Senior Android Kotlin Developer

🏢 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: Mid-Level Kotlin Android Developer role focused on building secure, scalable mobile applications using modern Android technologies and architecture patterns. The position involves developing Kotlin-based apps with Jetpack Compose, integrating network services, and maintaining CI/CD pipelines in a hybrid Kraków-based setup. The role emphasizes high-quality, user-centric solutions within distributed teams. 🗂️ Requirements: Minimum 4 years of Android development experience with Kotlin, Strong knowledge of Android framework, Experience with Retrofit, Coroutines, and Room, Experience with MVP, MVVM, and Clean Architecture, Practical experience with CI/CD processes, Knowledge of mobile security practices including SSL pinning and encrypted data storage, Ability to troubleshoot and resolve technical issues, Fluent English (spoken and written), Legal right to work in the European Union 📃 Skills: Kotlin, Android, JetpackCompose, Retrofit, Coroutines, Room, ViewModel, LiveData, Koin, Dagger, Hilt, MVP, MVVM, CleanArchitecture, CICD, SSL, Encryption, Authentication, Flow 🏢 Description: Ignite the future of mobile innovation — shape seamless user experiences with Kotlin! Kraków-based opportunity with hybrid work model As a Mid-Level Kotlin Android Developer , you will be working for our client, a leader in digital transformation within the mobile platform industry. You will contribute to the development of cutting-edge mobile applications that enhance customer engagement and drive innovation in a data-driven world. Join a team committed to building secure, scalable, and user-centric digital solutions for today’s dynamic market. Your main responsibilities: Develop and enhance mobile applications in Kotlin, utilizing Jetpack Compose for modern UI design. Design and implement solutions based on MVP and MVVM architecture patterns. Integrate apps with network services using Retrofit and manage application state with ViewModel and LiveData. Manage dependencies effectively with tools such as Koin, Dagger, or Hilt. Create and maintain robust CI/CD pipelines to streamline deployment processes. Ensure application security by implementing secure data storage and network communication protocols. Participate in code reviews, retrospectives, and collaboration within distributed teams. Troubleshoot and resolve production incidents, ensuring high-quality user experiences. You're ideal for this role if you have: Minimum 4 years of experience in Android application development with Kotlin. Very good knowledge of Android framework and libraries such as Retrofit, Coroutines, Room. Strong understanding of application lifecycle, modularity principles, and dependency management. Practical experience with CI/CD processes. Familiarity with design patterns MVP, MVVM, and Clean Architecture. Knowledge of mobile security best practices including SSL pinning, encrypted data storage, and user authentication. Ability to diagnose and troubleshoot technical issues efficiently. Excellent communication skills in English (fluent level). Willingness to work in distributed teams and participate actively in knowledge sharing. It is a strong plus if you have: Certifications related to Android development or security. Experience with asynchronous programming models like Flow. Language required for the role: Excellent command of English, fluent in both spoken and written communication. Eligibility to work in this role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Mid-Level Kotlin Android Developer role focused on building secure, scalable Android applications using modern architectures and tools in a hybrid Krakow-based model. The position involves developing Kotlin applications with Jetpack Compose, integrating network services, and implementing CI/CD pipelines while ensuring high mobile security standards. You will collaborate in distributed teams to deliver robust digital mobile solutions. 🗂️ Requirements: Minimum 4 years of Android development experience in Kotlin, Strong knowledge of Android frameworks and libraries: Retrofit, Coroutines, Room, Hands-on experience with Android Lifecycle, ViewModel, LiveData, Experience with MVP, MVVM, Clean Architecture design patterns, Practical experience with CI/CD pipelines, Knowledge of secure data storage, SSL pinning, authentication mechanisms, Understanding of modularization and dependency management, Ability to troubleshoot production issues, Fluent English (spoken and written), Legal right to work in the European Union 📃 Skills: Kotlin, Android, Jetpack, Compose, Retrofit, Coroutines, Room, Lifecycle, ViewModel, LiveData, MVP, MVVM, CleanArchitecture, Koin, Dagger, Hilt, CI/CD, SSL, Flow 🏢 Description: Empower Mobile Innovation — Drive Secure and Seamless Digital Experiences! Krakow-based opportunity with hybrid work model. As a Mid-Level Kotlin Android Developer, you will be working on developing cutting-edge Android applications that enhance customer engagement and strengthen security measures. The role focuses on delivering robust, scalable mobile solutions in a rapidly evolving digital landscape. Quick Facts: - Hybrid work model based in Krakow - Fluent English required (spoken and written) - Only candidates with an existing legal right to work in the European Union will be considered Responsibilities: - Create and develop Android applications in Kotlin, using Jetpack Compose for modern UI design - Design and implement solutions following MVP and MVVM design patterns, ensuring modularity and maintainability - Integrate applications with network services using Retrofit, ensuring secure and reliable communication - Manage dependencies using Koin, Dagger, or Hilt - Build and maintain CI/CD pipelines to streamline deployment cycles - Apply best practices in mobile security, including encrypted data storage and secure network protocols - Diagnose and resolve application issues, including production incidents - Collaborate in distributed teams, participating in code reviews, retrospectives, and knowledge sharing Requirements: - Minimum of 4 years of experience developing Android applications in Kotlin - Strong proficiency with Android frameworks and libraries: Retrofit, Coroutines, Room - Hands-on experience with Android Lifecycle, ViewModel, and LiveData - Solid understanding of modularization principles and dependency management - Practical experience establishing and maintaining CI/CD pipelines - Familiarity with MVP, MVVM, and Clean Architecture - Knowledge of mobile security best practices: secure data storage, SSL pinning, authentication mechanisms - Ability to troubleshoot and resolve complex technical issues, including in production environments - Willingness to work in distributed teams and actively participate in code reviews Nice to Have: - Experience with Flow for asynchronous programming - Certifications related to Android development or cybersecurity

🏢 Summary: Senior Android Developer role focused on building foundational components, SDKs, and core application architecture for automotive-related Android projects using Kotlin and XML-based UI. The position involves working with Clean Architecture and MVI in complex multi-module, multi-flavor Gradle environments, integrating vehicle APIs, and ensuring high code quality. The role also emphasizes effective use of AI-assisted development tools to enhance productivity. 🗂️ Requirements: Excellent knowledge of Kotlin and modern Android fundamentals, Proficiency with XML layouts and Custom Views, Strong understanding of Clean Architecture and MVI, Experience with multi-module and multi-flavor Gradle projects, Hands-on experience with Coroutines, Retrofit, Room, and Hilt, Basic knowledge of unit testing, Experience integrating external APIs, Ability to use AI development tools for code generation and refactoring 📃 Skills: Kotlin, Java, Android, XML, MVI, Coroutines, RxJava2, Retrofit, Room, DataStore, SharedPreferences, Hilt, Gradle, Figma, GitHub, ADB, logcat, CLI, Copilot, Claude 🏢 Description: We are currently looking for a Senior Android Developer with experience in the automotive industry. Tech Stack Language: Kotlin (with Java interoperability) UI: XML Layouts + Custom Views (no Jetpack Compose) Architecture: Clean Architecture + MVI (preferred) Asynchronous Programming: Coroutines, RxJava2 Data: Retrofit, Room, DataStore / SharedPreferences DI: Hilt Build System: Complex, multi-flavor, and multi-module Gradle configuration Collaboration: Figma, GitHub Debugging: ADB, logcat, basic CLI AI Utilization: AI-assisted software development (prompt engineering, code generation, refactoring, debugging) using tools such as GitHub Copilot and Claude Requirements: Excellent knowledge of Kotlin and modern Android fundamentals Proficiency in working with XML layouts and Custom Views Solid understanding of Clean Architecture + MVI (ability to extend/develop existing flows and processes) Experience with multi-module and multi-flavor projects Hands-on experience with tools: Coroutines, Retrofit, Room, Hilt Basic knowledge of unit testing Effective use of AI tools to increase development efficiency Responsibilities Designing and implementing foundation components and SDKs for Android Creating the core application structure and reference examples Integrating vehicle-related APIs (both real and mocked) Ensuring high code quality, stability, and documentation

🏢 Summary: B2B offer for an experienced Android Developer to build and maintain mobile banking applications using Kotlin and Kotlin Multiplatform in a hybrid setup. The role involves implementing new features, refactoring code, applying Clean Architecture and MVVM, and ensuring high code quality through testing. You will work in an Agile team and contribute to cross-platform mobile development. 🗂️ Requirements: Minimum 3 years of Android development experience (Regular) or 6 years (Senior), Strong proficiency in Kotlin, Commercial experience with Jetpack Compose, Hands-on experience with Kotlin Multiplatform, Experience with Compose Multiplatform, Knowledge of Clean Architecture, Knowledge of MVVM, Experience with unit and UI testing, Experience with Espresso, JUnit, MockK, Ability to work in Agile environment 📃 Skills: Kotlin, Android, Jetpack, Compose, KotlinMultiplatform, ComposeMultiplatform, CleanArchitecture, MVVM, Espresso, JUnit, MockK, Agile 🏢 Description: Branża: bankowość Lokalizacja: Warszawa/Kraków/Gdańsk (praca hybrydowa) Stawka: jesteśmy otwarci na propozycje Forma współpracy: B2B Wprowadzenie i podsumowanie: Poszukujemy doświadczonego Android Developera ze znajomością Kotlin Multiplatform oraz związanych z nim technologii, który dołączy do zespołu rozwijającego aplikacje bankowe. Idealny kandydat powinien posiadać minimum 3-letnie doświadczenie w programowaniu aplikacji na Androida oraz umiejętność implementacji rozwiązań w architekturze Clean Architecture i MVVM. Główne obowiązki: - Rozwój i utrzymanie aplikacji mobilnych. - Współpraca z zespołem w metodzie Agile. - Implementacja nowych funkcjonalności oraz refaktoryzacja istniejącego kodu. - Testowanie aplikacji zgodnie z najlepszymi praktykami. - Mentoring młodszych członków zespołu (w przypadku Seniora). Wymagania kluczowe: - Programowanie w Kotlin oraz Jetpack Compose. - Doświadczenie z Kotlin Multiplatform i Compose Multiplatform. - Znajomość architektury Clean Architecture, MVVM. - Testowanie aplikacji: Espresso, JUnit, MockK. - Minimum 3 lata doświadczenia dla poziomu Regular oraz 6 lat dla poziomu Senior. Miłe widziane umiejętności: - Doświadczenie w sektorze bankowym. Inne szczegóły: - Praca hybrydowa: Kraków / Gdańsk / Warszawa; 1-2 razy w tygodniu z biura. - Język polski: komunikatywny w mowie i piśmie. - Język angielski: minimum w stopniu umożliwiającym pracę z dokumentacją techniczną.

🏢 Summary: B2B offer for an experienced Android Developer to build and maintain banking mobile applications using Kotlin Multiplatform. The role focuses on developing new features, refactoring code, and ensuring high quality through testing within Clean Architecture and MVVM. Work is delivered in an Agile team with a hybrid model. 🗂️ Requirements: Minimum 3 years experience in Android development (6 years for Senior), Proficiency in Kotlin, Experience with Jetpack Compose, Experience with Kotlin Multiplatform, Experience with Compose Multiplatform, Knowledge of Clean Architecture, Knowledge of MVVM, Experience with Espresso, Experience with JUnit, Experience with MockK 📃 Skills: Kotlin, Android, Jetpack, Compose, KotlinMultiplatform, ComposeMultiplatform, CleanArchitecture, MVVM, Espresso, JUnit, MockK, Agile 🏢 Description: Branża: bankowość Lokalizacja: Warszawa/Kraków/Gdańsk (praca hybrydowa) Stawka: jesteśmy otwarci na propozycje Forma współpracy: B2B Wprowadzenie i podsumowanie: Poszukujemy doświadczonego Android Developera ze znajomością Kotlin Multiplatform oraz związanych z nim technologii, który dołączy do zespołu rozwijającego aplikacje bankowe. Idealny kandydat powinien posiadać minimum 3-letnie doświadczenie w programowaniu aplikacji na Androida oraz umiejętność implementacji rozwiązań w architekturze Clean Architecture i MVVM. Główne obowiązki: - Rozwój i utrzymanie aplikacji mobilnych. - Współpraca z zespołem w metodzie Agile. - Implementacja nowych funkcjonalności oraz refaktoryzacja istniejącego kodu. - Testowanie aplikacji zgodnie z najlepszymi praktykami. - Mentoring młodszych członków zespołu (w przypadku Seniora). Wymagania kluczowe: - Programowanie w Kotlin oraz Jetpack Compose. - Doświadczenie z Kotlin Multiplatform i Compose Multiplatform. - Znajomość architektury Clean Architecture, MVVM. - Testowanie aplikacji: Espresso, JUnit, MockK. - Minimum 3 lata doświadczenia dla poziomu Regular oraz 6 lat dla poziomu Senior. Miłe widziane umiejętności: - Doświadczenie w sektorze bankowym. Inne szczegóły: - Praca hybrydowa: Kraków / Gdańsk / Warszawa; 1-2 razy w tygodniu z biura. - Język polski: komunikatywny w mowie i piśmie. - Język angielski: minimum w stopniu umożliwiającym pracę z dokumentacją techniczną.

🏢 Summary: Senior Android Engineer role focused on building and maintaining a large-scale mobile product using Kotlin and Jetpack Compose, with strong ownership of architecture, scalability, and code quality. The position involves working within a mature Android ecosystem, ensuring high performance and robust engineering standards. Candidates are expected to contribute autonomously to mobile architecture and delivery processes. 🗂️ Requirements: Strong Kotlin proficiency, Experience with Jetpack Compose, Deep knowledge of Android SDK, Understanding of OOP principles, Knowledge of algorithms, Knowledge of data structures, Experience with Gradle build systems, Experience with CI pipelines, Ability to work autonomously, Strong problem-solving skills 📃 Skills: Kotlin, Compose, Android, AndroidSDK, OOP, Algorithms, DataStructures, Gradle, CI, KMM, TDD, Copilot, PairProgramming, ModularArchitecture 🏢 Description: Senior Android Engineer (Kotlin / Compose) We are looking for an experienced Android Engineer who thrives in large-scale product environments and takes ownership of mobile architecture and delivery quality. You’ll work on a mature mobile ecosystem where scalability, performance, and engineering standards matter. What We’re Looking For Strong proficiency in Kotlin and modern Jetpack Compose for UI development Deep understanding of the Android SDK and native mobile development principles Solid knowledge of Object-Oriented Programming , algorithms, and data structures Experience working with Gradle-based build systems and CI pipelines Ability to work with a high level of autonomy and strong problem-solving mindset Additionally Valued Experience with modular architecture (e.g., Kotlin Multiplatform Mobile – KMM) Experience working within large and evolving codebases Practical exposure to Test-Driven Development (TDD) and Pair Programming Experience leveraging AI-assisted development tools (e.g., Copilot)

🏢 Summary: Role for an experienced Android Developer to build and maintain a native Kotlin-based mobile application focused on campaigns and commercial features. The position involves designing scalable mobile architecture, developing key user-facing functionalities, and ensuring high code quality throughout the product lifecycle. Close collaboration with analysts and UX/UI designers is part of the development process. 🗂️ Requirements: Proficiency in Kotlin, Experience with Jetpack Compose, Strong knowledge of Android SDK, Understanding of OOP principles, Knowledge of algorithms and data structures, Experience with Gradle, Experience with CI/CD pipelines, Ability to solve complex technical problems independently, English B2+ for technical communication 📃 Skills: Kotlin, JetpackCompose, AndroidSDK, OOP, Algorithms, DataStructures, Gradle, CICD 🏢 Description: Opis Funkcji: Poszukujemy doświadczonej osoby w roli Android Developer do zespołu zajmującego się projektami w obszarze Kampanii i Ofert. Będziesz rozwijać kluczowe funkcje wpływające na doświadczenie klienta i współpracować blisko z zespołem w biurze. Obowiązki: Tworzenie i utrzymanie natywnej aplikacji Android w Kotlinie. Projektowanie skalowalnej i wydajnej architektury mobilnej. Budowa modułów wspierających funkcjonalności komercyjne. Zapewnienie wysokiej jakości kodu (TDD, code review, clean code). Współpraca z analitykami i projektantami UX/UI w całym cyklu produktu. Wymagania: Kotlin, Jetpack Compose, Android SDK. Dobre zrozumienie OOP, algorytmów i struktur danych. Doświadczenie z Gradle i CI/CD. Samodzielność i umiejętność rozwiązywania złożonych problemów. Angielski B2+ do komunikacji technicznej. Mile widziane: Modularne architektury, Kotlin Multiplatform (KMM). Praca z dużymi kodami. TDD, Pair Programming. Narzędzia wspierane AI (np. GitHub Copilot).

🏢 Summary: B2B contract for a Senior Android Developer to design, develop, and maintain advanced Android applications using modern technologies. The role focuses on implementing new features, ensuring high performance, fixing bugs, writing tests, and maintaining technical documentation in a fully remote environment. The project is planned for 12+ months with an hourly rate. 🗂️ Requirements: Minimum 4 years of experience in Kotlin development, Very good knowledge of Kotlin and its ecosystem, Practical experience with Android SDK, Experience with XML-based views, Experience with Jetpack Compose, Experience with Kotlin Coroutines, Knowledge of Clean Architecture and SOLID principles, Experience with MVVM design pattern, Experience with REST API integration, Experience working with JSON data, Experience in unit and integration testing, Knowledge of Git and GitFlow, Experience working in Scrum methodology 📃 Skills: Kotlin, Android, SDK, XML, Jetpack, Compose, Coroutines, CleanArchitecture, SOLID, MVVM, REST, JSON, JUnit, MockK, Robolectric, Git, GitFlow, Scrum 🏢 Description: ZADANIA: Projektowanie zaawansowanych aplikacji na systemy Android Współpraca z zespołem projektowym w celu dostarczania i projektowania nowych funkcji Diagnoza i naprawianie błędów, dbałość o wydajność aplikacji Przeprowadzanie testów aplikacji Ciągłe wdrażanie nowych funkcjonalności Opracowywanie dokumentacji technicznej WYMAGANIA: Minimum 4 lata doświadczenia w tworzeniu aplikacji z użyciem języka Kotlin Bardzo dobra znajomość Kotlina oraz jego ekosystemu Praktyczne doświadczenie z Android SDK, widokami opartymi na XML, a także Jetpack Compose i Kotlin Coroutines Znajomość zasad projektowania oprogramowania, w tym Clean Architecture oraz SOLID Doświadczenie w pracy z wzorcami projektowymi, szczególnie MVVM Umiejętność integracji z REST API oraz pracy z danymi w formacie JSON Doświadczenie w tworzeniu testów jednostkowych i integracyjnych (np. JUnit, MockK, Robolectric) Znajomość systemu kontroli wersji Git (w tym GitFlow) oraz doświadczenie w pracy zespołowej Znajomość metodyk zwinnych, takich jak Scrum DODATKOWE INFORMACJE: Forma współpracy: b2b Stawka: 100 -130 zł/h Długość zatrudnienia: 12 miesięcy + Model pracy: 100% zdalnie

🏢 Summary: Remote B2B offer for an experienced Android Developer to design and develop mobile banking applications using Kotlin and Kotlin Multiplatform. The role focuses on building scalable Android solutions with Clean Architecture and MVVM, ensuring high code quality through automated testing. Responsibilities include app maintenance, technical support, and active participation in Agile development processes. 🗂️ Requirements: Minimum 3 years of Android development experience, Strong knowledge of Kotlin, Experience with Kotlin Multiplatform, Experience with Jetpack Compose, Knowledge of Clean Architecture, Knowledge of MVVM, Experience with Espresso, Experience with JUnit, Experience with MockK 📃 Skills: Kotlin, Android, KotlinMultiplatform, JetpackCompose, ComposeMultiplatform, CleanArchitecture, MVVM, Espresso, JUnit, MockK, Agile, GooglePlay 🏢 Description: Umowa: B2B Tryb: zdalny, okazjonalne wizyty w biurze w Warszawie/Krakowie/Gdańsku Branża: bankowość Poszukujemy doświadczonego Dewelopera Android, specjalizującego się w Kotlin oraz Kotlin Multiplatform, który dołączy do naszego zespołu. Główne obowiązki: Projektowanie i tworzenie aplikacji mobilnych na platformę Android przy użyciu Kotlin oraz Kotlin Multiplatform. Wdrażanie architektury Clean oraz MVVM w projektach aplikacyjnych. Testowanie aplikacji przy użyciu narzędzi takich jak Espresso, JUnit oraz MockK. Współpraca z zespołem w metodzie Agile. Udzielanie wsparcia technicznego oraz mentoring innych programistów. Obsługa techniczna aplikacji po opublikowaniu w Google Play. Uczestnictwo w sprintach oraz planowanie nowych funkcjonalności. Kluczowe wymagania: Min. 3 lata doświadczenia w programowaniu aplikacji na Androida Znajomość Kotlin, Jetpack Compose, Kotlin Multiplatform oraz Compose Multiplatform. Znajomość architektury Clean Architecture oraz MVVM. Doświadczenie w testowaniu aplikacji przy użyciu Espresso, JUnit, MockK. Komunikatywna znajomość języka polskiego w mowie i piśmie. Angielski na poziomie umożliwiającym pracę z dokumentacją techniczną. Miłe widziane: Doświadczenie w pracy w sektorze bankowym.