Senior Mobile Developer (Android/iOS)

🏢 Summary: Senior Software Engineer role focused on developing a global passwordless authentication platform within identity and security domain. The position involves building and evolving microservices-based systems, contributing to architecture decisions, and implementing scalable, high-performance backend and/or frontend solutions. This is a product development role with real impact on globally used security solutions. 🗂️ Requirements: Minimum 5 years commercial experience as Fullstack, Backend or Frontend Developer, Strong knowledge of JavaScript and TypeScript, Commercial experience with React and/or Node.js, Experience working with microservices architecture, Practical experience with AI development tools, Experience with SQL and/or NoSQL databases, Knowledge of HTTP and REST API, Experience in frontend and/or backend testing, Very good English (min. B2+), Fluent Polish (min. C1) 📃 Skills: JavaScript, TypeScript, React, Node.js, NestJS, SQL, NoSQL, HTTP, REST, Microservices, AI, Testing 🏢 Description: Pracuj nad rozwiązaniami, które zabezpieczają cyfrową tożsamość milionów użytkowników na całym świecie! Dla naszego klienta, międzynarodowej firmy z branży usług informatycznych, poszukujemy Senior Software Engineera , który dołączy do organizacji budującej nowoczesną platformę passwordless authentication, wykorzystywaną na szeroką skalę. Dołączysz do jednego z kilku zespołów odpowiedzialnych za rozwój kluczowych obszarów identity & security, takich jak uwierzytelnianie użytkowników, wykrywanie nadużyć, weryfikacja tożsamości czy orkiestracja procesów bezpieczeństwa. Nie jest to rola utrzymaniowa – zespoły aktywnie rozwijają produkty, tworzą nowe funkcjonalności i pracują nad rozwiązaniami wykorzystywanymi w skali globalnej. Będziesz mieć realny wpływ na decyzje techniczne i architekturę rozwijanych systemów. Lokalizacja: Gdańsk Model pracy: Hybryda (częstotliwość pracy w biurze do ustalenia) Forma zatrudnienia: B2B lub umowa o pracę Wynagrodzenie: B2B: 170 - 190 PLN/h + VAT || UoP: 20.500 - 23.200 PLN brutto Zakres obowiązków: rozwój i współtworzenie systemów w architekturze mikroserwisowej, rozwój backendu - szukamy aktualnie osób specjalizujących się głównie w tym obszarze, projektowanie i implementacja nowych funkcjonalności w obszarze identity & security, udział w projektowaniu architektury systemu oraz podejmowaniu decyzji technicznych, praca nad skalowalnością, wydajnością oraz niezawodnością systemu, integracja pomiędzy różnymi komponentami platformy ( m.in . authentication, risk, identity flows), świadome wykorzystywanie narzędzi AI w codziennej pracy, udział w code review, dbanie o jakość kodu oraz standardy wytwarzania oprogramowania, praca w środowisku międzynarodowym (język angielski na co dzień). Oczekiwania: min. 5 lat doświadczenia komercyjnego jako Fullstack / Backend Developer, praktyczne doświadczenie z Node.js (mile widziany NestJS), bardzo dobra znajomość JavaScript, TypeScript, React, doświadczenie w pracy z architekturą mikroserwisową, praktyczne doświadczenie w pracy z narzędziami AI (np. Claude, Cursor, Juni lub podobne), umiejętność świadomego wykorzystywania AI w codziennej pracy, doświadczenie z bazami danych (SQL i/lub NoSQL), znajomość HTTP, REST API oraz nowoczesnych wzorców komunikacji, wiedza z obszaru testowania aplikacji (frontend i/lub backend), rozumienie działania implementowanych rozwiązań oraz ich konsekwencji architektonicznych, 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 w obszarze security / identity, znajomość OpenID, OAuth, SAML lub podobnych standardów, znajomość chmury (AWS / GCP) oraz narzędzi CI/CD. 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 hybrydową z przewagą pracy zdalnej.

🏢 Summary: Senior Android Mobile Developer role focused on building and enhancing Android test tools and backend components within a Token ID ecosystem for secure payment solutions. The position involves developing high-impact mobile applications and ensuring scalable, high-performance integrations with backend services. Work is delivered in a hybrid model as part of a long-term B2B contract. 🗂️ Requirements: 7+ years of professional experience, Strong Android development experience, Proficiency in Java 21, Experience with Spring Boot, Experience with REST APIs and Web Services, Knowledge of SQL, Experience with Kubernetes, Experience with Docker, Experience with Jenkins, Proficiency with IntelliJ, Experience with Claude, Experience with GenAI 📃 Skills: Android, Java, Spring, REST, SQL, Kubernetes, Docker, Jenkins, IntelliJ, Claude, GenAI 🏢 Description: We are looking for an experienced Senior Android Mobile Developer to join a project for a world-leading payment technology company . You will work on advanced Android tools within a Token ID ecosystem, contributing to high-impact mobile applications used globally. 🔧 Project Overview The project focuses on Token ID Android Tools development , including multiple mobile applications supporting secure payment solutions. 📍 Location & Work Model Location: Warsaw or Gdansk Work Mode: Hybrid (1-2 days hybrid from the office) ⏳ Contract Details Contract Type: B2B (details to be shared) Daily Rate: 1.100 PLN/day – 1.300 PLN/day 👤 Experience Minimum 7+ years of professional experience 🛠 Mandatory Skills Please ensure your CV clearly reflects hands-on experience with the following: Android Development Java 21 Spring Boot REST APIs & Web Services SQL Kubernetes (k8s) Docker Jenkins IntelliJ Claude Code GenAI 📱 Responsibilities Develop and maintain new features for Android test tools and their backend components Design, develop, and enhance Android-based tool applications within the Token ID ecosystem Work on the following engagement components: Issuer Mobile Application TR Mobile Application Terminal Mobile Application Demo Wallet Ensure high-quality, scalable, and well-performing code Optimize performance and ensure seamless backend integration Collaborate with cross-functional teams across the full SDLC Debug, troubleshoot, and continuously improve applications 🚀 Join us and be part of a cutting-edge project for a global payment technology leader, where your work will directly impact secure, large-scale mobile solutions used worldwide.If you’re ready to take on a challenging Android role and work with modern technologies - we’d love to hear from you!

🏢 Summary: Senior Mobile Architect role focused on defining and modernizing cross platform mobile SDKs for digital fraud prevention and customer authentication in financial services. The position involves driving architecture strategy, designing public APIs, ensuring security and performance, and leading SDK migration across iOS and Android. You will collaborate with cross functional teams to deliver scalable, secure, and high quality SDK solutions. 🗂️ Requirements: 10+ years experience in software engineering including mobile architecture, Experience designing and delivering mobile SDKs for external applications, Experience leading SDK modernization and migration without breaking integrations, Strong knowledge of API design, versioning, and backward compatibility, Experience with cross platform SDK packaging and distribution for Android and iOS, Knowledge of modular architecture and dependency management, Experience optimizing SDK performance and binary size, Understanding of mobile security practices and secure storage, Experience with observability tools and release engineering practices, Experience supporting CI CD and release processes 📃 Skills: Kotlin, Java, Swift, ObjectiveC, Gradle, Maven, AAR, XCFramework, SPM, CocoaPods, ProGuard, R8, CI/CD, Keychain, AndroidKeystore, SecureEnclave, Telemetry 🏢 Description: Project overview The project focuses on modernizing a cross platform mobile SDK used for digital fraud prevention and customer authentication in financial services. The goal is to design a scalable and secure architecture that simplifies partner integration, improves performance, and supports long term product growth. Team You will work in a cross functional distributed team that includes mobile engineers, architects, product owners, and security specialists. The team collaborates closely across platforms and regions, contributing to architecture decisions, roadmap planning, and design validation activities. Position overview We are looking for a Senior Mobile Architect who will define and drive the target architecture and modernization strategy for mobile SDKs across iOS and Android platforms. You will establish engineering standards, design public APIs, guide migration strategy, and collaborate with product and engineering teams to ensure consistent and high quality delivery. Technology stack Kotlin, Java, Swift, Objective C, Gradle, Maven, AAR, XCFramework, Swift Package Manager, CocoaPods, ProGuard, R8, CI CD pipelines, telemetry tools, Keychain, Android Keystore, Secure Enclave Responsibilities Define and evolve the target architecture for mobile SDKs across iOS and Android Design and maintain clear and stable public API contracts with versioning strategy Develop modernization roadmap and support incremental migration of existing SDKs Collaborate with engineering and product teams to align architecture with business goals Establish standards for SDK distribution, integration, and lifecycle management Ensure compatibility across platforms, OS versions, and partner environments Drive improvements in SDK stability, performance, and developer experience Optimize SDK footprint including binary size, startup impact, and resource usage Define and enforce security and data protection practices within the SDK Contribute to proof of concept implementations to validate architectural decisions Guide observability practices including logging, telemetry, and error tracking Support CI CD and release processes for consistent and reliable SDK delivery Requirements 10+ years of experience in software engineering including mobile architecture Hands on experience designing and delivering mobile SDKs used by external applications Experience leading modernization initiatives and migrating live SDKs without breaking integrations Strong understanding of API design including versioning and backward compatibility Experience with cross platform SDK packaging and distribution for Android and iOS Knowledge of modular architecture and dependency management strategies Experience optimizing SDK performance including binary size, startup time, and resource usage Understanding of mobile security practices including secure storage and certificate pinning Familiarity with privacy and compliance requirements in mobile applications Experience with observability tools and release engineering practices Strong communication skills and experience collaborating with multiple stakeholders Nice to have Experience in financial services, fraud prevention, or enterprise security solutions Familiarity with anti tampering techniques and runtime protection approaches Experience with remote configuration and feature flag systems Knowledge of platform specific background execution and system constraints Exposure to sensor based or behavioral data processing in mobile applications 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 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: Opportunity for a Senior Android Developer to build and scale a large consumer mobile application used daily by millions across Europe. The role focuses on delivering a high-quality native Android experience, contributing to architecture decisions, and improving engineering standards within a growing product. You will work in cross-functional teams to develop scalable, maintainable, and high-performance mobile solutions. 🗂️ Requirements: 5+ years commercial experience in Android development, Strong hands-on experience with Kotlin, Strong hands-on experience with Java, Experience refactoring and improving existing codebases, Solid understanding of MVVM architecture, Knowledge of Clean Architecture principles, Understanding of SOLID principles, Experience with Git, Experience with CI/CD pipelines, Experience with release management processes, Strong knowledge of Android development best practices, Understanding of Material Design principles, Experience working in Agile cross-functional teams, Professional English proficiency 📃 Skills: Android, Kotlin, Java, MVVM, CleanArchitecture, SOLID, Git, CI/CD, MaterialDesign, Agile 🏢 Description: Senior Android Developer About the Project Join a team building one of Europe's leading mobile applications, used daily by millions of users. The product is undergoing rapid growth and international expansion, with a strong focus on scaling its mobile platform and delivering a best-in-class native Android experience across multiple European markets. We are looking for an experienced Senior Android Developer who wants to have a real impact on product development, mobile architecture, and engineering standards while working on a large-scale consumer application. Your Responsibilities Develop high-quality, testable, and maintainable Android applications. Contribute to architectural decisions and help build scalable mobile solutions. Participate in code reviews and promote engineering best practices. Collaborate closely with Product Managers, Designers, QA Engineers, and other development teams. Create and maintain technical documentation and specifications. Continuously improve development processes, tools, and workflows. Evaluate and implement new technologies to enhance application performance and development efficiency. Requirements 5+ years of commercial experience in Android development. Strong hands-on experience with Kotlin and Java. Proven experience in refactoring and improving existing codebases. Solid understanding of MVVM, Clean Architecture, and SOLID principles. Experience with Git, CI/CD pipelines, and release management processes. Strong knowledge of Android development best practices. Understanding of Material Design and modern mobile UI/UX principles. Experience working in Agile, cross-functional teams. Good communication skills and professional English proficiency. Nice to Have Experience working on large-scale mobile applications with a significant user base. Familiarity with modern Android libraries and frameworks. Experience with performance optimization and application monitoring. Interest in mobile platform development and engineering excellence.

🏢 Summary: Oferta dotyczy roli Senior Mobile Engineer odpowiedzialnego za projektowanie i rozwój biblioteki komponentów (design systemu) dla nowej aplikacji mobilnej banku w oparciu o Kotlin Multiplatform. Projekt obejmuje budowę skalowalnego, bezpiecznego i wysokiej jakości rozwiązania z naciskiem na architekturę oraz najlepsze praktyki inżynieryjne. Praca realizowana jest w pełni zdalnie w sektorze bankowym. 🗂️ Requirements: Minimum 5 lat doświadczenia w programowaniu aplikacji mobilnych, Bardzo dobra znajomość Kotlin i środowiska Android, Minimum 1–2 lata doświadczenia z Kotlin Multiplatform, Znajomość Compose Multiplatform, Doświadczenie w projektowaniu architektury aplikacji (MVVM, Clean Architecture), Znajomość SwiftUI, Znajomość platformy iOS, Znajomość Jetpack Compose 📃 Skills: Kotlin, Android, KotlinMultiplatform, ComposeMultiplatform, SwiftUI, iOS, MVVM, CleanArchitecture, JetpackCompose 🏢 Description: Informacje o projekcie: Branża: bankowość Lokalizacja: zdalnie Stawka ~ 140 pln/h netto + Vat Wprowadzenie i podsumowanie: Poszukujemy doświadczonego Senior Mobile Engineer do pracy nad systemem designu dla nowej aplikacji mobilnej banku. Stanowisko wymaga głębokiej znajomości Kotlin oraz Kotlin Multiplatform, a także umiejętności współpracy z zespołami i dbałości o wysoką jakość kodu. Główne obowiązki: Projektowanie i rozwój biblioteki komponentów dla nowej aplikacji mobilnej banku z użyciem Kotlin Multiplatform (KMM). Współpraca z innymi zespołami (squady domenowe, backend, UX/UI) przy tworzeniu skalowalnego i bezpiecznego rozwiązania. Utrzymywanie wysokiej jakości kodu poprzez code review, testy jednostkowe i integracyjne. Optymalizacja kodu pod kątem wydajności, dostępności i zgodności z WCAG. Wdrażanie najlepszych praktyk inżynieryjnych (w tym CI/CD, automatyzacji testów związanych z procesem wytwarzania biblioteki). Aktywny udział w decyzjach architektonicznych. Kluczowe wymagania: Minimum 5 lat doświadczenia w programowaniu aplikacji mobilnych. Doskonała znajomość Kotlin oraz środowiska Android. Minimum 1-2 lata doświadczenia z Kotlin Multiplatform. Znajomość Compose Multiplatform. Doświadczenie w tworzeniu architektury aplikacji (np. MVVM, Clean Architecture). Znajomość SwiftUI i platformy iOS. Znajomość Jetpack Compose. Znajomość narzędzi Git, CI/CD, Jira, Docker (mile widziane). Umiejętność pracy zespołowej i komunikacji z zespołami produktowymi i biznesowymi. Wymagania mile widziane: Doświadczenie w projektach z sektora finansowego lub fintech. Praktyczna wiedza z zakresu WCAG.

🏢 Summary: Senior Android Mobile Developer role on a large-scale financial/payments platform focused on Token ID Android tools development. The position involves building and enhancing Android applications and backend components in a high-performance, secure, and scalable environment using modern technologies. Hybrid work from Warsaw with a long-term engagement on a globally distributed system. 🗂️ Requirements: Minimum 7+ years of experience in Android development, Strong experience with backend development using Spring Boot, Hands-on experience with Kubernetes and Docker, Experience with Jenkins for CI/CD, Proficiency in Java 21, Experience with SQL databases, Experience building and consuming REST and Web Services, Experience with IntelliJ, Experience with GenAI tools including Claude Code, Ability to develop and integrate Android applications with backend services 📃 Skills: Android, Java, SpringBoot, Kubernetes, Docker, Jenkins, IntelliJ, SQL, REST, WebServices, GenAI, Claude, CI/CD 🏢 Description: Senior Android Mobile Developer 📌 We’re looking for an experienced Senior Android Mobile Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 Hybrid from Warsaw - 2-3 days per week Role Details: Duration: Minimum 6 months and will be extended Years of exp: Minimum 7+ Years Details about the project they would be working on: Token ID Android Tools development Job description: Mandatory skills : Android Development, Spring boot, k8s, Docker, Jenkins, IntelliJ, claude code, GenAI, Java 21, SQL, rest, Web Services Roles and Responsibilities: Develop and maintain new features for Android test tools and their backend components. Contribute to the design, development, and enhancement of various Android‑based tool applications used within the Token ID ecosystem. Deliver the following engagement components: Issuer Mobile Application TR Mobile Application Terminal Mobile Application Demo Wallet Ensure high‑quality code, performance optimization, and smooth integration with backend services. Collaborate with cross‑functional teams to support the full development lifecycle, including design, development, testing, and deployment. Troubleshoot issues, debug applications, and contribute to continuous improvements. ✅ Benefits: Work with modern technologies and international teams Long-term and stable cooperation Professional growth opportunities 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: B2B remote role for a Senior Mobile Engineer to build a modern banking mobile application and develop a shared component library using Kotlin Multiplatform. The position focuses on scalable, secure mobile architecture, cross-platform development, and high code quality within a Scrum team. 🗂️ Requirements: Minimum 5 years of mobile application development experience, Very good knowledge of Kotlin and Android environment, At least 1–2 years of experience with Kotlin Multiplatform, Experience with Compose Multiplatform, Experience in mobile architecture design (MVVM, Clean Architecture or similar), Knowledge of SwiftUI and iOS platform, Knowledge of Jetpack Compose, Experience with code reviews and unit/integration testing, Experience with CI/CD and test automation, Experience in banking sector 📃 Skills: Kotlin, Android, KMM, Compose, SwiftUI, iOS, Jetpack, MVVM, CleanArchitecture, CI/CD, Git, Docker, Jira, WCAG, Scrum 🏢 Description: Senior Mobile Engineer RITS Group to firma informatyczna, która oferuje najwyższej jakości usługi programistyczne zarówno dla rynku polskiego, jak i międzynarodowego. Jesteśmy dumni, że należymy do grona najszybciej rozwijających się spółek technologicznych. Naszym priorytetem jest jakość oraz innowacyjność dostarczanych rozwiązań, a nasza kultura organizacyjna opiera się na zaufaniu, współpracy i ciągłym doskonaleniu. Oferujemy 📍 Praca w modelu zdalnym 💼 Forma współpracy: B2B 💰 Stawka: 100 - 140 PLN/h 🛠 Metodyka pracy: Scrum O projekcie Dołączysz do zespołu odpowiedzialnego za budowę nowoczesnej aplikacji mobilnej dla sektora bankowego. Poszukujemy doświadczonego Senior Mobile Engineera, który będzie współtworzył bibliotekę komponentów opartą o Kotlin Multiplatform oraz wspierał rozwój skalowalnej i bezpiecznej architektury mobilnej. Obowiązki Projektowanie i rozwój biblioteki komponentów dla nowej aplikacji mobilnej banku z wykorzystaniem Kotlin Multiplatform (KMM) Współpraca z innymi zespołami (squady domenowe, backend, UX/UI) przy tworzeniu skalowalnego i bezpiecznego rozwiązania Utrzymywanie wysokiej jakości kodu poprzez code review, testy jednostkowe i integracyjne Optymalizacja kodu pod kątem wydajności, dostępności oraz zgodności z WCAG Wdrażanie najlepszych praktyk inżynieryjnych, w tym CI/CD oraz automatyzacji testów związanych z procesem wytwarzania biblioteki Aktywny udział w decyzjach architektonicznych Wymagania Minimum 5 lat doświadczenia w programowaniu aplikacji mobilnych Bardzo dobra znajomość Kotlin oraz środowiska Android Minimum 1–2 lata doświadczenia z Kotlin Multiplatform Znajomość Compose Multiplatform Doświadczenie w projektowaniu architektury aplikacji (MVVM, Clean Architecture lub podobne) Znajomość SwiftUI oraz platformy iOS Znajomość Jetpack Compose Znajomość narzędzi Git, CI/CD, Jira oraz Docker będzie dodatkowym atutem Umiejętność pracy zespołowej oraz skutecznej komunikacji z zespołami produktowymi i biznesowymi Aktualne lub wcześniejsze doświadczenie w sektorze bankowym Mile widziane Doświadczenie w projektach z sektora finansowego lub fintech Praktyczna wiedza z zakresu WCAG 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! Nr ref.: 36/5/2026/r/3526

🏢 Summary: Senior Android Developer role focused on building business-critical native Android applications in Kotlin for next-generation premium electric vehicles. The position combines hands-on development with technical ownership, including code reviews and mentoring, in a complex automotive environment. Strong emphasis on quality, performance, scalability, and integration-focused functionality. 🗂️ Requirements: 5+ years Android application development experience, Strong experience with native Android development in Kotlin, Solid understanding of Android development lifecycle, Strong knowledge of Kotlin Coroutines and asynchronous programming, Experience with software design patterns and modular architecture, Experience building business-critical and integration-focused features, Experience with unit testing and debugging, Ability to maintain high code quality standards, Experience working with Jira and Confluence, Upper-Intermediate English or higher 📃 Skills: Kotlin, Android, Coroutines, UnitTesting, Jira, Confluence, Embedded, Automotive 🏢 Description: About the project We are looking for a Senior Android Developer to join an innovative automotive project focused on next-generation electric mobility solutions . You will work with a European R&D center delivering premium digital products and technologies for some of the world’s leading automotive brands. The project is focused on building business-critical Android applications that support the future of premium electric vehicles . This is a great opportunity to join a fast-paced, engineering-driven environment where quality, performance, and reliability are essential. Your role As a Senior Android Developer , you will be responsible for designing and developing native Android applications in Kotlin , with a strong focus on business logic, integrations, code quality, and maintainability . This role combines hands-on development with technical ownership — including code reviews, mentoring, and cross-team collaboration in a complex automotive environment. Tech stack / environment Kotlin Native Android Kotlin Coroutines Unit testing Jira / Confluence Automotive / Embedded environment What you’ll do Design and develop native Android applications in Kotlin Build and maintain business-critical features and integration-related functionality Write clean, maintainable, and testable code Apply design patterns and best engineering practices to create scalable and well-structured solutions Collaborate with cross-functional teams in a complex product environment Perform code reviews and support high engineering standards Contribute to unit testing , bug fixing, and continuous quality improvements Help solve technical challenges and communicate solutions clearly Support and mentor other team members in mobile development What we’re looking for 5+ years of experience in Android application development Strong hands-on experience building native Android applications in Kotlin Solid understanding of the Android development lifecycle Strong knowledge of Kotlin Coroutines and asynchronous programming Experience writing maintainable, testable, and well-structured code Experience designing and developing business-critical and integration-focused functionality Good understanding of software design patterns and modular application architecture Experience with unit testing , debugging, and code quality practices Ability to work independently in a fast-paced environment Strong communication skills and ability to explain technical challenges and solutions clearly Experience working with Jira and Confluence Upper-Intermediate English or higher Nice to have Experience in the Embedded Automotive domain Experience with Head Unit Android Apps Experience in technically complex, multi-team product environments Perks and Benefits: Flexible work schedule Fixed financial bonus issued upfront on a quarterly basis, covering the average market price of private medical care and sport card - B2B contract Present on the occasion of birthday, wedding, child birth E-learning accounts for Coursera, O'Relly, Udemy Corporate language school

🏢 Summary: Senior/Lead Mobile Developer role focused on leading the design and development of advanced iOS and Android applications using Swift and Kotlin. The position involves architecting scalable mobile solutions, ensuring high code quality, and driving best practices across the development lifecycle. You will also provide technical leadership while delivering secure, high-performance mobile applications. 🗂️ Requirements: 3+ years experience with Swift for iOS development, 3+ years experience with Kotlin for Android development, Experience leading or mentoring development teams, Experience with RESTful APIs and backend integration, Experience with third-party libraries, Experience with CI/CD pipelines, Experience with automated testing, Experience with deployment processes, Knowledge of mobile architecture best practices, Experience with performance optimization and debugging, Knowledge of mobile security best practices 📃 Skills: Swift, Kotlin, iOS, Android, REST, CICD, APIs, AutomatedTesting, Deployment, Architecture, Security, Libraries, Backend 🏢 Description: We are looking for a highly skilled Senior/Lead Mobile Developer with deep expertise in Swift/Kotlin to join our mobile development team. In this role, you will lead the design, development, and optimization of cutting-edge applications, ensuring best practices in architecture, code quality, and user experience. You will mentor junior developers, collaborate with cross-functional teams, and play a key role in shaping our mobile strategy. Responsibilities Lead the design, development, and deployment of advanced iOS and Android applications using Swift and/or Kotlin Architect robust, scalable, and maintainable codebases, ensuring adherence to best practices and coding standards Collaborate with product managers, designers, and backend engineers to deliver seamless user experiences Mentor and guide junior developers, conducting code reviews and providing technical leadership Stay up-to-date with the latest iOS/Android trends, technologies, and best practices Troubleshoot, debug, and optimize application performance Ensure the security and privacy of user data in compliance with industry standards Requirements Extensive experience developing iOS applications with Swift (3+ years) Extensive experience developing Android applications with Kotlin (3+ years) Proven track record of leading or mentoring development teams Experience with RESTful APIs, third-party libraries, and integration of backend services Familiarity with CI/CD pipelines, automated testing, and deployment processes Good work ethic and strong sense of ownership of the end result Excellent verbal and written communication skills, B2 level of English We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.