Software Engineer

🏢 Summary: Mid-level Java Backend Engineer role focused on developing and maintaining a global Life Sciences platform using Java and AWS. The position involves building microservices, implementing REST APIs, and working with distributed systems in a collaborative environment. It offers growth in cloud technologies and large-scale backend architecture. 🗂️ Requirements: 3–5 years of Java backend development experience, Practical experience with Spring Boot, Experience building REST APIs, Experience with SQL databases, Basic knowledge of AWS, Understanding of microservices architecture, Understanding of distributed systems fundamentals 📃 Skills: Java, Spring, SpringBoot, REST, SQL, AWS, Microservices, DistributedSystems, Kafka, React 🏢 Description: We are looking for a Mid Java Engineer to join our backend team working on a global Life Sciences platform. This role is ideal for engineers who want to deepen their experience in Java, AWS, and distributed systems while contributing to a high-impact product.🙋‍♀️ ✅ Your responsibilities: Develop and maintain backend features using Java, Spring, and Spring Boot. Work with AWS services and SQL databases as part of daily development tasks. Implement API endpoints and contribute to microservices development. Collaborate with senior engineers on architecture and best practices. Participate in code reviews and ensure technical quality. Support testing, debugging, and troubleshooting. Cooperate with product and QA teams to clarify requirements. 🧠 Our requirements: 3–5 years of experience in Java backend development. Practical knowledge of Spring Boot and REST APIs. Experience with SQL databases. Basic familiarity with AWS or willingness to learn cloud services. Understanding of microservices or distributed systems fundamentals. Ability to work in a collaborative environment and deliver consistent results. Nice to Have: Familiarity with Kafka or other event-driven systems. Ability to assist occasionally with small tasks in React. Experience working on projects in healthcare or Life Sciences. 🌟 What we offer: Fully remote work with flexible arrangements tailored to your needs. Benefits like a multisport pass and private healthcare to support your well-being. Training budget and support for certifications Opportunities to work on international projects that expand your expertise. Clear career growth paths with fast-track promotion opportunities.

🏢 Summary: Offer for a Mid Java Software Engineer focused on designing and developing scalable Java 17+ applications within the Spring ecosystem for international projects. The role includes modernizing legacy systems, building RESTful microservices, and integrating solutions with Azure cloud services. It also involves maintaining CI/CD pipelines and implementing secure authentication mechanisms in a hybrid work model. 🗂️ Requirements: 3–4 years of commercial experience in Java development, Practical experience with Java 17+ features, Experience with Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Experience in maintaining and modernizing legacy systems, Knowledge of Python, SQL and Bash for automation, Experience with CI/CD tools and pipelines, Experience with Docker, Experience with Maven or Gradle, Experience working in Linux environments, Knowledge of Azure services integration, Experience with OAuth2/OIDC and Azure AD, English level B2/C1, Availability for hybrid work in Wroclaw 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringSecurity, SpringDataJPA, REST, Microservices, Azure, AzureDevOps, AppService, KeyVault, StorageAccounts, ApplicationInsights, OAuth2, OIDC, AzureAD, Python, SQL, Bash, Docker, Maven, Gradle, Linux, CI/CD 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko Mid Java Software Engineer . Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową, świadcząca usługi IT dla dużych i średnich firm z różnorodnych sektorów jak automotive, finanse, bankowość czy produkcja. Projektowanie i wytwarzanie wydajnych aplikacji Java z wykorzystaniem funkcjonalności Java 17+ (records, sealed classes, pattern matching, streams, modularyzacja). Budowanie skalowalnych rozwiązań w ekosystemie Spring: Spring Boot, MVC, Security, Data JPA. Implementacja RESTful API, mikroserwisów oraz wzorców dependency injection zgodnie z best practices. Modernizacja systemów legacy: modularyzacja monolitów, migracja do REST, aktualizacja interfejsów użytkownika. Rozwiązywanie problemów wydajnościowych, długu technicznego oraz kwestii interoperacyjności w starszych aplikacjach Java. Udział w utrzymaniu i rozwoju pipeline'ów CI/CD w Azure DevOps, zarządzanie artefaktami i automatyzacja wdrożeń. Integracja z usługami Azure: App Service, Key Vault, Storage Accounts, Application Insights. Implementacja bezpiecznych przepływów uwierzytelniania z wykorzystaniem OAuth2/OIDC oraz Azure AD (Microsoft Entra). Oczekujemy: 3–4 lat doświadczenia w wytwarzaniu oprogramowania w Javie z dostarczaniem złożonych rozwiązań. Praktycznej znajomości Java 17+ i zaawansowanych funkcjonalności języka. Doświadczenia z Spring Boot, MVC, Security, Data JPA. Udokumentowanej umiejętności utrzymania i modernizacji kodu legacy. Znajomości Pythona, SQL oraz skryptowania w Bash na potrzeby automatyzacji. Znajomości narzędzi CI/CD, Docker, Maven/Gradle oraz środowisk Linux. Gotowości do pracy w modelu hybrydowym (2 dni w tygodniu w biurze we Wrocławiu, ul. Legnicka) Znajomości języka angielskiego na poziomie B2 lub C1 – umożliwiającej swobodną komunikację w międzynarodowym środowisku. Mile widziana dostępność ASAP; akceptowalny jest maksymalnie miesięczny okres wypowiedzenia ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 80-100 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Współpraca w modelu hybrydowym w wymiarze 2 dni w tygodniu z biura we Wrocławiu. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 Summary: Long-term B2B opportunity for Mid and Senior Backend Developers (Java) in the telecom sector, focused on building and developing modern backend systems with AI elements. The role involves designing REST APIs, working with event-driven architecture, and maintaining production-grade distributed systems. Senior candidates additionally drive system design, migrations, and production ownership. 🗂️ Requirements: 4+ years (Mid) or 6+ years (Senior) commercial backend experience, Strong knowledge of Java 21+, Hands-on experience with Spring Boot 3.x, Experience designing and developing REST APIs, Knowledge of OpenAPI and system integrations, Experience with event-driven architecture, Experience with unit and integration testing, Experience with monitoring, logging, troubleshooting, Knowledge of Spring Security, OAuth2, JWT, Experience with NoSQL databases, Experience with Maven or similar build tools, For Senior: experience designing distributed systems, For Senior: production ownership and incident handling, For Senior: experience leading technology migrations 📃 Skills: Java, Spring, SpringBoot, REST, OpenAPI, OAuth2, JWT, MongoDB, NoSQL, Maven, EventDriven, DistributedSystems, Monitoring, Logging, Troubleshooting, Node.js, TypeScript, Express, Fastify, NestJS, Kafka, RabbitMQ, GraphQL, Docker, Kubernetes, Terraform, OpenTelemetry, Jest, Vitest, npm, pnpm 🏢 Description: Dla klienta z branży telekomunikacyjnej poszukujemy Senior i Mid Backend Developerów (Java) z AI do długofalowej współpracy! ZADANIA WYMAGANIA Wymagania – Mid Minimum 4+ lata doświadczenia komercyjnego w backend development Bardzo dobra znajomość Java 21+ Praktyczne doświadczenie w Spring Boot 3.x Doświadczenie w projektowaniu i rozwijaniu REST API Znajomość OpenAPI oraz integracji systemowych Doświadczenie w architekturze event-driven Znajomość testów jednostkowych i integracyjnych Doświadczenie z monitoringiem, logowaniem i troubleshootingiem Znajomość Spring Security / OAuth2 / JWT Praca z bazami NoSQL (np. MongoDB) Znajomość Maven lub podobnych narzędzi buildowych Angielski minimum B2 Wymagania – Senior Minimum 6+ lat doświadczenia komercyjnego w backend development Wszystko co w wymaganiach na Mid powyżej Doświadczenie w projektowaniu systemów rozproszonych Ownership produkcyjny i rozwiązywanie incydentów production Doświadczenie w prowadzeniu migracji technologicznych Mentoring juniorów i midów Bardzo dobra znajomość API design, integracji i architektury event-driven Angielski minimum B2 MILE WIDZIANE Komercyjne doświadczenie z Node.js oraz TypeScript (mocno preferowane) Express / Fastify / NestJS Kafka lub RabbitMQ GraphQL Docker / Kubernetes Terraform OpenTelemetry Jest / Vitest npm / pnpm CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B i stawkę: 150-175zł/h netto + VAT dla seniora, 120-130zł/h netto + VAT dla mida. Pracę hybrydową z Warszawy (1-2 razy w tygodniu w biura). Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie : Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening : Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu . Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Aleksandra Mazur Junior IT Delivery Consultant aleksandra.mazur@speedapp.pl +48 728 360 029

🏢 Summary: Senior Java Engineer role focused on building, modernizing and optimizing enterprise-grade systems with strong emphasis on security, performance and scalability. The position involves backend or fullstack development, resolving security findings, upgrading dependencies, and contributing to architectural decisions in distributed international teams. Projects target critical, high-performance environments with real impact on system reliability and efficiency. 🗂️ Requirements: 5–7+ years of enterprise Java experience, Strong knowledge of Java SE and JEE, Experience with Spring and Spring Boot, Knowledge of JMS and JPA or Hibernate, Experience with TypeScript and Angular (v2+), Understanding of Observables and Redux state management, Experience designing and developing REST APIs, Experience in security analysis and remediation or performance engineering, Knowledge of SQL and relational databases (PostgreSQL, Oracle or SQL Server), Experience with Docker, Knowledge of Kubernetes or OpenShift, Knowledge of OAuth, OIDC and SSO, English level B2+ 📃 Skills: Java, JEE, Spring, SpringBoot, JMS, JPA, Hibernate, TypeScript, Angular, Observables, Redux, REST, SQL, PostgreSQL, Oracle, SQLServer, Docker, Kubernetes, OpenShift, OAuth, OIDC, SSO 🏢 Description: Wobec pojawiających się możliwości szukamy: 🚀 O roli Senior Java Engineera , który dobrze odnajduje się w złożonych systemach enterprise — tam, gdzie naprawdę liczy się bezpieczeństwo, wydajność i skalowalność . W zależności od projektu będziesz: rozwiązywać realne problemy security (findings + remediation) , optymalizować wydajność systemów krytycznych , modernizować i upgrade’ować istniejące rozwiązania, rozwijać backend lub fullstack w środowisku enterprise. Pracujesz blisko architektury i decyzji technicznych, w międzynarodowych, rozproszonych zespołach . 🛠 Twoje zadania rozwój i utrzymanie aplikacji w Java (Spring Boot) projektowanie i rozwój REST API analiza i naprawa problemów bezpieczeństwa upgrade zależności ( Java + TypeScript ) identyfikacja i usuwanie wąskich gardeł wydajnościowych praca z integracjami i wzorcami enterprise współpraca z zespołami globalnymi i interesariuszami udział w decyzjach architektonicznych wsparcie wdrożeń i rozwiązywanie problemów produkcyjnych ✅ Must have 5–7+ lat doświadczenia w Java (enterprise) bardzo dobra znajomość Java SE / JEE doświadczenie z Spring / Spring Boot znajomość JMS, JPA / Hibernate doświadczenie z TypeScript frontend: Angular (v2+) znajomość Observables / Redux (state management) doświadczenie z REST API doświadczenie w jednym z obszarów: security (analiza + remediation) lub performance engineering znajomość SQL (PostgreSQL / Oracle / SQL Server) doświadczenie z Docker znajomość Kubernetes lub OpenShift znajomość OAuth / OIDC / SSO (IAM) doświadczenie w pracy z rozproszonymi zespołami angielski min. B2+ ➕ Mile widziane Apache Camel Kafka Jenkins / Harness CI/CD / DevOps Azure C++ Terraform / IaC doświadczenie w fintech / systemach finansowych doświadczenie z systemami high-performance / data-intensive 💡 Co oferujemy długofalową współpracę realny wpływ na architekturę i decyzje techniczne projekty z naciskiem na security, performance i enterprise elastyczny model pracy (remote-first) międzynarodowe środowisko brak zbędnej korporacyjnej biurokracji 📩 Zainteresowany? Jeśli chcesz rozwiązywać realne problemy inżynieryjne, a nie tylko “zamykać taski” odezwij się.

🏢 Summary: Senior Backend Engineer role focused on designing and developing scalable, reliable backend services using Java. The position involves working in a cross-functional team to build high-performance systems, improve architecture, and support CI/CD and production environments. 🗂️ Requirements: 5+ years Backend Engineering experience, Strong Java proficiency, Solid knowledge of databases and SQL, Experience with RESTful APIs, Experience with microservices architecture, Experience with high-load systems, Experience with Docker and Kubernetes, Experience with AWS or GCP, Knowledge of CI/CD pipelines, Understanding of Agile practices 📃 Skills: Java, SQL, REST, Microservices, Docker, Kubernetes, AWS, GCP, CI/CD, Golang, Python 🏢 Description: We are looking for a Senior Backend Engineer with strong Java experience to help us design and develop scalable solutions. You will work in a cross-functional team, building reliable services and contributing to the continuous improvement of our systems. This role is ideal for someone who enjoys solving complex problems and driving technical excellence. 💼 Responsibilities: Design, develop, and maintain backend features and services. Collaborate with teams to define requirements and integrate systems. Ensure performance, scalability, and reliability of applications. Contribute to CI/CD processes and support production systems. Write clear documentation and share knowledge within the team. ✅ Requirements: 5+ years of experience as a Backend Engineer, with strong Java skills (Golang/Python is a plus). Solid understanding of databases and SQL. Experience with RESTful API design, microservices, and high-load systems. Familiarity with Docker, Kubernetes, and cloud environments (AWS/GCP). Knowledge of CI/CD pipelines and Agile practices. Strong problem-solving and communication skills. 🎁 We offer: Stable employment in a fast-growing company. Flexible and remote-friendly working model. Health and wellbeing benefits. Learning and development opportunities. Modern equipment and comfortable work environment.

🏢 Summary: Oferta dla Mid Java Developera obejmuje rozwój i utrzymanie nowoczesnych aplikacji oraz usług biznesowych w modelu hybrydowym w Warszawie. Rola zakłada projektowanie architektury, implementację rozwiązań oraz dbanie o jakość, wydajność i niezawodność oprogramowania. Projekt realizowany jest w środowisku opartym o Java, Spring oraz technologie integracyjne i bazodanowe. 🗂️ Requirements: Minimum 5 lat komercyjnego doświadczenia w programowaniu obiektowym, Doświadczenie z Java SE 17 lub nowszą, Bardzo dobra znajomość Spring Boot, Bardzo dobra znajomość Spring Integration, Doświadczenie z relacyjnymi bazami danych, Znajomość Git, Znajomość Maven, Znajomość Jira, Znajomość Jenkins, Znajomość SOAP, Znajomość REST, Znajomość XML, Znajomość JSON, Umiejętność pracy zespołowej, Zdolności analityczne, Wykształcenie wyższe informatyczne lub pokrewne 📃 Skills: Java, Spring, SpringBoot, SpringIntegration, Git, Maven, Jira, Jenkins, SOAP, REST, XML, JSON, SQL, GCP, BigQuery, CloudSQL, PubSub, React, Kafka, MQ, Docker, Kubernetes, Anthos 🏢 Description: Poszukujemy osoby na stanowisko Mid Java Developer, która dołączy do zespołu realizującego rozwój i utrzymanie nowoczesnych aplikacji oraz usług biznesowych. Osoba na tym stanowisku będzie uczestniczyć zarówno w projektowaniu architektury rozwiązań, jak i ich implementacji, dbając o wysoką jakość dostarczanego oprogramowania. Oferujemy 📍 Lokalizacja: Warszawa (praca hybrydowa – 1 dzień w tygodniu w biurze) 💰 Stawka: do 110 PLN/h B2B Obowiązki Na co dzień będziesz: implementować nowe oraz rozwijać istniejące aplikacje i serwisy, tworzyć testy jednostkowe i integracyjne, dbać o wysoką jakość oprogramowania pod względem funkcjonalności, wydajności i niezawodności, dokumentować wdrażane rozwiązania, analizować i rekomendować optymalne rozwiązania technologiczne, uczestniczyć w pracach projektowych i zespołowych, projektować nowe rozwiązania oraz komponenty systemowe. Wymagania Szukamy osoby, która posiada: minimum 5 lat komercyjnego doświadczenia w programowaniu obiektowym, praktyczne doświadczenie w pracy z Java SE 17 (lub nowszą), bardzo dobrą znajomość Spring Boot oraz Spring Integration , doświadczenie w pracy z relacyjnymi bazami danych, znajomość narzędzi: Git, Maven, Jira, Jenkins , znajomość standardów i technologii: SOAP, REST, XML, JSON , umiejętność efektywnej pracy zespołowej, rozwinięte zdolności analityczne, wykształcenie wyższe informatyczne lub pokrewne. Dodatkowym atutem będzie znajomość: środowiska chmurowego Google Cloud Platform (GCP) , w szczególności: BigQuery, Cloud SQL, Pub/Sub, programowania frontendowego w React , pracy z kolejkami i systemami komunikacji: Apache Kafka, Google Pub/Sub, IBM MQ, nierelacyjnych baz danych, budowy i utrzymania aplikacji kontenerowych: Docker, Kubernetes Engine, Anthos, realizacji projektów związanych z Campaign Management . Ta rola nie jest dla Ciebie, ale masz znajomego, który by się sprawdził? Poleć go i zgarnij nawet 5000 zł. Referral Program: Talent from your network Nie zwlekaj i zaaplikuj już teraz!

🏢 Summary: Backend engineering role focused on building scalable Python services and APIs for an AI platform used by enterprise customers. The position involves developing production backend systems, integrating AI components, and improving reliability in a collaborative engineering environment. Offers modern AI tooling, cloud-native development exposure, and growth opportunities within an AI-focused product team. 🗂️ Requirements: 2–5 years of backend application development experience, Python, REST APIs, Backend services, SQL, PostgreSQL, Asynchronous programming, Background job processing, AWS, Azure, GCP, Testing, Version control, AI development tools, English B2 📃 Skills: Python, FastAPI, Django, PostgreSQL, SQL, AWS, Azure, GCP, Docker, Redis, RabbitMQ, Kafka, TypeScript, REST, Git, CI/CD, ChatGPT, Copilot, Codex, Claude 🏢 Description: About Us Many companies want to use AI agents, but these agents often struggle with real business tasks. We solve this problem by building a platform that helps AI understand business rules, workflows, and processes. This enables AI to make better decisions and provide accurate, reliable, and trustworthy results. Our technology is used by leading companies across multiple industries to automate up to 85% of customer cases, reduce handling time by 20–25%, and complete tasks that previously took hours in just seconds. We work with leading technology partners and have been recognized for our innovative approach. Our mission is to help people everywhere get better answers through AI. About the Role We are looking for a Mid Backend Engineer to help build scalable backend services that power our AI platform. You'll work closely with experienced backend engineers, frontend developers, product managers, and platform engineers to develop new features, improve existing systems, and deliver reliable production software. This is a great opportunity to work on modern AI infrastructure while growing your technical skills in a collaborative engineering environment. Responsibilities - Build and maintain backend services, APIs, and background processing systems. - Develop scalable application logic using Python. - Collaborate with product managers and engineers to deliver new product features. - Integrate backend services with databases, external APIs, and AI components. - Monitor, troubleshoot, and improve production services. - Write clean, maintainable, and well-tested code. - Participate in code reviews and engineering discussions. - Improve development workflows using AI tools and automation. - Continuously learn from production feedback and contribute to improving system reliability and performance. Requirements - 2–5 years of experience building production backend applications. - Good knowledge of Python. - Experience building REST APIs and backend services. - Understanding of relational databases (PostgreSQL or similar) and SQL. - Familiarity with asynchronous programming and background job processing. - Basic understanding of cloud platforms such as AWS, Azure, or GCP. - Understanding of software engineering best practices, testing, and version control. - Good communication skills and willingness to collaborate across engineering and product teams. - Experience using AI development tools such as GitHub Copilot, Claude Code, ChatGPT, or similar. - English at B2 level or higher. Nice to Have - Experience with FastAPI, Django, or similar Python frameworks. - Experience working with Docker and CI/CD pipelines. - Familiarity with Redis, RabbitMQ, Kafka, or similar messaging technologies. - Experience building AI-powered applications or integrating LLM APIs. - Basic knowledge of TypeScript or frontend development. - Interest in distributed systems and cloud-native architectures. What We Offer - 20,000–24,000 PLN B2B (depending on experience). - Company stock options. - MacBook Pro. - Modern technology stack with opportunities to contribute to open-source projects. - Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, and MCP Servers. - The opportunity to work on production AI systems used by enterprise customers. - A collaborative engineering culture focused on learning, ownership, and continuous improvement. - Career growth alongside experienced engineers in a fast-growing AI company. Our Culture and Values - Quality - We build reliable software with attention to detail and long-term maintainability. - Momentum - We move quickly, learn continuously, and improve through iteration. - Accountability - We take responsibility for our work and communicate openly. - Hard Work - We solve ambitious problems together and support each other along the way. - Learning Agility - We stay curious, embrace feedback, and continuously develop our skills. - Adapt and Thrive - We welcome change and see challenges as opportunities to improve. - Win Together - We collaborate, share knowledge, and succeed as one team.

🏢 Summary: Senior Java Engineer role in a product team building a large-scale endpoint protection and detection platform. The position focuses on designing and developing scalable backend services within a distributed, microservices-based architecture deployed in the cloud. The engineer will contribute to a high-impact cybersecurity solution running across multiple operating systems. 🗂️ Requirements: 5+ years of software engineering experience, Proficiency in Java, Experience with large-scale distributed systems, Experience with microservices architecture, Experience with AWS and/or GCP, Experience with Kubernetes, Experience with Kafka or similar messaging systems 📃 Skills: Java, Go, Python, AWS, GCP, Kubernetes, Kafka, Microservices, REST, SQL 🏢 Description: N-iX is looking for a Senior Java Engineer (with Go/Python) to join a collaborative product team of around 8 engineers working on a complex, high-impact software platform. You’ll contribute across the stack, building scalable backend services and intuitive frontend experiences, while actively using AI-powered development tools to improve productivity and code quality. The team follows Agile best practices, values clean architecture, ownership, and continuous improvement. As an engineer, you’ll help to develop the platform that serves as an enterprise next-generation endpoint protection (EPP) + endpoint detection & response (EDR) solution that runs on Windows (as well as macOS, Linux, servers, etc.). It comes as a single, unified agent designed to prevent, detect, respond, and remediate cyber threats, including malware, ransomware, fileless attacks, and advanced persistent threats — all in real time. Responsibilities: Design, develop, and maintain backend services Collaborate closely with backend, frontend, and QA engineers in an Agile/Scrum environment Write clean, testable, and well-documented code Integrate and work with APIs, data stores, and third-party services Use AI-assisted development tools (e.g., code assistants, testing tools, analysis tools) to improve delivery speed and quality Support production systems and participate in troubleshooting when needed Requirements: 5+ years of extensive software engineering experience Proficiency in Java Proven expertise in developing large-scale distributed systems and microservices architecture, with a focus on performance, scalability, and reliability Experience with cloud platforms (AWS and/or GCP) and Kubernetes (must) Experience with Kafka or similar solutions Experience with Python or Go is nice to have. Excellent problem-solving skills Strong communication skills and ability to articulate technical concepts and influence engineering direction across teams, departments, and stakeholders Upper-intermediate level English

🏢 Summary: Mid Java Engineer role focused on developing and maintaining a server-side rendered Java application for the insurance domain, primarily backend-oriented (80–90%). The position involves building new features, maintaining existing components, and deploying WAR-based applications integrated with multiple enterprise systems. The engineer collaborates in an international Agile team to deliver high-quality, scalable backend solutions. 🗂️ Requirements: Minimum 3 years of experience with Java, Experience with JDBC and plain SQL, Experience with Oracle databases, Knowledge of JAXB and XStream, Experience with Maven, Experience with Apache Tomcat and WAR deployments, Familiarity with enterprise application stacks, Experience with Agile/Scrum methodologies, Fluency in English 📃 Skills: Java, JDBC, SQL, Oracle, JAXB, XStream, Maven, Tomcat, WAR, Servlets, JSP, JSTL, jQuery, CSS 🏢 Description: ​​​​ About Webellian Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are looking for a Mid Java Engineer with at least 3 years of experience to join an international team working for one of our customers - a leader in the insurance industry. As a Mid Java Engineer, you will work on the development and maintenance of a server-side rendered (SSR) Java application, which constitutes the core of the system (approximately 80–90% backend/server-side logic). The frontend layer represents around 10–20% of the application and is implemented mainly to complement UI limitations of the Java server-side technology stack. You will contribute to an internal business application integrated with multiple enterprise systems and tailored to complex insurance processes. You will collaborate with teammates located in Poland and across Europe, working closely with product owners and application users. Key responsibilities Development of new application features Maintenance and enhancement of existing system components Application testing and debugging Application deployment and packaging (WAR-based deployments) Writing clean, maintainable backend code Preparing technical documentation Proposing technical improvements and optimizations Competencies Java JDBC / plain SQL (mainly Oracle database) JAXB, XStream Maven Apache Tomcat (WAR packaging & deployment) Internal engines: Kernel, PriceEngine, CalculationEngine Nice to have Servlets & JSP, JSTL jQuery, CSS T-Konfigurator (TKUI) Experience working with SSR applications Other requirements Familiarity with databases Familiarity with common enterprise application stacks Great attention to detail Experience with Agile/Scrum methodologies is a must Fluency in English is a must Excellent verbal communication skills are a must Independence and drive to grow and learn What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card English classes available Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Join a growing team of dedicated professionals! We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply ➡️

🏢 Summary: Senior Java Engineer role focused on building and maintaining scalable backend services and contributing to frontend development for a next-generation endpoint protection and detection platform. The position involves working in an Agile team on distributed microservices architecture, leveraging cloud platforms and AI-assisted development tools. The solution delivers real-time cyber threat prevention and response across multiple operating systems. 🗂️ Requirements: 5+ years of software engineering experience, Strong proficiency in Java, Experience with large-scale distributed systems, Experience with microservices architecture, Experience with AWS and/or GCP, Experience with Kubernetes, Experience with Kafka or similar messaging systems, Experience integrating APIs and data stores, Upper-intermediate English level 📃 Skills: Java, AWS, GCP, Kubernetes, Kafka, Microservices, REST, SQL, AI, Git 🏢 Description: N-iX is looking for a Senior Java Engineer to join a collaborative product team of around 8 engineers working on a complex, high-impact software platform. You’ll contribute across the stack, building scalable backend services and intuitive frontend experiences, while actively using AI-powered development tools to improve productivity and code quality. The team follows Agile best practices, values clean architecture, ownership, and continuous improvement. As an engineer, you’ll help to develop the platform that serves as an enterprise next-generation endpoint protection (EPP) + endpoint detection & response (EDR) solution that runs on Windows (as well as macOS, Linux, servers, etc.). It comes as a single, unified agent designed to prevent, detect, respond, and remediate cyber threats, including malware, ransomware, fileless attacks, and advanced persistent threats — all in real time. Responsibilities: Design, develop, and maintain backend services in Java Collaborate closely with backend, frontend, and QA engineers in an Agile/Scrum environment Write clean, testable, and well-documented code Integrate and work with APIs, data stores, and third-party services Use AI-assisted development tools (e.g., code assistants, testing tools, analysis tools) to improve delivery speed and quality Support production systems and participate in troubleshooting when needed Requirements: 5+ years of extensive software engineering experience Proficiency in Java Proven expertise in developing large-scale distributed systems and microservices architecture, with a focus on performance, scalability, and reliability Experience with cloud platforms (AWS and/or GCP) and Kubernetes (must) Experience with Kafka or similar solutions Excellent problem-solving skills Strong communication skills and ability to articulate technical concepts and influence engineering direction across teams, departments, and stakeholders Upper-intermediate level English