Młodszy Programista PHP (k/m)

🏢 Summary: Junior Python Backend Developer role focused on developing and maintaining enterprise MFA and cybersecurity backend services using Python. The position involves working with authentication protocols, identity integrations, Linux and Windows server services, testing, CI/CD, and AI-assisted development tools in a backend-focused environment. The role offers long-term growth in secure software development, enterprise authentication, and Agentic Engineering. 🗂️ Requirements: Minimum 1 year commercial experience with Python or strong backend portfolio, Knowledge of Python programming fundamentals, Experience developing backend applications or services, Understanding of object-oriented programming, Experience with automated testing, Basic Linux server environment knowledge, Knowledge of TCP/IP, DNS, ports and client-server communication, Knowledge of Git and code repositories, Understanding of application security principles, Interest in cybersecurity and MFA systems, Practical use of AI programming tools, Basic understanding of Agentic Engineering, Ability to verify AI-generated code and solutions, Communicative English for technical documentation 📃 Skills: Python, Linux, Windows, LDAP, RADIUS, RadSec, ActiveDirectory, EntraID, x509, TLS, SIEM, CEF, Syslog, JSON, GitHub, CI/CD, Docker, InnoSetup, TCP/IP, DNS, Git, FIDO2, WebAuthn, C++, Go, Rust 🏢 Description: Dołącz do Rublon i pracuj z zespołem pasjonatów cyberbezpieczeństwa, który rozwija przyszłość uwierzytelniania użytkowników w środowiskach enterprise. Rublon MFA to platforma multi-factor authentication używana przez setki klientów na całym świecie do ochrony logowania pracowników do sieci, serwerów i aplikacji. Tworzymy backendowe technologie dla bezpiecznego uwierzytelniania, infrastruktury identity oraz integracji cybersecurity używanych w środowiskach firmowych. Szukamy osoby na stanowisko Młodszego Programisty Python, która ma już pierwsze doświadczenie w tworzeniu oprogramowania backendowego i chce rozwijać się długoterminowo w obszarze Python, backend engineering, secure software development, enterprise authentication, integracji systemowych oraz Agentic Engineering. Czym będziesz się zajmować W tej roli będziesz wspierać rozwój backendowych komponentów Rublon MFA, które rozszerzają działanie platformy na środowiska enterprise IT. Będziesz pracować przy oprogramowaniu związanym z uwierzytelnianiem, integracjami systemowymi, usługami działającymi w środowiskach Linux i Windows Server, eksportem logów bezpieczeństwa oraz automatyzacją procesów developerskich. Z czasem będziesz poznawać obszary takie jak LDAP, RADIUS, RadSec, Active Directory, Microsoft Entra ID, certyfikaty x.509, SIEM, Syslog, CEF, JSON, secure networking oraz observability. To jest rola backendowa. Nie wymagamy doświadczenia frontendowego. Ważną częścią tej roli będzie praca w nowoczesnym modelu AI-assisted development i Agentic Engineering. Oczekujemy, że potrafisz korzystać z narzędzi AI nie tylko do prostego generowania fragmentów kodu, ale także do analizy istniejącego kodu, planowania implementacji, tworzenia testów, przygotowywania dokumentacji, szukania potencjalnych błędów i wspierania refaktoryzacji — przy zachowaniu odpowiedzialności za jakość, bezpieczeństwo i poprawność końcowego rozwiązania. To stanowisko jest dobrą ścieżką rozwoju dla osoby, która zna podstawy Pythona i backend developmentu, chce pisać bezpieczny i utrzymywalny kod oraz uczyć się budowania oprogramowania cybersecurity używanego w realnych środowiskach klientów enterprise. Jak będziesz pracować Obszary technologiczne: - Python 3 - Linux services - Windows Server services - LDAP - RADIUS - RadSec - Active Directory - Microsoft Entra ID - certyfikaty x.509 - TLS - SIEM integrations - CEF - Syslog - JSON - GitHub CI/CD - Inno Setup - AI-assisted development tools - AI coding agents Rozwój: - dostęp do kursów online - możliwość dofinansowania certyfikacji Benefity: - prywatna opieka medyczna - karta MultiSport Twoje zadania Jako Młodszy Programista Python w Rublon będziesz: - realizować zadania programistyczne w Pythonie na podstawie opisanych wymagań - rozwijać i poprawiać backendowe komponenty Rublon MFA - analizować istniejący kod i poznawać architekturę usług związanych z enterprise authentication - naprawiać błędy zgłaszane przez QA, support i klientów - pisać i aktualizować testy jednostkowe, integracyjne oraz testy komponentów backendowych - pracować z usługami backendowymi działającymi w środowiskach Linux oraz Windows Server - wspierać rozwój konektorów i usług związanych z LDAP, RADIUS i RadSec - wykonywać zadania związane z integracjami Active Directory i Microsoft Entra ID - wspierać rozwój mechanizmów eksportu logów bezpieczeństwa do systemów SIEM - pracować z Syslog, CEF i JSON - poprawiać diagnostykę, monitoring i obserwowalność usług backendowych - uczestniczyć w code review - korzystać z GitHub, CI/CD i narzędzi developerskich - dokumentować zmiany i decyzje techniczne - poznawać secure coding, application security i bezpieczną komunikację sieciową - wykorzystywać AI coding agents do analizy kodu, generowania testów i dokumentacji - tworzyć instrukcje dla agentów AI i weryfikować ich wyniki - oceniać kod wygenerowany przez AI pod kątem bezpieczeństwa i jakości - współpracować z programistami, QA, product managerami i specjalistami cybersecurity Wymagania Szukamy osoby, która ma: - pierwsze komercyjne doświadczenie w Pythonie lub mocne projekty własne - dobrą znajomość podstaw programowania w Pythonie - doświadczenie w tworzeniu aplikacji lub usług backendowych - znajomość programowania obiektowego - doświadczenie z testowaniem kodu - podstawową znajomość Linuxa - wiedzę o TCP/IP, DNS, portach i komunikacji klient-serwer - znajomość Git - podstawowe rozumienie bezpieczeństwa aplikacji - zainteresowanie cyberbezpieczeństwem i MFA - praktyczną znajomość narzędzi AI wspierających programowanie - podstawową znajomość Agentic Engineering - umiejętność pracy z AI coding agents - umiejętność weryfikowania kodu generowanego przez AI - komunikatywny język angielski Mile widziane - Python 3 w projektach komercyjnych - Linux services lub Windows Server services - administracja Linux lub Windows Server - LDAP, RADIUS lub RadSec - Active Directory - Microsoft Entra ID - certyfikaty x.509 - TLS - Syslog, CEF, JSON - SIEM - secure networking - application security - GitHub Actions - Docker - Inno Setup - observability - C++ - Go - Rust - FIDO2/WebAuthn - AI coding agents - open source Dlaczego warto aplikować - rozwój jako backend developer Python - praca nad produktem cybersecurity używanym globalnie - rozwój w obszarze MFA, identity systems i enterprise authentication - nauka budowania niezawodnych usług backendowych - praca z LDAP, RADIUS, RadSec, Active Directory, x.509, TLS i SIEM - środowisko nastawione na testy, code review i automatyzację - wykorzystanie AI coding agents w codziennej pracy - możliwość rozwoju od junior developera do samodzielnego backend developera Etapy rekrutacji - rozmowa online z rekruterem - test online około 2 godziny - rozmowa techniczna - rozmowa finalna z CEO

🏢 Summary: Junior Mobile Developer role focused on developing and maintaining the Rublon Authenticator app for Android and iOS using React Native and native mobile technologies. The position involves secure mobile development, MFA and passwordless authentication features, AI-assisted development, testing, and collaboration with cybersecurity and backend teams. Candidates will grow in React Native, iOS, Android, and enterprise authentication technologies within a cybersecurity product environment. 🗂️ Requirements: Minimum 1 year of commercial mobile development experience or strong personal mobile projects, Basic knowledge of React Native, Basic knowledge of TypeScript or JavaScript, Experience developing Android or iOS applications, Knowledge of Swift or Kotlin, Willingness to develop skills in both Android and iOS, Understanding of mobile application lifecycle, Basic experience with REST API integration, Experience testing mobile applications, Knowledge of Git, Understanding of mobile application security principles, Interest in cybersecurity, MFA, passwordless authentication, or identity security, Practical use of AI development tools, Understanding of Agentic Engineering concepts, Ability to create effective AI prompts and verify AI-generated output, Awareness of AI limitations and ability to validate generated code, Understanding of secure AI usage with code and documentation, Problem-solving and technical analysis skills, Communicative English for technical documentation 📃 Skills: ReactNative, TypeScript, JavaScript, Swift, Kotlin, iOS, Android, Xcode, AndroidStudio, Objective-C, Java, Git, GitHub, CI/CD, REST, MFA, TOTP, FIDO2, WebAuthn, Passkeys, Biometrics, Keychain, Keystore, SwiftUI, UIKit, Jetpack, Compose, Fastlane, GitHubActions 🏢 Description: Dołącz do Rublon i pracuj z zespołem pasjonatów cyberbezpieczeństwa, który rozwija przyszłość uwierzytelniania użytkowników w środowiskach enterprise. Rublon MFA to platforma multi-factor authentication używana przez setki klientów na całym świecie do ochrony logowania pracowników do sieci, serwerów i aplikacji. Tworzymy technologie dla bezpiecznego uwierzytelniania, identity infrastructure oraz integracji cybersecurity używanych w środowiskach firmowych. Szukamy osoby na stanowisko Młodszego Programisty Mobile, która ma już pierwsze doświadczenie w tworzeniu aplikacji mobilnych i chce rozwijać się długoterminowo w obszarze React Native, iOS, Android, secure mobile development, enterprise authentication oraz Agentic Engineering. Czym będziesz się zajmować W tej roli będziesz wspierać rozwój aplikacji Rublon Authenticator na Androida i iOS. Rublon Authenticator to aplikacja mobilna, która umożliwia użytkownikom wykonywanie uwierzytelniania wieloskładnikowego podczas logowania do kont chronionych przez Rublon MFA, między innymi przy lokalnym logowaniu do Windows, dostępie przez RDP, VPN oraz innych integracjach enterprise. Będziesz pracować przede wszystkim przy aplikacji mobilnej tworzonej w React Native, ale ważna będzie również gotowość do pracy z natywnymi elementami Androida i iOS. Po stronie iOS będziesz rozwijać znajomość Swift i ekosystemu Xcode, a po stronie Androida — Kotlin i Android Studio. Z czasem będziesz poznawać obszary takie jak TOTP, Passkeys, FIDO2/WebAuthn, bezpieczne przechowywanie danych, biometria, Keychain, Android Keystore, secure mobile UX oraz integracja aplikacji mobilnej z backendem cybersecurity. Ważną częścią tej roli będzie praca w nowoczesnym modelu AI-assisted development i Agentic Engineering. Oczekujemy, że potrafisz korzystać z narzędzi AI nie tylko do prostego generowania fragmentów kodu, ale także do analizy istniejącego kodu, planowania implementacji, tworzenia testów, wyszukiwania potencjalnych błędów, refaktoryzacji i przygotowywania dokumentacji — przy zachowaniu odpowiedzialności za jakość, bezpieczeństwo i poprawność końcowego rozwiązania. To stanowisko jest dobrą ścieżką rozwoju dla osoby, która zna podstawy tworzenia aplikacji mobilnych, chce pracować nad produktem cybersecurity używanym przez realnych użytkowników enterprise i chce rozwijać się w kierunku samodzielnego mobile developera. Jak będziesz pracować Lokalizacja: biuro w Krakowie lub w Zielonej Górze Obszary technologiczne: - React Native - TypeScript - JavaScript - iOS - Swift - Xcode - Android - Kotlin - Android Studio - Objective-C - Java - GitHub - CI/CD - MFA - TOTP - Push Authentication - Passkeys - FIDO2/WebAuthn - biometria - Keychain - Android Keystore - AI-assisted development tools - AI coding agents Rozwój: - dostęp do kursów online - możliwość dofinansowania certyfikacji Benefity: - prywatna opieka medyczna - karta MultiSport Twoje zadania - realizować zadania programistyczne w React Native na podstawie opisanych wymagań - rozwijać i poprawiać fragmenty aplikacji Rublon Authenticator na Androida i iOS - analizować istniejący kod i poznawać architekturę aplikacji mobilnej - implementować mniejsze funkcjonalności zgodnie z wzorcami projektowymi - naprawiać błędy zgłaszane przez QA, support i użytkowników - pisać i aktualizować testy - wspierać testowanie aplikacji na różnych wersjach Androida i iOS - wykonywać proste zmiany w natywnych częściach aplikacji - pracować z powiadomieniami push, deep links, bezpiecznym przechowywaniem danych i biometrią - wspierać rozwój funkcji MFA, TOTP, push authentication oraz passwordless authentication - uczestniczyć w code review - korzystać z GitHub, CI/CD, emulatorów i narzędzi developerskich - dokumentować wykonane zmiany i decyzje techniczne - poznawać secure coding i mobile application security - wykorzystywać AI coding agents do analizy kodu, testów i dokumentacji - współpracować z mobile developerami, backend developerami, QA i specjalistami cybersecurity Wymagania - pierwsze komercyjne doświadczenie w tworzeniu aplikacji mobilnych lub mocne projekty własne - podstawowa znajomość React Native - podstawowa znajomość TypeScript lub JavaScript - doświadczenie w tworzeniu aplikacji Android lub iOS - znajomość Swift lub Kotlin - gotowość do rozwoju w Android i iOS - znajomość cyklu życia aplikacji mobilnej - znajomość REST API - doświadczenie z testowaniem aplikacji mobilnych - znajomość Git - rozumienie mobile application security - zainteresowanie cybersecurity i MFA - praktyczna znajomość narzędzi AI wspierających programowanie - umiejętność pracy z AI coding agents - znajomość języka angielskiego pozwalająca czytać dokumentację techniczną Mile widziane - React Native w projektach komercyjnych lub własnych - SwiftUI lub UIKit - Jetpack Compose - Objective-C lub Java - publikowanie aplikacji w App Store lub Google Play - testy jednostkowe, integracyjne lub end-to-end - Fastlane lub GitHub Actions - praca z push notifications i deep links - Keychain lub Android Keystore - biometria - Passkeys - FIDO2/WebAuthn - OWASP Mobile Top 10 - open source Dlaczego warto aplikować - rozwój jako mobile developer Android i iOS - praca nad aplikacją enterprise MFA - rozwój w cybersecurity i identity security - nauka secure mobile development - wykorzystanie AI coding agents w codziennej pracy - możliwość rozwoju od junior developera do samodzielnego mobile developera Etapy rekrutacji - rozmowa online z rekruterem - test online około 2 godzin - rozmowa techniczna - rozmowa finalna z CEO

🏢 Summary: Oferta dla Młodszego Testera Oprogramowania obejmuje manualne testowanie platformy Rublon MFA i technologii uwierzytelniania enterprise w środowisku cybersecurity. Rola koncentruje się na testach aplikacji webowych, mobilnych, API i integracji MFA/SSO oraz wykorzystaniu narzędzi AI do usprawniania procesów QA. Stanowisko zapewnia rozwój w obszarze quality assurance, identity security i technologii enterprise authentication. 🗂️ Requirements: Pierwsze doświadczenie w testowaniu oprogramowania, Podstawowa znajomość testów manualnych i QA, Umiejętność tworzenia przypadków testowych i zgłoszeń błędów, Znajomość testów funkcjonalnych, regresyjnych, smoke i eksploracyjnych, Umiejętność odtwarzania i opisywania błędów, Podstawowa wiedza o aplikacjach webowych i komunikacji klient-serwer, Podstawowe rozumienie REST API, Znajomość systemu Windows, Gotowość do pracy z macOS, Linux, Android i iOS, Podstawowa wiedza o sieciach TCP/IP, DNS, VPN, Zainteresowanie cyberbezpieczeństwem i MFA/SSO, Podstawowe rozumienie bezpieczeństwa logowania i MFA, Znajomość narzędzi AI wspierających QA, Umiejętność tworzenia promptów i weryfikacji wyników AI, Znajomość zasad bezpiecznego korzystania z AI, Logiczne analizowanie problemów technicznych, Komunikatywna znajomość języka angielskiego 📃 Skills: QA, MFA, SSO, REST, API, Windows, macOS, Linux, Android, iOS, TCP/IP, DNS, VPN, RDP, LDAP, RADIUS, SAML, OAuth, FIDO2, WebAuthn, Passkeys, GitHub, Git, Postman, Insomnia, SQL, HTML, CSS, JavaScript, Python, Bash, PowerShell, OWASP, AI 🏢 Description: Dołącz do Rublon i pracuj z zespołem pasjonatów cyberbezpieczeństwa, który rozwija przyszłość uwierzytelniania użytkowników w środowiskach enterprise. Rublon MFA to platforma multi-factor authentication używana przez setki klientów na całym świecie do ochrony logowania pracowników do sieci, serwerów i aplikacji. Tworzymy technologie dla bezpiecznego uwierzytelniania, identity infrastructure oraz integracji cybersecurity używanych w środowiskach firmowych. Szukamy osoby na stanowisko Młodszego Testera Oprogramowania, która ma już pierwsze doświadczenie w testowaniu aplikacji i chce rozwijać się w obszarze testów manualnych, quality assurance, cybersecurity, enterprise authentication oraz wykorzystania AI do usprawniania codziennej pracy testerskiej. Czym będziesz się zajmować W tej roli będziesz realizować przede wszystkim testy manualne rozwiązań Rublon MFA oraz powiązanych technologii uwierzytelniania użytkowników. Będziesz testować aplikacje webowe, aplikacje mobilne, komponenty backendowe, integracje z systemami enterprise oraz scenariusze logowania chronione przez MFA. Z czasem będziesz poznawać obszary takie jak MFA, SSO, Active Directory, Microsoft Entra ID, LDAP, RADIUS, VPN, RDP, Windows Logon, SAML, OpenID Connect, FIDO2/WebAuthn i Passkeys. Twoim głównym zadaniem będzie sprawdzanie, czy nasze rozwiązania działają poprawnie, są stabilne, zrozumiałe dla użytkowników i gotowe do użycia w środowiskach firmowych. Będziesz pracować blisko z developerami, product managerami, supportem i specjalistami cybersecurity, aby wykrywać błędy, opisywać je w sposób użyteczny dla zespołu oraz weryfikować poprawki. Ważną częścią tej roli będzie również wykorzystywanie narzędzi AI do usprawniania pracy QA. Jak będziesz pracować Lokalizacja: biuro w Krakowie lub w Zielonej Górze Obszary technologiczne: - testy manualne - QA - testy funkcjonalne - testy regresyjne - testy eksploracyjne - web applications - API - aplikacje mobilne - MFA - SSO - Active Directory - Microsoft Entra ID - LDAP - RADIUS - VPN - RDP - Windows Logon - SAML - OpenID Connect - FIDO2/WebAuthn - Passkeys - Windows - macOS - Linux - Android - iOS - GitHub - narzędzia AI wspierające QA Rozwój: - dostęp do kursów online - możliwość dofinansowania certyfikacji Benefity: - prywatna opieka medyczna - karta MultiSport Twoje zadania - realizowanie testów manualnych produktów, usług i integracji Rublon MFA - wykonywanie testów funkcjonalnych, regresyjnych, smoke testów, testów eksploracyjnych i testów akceptacyjnych - przygotowywanie i aktualizacja przypadków testowych, scenariuszy testowych oraz checklist QA - testowanie scenariuszy logowania chronionych przez MFA - weryfikacja działania aplikacji webowych, mobilnych, backendowych oraz integracji enterprise - sprawdzanie mechanizmów uwierzytelniania, autoryzacji, sesji i MFA - wspieranie testowania integracji z Active Directory, Entra ID, LDAP, RADIUS, VPN, RDP i Windows Logon - przygotowywanie zgłoszeń błędów i wykonywanie retestów - analiza logów i zachowania systemu podczas testów - dokumentowanie wyników testów i ryzyk - współpraca z developerami, product managerami, supportem i specjalistami cybersecurity - wykorzystywanie AI do tworzenia przypadków testowych, checklist i dokumentacji - automatyzowanie powtarzalnych elementów QA przy użyciu AI lub prostych skryptów - dbanie o dokładność testów i bezpieczeństwo informacji Wymagania - pierwsze doświadczenie w testowaniu oprogramowania - podstawowa znajomość testów manualnych i QA - umiejętność tworzenia przypadków testowych i zgłoszeń błędów - znajomość testów funkcjonalnych, regresyjnych, smoke i eksploracyjnych - podstawowa wiedza o aplikacjach webowych i komunikacji klient-serwer - podstawowe rozumienie REST API - znajomość systemu Windows - podstawowa wiedza o sieciach TCP/IP, DNS i VPN - zainteresowanie cyberbezpieczeństwem i MFA/SSO - znajomość narzędzi AI wspierających QA - komunikatywna znajomość języka angielskiego Mile widziane - testy aplikacji webowych i mobilnych - Postman lub Insomnia - SQL - HTML - CSS - JavaScript - Python - Bash - PowerShell - GitHub i Git - analiza logów - podstawy OWASP Top 10 - podstawy testów bezpieczeństwa - certyfikaty ISTQB Foundation Level lub CompTIA Security+ Dlaczego warto aplikować - rozwój w obszarze cybersecurity i identity security - zdobywanie doświadczenia w testowaniu aplikacji webowych, mobilnych i API - nauka technologii MFA, SSO, LDAP, RADIUS, SAML, OpenID Connect i FIDO2/WebAuthn - współpraca z zespołem developerów i specjalistów cybersecurity - rozwój umiejętności wykorzystania AI w QA Etapy rekrutacji - rozmowa online z rekruterem - test online - rozmowa techniczna - rozmowa finalna z CEO

🏢 Summary: Backend-focused full-stack role for a Regular or Senior PHP Laravel Developer building scalable, secure cloud-based MFA and SSO authentication services. The position involves developing secure APIs, identity integrations, and enterprise cybersecurity connections within a modern cloud architecture. The role combines backend development in Laravel with selected Angular frontend work and strong emphasis on security, CI/CD, and AI-assisted development. 🗂️ Requirements: Minimum 3 years commercial experience with PHP and Laravel, Experience building secure APIs and backend services, Understanding of cloud software architecture, Experience with scalable cloud-based applications (preferably AWS), Knowledge of secure software development and application security principles, Understanding of authentication, identity, and access management concepts, Knowledge of SAML, OpenID Connect, LDAP, SSO, MFA, Experience with Angular frontend development, Working knowledge of DevOps and CI/CD, Ability to use AI coding tools securely in daily development 📃 Skills: PHP, Laravel, Angular, AWS, Docker, GitHub, SAML, OpenIDConnect, LDAP, SSO, MFA, CI/CD, EntraID, MicrosoftSentinel, GoogleSecOps, SIEM, IGA, IAM, FIDO2, OAuth, TypeScript, Python, C++, Rust, Go 🏢 Description: Join Rublon and work with a team of cybersecurity enthusiasts building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers around the world to protect employee logins to networks, servers, and applications. We build cloud-based authentication services, APIs, and cybersecurity integrations for enterprise environments. We are looking for a Regular or Senior PHP Laravel Developer who wants to work long-term on scalable, secure, cloud-based software in the cybersecurity space. What You’ll Work On You will help develop the core components of Rublon MFA and related enterprise authentication services. Your work will focus on building and improving cloud-based cybersecurity and authentication technology, including: Scalable backend services for MFA, SSO, and enterprise user authentication Secure APIs used by Rublon products, customers, and integrations SAML, OpenID Connect, and identity-related services Integrations with enterprise identity and cloud security platforms such as Microsoft Entra ID Integrations with cybersecurity tools and services such as Microsoft Sentinel, Google SecOps, SIEM, IGA, and IAM systems Frontend components in Angular where needed, with the main focus remaining on backend development CI/CD pipelines and automation that support secure, maintainable software delivery AI-assisted development workflows that improve productivity, code quality, security reviews, and engineering effectiveness This is a backend-focused full-stack role . You will work primarily on backend systems and APIs, with frontend development in Angular where needed. How You’ll Work Location: 100% remote or from our office in Kraków or Zielona Góra, Poland Technology stack: PHP 8.3, Laravel 12, Angular, Docker, GitHub, AWS, SAML, OpenID Connect, LDAP, Microsoft Entra ID, cloud IAM, CI/CD, AI-assisted development tools Self-development: access to online training courses and sponsored certifications Benefits: private medical care and MultiSport card What You’ll Do As a PHP Laravel Developer at Rublon, you will: Develop and maintain core cloud platform components of Rublon MFA Build secure, scalable APIs for enterprise authentication services Develop and extend SSO, MFA, SAML, and OpenID Connect services Integrate Rublon MFA with enterprise identity platforms such as Microsoft Entra ID Build integrations with cybersecurity tools and services such as Microsoft Sentinel, Google SecOps, SIEM, IGA, and IAM systems Work with modern application architecture patterns for scalable cloud systems Contribute to frontend development using Angular where needed Design secure software with attention to authentication, authorization, session handling, data protection, and application security Use AI tools securely and effectively to accelerate development, improve code reviews, detect potential issues, and increase the quality of your work Build or use AI agents and AI-assisted workflows that enhance your engineering performance and software quality Implement automated tests, integration tests, and end-to-end tests Build and maintain CI/CD pipelines using GitHub and related DevOps tools Participate in architecture discussions, code reviews, technical planning, and secure coding practices Work closely with product managers, engineers, and cybersecurity specialists to deliver enterprise-grade authentication solutions Skills You Have At least 3 years of commercial experience developing PHP software with Laravel Practical experience building secure APIs and backend services Good understanding of cloud software architecture Experience building scalable cloud-based applications, preferably on AWS Knowledge of secure software development and application security principles Understanding of cybersecurity concepts, especially related to authentication, identity, and access management Knowledge of authentication and identity protocols such as SAML, OpenID Connect, LDAP, SSO, and MFA Experience with frontend development, preferably Angular Working knowledge of DevOps and CI/CD concepts Ability to use AI coding tools securely and effectively as part of everyday software development Ability to use or build AI agents, AI-assisted workflows, or automation that improves development speed, code quality, code review, testing, and security analysis Interest in cybersecurity, secure software design, and enterprise authentication systems Ability to analyze technical problems independently and propose robust engineering solutions Nice To Have Experience with any of the following will be a strong advantage: Another backend, systems, or frontend programming language, especially TypeScript, Python, C++, Rust, or Go System administration, security engineering, or penetration testing background Angular and modern frontend application development AWS and cloud-native application architecture Modern application architecture for scalable SaaS platforms DevOps, GitHub Actions, and CI/CD automation Single Sign-On systems Multi-Factor Authentication systems Identity and Access Management concepts SAML, OpenID Connect, and OAuth-related technologies FIDO2 authentication standard Microsoft Entra ID Microsoft Graph API OpenID CAEP Zero Trust architecture SIEM systems and security integrations Microsoft Sentinel or Google SecOps Software application security Secure API design and secure cloud architecture AWS certification Formal education in Information Security, Cybersecurity, Computer Science, or a related field, or equivalent demonstrated professional experience Why Apply This role may be a strong fit if: You want to build cloud-based authentication and cybersecurity services used by enterprises You are interested in MFA, SSO, identity systems, secure APIs, and enterprise integrations You enjoy developing scalable backend systems with real-world security impact You want to work with technologies such as Laravel, Angular, AWS, SAML, OIDC, Entra ID, FIDO2, SIEM platforms, and Zero Trust concepts You are comfortable working across backend and frontend code, with a clear preference for backend engineering You want to use AI tools and AI agents as part of a modern, secure, high-performance software development workflow You value secure coding practices, automation, clean architecture, observability, and long-term maintainability You want to grow professionally in cybersecurity, cloud development, and enterprise authentication technologies Steps After You Apply You’ll be invited to an online meeting with our recruiter Afterwards, we’ll ask you to complete a small assignment, which will then be discussed with one of our technical leads If everything goes well, we will make you an offer and invite you to a final interview

🏢 Summary: Backend-focused full-stack role developing secure, scalable cloud-based MFA and SSO services using PHP and Laravel in the cybersecurity domain. The position involves building enterprise authentication APIs, identity integrations, and cloud-native systems with strong emphasis on security and automation. Work includes AWS-based architecture, CI/CD, and selective Angular frontend contributions. 🗂️ Requirements: Minimum 3 years commercial experience with PHP and Laravel, Experience building secure APIs and backend services, Understanding of cloud software architecture, Experience developing scalable cloud-based applications (preferably AWS), Knowledge of secure software development and application security principles, Understanding of authentication, identity, and access management concepts, Knowledge of SAML, OpenID Connect, LDAP, SSO, MFA, Experience with Angular frontend development, Working knowledge of DevOps and CI/CD, Ability to use AI coding tools securely in daily development 📃 Skills: PHP, Laravel, Angular, AWS, Docker, GitHub, SAML, OpenIDConnect, LDAP, CI/CD, EntraID, MicrosoftSentinel, GoogleSecOps, SIEM, IGA, IAM, FIDO2, OAuth, TypeScript, Python, C++, Rust, Go 🏢 Description: Join Rublon and work with a team of cybersecurity enthusiasts building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers around the world to protect employee logins to networks, servers, and applications. We build cloud-based authentication services, APIs, and cybersecurity integrations for enterprise environments. We are looking for a Regular or Senior PHP Laravel Developer who wants to work long-term on scalable, secure, cloud-based software in the cybersecurity space. What You’ll Work On You will help develop the core components of Rublon MFA and related enterprise authentication services. Your work will focus on building and improving cloud-based cybersecurity and authentication technology, including: Scalable backend services for MFA, SSO, and enterprise user authentication Secure APIs used by Rublon products, customers, and integrations SAML, OpenID Connect, and identity-related services Integrations with enterprise identity and cloud security platforms such as Microsoft Entra ID Integrations with cybersecurity tools and services such as Microsoft Sentinel, Google SecOps, SIEM, IGA, and IAM systems Frontend components in Angular where needed, with the main focus remaining on backend development CI/CD pipelines and automation that support secure, maintainable software delivery AI-assisted development workflows that improve productivity, code quality, security reviews, and engineering effectiveness This is a backend-focused full-stack role . You will work primarily on backend systems and APIs, with frontend development in Angular where needed. How You’ll Work Location: 100% remote or from our office in Kraków or Zielona Góra, Poland Technology stack: PHP 8.3, Laravel 12, Angular, Docker, GitHub, AWS, SAML, OpenID Connect, LDAP, Microsoft Entra ID, cloud IAM, CI/CD, AI-assisted development tools Self-development: access to online training courses and sponsored certifications Benefits: private medical care and MultiSport card What You’ll Do As a PHP Laravel Developer at Rublon, you will: Develop and maintain core cloud platform components of Rublon MFA Build secure, scalable APIs for enterprise authentication services Develop and extend SSO, MFA, SAML, and OpenID Connect services Integrate Rublon MFA with enterprise identity platforms such as Microsoft Entra ID Build integrations with cybersecurity tools and services such as Microsoft Sentinel, Google SecOps, SIEM, IGA, and IAM systems Work with modern application architecture patterns for scalable cloud systems Contribute to frontend development using Angular where needed Design secure software with attention to authentication, authorization, session handling, data protection, and application security Use AI tools securely and effectively to accelerate development, improve code reviews, detect potential issues, and increase the quality of your work Build or use AI agents and AI-assisted workflows that enhance your engineering performance and software quality Implement automated tests, integration tests, and end-to-end tests Build and maintain CI/CD pipelines using GitHub and related DevOps tools Participate in architecture discussions, code reviews, technical planning, and secure coding practices Work closely with product managers, engineers, and cybersecurity specialists to deliver enterprise-grade authentication solutions Skills You Have At least 3 years of commercial experience developing PHP software with Laravel Practical experience building secure APIs and backend services Good understanding of cloud software architecture Experience building scalable cloud-based applications, preferably on AWS Knowledge of secure software development and application security principles Understanding of cybersecurity concepts, especially related to authentication, identity, and access management Knowledge of authentication and identity protocols such as SAML, OpenID Connect, LDAP, SSO, and MFA Experience with frontend development, preferably Angular Working knowledge of DevOps and CI/CD concepts Ability to use AI coding tools securely and effectively as part of everyday software development Ability to use or build AI agents, AI-assisted workflows, or automation that improves development speed, code quality, code review, testing, and security analysis Interest in cybersecurity, secure software design, and enterprise authentication systems Ability to analyze technical problems independently and propose robust engineering solutions Nice To Have Experience with any of the following will be a strong advantage: Another backend, systems, or frontend programming language, especially TypeScript, Python, C++, Rust, or Go System administration, security engineering, or penetration testing background Angular and modern frontend application development AWS and cloud-native application architecture Modern application architecture for scalable SaaS platforms DevOps, GitHub Actions, and CI/CD automation Single Sign-On systems Multi-Factor Authentication systems Identity and Access Management concepts SAML, OpenID Connect, and OAuth-related technologies FIDO2 authentication standard Microsoft Entra ID Microsoft Graph API OpenID CAEP Zero Trust architecture SIEM systems and security integrations Microsoft Sentinel or Google SecOps Software application security Secure API design and secure cloud architecture AWS certification Formal education in Information Security, Cybersecurity, Computer Science, or a related field, or equivalent demonstrated professional experience Why Apply This role may be a strong fit if: You want to build cloud-based authentication and cybersecurity services used by enterprises You are interested in MFA, SSO, identity systems, secure APIs, and enterprise integrations You enjoy developing scalable backend systems with real-world security impact You want to work with technologies such as Laravel, Angular, AWS, SAML, OIDC, Entra ID, FIDO2, SIEM platforms, and Zero Trust concepts You are comfortable working across backend and frontend code, with a clear preference for backend engineering You want to use AI tools and AI agents as part of a modern, secure, high-performance software development workflow You value secure coding practices, automation, clean architecture, observability, and long-term maintainability You want to grow professionally in cybersecurity, cloud development, and enterprise authentication technologies Steps After You Apply You’ll be invited to an online meeting with our recruiter Afterwards, we’ll ask you to complete a small assignment, which will then be discussed with one of our technical leads If everything goes well, we will make you an offer and invite you to a final interview

🏢 Summary: Remote Python Software Engineer role focused on developing and enhancing a multi-factor authentication proxy with advanced LDAP and RADIUS capabilities. The position involves building scalable, reliable, and observable enterprise authentication services for Linux and Windows environments. You will contribute to secure backend development, performance optimization, and cross-platform service delivery. 🗂️ Requirements: Minimum 3 years commercial experience in Python development, Knowledge of LDAP and RADIUS authentication protocols, Experience developing server-side software, Ability to develop cross-platform services for Linux and Windows, Understanding of secure software design principles, Experience with automated testing and CI/CD pipelines 📃 Skills: Python, LDAP, RADIUS, Linux, Windows, InnoSetup, CI/CD, ActiveDirectory, C++, Rust, Go 🏢 Description: Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers and applications. We are looking for a long-term employee who will support us in the following area: Development of Rublon Authentication Proxy Extend and improve the Rublon Authentication Proxy with advanced LDAP and RADIUS capabilities. Your work will focus on scalability, reliability, and observability, enabling Rublon to support a growing number of enterprise and cloud use cases while strengthening customer IT environments. How You’ll Work Location: 100% remote or office in Kraków or Zielona Góra, Poland Technology Stack: Python 3, Linux (services), Windows Server (services), LDAP, RADIUS, Inno Setup Self development: access to online training courses, sponsored certifications Benefits for employees: access to private medical care and MultiSport card What You’ll Do As a Python Software Engineer on the Rublon team you will: Extend the Rublon Authentication Proxy with new LDAP and RADIUS features Improve performance, scalability, and reliability of enterprise authentication services Implement observability enhancements (logging, monitoring, metrics) to ensure transparency and high availability Develop cross-platform services for Linux and Windows environments Collaborate with team members on architecture, design, and implementation decisions Write secure, efficient, and maintainable Python code Contribute to automated testing, integration pipelines, and code reviews Assist in deploying and maintaining production-ready authentication services Skills You Have At least 3 years of commercial experience in developing Python software Knowledge about authentication protocols (LDAP, RADIUS) Ability to come up with creative concepts using modern technologies together in unexpected ways Interest in information security and secure software design Nice To Haves Experience in developing server software Knowledge of C++ or Rust/Go programming language(s) Knowledge of software application security Knowledge about Active Directory security Experience with CI/CD environments Formal education and advanced degree in Information Security, Cybersecurity, Computer Science or similar and/or commensurate demonstrated work experience in the same Why Apply You want to help build the future of enterprise-grade authentication services You enjoy developing secure, scalable, and reliable systems that make a real-world impact You thrive in a collaborative team environment where innovation and secure coding practices matter You are eager to grow professionally in cybersecurity and backend software development Steps After You Apply You’ll be invited to an online meeting with our recruiter Afterwards, we’ll ask you to do a small assignment, which will then be discussed with one of our technical leads If everything goes well, we will make you an offer and invite you to a final interview

🏢 Summary: Backend Python engineering role focused on building and extending enterprise MFA and authentication services in the cybersecurity domain. The position involves developing connectors for LDAP, RADIUS, and identity platforms, exporting security logs to SIEM systems, and improving scalability, reliability, and observability of backend services. This is a pure backend role working with secure networking, identity infrastructure, and CI/CD automation. 🗂️ Requirements: Minimum 3 years commercial experience in backend development with Python, Practical knowledge of secure backend development, Understanding of authentication, identity, or secure networking concepts, Experience or strong familiarity with LDAP and/or RADIUS, Ability to design reliable backend services for enterprise environments, Knowledge of Linux services and backend deployment, Experience with automated testing and code review practices, Working knowledge of CI/CD concepts, preferably GitHub-based, Ability to independently analyze technical problems and propose solutions 📃 Skills: Python, LDAP, RADIUS, RadSec, ActiveDirectory, EntraID, Linux, WindowsServer, SIEM, CEF, Syslog, JSON, x509, TLS, GitHub, CICD, Networking, Security 🏢 Description: Join Rublon and work with a team of cybersecurity enthusiasts building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers around the world to protect employee logins to networks, servers, and applications. We build backend technology for secure authentication, identity infrastructure, and enterprise cybersecurity integrations. We are looking for a Regular or Senior Python Software Engineer who wants to work long-term on backend systems in the cybersecurity space. What You’ll Work On You will help develop backend technology that extends Rublon MFA into enterprise IT environments. Your work will focus on building and improving cybersecurity connectors and authentication services, including: Connectors that enable MFA for authentication protocols such as LDAP and RADIUS Components that integrate Rublon MFA with enterprise identity infrastructure, including Active Directory and enterprise cloud identity solutions such as Microsoft Entra ID Services that export authentication and security logs from Rublon MFA to external systems, including SIEM platforms Backend tools that improve scalability, reliability, observability, and secure operation of Rublon services CI/CD pipelines and automation that support secure, maintainable software delivery This is a pure backend engineering role . No frontend development experience is required. How You’ll Work Location: 100% remote or from our office in Kraków or Zielona Góra, Poland Technology stack: Python 3, Linux services, Windows Server services, LDAP, RADIUS, RadSec, Active Directory, Microsoft Entra ID, x.509 certificates, SIEM integrations, GitHub CI/CD, Inno Setup Self-development: access to online training courses and sponsored certifications Benefits: private medical care and MultiSport card What You’ll Do As a Python Software Engineer at Rublon, you will: Develop and extend backend cybersecurity services written in Python Build and maintain authentication-related connectors for LDAP, RADIUS, RadSec, and related protocols Work with enterprise identity and access technologies such as Active Directory and LDAP Design integrations that allow Rublon MFA logs to be exported to SIEM systems Work with security log formats such as CEF, Syslog, and JSON Improve the performance, scalability, and reliability of backend authentication services Implement observability improvements, including structured logging, monitoring, metrics, and diagnostics Develop services for Linux and Windows Server environments Design secure, maintainable software with attention to authentication, authorization, networking, and operational security Build and maintain CI/CD pipelines using GitHub Collaborate with engineers on architecture, design, implementation, testing, and code reviews Skills You Have At least 3 years of commercial experience developing backend software in Python Practical understanding of secure backend development Knowledge of authentication, identity, or secure networking concepts Experience or strong familiarity with LDAP and/or RADIUS Ability to design reliable backend services that operate in enterprise environments Understanding of Linux services and backend application deployment Experience with automated testing, code review, and maintainable software engineering practices Working knowledge of CI/CD concepts, preferably with GitHub-based pipelines Interest in cybersecurity, secure software design, and enterprise authentication systems Ability to analyze technical problems independently and propose robust engineering solutions Nice To Have Experience with any of the following will be a strong advantage: Another backend programming language, especially C++, Rust, or Go Active Directory Enterprise cloud identity solutions such as Microsoft Entra ID LDAP security and directory integrations RADIUS and RadSec x.509 certificates, TLS, and certificate-based trust models SIEM systems and security log export SIEM log formats such as CEF, Syslog, and JSON Development of server-side software for Linux and Windows Server Software application security Secure networking concepts GitHub Actions or similar CI/CD systems Formal education in Information Security, Cybersecurity, Computer Science, or a related field, or equivalent demonstrated professional experience Why Apply This role may be a strong fit if: You want to build backend technology in the cybersecurity space You are interested in enterprise authentication, MFA, identity systems, and secure networking You enjoy developing reliable services that run in real customer environments You want to work on integrations with protocols and systems such as LDAP, RADIUS, Active Directory, RadSec, x.509, and SIEM platforms You prefer backend engineering and do not want a frontend-focused role You value secure coding practices, automation, observability, and long-term maintainability You want to grow professionally in cybersecurity and backend software engineering Steps After You Apply You’ll be invited to an online meeting with our recruiter Afterwards, we’ll ask you to complete a small assignment, which will then be discussed with one of our technical leads If everything goes well, we will make you an offer and invite you to a final interview

🏢 Summary: Backend engineering role focused on developing and extending Python-based cybersecurity services for enterprise MFA integrations. The position involves building authentication connectors (LDAP, RADIUS, RadSec), integrating with identity systems like Active Directory and Microsoft Entra ID, and exporting security logs to SIEM platforms. This is a pure backend role with emphasis on secure design, scalability, observability, and CI/CD automation. 🗂️ Requirements: Minimum 3 years commercial experience in Python backend development, Practical knowledge of secure backend development, Understanding of authentication, identity, or secure networking concepts, Experience or strong familiarity with LDAP and/or RADIUS, Ability to design reliable backend services for enterprise environments, Knowledge of Linux services and backend deployment, Experience with automated testing and code review practices, Working knowledge of CI/CD concepts, preferably GitHub-based, Ability to independently analyze technical problems and propose solutions 📃 Skills: Python, LDAP, RADIUS, RadSec, ActiveDirectory, MicrosoftEntraID, Linux, WindowsServer, SIEM, CEF, Syslog, JSON, x.509, TLS, GitHub, CI/CD, InnoSetup 🏢 Description: Join Rublon and work with a team of cybersecurity enthusiasts building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers around the world to protect employee logins to networks, servers, and applications. We build backend technology for secure authentication, identity infrastructure, and enterprise cybersecurity integrations. We are looking for a Regular or Senior Python Software Engineer who wants to work long-term on backend systems in the cybersecurity space. What You’ll Work On You will help develop backend technology that extends Rublon MFA into enterprise IT environments. Your work will focus on building and improving cybersecurity connectors and authentication services, including: Connectors that enable MFA for authentication protocols such as LDAP and RADIUS Components that integrate Rublon MFA with enterprise identity infrastructure, including Active Directory and enterprise cloud identity solutions such as Microsoft Entra ID Services that export authentication and security logs from Rublon MFA to external systems, including SIEM platforms Backend tools that improve scalability, reliability, observability, and secure operation of Rublon services CI/CD pipelines and automation that support secure, maintainable software delivery This is a pure backend engineering role . No frontend development experience is required. How You’ll Work Location: 100% remote or from our office in Kraków or Zielona Góra, Poland Technology stack: Python 3, Linux services, Windows Server services, LDAP, RADIUS, RadSec, Active Directory, Microsoft Entra ID, x.509 certificates, SIEM integrations, GitHub CI/CD, Inno Setup Self-development: access to online training courses and sponsored certifications Benefits: private medical care and MultiSport card What You’ll Do As a Python Software Engineer at Rublon, you will: Develop and extend backend cybersecurity services written in Python Build and maintain authentication-related connectors for LDAP, RADIUS, RadSec, and related protocols Work with enterprise identity and access technologies such as Active Directory and LDAP Design integrations that allow Rublon MFA logs to be exported to SIEM systems Work with security log formats such as CEF, Syslog, and JSON Improve the performance, scalability, and reliability of backend authentication services Implement observability improvements, including structured logging, monitoring, metrics, and diagnostics Develop services for Linux and Windows Server environments Design secure, maintainable software with attention to authentication, authorization, networking, and operational security Build and maintain CI/CD pipelines using GitHub Collaborate with engineers on architecture, design, implementation, testing, and code reviews Skills You Have At least 3 years of commercial experience developing backend software in Python Practical understanding of secure backend development Knowledge of authentication, identity, or secure networking concepts Experience or strong familiarity with LDAP and/or RADIUS Ability to design reliable backend services that operate in enterprise environments Understanding of Linux services and backend application deployment Experience with automated testing, code review, and maintainable software engineering practices Working knowledge of CI/CD concepts, preferably with GitHub-based pipelines Interest in cybersecurity, secure software design, and enterprise authentication systems Ability to analyze technical problems independently and propose robust engineering solutions Nice To Have Experience with any of the following will be a strong advantage: Another backend programming language, especially C++, Rust, or Go Active Directory Enterprise cloud identity solutions such as Microsoft Entra ID LDAP security and directory integrations RADIUS and RadSec x.509 certificates, TLS, and certificate-based trust models SIEM systems and security log export SIEM log formats such as CEF, Syslog, and JSON Development of server-side software for Linux and Windows Server Software application security Secure networking concepts GitHub Actions or similar CI/CD systems Formal education in Information Security, Cybersecurity, Computer Science, or a related field, or equivalent demonstrated professional experience Why Apply This role may be a strong fit if: You want to build backend technology in the cybersecurity space You are interested in enterprise authentication, MFA, identity systems, and secure networking You enjoy developing reliable services that run in real customer environments You want to work on integrations with protocols and systems such as LDAP, RADIUS, Active Directory, RadSec, x.509, and SIEM platforms You prefer backend engineering and do not want a frontend-focused role You value secure coding practices, automation, observability, and long-term maintainability You want to grow professionally in cybersecurity and backend software engineering Steps After You Apply You’ll be invited to an online meeting with our recruiter Afterwards, we’ll ask you to complete a small assignment, which will then be discussed with one of our technical leads If everything goes well, we will make you an offer and invite you to a final interview

🏢 Summary: R&D role focused on building secure, high-performance solutions for web proxies and Zero Trust Network Access (ZTNA) to enable passwordless multi-factor authentication. The position involves designing and developing secure software components in Rust, C++, and TypeScript for enterprise-grade authentication systems. You will contribute to architectural decisions and deliver scalable, security-focused solutions. 🗂️ Requirements: 3+ years commercial experience with Rust, C++, or TypeScript, Experience developing software in Rust and/or C++, Familiarity with web proxy concepts, Familiarity with reverse proxy concepts, Knowledge of secure software design principles, Interest in information security 📃 Skills: Rust, C++, TypeScript, WebProxy, ReverseProxy, Cybersecurity, SecureDesign 🏢 Description: Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers and applications. We are looking for a long-term employee who will support us in the following area: R&D on Web Proxy and Zero Trust Network Access Security Rublon’s research and development activities on securing access to applications will enable us to build innovative solutions for passwordless multi-factor authentication . By leveraging web proxies and Zero Trust Network Access (ZTNA) principles, we are creating technologies that transform how enterprises provide secure, seamless, and user-friendly access to business-critical resources. How You’ll Work Location: Remote or from our offices in Kraków or Zielona Góra, Poland . Become part of Rublon’s R&D team working on the future of passwordless authentication and ZTNA . Collaborate with engineers, product managers, and security experts to design and deliver secure, innovative solutions. Work with cutting-edge technologies including Rust, C++, TypeScript, and FIDO2 . Benefit from opportunities for self-development through training, courses, and knowledge sharing. Experience a culture that values creativity, innovation, and technical excellence. What You’ll Do Design, implement, and optimize secure, high-performance software in Rust and C++ . Contribute to components related to passwordless authentication in TypeScript . Build secure and scalable solutions for web proxies , reverse proxies , and communication layers. Prototype and validate new ideas by creatively combining modern technologies. Participate in architectural design sessions, code reviews, and technical discussions. Deliver clean, maintainable, and secure code following industry best practices. Skills You Have 3+ years of commercial experience in software development with Rust, C++, and/or TypeScript . Familiarity with web proxy and reverse proxy concepts. Strong ability to create innovative solutions with modern technologies. A genuine interest in information security and secure software design. Nice To Haves Experience with Python . Knowledge of FIDO2 / Passkeys and passwordless authentication. Understanding of software application security . Familiarity with web servers and system administration. Hands-on experience with CI/CD environments (e.g., Docker). Background in penetration testing or offensive security. Advanced degree in Cybersecurity, Information Security, Computer Science , or equivalent experience. Why Apply Join a company trusted by enterprises worldwide to secure digital identities. Work on cutting-edge research and development in passwordless authentication and ZTNA . Collaborate with some of the brightest experts in cybersecurity. Develop your career in an environment that values self-development, knowledge sharing, and continuous learning . Be part of a supportive culture that fosters creativity and bold thinking. Steps After You Apply Submit your application and share your experience with us. Our recruitment team will review your profile. If there’s a fit, you’ll be invited to an initial conversation with our recruiters. You’ll then move forward with technical interviews with our engineering team. Successful candidates will complete a final cultural and values interview. We look forward to connecting with you and exploring how you can help us shape the future of passwordless authentication .

🏢 Summary: R&D role focused on building secure, high-performance solutions for web proxies and Zero Trust Network Access (ZTNA) to enable passwordless multi-factor authentication. The position involves designing and developing components in Rust, C++, and TypeScript, contributing to innovative enterprise authentication technologies. You will work on secure communication layers and proxy-based access solutions in a cybersecurity-driven environment. 🗂️ Requirements: 3+ years of commercial experience in Rust, C++, and/or TypeScript, Experience designing and developing secure, high-performance software, Familiarity with web proxy and reverse proxy concepts, Knowledge of secure software design principles, Interest in information security 📃 Skills: Rust, C++, TypeScript, WebProxy, ReverseProxy 🏢 Description: Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers and applications. We are looking for a long-term employee who will support us in the following area: R&D on Web Proxy and Zero Trust Network Access Security Rublon’s research and development activities on securing access to applications will enable us to build innovative solutions for passwordless multi-factor authentication . By leveraging web proxies and Zero Trust Network Access (ZTNA) principles, we are creating technologies that transform how enterprises provide secure, seamless, and user-friendly access to business-critical resources. How You’ll Work Location: Remote or from our offices in Kraków or Zielona Góra, Poland . Become part of Rublon’s R&D team working on the future of passwordless authentication and ZTNA . Collaborate with engineers, product managers, and security experts to design and deliver secure, innovative solutions. Work with cutting-edge technologies including Rust, C++, TypeScript, and FIDO2 . Benefit from opportunities for self-development through training, courses, and knowledge sharing. Experience a culture that values creativity, innovation, and technical excellence. What You’ll Do Design, implement, and optimize secure, high-performance software in Rust and C++ . Contribute to components related to passwordless authentication in TypeScript . Build secure and scalable solutions for web proxies , reverse proxies , and communication layers. Prototype and validate new ideas by creatively combining modern technologies. Participate in architectural design sessions, code reviews, and technical discussions. Deliver clean, maintainable, and secure code following industry best practices. Skills You Have 3+ years of commercial experience in software development with Rust, C++, and/or TypeScript . Familiarity with web proxy and reverse proxy concepts. Strong ability to create innovative solutions with modern technologies. A genuine interest in information security and secure software design. Nice To Haves Experience with Python . Knowledge of FIDO2 / Passkeys and passwordless authentication. Understanding of software application security . Familiarity with web servers and system administration. Hands-on experience with CI/CD environments (e.g., Docker). Background in penetration testing or offensive security. Advanced degree in Cybersecurity, Information Security, Computer Science , or equivalent experience. Why Apply Join a company trusted by enterprises worldwide to secure digital identities. Work on cutting-edge research and development in passwordless authentication and ZTNA . Collaborate with some of the brightest experts in cybersecurity. Develop your career in an environment that values self-development, knowledge sharing, and continuous learning . Be part of a supportive culture that fosters creativity and bold thinking. Steps After You Apply Submit your application and share your experience with us. Our recruitment team will review your profile. If there’s a fit, you’ll be invited to an initial conversation with our recruiters. You’ll then move forward with technical interviews with our engineering team. Successful candidates will complete a final cultural and values interview. We look forward to connecting with you and exploring how you can help us shape the future of passwordless authentication .