Senior Mobile Architect with SDK, Security Platform

🏢 Summary: Senior Android Developer role focused on leading the modernization of a secure, high performance mobile SDK for digital fraud prevention and authentication in financial services. The position involves defining architecture, validating migration strategies, and establishing standards for SDK distribution, security, and testing. You will drive technical design, performance optimization, and cross functional collaboration in a distributed team. 🗂️ Requirements: 8+ years of Android development experience, Strong Kotlin proficiency, Java interoperability experience, Experience building and maintaining Android SDKs or libraries, AAR packaging and Maven publishing experience, Advanced Gradle configuration knowledge, ProGuard and R8 configuration experience, Dependency management and host app compatibility management, Android lifecycle and WorkManager expertise, Performance optimization and ANR prevention knowledge, Android security implementation using Keystore and encryption, Play Integrity API or SafetyNet experience, Experience with JUnit, Robolectric, and Espresso 📃 Skills: Kotlin, Java, Coroutines, Flow, Gradle, Maven, AAR, ProGuard, R8, WorkManager, AndroidX, Keystore, Encryption, SafetyNet, PlayIntegrity, JUnit, Robolectric, Espresso 🏢 Description: Project overview The project focuses on modernizing a mobile SDK used for digital fraud prevention and customer authentication within financial services. You will contribute to building a secure, scalable, and performance driven SDK designed for integration into a wide range of external Android applications. Team You will work in a distributed cross functional team including Android engineers, backend developers, and security specialists. The team collaborates across regions, following shared engineering practices and contributing to design decisions and system improvements. Position overview We are looking for a Senior Android Developer who will lead the technical design and implementation of an Android SDK modernization initiative. You will define architecture, validate migration strategies, develop proof of concept components, and establish engineering standards for distribution, testing, and security. Technology stack Kotlin, Java, Coroutines, Flow, Gradle, Maven, AAR, ProGuard, R8, WorkManager, Android Keystore, EncryptedSharedPreferences, Play Integrity API, SafetyNet, JUnit, Robolectric, Espresso, AndroidX Responsibilities Lead the design and development of Android SDK components Define and maintain scalable and maintainable SDK architecture Develop proof of concept solutions to validate architectural decisions Ensure SDK compatibility across different Android versions and device manufacturers Establish best practices for SDK distribution, integration, and versioning Collaborate with cross functional teams on security and compliance requirements Optimize performance including startup time, memory usage, and binary size Implement secure data storage and communication mechanisms Drive testing strategy including unit, integration, and instrumentation testing Participate in code reviews and contribute to engineering standards Requirements 8+ years of experience in Android development Strong proficiency in Kotlin and experience with Java interoperability Experience building, distributing, and maintaining reusable Android SDKs or libraries Experience with AAR packaging and artifact publishing using Maven repositories Strong knowledge of Gradle including build configuration and customization Understanding of ProGuard and R8 configuration and code optimization Experience managing dependencies and ensuring compatibility with host applications Knowledge of Android lifecycle management and background execution using WorkManager Understanding of performance optimization and avoiding ANR and UI performance issues Experience with Android security features including Android Keystore and encryption mechanisms Familiarity with Play Integrity API or SafetyNet and certificate pinning Experience with performance monitoring and profiling tools Experience with testing frameworks including JUnit, Robolectric, and Espresso Nice to have Experience working in financial services or regulated environments Exposure to sensor based data processing using Android SensorManager Knowledge of API desugaring and backward compatibility strategies Understanding of SDK footprint optimization techniques Experience contributing to architecture guidelines or internal engineering standards What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 Summary: Senior iOS Developer role focused on leading the modernization of a secure, high performance mobile SDK for fraud prevention and customer authentication in financial services. The position involves defining architecture, implementing core SDK components, and establishing standards for distribution, testing, and security across multiple iOS environments. The role requires close collaboration with cross functional teams to ensure scalability, compliance, and performance optimization. 🗂️ Requirements: 8+ years of iOS development experience, Strong proficiency in Swift, Experience with Objective C interoperability, Experience building and maintaining reusable iOS SDKs or frameworks, Knowledge of XCFramework, Swift Package Manager, and CocoaPods, Understanding of static and dynamic linking, module stability, library evolution, Experience optimizing application size and performance, Knowledge of iOS security concepts including Keychain and Secure Enclave, Experience with Instruments for performance analysis, Experience with XCTest and XCUITest, Familiarity with code signing and provisioning processes 📃 Skills: Swift, Objective-C, Combine, async/await, XCFramework, SwiftPM, CocoaPods, Keychain, SecureEnclave, AppAttest, DeviceCheck, XCTest, XCUITest, Instruments, BGTaskScheduler 🏢 Description: Project overview The project focuses on modernizing a mobile SDK used for digital fraud prevention and customer authentication in financial services. You will contribute to building a scalable, secure, and high performance SDK designed for integration into external applications across multiple environments. Team You will work in a distributed team of iOS engineers, backend engineers, and security specialists. The team collaborates closely across regions, following shared engineering standards and participating in design reviews and system level discussions. Position overview We are looking for a Senior iOS Developer who can lead technical design and implementation for an iOS SDK modernization initiative. You will define architecture, validate migration strategies, develop proof of concept components, and establish engineering standards for distribution, testing, and security. Technology stack Swift, Objective C, Combine, async await, XCFramework, Swift Package Manager, CocoaPods, Keychain, Secure Enclave, App Attest, DeviceCheck, XCTest, XCUITest, Instruments, BGTaskScheduler Responsibilities Lead technical design and implementation of iOS SDK components Define and maintain architecture aligned with enterprise standards Develop proof of concept solutions to validate design approaches Ensure SDK compatibility across multiple iOS versions and devices Establish guidelines for SDK distribution, integration, and versioning Collaborate with cross functional teams on security and compliance requirements Optimize application performance, memory usage, and energy efficiency Implement secure coding practices and support data protection mechanisms Drive testing strategies including unit, integration, and UI testing Contribute to code reviews and support engineering best practices Requirements 8+ years of experience in iOS development Strong proficiency in Swift and experience with Objective C interoperability Experience building and maintaining reusable iOS SDKs or frameworks Understanding of framework distribution using XCFramework, Swift Package Manager, and CocoaPods Knowledge of static and dynamic linking, module stability, and library evolution Experience managing dependencies and optimizing application size and performance Understanding of iOS security concepts including Keychain, Secure Enclave, and certificate pinning Familiarity with privacy and App Store compliance standards Experience with background execution models and related constraints in iOS Knowledge of performance analysis tools such as Instruments Experience with testing frameworks including XCTest and XCUITest Familiarity with code signing, provisioning, and distribution processes Nice to have Experience working in financial services or regulated environments Exposure to sensor data processing such as CoreMotion or gesture handling Experience contributing to enterprise architecture standards Background in security focused application development What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 Summary: Senior Mobile Developer role focused on building and maintaining an enterprise-grade mobile SDK for passwordless authentication used globally. The position involves low-level mobile engineering, security and cryptography implementation, and performance optimization across Android and iOS platforms. The role includes architectural decision-making and close collaboration with backend teams in an international environment. 🗂️ Requirements: 6+ years commercial experience in mobile development (Android and/or iOS), Strong knowledge of Kotlin and/or Swift, Practical experience in developing mobile SDKs, Cross-platform experience with Android and iOS, Knowledge of OS internals (memory, threading, security model), Experience with cryptography or threat modeling, Experience in performance optimization, Knowledge of concurrency and asynchronous programming, Experience with CI/CD for mobile applications, English proficiency min. B2, Polish proficiency min. C1 📃 Skills: Kotlin, Swift, Android, iOS, SDK, Cryptography, Concurrency, CI/CD, Threading, Memory, Security, Git 🏢 Description: Cześć! Dla naszego klienta, międzynarodowej firmy z branży usług informatycznych, poszukujemy Senior Mobile Developera, który dołączy do zespołu budującego nowoczesną platformę passwordless authentication, wykorzystywaną na milionach urządzeń na całym świecie. To rozwiązanie klasy enterprise, używane m.in. w sektorze finansowym i bankowym, które odpowiada za bezpieczne zarządzanie tożsamością użytkowników. Projekt koncentruje się na rozwoju zaawansowanego mobile SDK, które stanowi warstwę bezpieczeństwa działającą bezpośrednio na urządzeniu użytkownika. Będziesz mieć okazję pracować blisko systemu operacyjnego, w obszarze security, wydajności i low-level engineeringu, tworząc produkt używany przez innych developerów. Wspólnie z zespołem będziesz podejmować kluczowe decyzje architektoniczne mające wpływ na dalszy rozwój produktu. Lokalizacja: Gdańsk Model pracy: Hybryda lub zdalnie (sporadyczne wizyty w biurze) Forma zatrudnienia: B2B lub umowa o pracę Wynagrodzenie: B2B: 169 - 190 PLN/h + VAT || UoP: 20750 - 23000 PLN brutto Zakres obowiązków: rozwój i utrzymanie mobilnego SDK (Android/iOS), projektowanie i implementacja rozwiązań z zakresu bezpieczeństwa i kryptografii, praca z pamięcią, wielowątkowością i optymalizacją wydajności, integracja z mechanizmami systemowymi (lifecycle, permissions, system services), analiza zmian w systemach operacyjnych i dostosowywanie SDK do nowych wersji platform, udział w projektowaniu rozwiązań, security reviews oraz podejmowaniu decyzji architektonicznych, ścisła współpraca z zespołami backendowymi, praca w środowisku międzynarodowym (język angielski na co dzień). Oczekiwania: 6+ lat doświadczenia komercyjnego w tworzeniu rozwiązań mobilnych (Android i/lub iOS), bardzo dobra znajomość Kotlin i/lub Swift, praktyczne doświadczenie w tworzeniu mobile SDK, elastyczność i gotowość do działania cross-platformowo (zarówno w środowisku Androidowym, jak i iOS), solidna wiedza z zakresu: OS internals (memory, threading, security model) oraz lifecycle i zarządzania zasobami, doświadczenie z kryptografią lub threat modelingiem, doświadczenie w optymalizacji wydajności, praktyczna wiedza z zakresu concurrency i programowania asynchronicznego, znajomość procesów CI/CD dla aplikacji mobilnych, bardzo dobra znajomość języka angielskiego (min. B2), płynna znajomość języka polskiego (min. C1), umiejętność samodzielnej pracy i branie odpowiedzialności za tworzony produkt, nastawienie na bycie częścią zespołu i otwartość na feedback. Mile widziane: doświadczenie cross-platform (np. Kotlin Multiplatform, React Native, Flutter), znajomość narzędzi do profilowania (np. Instruments, Perfetto, Systrace), doświadczenie z komponentami sprzętowymi (TEE, Secure Enclave, KeyStore), wiedza z zakresu mobile security (RASP, root/jailbreak detection, anti-tampering, itp.), podstawowa znajomość UX / procesów projektowania produktów cyfrowych. Oferujemy: realny wpływ na rozwój produktu używanego globalnie przez miliony użytkowników, dużą samodzielność oraz szerokie możliwości rozwoju, pracę w płaskiej strukturze i możliwość proponowania własnych rozwiązań, środowisko nastawione na jakość i konstruktywny feedback, wsparcie przełożonego, program mentoringowy i regularne spotkania 1on1, współpracę w oparciu o kontrakt B2B lub umowę o pracę, elastyczne godziny pracy (start między 7:00 a 10:00), nowoczesny sprzęt (MacBook + urządzenia testowe), integracje zespołowe i warsztaty techniczne, pakiet benefitów (prywatna opieka medyczna, MultiSport, lekcje angielskiego), pracę zdalną ze sporadycznymi wizytami w gdańskim biurze.

🏢 Summary: Senior Android Engineer role in a greenfield product team building a large-scale banking application using Kotlin Multiplatform and Compose Multiplatform. The position focuses on developing shared UI and business logic, owning Android-specific integrations, and shaping architecture and engineering standards from the ground up. Strong emphasis on high-quality delivery, CI/CD practices, and daily use of AI-assisted development tools. 🗂️ Requirements: Minimum 5 years of native Android development experience, Expert-level proficiency in Kotlin, Strong experience with Jetpack Compose, Hands-on production experience with Kotlin Multiplatform (KMP), Experience with Compose Multiplatform, Deep understanding of MVVM, MVI, Clean Architecture, Experience building and maintaining Design Systems in Compose, Strong knowledge of Android platform specifics (lifecycle, permissions, notifications, Play Store), Experience with testing frameworks (JUnit, MockK, Compose UI testing), Experience with mobile CI/CD tools (GitHub Actions, Bitrise, Fastlane), Daily professional use of AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) 📃 Skills: Kotlin, Android, KMP, Compose, MVVM, MVI, CleanArchitecture, JUnit, MockK, GitHubActions, Bitrise, Fastlane, Claude, Cursor, Copilot 🏢 Description: Hi, nice you are here! 😊 Embrace change with Efigence! We are a technology company established in 1995, where people are a priority. A team of over 150 technology enthusiasts allowed us to implement hundreds of projects in the banking, insurance, e-commerce and other sectors. Many of them have gained recognition by winning awards in prestigious competitions. We are building a new, dedicated product team for a large-scale banking application and looking for a Senior Android Engineer to join from the ground up. This is a greenfield team setup - you will have direct influence on how the team works, what standards it follows, and how the product evolves. The application is built entirely on Kotlin Multiplatform (KMP) with Compose Multiplatform for shared UI across Android and iOS. We need people who work with agility - who thrive in short iterations, understand what they are building and why, and take ownership of delivering high-quality solutions end-to-end. Your Android expertise will be essential for platform-specific integrations and performance, but equally important is your ability to think in product terms: understanding user needs, challenging requirements, and proposing better approaches. Proficient, daily use of Agentic Engineering tools (Claude Code, Cursor) is a core expectation. Your Responsibilities: 🔹Design, develop, and maintain shared UI components and screens using Compose Multiplatform 🔹Contribute to shared business logic layer using Kotlin Multiplatform 🔹Own Android-specific platform integrations (permissions, notifications, biometrics, deep linking, app lifecycle) 🔹Build, extend, and maintain Design System components in Compose Multiplatform — ensure consistency, reusability, and alignment with design specifications across the product 🔹Participate actively in product discovery and sprint ceremonies — understand the why behind every feature, challenge assumptions, and propose better solutions 🔹Deliver working software in short iterations with high quality — own your work from concept through production 🔹Collaborate on architecture decisions and help establish best practices for the KMP/CMP codebase 🔹Write clean, testable, and well-documented code following Clean Architecture principles 🔹Conduct thorough code reviews focused on quality, consistency, and shared standards 🔹Collaborate closely with iOS engineers, backend teams, QA, product managers, and designers in a cross-functional product team 🔹Continuously improve development processes, tools, and CI/CD pipelines 🔹Leverage Agentic Engineering tools (Claude Code, Cursor, GitHub Copilot) daily for code generation, refactoring, test writing, and architectural exploration Who Are We Looking For? ✅Minimum 5 years of professional experience in native Android development ✅Expert-level proficiency in Kotlin ✅Strong experience with Jetpack Compose and Compose Multiplatform ✅Hands-on experience with Kotlin Multiplatform (KMP) in production environments ✅Deep understanding of architecture patterns: MVVM, MVI, Clean Architecture ✅Experience working with and contributing to a Design System — building reusable UI components, maintaining component libraries, ensuring design-to-code fidelity ✅Proven ability to work in agile, cross-functional product teams — short iterations, continuous delivery, close collaboration with product and design ✅Strong knowledge of Android platform specifics: lifecycle, permissions, notifications, Play Store distribution ✅Solid experience with testing frameworks (JUnit, MockK, Compose UI testing) ✅Proficiency with CI/CD tools and processes for mobile applications (GitHub Actions, Bitrise, Fastlane) ✅Proficient, daily use of AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) — ability to write effective prompts, critically verify AI outputs, and integrate these tools into standard engineering workflows ✅Product thinking — demonstrated ability to understand business context, user needs, and communicate technical trade-offs to non-technical stakeholders ✅Fluency in Polish and English (written and spoken) ✅Availability for occasional on-site sessions in Warsaw (workshops, kickoffs, planning events) ✅Ownership mindset — responsible for outcomes, not just tasks, with a proactive, can-do approach to problem-solving ✅Clear communicator and collaborative team player, comfortable working in a new and evolving team ✅Growth mindset with continuous learning and openness to experimenting with AI tools and sharing best practices Nice to Have: ✅Experience in fintech or banking sector ✅Knowledge of security best practices for financial applications ✅Experience with iOS platform specifics (helpful for shared UI debugging) ✅Experience with feature flags and A/B testing frameworks ✅Familiarity with Ktor (client and/or server-side) ✅Contributions to open-source projects ✅Experience working at scale (large user base, complex systems) ✅Experience joining or building a team from scratch What Can You Expect from Us? 🌍Fixed-term contract – with the possibility of extension 🌍Career & Development – Trainings, workshops, and collaboration with top industry experts 🌍Exciting Challenges – Work with leading financial market brands and award-winning projects 🌍Supportive Team – Knowledge sharing during Wednesday Wisdom meetings & tech breakfasts 🌍Autonomy & Innovation – We welcome your ideas and initiatives 🌍Stable Collaboration – Clear, transparent B2B agreements in line with current regulations, ensuring mutual trust and predictability 🌍Work-Life Balance – Flexible working hours and a culture that values personal time 🌍Hybrid or Remote Work Model – It’s up to you 🌍Perks & Benefits – Private medical care, Multisport card, English lessons, training budget, and more 🌍Trust & Transparency – Open communication and a culture of feedback Join us as a Senior Android Engineer (Kotlin Multiplatform) and help shape cutting-edge cross-platform solutions while working in a collaborative, growth-focused team!

🏢 Summary: Senior Mobile Engineer role focused on designing and delivering high-quality, scalable mobile applications for both iOS and Android in an international project. The position involves contributing to architecture decisions, ensuring performance and security, and maintaining code quality through best practices and testing. 🗂️ Requirements: 7+ years of mobile development experience, Strong experience with iOS development using Swift, Strong experience with Android development using Kotlin, Solid understanding of MVVM or Clean Architecture, Experience integrating RESTful APIs, Knowledge of mobile performance, scalability, and security best practices, Experience working with Agile methodologies (Scrum or Kanban) 📃 Skills: Swift, Kotlin, iOS, Android, MVVM, CleanArchitecture, REST, Performance, Scalability, Security, Agile, Scrum, Kanban 🏢 Description: We are looking for a Senior Mobile Engineer with strong experience in both iOS (Swift) and Android (Kotlin) to join an international project focused on building high-quality mobile applications. Main Responsibilities: Design, develop, and maintain mobile applications for both iOS and Android platforms Contribute to the architecture and technical decisions of mobile solutions Build scalable, high-performance, and user-focused applications Collaborate closely with Product Managers, Designers, and other Engineers Ensure code quality through best practices, code reviews, and testing Troubleshoot, debug, and optimize application performance Key Requirements: 7+ years of experience in mobile development Strong hands-on experience with: iOS (Swift) Android (Kotlin) Solid understanding of mobile architectures (e.g., MVVM, Clean Architecture) Experience integrating RESTful APIs Knowledge of mobile performance, scalability, and security best practices Experience with Agile methodologies (Scrum/Kanban) Strong problem-solving skills and attention to detail Good communication skills in English Nice to Have: Experience with cross-platform solutions (e.g., Kotlin Multiplatform, Flutter, React Native) Familiarity with CI/CD pipelines for mobile applications Experience with automated testing (unit/UI) Knowledge of mobile app distribution processes (App Store / Google Play)

🏢 Summary: Senior iOS Engineer role in a greenfield product team building a large-scale banking application using Kotlin Multiplatform and Compose Multiplatform. The position focuses on iOS platform integrations, native API bridging, shared UI development, and establishing best practices for KMP on iOS. You will own end-to-end delivery, contribute to architecture, and leverage AI-assisted engineering tools daily. 🗂️ Requirements: Minimum 5 years of professional experience in native iOS development, Expert-level proficiency in Swift, Working knowledge of Objective-C, Hands-on experience integrating Kotlin Multiplatform in iOS projects, Working knowledge of Kotlin and Compose Multiplatform, Strong understanding of iOS internals (UIKit/SwiftUI lifecycle, Keychain, ATS, entitlements, provisioning), Experience with MVVM, MVI, Clean Architecture, Experience building and maintaining Design Systems, Experience with Xcode build system and CocoaPods or SPM integration, Experience with testing frameworks for iOS and KMP, Experience with CI/CD for mobile applications, Daily proficiency with AI-assisted development tools (Claude Code, Cursor, GitHub Copilot), Fluency in Polish and English, Availability for occasional on-site work in Warsaw 📃 Skills: Swift, Objective-C, Kotlin, KMP, Compose, UIKit, SwiftUI, Xcode, CocoaPods, SPM, XCTest, Quick, Nimble, CI/CD, MVVM, MVI, ATS, Ktor, Claude, Cursor, Copilot 🏢 Description: Hi, nice you are here! 😊 Embrace change with Efigence! We are a technology company established in 1995, where people are a priority. A team of over 150 technology enthusiasts allowed us to implement hundreds of projects in the banking, insurance, e-commerce and other sectors. Many of them have gained recognition by winning awards in prestigious competitions. We are building a new, dedicated product team for a large-scale banking application and looking for a Senior iOS Engineer to join from the ground up. This is a greenfield team setup — you will have direct influence on how the team works, what standards it follows, and how the product evolves. The application is built entirely on Kotlin Multiplatform (KMP) with Compose Multiplatform for shared UI across Android and iOS. Your deep understanding of the iOS platform will be critical for platform-specific integrations, bridging native APIs, ensuring smooth App Store distribution, and optimizing the Compose Multiplatform experience on iOS. We need people who work with agility — who thrive in short iterations, understand what they are building and why, and take ownership of delivering high-quality solutions end-to-end. Equally important is your ability to think in product terms: understanding user needs, challenging requirements, and proposing better approaches. Fluent use of Agentic Engineering tools (Claude Code, Cursor) is a core expectation, not a bonus. Your Responsibilities: 🔹Contribute to shared UI development using Compose Multiplatform, ensuring excellent rendering and performance on iOS 🔹Own iOS-specific platform integrations: Keychain, biometrics (Face ID/Touch ID), push notifications, deep linking, app lifecycle, permissions 🔹Bridge native iOS APIs (Swift/Objective-C) with the KMP shared layer using expect/actual and native interop 🔹Build, extend, and maintain Design System components in Compose Multiplatform — ensure iOS platform fidelity, consistency, and reusability across the product 🔹Participate actively in product discovery and sprint ceremonies — understand the why behind every feature, challenge assumptions, and propose better solutions 🔹Deliver working software in short iterations with high quality — own your work from concept through production 🔹Collaborate on architecture decisions and help establish best practices for KMP/CMP on the iOS side 🔹Write clean, testable, and well-documented code following Clean Architecture principles 🔹Conduct thorough code reviews focused on quality, consistency, and shared standards 🔹Manage iOS-specific build, signing, and App Store submission processes 🔹Collaborate closely with Android engineers, backend teams, QA, product managers, and designers in a cross-functional product team 🔹Continuously improve development processes, tools, and CI/CD pipelines 🔹Use Agentic Engineering tools (Claude Code, Cursor, GitHub Copilot) daily for code generation, refactoring, testing, and exploration Who Are We Looking For? ✅Minimum 5 years of professional experience in native iOS development ✅Expert-level proficiency in Swift; working knowledge of Objective-C for interop scenarios ✅Strong understanding of iOS platform internals: UIKit/SwiftUI lifecycle, Keychain, App Transport Security, entitlements, provisioning ✅Hands-on experience with Kotlin Multiplatform (KMP) integration in iOS projects ✅Working knowledge of Kotlin and Compose Multiplatform sufficient for daily contribution to shared code ✅Deep understanding of architecture patterns: MVVM, MVI, Clean Architecture ✅Experience working with and contributing to a Design System — building reusable UI components, maintaining component libraries, ensuring design-to-code fidelity across platforms ✅Proven ability to work in agile, cross-functional product teams — short iterations, continuous delivery, close collaboration with product and design ✅Experience with Xcode build system, CocoaPods/SPM integration with KMP frameworks ✅Solid experience with testing frameworks (XCTest, Quick/Nimble, and KMP shared test suites) ✅Proficiency with CI/CD tools and processes for mobile applications ✅Proficient, daily use of AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) — effective prompting, critical verification of outputs, integration into engineering workflows ✅Product thinking — ability to understand business context, empathize with users, and communicate trade-offs to non-technical stakeholders ✅Fluency in Polish and English (written and spoken) ✅Availability for occasional on-site sessions in Warsaw (workshops, kickoffs, planning events) ✅Ownership mindset — responsible for outcomes, not just tasks, with a proactive, can-do approach to problem-solving ✅Clear communicator and collaborative team player, comfortable working in a new and evolving team ✅Growth mindset with continuous learning and openness to experimenting with AI tools and sharing best practices Nice to have: ✅Experience in fintech or banking sector ✅Knowledge of security best practices for financial applications ✅Experience with iOS platform specifics (helpful for shared UI debugging) ✅Experience with feature flags and A/B testing frameworks ✅Familiarity with Ktor (client and/or server-side) ✅Contributions to open-source projects ✅Experience working at scale (large user base, complex systems) ✅Experience joining or building a team from scratch What Can You Expect from Us? 🌍Fixed-term contract – with the possibility of extension 🌍Career & Development – Trainings, workshops, and collaboration with top industry experts 🌍Exciting Challenges – Work with leading financial market brands and award-winning projects 🌍Supportive Team – Knowledge sharing during Wednesday Wisdom meetings & tech breakfasts 🌍Autonomy & Innovation – We welcome your ideas and initiatives 🌍Stable Collaboration – Clear, transparent B2B agreements in line with current regulations, ensuring mutual trust and predictability 🌍Work-Life Balance – Flexible working hours and a culture that values personal time 🌍Hybrid or Remote Work Model – It’s up to you 🌍Perks u0026amp; Benefits – Private medical care, Multisport card, English lessons, training budget, and more 🌍Trust & Transparency – Open communication and a culture of feedback Join us as a Senior iOS Engineer (Kotlin Multiplatform) and help shape cutting-edge cross-platform solutions while working in a collaborative, growth-focused team!

🏢 Summary: Oferta dotyczy roli Mobile Solution Architect odpowiedzialnej za projektowanie i rozwój nowoczesnych aplikacji mobilnych oraz skalowalnych integracji wieloplatformowych. Stanowisko obejmuje definiowanie architektury opartej o clean architecture, CI/CD i rozwiązania chmurowe, a także mentoring zespołu developerskiego. Praca realizowana jest w modelu hybrydowym przy projektach dla międzynarodowych klientów. 🗂️ Requirements: Minimum 4 lata doświadczenia na stanowisku Architect / Tech Lead / Senior, Doświadczenie w tworzeniu natywnych aplikacji mobilnych, Znajomość Swift, Znajomość SwiftUI, Znajomość Kotlin, Znajomość wzorców projektowych, Znajomość clean code, Znajomość Scrum, Znajomość Agile, Doświadczenie z architekturą chmurową, Znajomość AWS, GCP lub Azure, Język angielski minimum B2 📃 Skills: Swift, SwiftUI, Kotlin, Flutter, React, Native, Scrum, Agile, AWS, GCP, Azure, CI/CD, iOS, Android 🏢 Description: Dla jednego z naszych Klientów, międzynarodowej firmy technologicznej, która projektuje, tworzy i rozwija innowacyjne aplikacje mobilne i webowe dla globalnych marek, poszukujemy doświadczonego Mobile Solution Architect'a. Twój zakres obowiązków Projektowanie, tworzenie i rozwój architektury najnowocześniejszych aplikacji mobilnych Tworzenie i wdrażanie skalowalnych integracji aplikacji na wielu platformach Wpływ na wydajność, bezpieczeństwo i jakość kodu poprzez definiowanie i egzekwowanie najlepszych praktyk Mentoring i wspieranie zespołu developerskiego, dzielenie się wiedzą Definiowanie architektury w oparciu o clean architecture, CI/CD i cloud solutions Wymagania: Minimum 4 lata doświadczenia na podobnym stanowisku (Architect / Tech Lead / Senior) Bardzo dobra znajomość i praktyka w tworzeniu natywnych aplikacji mobilnych Doświadczenia w stacku technologicznym na iOS i Android: Swift, Swift UI, Kotlin. Mile widziany także Flutter i React Native Znajomość wzorców projektowych i praktyk clean code Dobra znajomość metodyk zwinnych (Scrum/Agile) Doświadczenie w pracy z architekturą chmurową (AWS, GCP, Azure) Angielski min. B2 Oferujemy Stabilną i długofalową współpracę (UoP lub B2B) Hybrydowy model pracy – wtorki i czwartki w nowoczesnym biurze w Gdańsku Projekty dla międzynarodowych Klientów, w których realnie wpływasz na rozwiązania technologiczne Pakiet benefitów: prywatna opieka medyczna, Multisport, dofinansowanie nauki języków Środowisko otwarte na nowe pomysły i technologie

🏢 Summary: Oferta dotyczy roli Mobile Solution Architect odpowiedzialnej za projektowanie i rozwój nowoczesnych aplikacji mobilnych oraz definiowanie architektury opartej o clean architecture, CI/CD i rozwiązania chmurowe. Stanowisko obejmuje tworzenie skalowalnych integracji, dbanie o wydajność i bezpieczeństwo aplikacji oraz mentoring zespołu developerskiego. Praca realizowana jest w modelu hybrydowym przy międzynarodowych projektach technologicznych. 🗂️ Requirements: Minimum 4 lata doświadczenia na stanowisku Architect, Tech Lead lub Senior, Doświadczenie w tworzeniu natywnych aplikacji mobilnych, Znajomość Swift, Znajomość SwiftUI, Znajomość Kotlin, Znajomość wzorców projektowych, Znajomość clean code, Znajomość Scrum, Znajomość Agile, Doświadczenie z architekturą chmurową, Znajomość AWS, GCP lub Azure, Język angielski minimum B2 📃 Skills: Swift, SwiftUI, Kotlin, Flutter, ReactNative, AWS, GCP, Azure, Scrum, Agile, CI/CD, iOS, Android 🏢 Description: Dla jednego z naszych Klientów, międzynarodowej firmy technologicznej, która projektuje, tworzy i rozwija innowacyjne aplikacje mobilne i webowe dla globalnych marek, poszukujemy doświadczonego Mobile Solution Architect'a. Twój zakres obowiązków Projektowanie, tworzenie i rozwój architektury najnowocześniejszych aplikacji mobilnych Tworzenie i wdrażanie skalowalnych integracji aplikacji na wielu platformach Wpływ na wydajność, bezpieczeństwo i jakość kodu poprzez definiowanie i egzekwowanie najlepszych praktyk Mentoring i wspieranie zespołu developerskiego, dzielenie się wiedzą Definiowanie architektury w oparciu o clean architecture, CI/CD i cloud solutions Wymagania: Minimum 4 lata doświadczenia na podobnym stanowisku (Architect / Tech Lead / Senior) Bardzo dobra znajomość i praktyka w tworzeniu natywnych aplikacji mobilnych Doświadczenia w stacku technologicznym na iOS i Android: Swift, Swift UI, Kotlin. Mile widziany także Flutter i React Native Znajomość wzorców projektowych i praktyk clean code Dobra znajomość metodyk zwinnych (Scrum/Agile) Doświadczenie w pracy z architekturą chmurową (AWS, GCP, Azure) Angielski min. B2 Oferujemy Stabilną i długofalową współpracę (UoP lub B2B) Hybrydowy model pracy – wtorki i czwartki w nowoczesnym biurze w Gdańsku Projekty dla międzynarodowych Klientów, w których realnie wpływasz na rozwiązania technologiczne Pakiet benefitów: prywatna opieka medyczna, Multisport, dofinansowanie nauki języków Środowisko otwarte na nowe pomysły i technologie

🏢 Summary: Role for an experienced Mobile Solution Architect responsible for designing and developing scalable, secure mobile application architectures across iOS and Android platforms. The position involves defining clean architecture standards, implementing CI/CD and cloud-based solutions, and mentoring development teams. The offer includes work on international projects with real impact on technological solutions. 🗂️ Requirements: Minimum 4 years of experience as Architect, Tech Lead or Senior, Strong experience in native mobile application development, Commercial experience with iOS and Android technology stack, Knowledge of design patterns and clean code practices, Experience with cloud architecture solutions, Experience working in Agile/Scrum methodology, English level B2 or higher 📃 Skills: Swift, SwiftUI, Kotlin, Flutter, ReactNative, AWS, GCP, Azure, CI/CD, iOS, Android, Scrum, Agile, Cloud 🏢 Description: Dla jednego z naszych Klientów, międzynarodowej firmy technologicznej, która projektuje, tworzy i rozwija innowacyjne aplikacje mobilne i webowe dla globalnych marek, poszukujemy doświadczonego Mobile Solution Architect'a. Twój zakres obowiązków Projektowanie, tworzenie i rozwój architektury najnowocześniejszych aplikacji mobilnych Tworzenie i wdrażanie skalowalnych integracji aplikacji na wielu platformach Wpływ na wydajność, bezpieczeństwo i jakość kodu poprzez definiowanie i egzekwowanie najlepszych praktyk Mentoring i wspieranie zespołu developerskiego, dzielenie się wiedzą Definiowanie architektury w oparciu o clean architecture, CI/CD i cloud solutions Wymagania: Minimum 4 lata doświadczenia na podobnym stanowisku (Architect / Tech Lead / Senior) Bardzo dobra znajomość i praktyka w tworzeniu natywnych aplikacji mobilnych Doświadczenia w stacku technologicznym na iOS i Android: Swift, Swift UI, Kotlin. Mile widziany także Flutter i React Native Znajomość wzorców projektowych i praktyk clean code Dobra znajomość metodyk zwinnych (Scrum/Agile) Doświadczenie w pracy z architekturą chmurową (AWS, GCP, Azure) Angielski min. B2 Oferujemy Stabilną i długofalową współpracę (UoP lub B2B) Hybrydowy model pracy – wtorki i czwartki w nowoczesnym biurze w Gdańsku Projekty dla międzynarodowych Klientów, w których realnie wpływasz na rozwiązania technologiczne Pakiet benefitów: prywatna opieka medyczna, Multisport, dofinansowanie nauki języków Środowisko otwarte na nowe pomysły i technologie

🏢 Summary: Long-term role focused on designing and developing a scalable Design System component library for a banking mobile application using Kotlin Multiplatform. The position involves cross-platform mobile development, architectural decisions, and close collaboration with UX/UI and backend teams in an Agile environment. Emphasis is placed on code quality, performance, accessibility, and engineering best practices. 🗂️ Requirements: Minimum 5 years of experience in mobile application development, Strong knowledge of Kotlin and Android environment, Commercial experience with Kotlin Multiplatform, Experience with Compose Multiplatform and Jetpack Compose, Knowledge of SwiftUI and iOS platform, Experience in application architecture design (e.g. MVVM, Clean Architecture), Experience in financial or fintech projects, Knowledge of accessibility standards (WCAG) 📃 Skills: Kotlin, Android, KotlinMultiplatform, ComposeMultiplatform, JetpackCompose, SwiftUI, iOS, MVVM, CleanArchitecture, WCAG, Git, CI/CD, Jira, Docker 🏢 Description: Opis projektu: Projekt realizowany jest w ramach rozwoju nowoczesnych aplikacji mobilnych i webowych w sektorze bankowym, które są stale rozwijane i rozbudowywane o nowe funkcjonalności. Osoba na tym stanowisku dołączy do zespołu odpowiedzialnego za tworzenie i rozwój komponentów Design Systemu dla aplikacji mobilnej, co ma kluczowe znaczenie dla zapewnienia spójności i skalowalności interfejsu użytkownika. Praca odbywa się w metodyce Agile, w krótkich, dwutygodniowych sprintach, z naciskiem na wysoką jakość rozwiązań oraz współpracę między zespołami technologicznymi, UX/UI i biznesowymi. Projekt ma charakter długoterminowy i daje realny wpływ na rozwój kluczowych produktów cyfrowych w organizacji. Zakres zadań: Projektowanie i rozwój biblioteki komponentów dla aplikacji mobilnej z wykorzystaniem Kotlin Multiplatform. Współpraca z zespołami domenowymi, backendem oraz UX/UI przy tworzeniu skalowalnych rozwiązań. Utrzymywanie wysokiej jakości kodu poprzez code review oraz testy. Optymalizacja aplikacji pod kątem wydajności, dostępności oraz zgodności z WCAG. Wdrażanie dobrych praktyk inżynieryjnych oraz automatyzacji procesów. Udział w podejmowaniu decyzji architektonicznych. Wymagania: Minimum 5 lat doświadczenia w programowaniu aplikacji mobilnych. Bardzo dobra znajomość Kotlin oraz środowiska Android. Doświadczenie w pracy z Kotlin Multiplatform. Znajomość Compose Multiplatform oraz Jetpack Compose. Znajomość SwiftUI oraz platformy iOS. Doświadczenie w projektowaniu architektury aplikacji (np. MVVM, Clean Architecture). Umiejętność pracy zespołowej i komunikacji z zespołami produktowymi oraz biznesowymi. Doświadczenie w projektach z sektora finansowego lub fintech. Znajomość zasad dostępności (WCAG). Mile widziane: Znajomość narzędzi Git, CI/CD, Jira oraz Docker. Doświadczenie w pracy z procesami automatyzacji. Doświadczenie w budowie lub utrzymaniu design systemów.