Senior Android Native Developer

🏢 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: Long-term B2B contract for an Android Developer in a fintech project focused on customer onboarding and maintaining mobile app functionality across multiple markets. The role involves building Android applications with Kotlin and Jetpack Compose and contributing to Java-based backend microservices and integrations. The position combines mobile development with backend collaboration in a hybrid work model. 🗂️ Requirements: 5+ years of Android development experience, Proficiency in Kotlin, Experience with Jetpack Compose, Strong knowledge of Android SDK, Hands-on experience with Architecture Components, Experience with OkHttp or similar networking tools, Strong understanding of Java, Experience with Spring framework, Experience with microservices integration, Working knowledge of SQL, Experience with unit testing 📃 Skills: Android, Kotlin, JetpackCompose, AndroidSDK, ArchitectureComponents, OkHttp, Java, Spring, Microservices, SQL, UnitTesting 🏢 Description: GENERAL INFORMATION: Industry : fintech Location : Warsaw (hybrid work model - 2x month in the office) Rate : up to 165 PLN/h Form of cooperation: B2B Project duration : long-term ROLE SUMMARY : The Android Developer role is focused on facilitating customer onboarding while maintaining the fintech app functionality across diverse markets. MAIN RESPONSIBILITIES: The primary duty of the Android Developer is to design and implement robust Android applications while collaborating across teams. Design and implementation of Android applications using Kotlin and Jetpack Compose. Build and optimize Java backend microservices and REST endpoints. Translate business requirements into technical solutions in collaboration with stakeholders. Act as a technical reference point for team members and guide architectural decisions. Encourage innovation and the adoption of new technologies for operational excellence. Communicate complex technical concepts to non-technical stakeholders effectively. Foster a culture of mentorship and shared learning within the team. Communicate clearly in both Polish and English while adapting language for diverse audiences. KEY REQUIREMENTS: 5+ years of experience in Android development. Proficiency in Kotlin, Google Jetpack Compose, and Android SDK. Hands-on experience with Architecture Components and networking tools such as OkHttp. Strong understanding of Java, Spring and microservices integration. Working knowledge of SQL and experience with unit testing. NICE TO HAVE: Experience in the Fintech industry. Knowledge of Koin DI and MVVM architecture. A proactive mindset and excellent communication skills. OTHER DETAILS: The position is based in Warsaw, within a team structure of 2 developers, 1 tester, a scrum master, a product owner, and business analysts. The work model is hybrid, requiring 2 office days per week, with flexible working hours.

🏢 Summary: Long-term B2B contract for a Senior Android Developer to design and implement Android applications in a fintech onboarding domain. The role combines Kotlin/Jetpack Compose mobile development with Java-based microservices and REST integration in a hybrid work model. The position involves architectural guidance and close collaboration with cross-functional teams. 🗂️ Requirements: 5+ years of Android development experience, Proficiency in Kotlin, Experience with Jetpack Compose, Strong knowledge of Android SDK, Hands-on experience with Architecture Components, Experience with OkHttp or similar networking tools, Strong understanding of Java, Experience with Spring framework, Experience with microservices integration, Working knowledge of SQL, Experience with unit testing 📃 Skills: Kotlin, Java, Android, Jetpack, Compose, SDK, Spring, Microservices, REST, SQL, OkHttp, MVVM, Koin, Fintech 🏢 Description: GENERAL INFORMATION: Industry : fintech Location : Warsaw (hybrid work model - 2x month in the office) Rate : up to 165 PLN/h Form of cooperation: B2B Project duration : long-term ROLE SUMMARY : The Android Developer role is focused on facilitating customer onboarding while maintaining the fintech app functionality across diverse markets. MAIN RESPONSIBILITIES: The primary duty of the Android Developer is to design and implement robust Android applications while collaborating across teams. Design and implementation of Android applications using Kotlin and Jetpack Compose. Build and optimize Java backend microservices and REST endpoints. Translate business requirements into technical solutions in collaboration with stakeholders. Act as a technical reference point for team members and guide architectural decisions. Encourage innovation and the adoption of new technologies for operational excellence. Communicate complex technical concepts to non-technical stakeholders effectively. Foster a culture of mentorship and shared learning within the team. Communicate clearly in both Polish and English while adapting language for diverse audiences. KEY REQUIREMENTS: 5+ years of experience in Android development. Proficiency in Kotlin, Google Jetpack Compose, and Android SDK. Hands-on experience with Architecture Components and networking tools such as OkHttp. Strong understanding of Java, Spring and microservices integration. Working knowledge of SQL and experience with unit testing. NICE TO HAVE: Experience in the Fintech industry. Knowledge of Koin DI and MVVM architecture. A proactive mindset and excellent communication skills. OTHER DETAILS: The position is based in Warsaw, within a team structure of 2 developers, 1 tester, a scrum master, a product owner, and business analysts. The work model is hybrid, requiring 2 office days per week, with flexible working hours.

🏢 Summary: B2B contract role for an experienced Android Mobile Engineer to design and develop scalable native applications for a large-scale e-commerce platform. The position focuses on building high-quality Android apps using Kotlin and Jetpack Compose, with strong ownership over architecture and engineering standards. Work is in an elastic hybrid model with long-term cooperation on a high-traffic system. 🗂️ Requirements: Fluent Kotlin and Jetpack Compose experience, Strong knowledge of Android SDK and native Android development, Practical knowledge of OOP, algorithms, and data structures, Experience with Gradle build system, Experience with CI systems, Ability to design scalable and maintainable mobile architecture, English at B2 level 📃 Skills: Kotlin, Jetpack, Compose, Android, SDK, Gradle, CI/CD, OOP, TDD, KMM, Copilot 🏢 Description: Salary: 800 - 1080 PLN/MD + VAT (B2B) Remote: elastic hybrid from Warsaw (1-2 times per week) Why choose this offer? Impact on the development of the largest e-commerce system in Poland You can expect a flexible work organization Long-term cooperation within a stable ecosystem The Jit community will bring you a nice time during regular integration meetings Project We are looking for an experienced Mobile Engineer (Android) to join a newly established team dedicated to one of Poland’s leading e-commerce companies. In this role, you will combine strong technical expertise with autonomy in delivering high-quality native Android applications . You will play a key role in shaping the architecture, development standards, and engineering practices within the team, working on modern, scalable mobile solutions. You will design, build, and optimize Android applications using Kotlin and Compose, ensuring smooth performance, maintainability, and scalability. In addition to hands-on development, you will contribute to technical initiatives, best practices, and team knowledge sharing in a collaborative, innovative environment. Expected competences and knowledge Fluent in Kotlin and the Compose framework for UI In-depth knowledge of Android SDK and native Android development Practical knowledge of Object-Oriented Programming (OOP), algorithms, and data structures Familiarity with Gradle build processes and experience with Continuous Integration (CI) systems High degree of autonomy in organizing work and strong problem-solving skills Good communication skills in English (B2-level) Nice to have: Experience with modular architecture, e.g., Kotlin Multiplatform Mobile (KMM) Experience working with large codebases Practical knowledge of Test-Driven Development (TDD) and Pair Programming Experience with AI-aided software development, like Copilot Technologies you'll work with Kotlin Jetpack Compose Android SDK Gradle & CI/CD tools TDD AI-assisted development tools Client – why choose this particular client from the Jit portfolio? Our Client dominates the Polish e-commerce arena as the market leader since 1999 . With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies. Jit Team has had a successful partnership with our Client since spring 2021 , with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services. Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale , where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 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: B2B contract opportunity for a Regular or Senior Android Native Developer to design, build, and maintain scalable native Android applications using modern technologies. The role involves end-to-end mobile development, CI/CD implementation, testing, performance optimization, and publishing apps to Google Play Store in a collaborative environment. Remote work with periodic on-site presence in Kraków. 🗂️ Requirements: Proven experience delivering native Android applications, Strong expertise in Kotlin, Solid knowledge of Java, Excellent knowledge of Android SDK, Strong understanding of Jetpack or Jetpack Compose, Experience with Android Studio, adb, Android Emulator, Experience writing unit and automated tests, Experience building and maintaining CI/CD pipelines, Experience publishing applications to Google Play Store, Knowledge of JSON and XML, Experience implementing mobile security best practices, Understanding of mobile accessibility standards, Experience with Test-Driven Development 📃 Skills: Kotlin, Java, Android, SDK, Jetpack, Compose, CI/CD, AndroidStudio, adb, Emulator, JSON, XML, TDD, Git, IntelliJ, VSCode 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are looking for an experienced Android Native Developer to join our client’s mobile development team. The ideal candidate will have a strong track record of building and delivering high-quality native Android applications using modern Android technologies. You will be responsible for designing, developing, testing, and maintaining scalable mobile applications while collaborating closely with designers, product teams, and backend engineers. This role requires deep expertise in Kotlin , modern Android architecture, and the Android development ecosystem, along with experience implementing CI/CD pipelines and publishing applications to the Google Play Store. Project information: Location: Kraków, Poland Work Setup: Remote work with on-site presence required – approximately 6 days per month at the client’s office Two open vacancies: Regular developer and Senior Developer Rate: 120 – 135 PLN/net/h + VAT (B2B contract) Start date: depending on candidate availability Language: English (min B2) Project scope: Design, develop, and maintain native Android applications using modern Android development practices. Build high-quality, scalable mobile applications using Kotlin, Android SDK, and Android Jetpack / Jetpack Compose. Implement responsive and accessible mobile UI based on provided design specifications using native Android components and design systems. Develop, maintain, and optimize CI/CD pipelines for mobile applications. Write unit tests and automated tests to ensure application stability and reliability. Debug, profile, and optimize Android applications for performance and stability. Work with mobile development tools such as Android Studio, adb, and the Android Emulator. Handle data serialization and deserialization using JSON and XML. Manage application publishing, versioning, and certificate management in the Google Play Store. Implement security best practices and mobile security features. Collaborate with cross-functional teams including product managers, designers, and backend engineers. Follow Test-Driven Development (TDD) principles and maintain high code quality standards. Requirements: Proven experience delivering native Android mobile applications. Strong expertise in Kotlin and solid knowledge of Java for Android development. Excellent understanding of the Android platform, SDK, and Jetpack / Jetpack Compose. Experience with Android Studio, adb, and Android Emulator. Experience writing unit and automated tests for Android applications. Strong debugging and troubleshooting skills. Experience building and maintaining CI/CD pipelines for mobile applications. Experience publishing applications to the Google Play Store. Good knowledge of mobile accessibility standards. Experience working with JSON and XML data formats. Experience implementing mobile security best practices. Passion for Test-Driven Development (TDD) and writing maintainable code. Preferred Experience: Experience using Git and working with IDEs such as IntelliJ and Visual Studio Code. Experience working with mobile component libraries. Familiarity with iOS native development (Swift, SwiftUI, Xcode). Familiarity with cross-platform frameworks such as React Native or Flutter. Preferred Skills / Competencies: Experience designing and building digital products in onboarding or banking/financial services environments. Experience using AI-assisted development tools such as GitHub Copilot or Claude CLI. Strong problem-solving skills and attention to detail. We offer: Full-time job agreement based on B2B Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance

🏢 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: The offer is for an experienced Android Developer to build and enhance mobile applications within a Mobile Platform team, focusing on Kotlin and modern Android architecture. The role involves developing secure, scalable apps, integrating network services, and maintaining CI/CD pipelines in a cross-functional, innovation-driven environment. This hybrid position requires regular on-site presence in Kraków. 🗂️ Requirements: Minimum 3 years of Android development experience, Strong proficiency in Kotlin, Very good knowledge of Android framework, Experience with Retrofit, Coroutines, Room, Experience with MVP, MVVM, Clean Architecture, Ability to manage app state with ViewModel and LiveData, Knowledge of dependency injection and modularity, Experience with CI/CD pipelines, Knowledge of mobile application security practices, Experience with secure data storage and SSL Pinning, Advanced English (spoken and written) 📃 Skills: Kotlin, Android, Jetpack, Compose, Retrofit, Coroutines, Room, ViewModel, LiveData, MVP, MVVM, CleanArchitecture, Koin, Dagger, Hilt, CI/CD, SSL, HTTPS, Keystore, EncryptedSharedPreferences, Flow 🏢 Description: 🌍 Hello World! We are The Codest -  International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams. But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step. 💡 Project Description: We are looking for an experienced Android Developer who will be working in the Mobile Platform team including developing new mobile apps and online experiences, using digital messaging to enhance our customer relationships, building and improving the underlying technology and security platforms and innovating our propositions to compete effectively in a mobile, data-driven world. You will be part of a cross-functional team growing our digital capabilities, driving innovation, delivering products in ever-shortening cycles, and helping to drive the continuous improvement of our processes, tooling, and engineering practices. Please note: this is a hybrid position, you will be expected to come into the office 6 days per month overall (the office is located in Kraków). 📈 Your Responsibilities : Creating and developing mobile applications in Kotlin using Jetpack Compose. Designing and implementing solutions based on design patterns MVP, MVVM. Integrating applications with network services using Retrofit. Managing dependencies using tools like Koin, Dagger, Hilt. Creating and maintaining CI/CD pipelines. 🔑 Key Requirements: Advanced English in speaking and writing Minimum 3 years of experience in developing Android applications in Kotlin. Very good knowledge of the Android framework and libraries such as Retrofit, Coroutines, Room. Ability to work with Android Lifecycle and manage application state using ViewModel and LiveData. Knowledge of application modularity principles and dependency management. Practical experience in creating and maintaining CI/CD processes. Familiarity with design patterns MVP, MVVM, and Clean Architecture. Knowledge of mobile application security: Implementation of secure data storage (e.g., EncryptedSharedPreferences, Keystore). Secure network communication (SSL Pinning, HTTPS). Protection against reverse engineering and other threats. Implementation of user authorization and authentication. Ability to diagnose and solve problems, including production incidents. Willingness to work in distributed teams and participate in code reviews and retrospectives. Knowledge of best practices related to asynchronous programming (Coroutines, Flow). 6x a month working from the office in Krakow6x a month working from the office in Krakow 📜 Our Promise (what you can expect from us): 18-24k PLN on B2B Hybrid work (6x per month from the office in Kraków) 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc. Our B2B contract contains provisions that allow you to obtain IP BOX support Integration events, education opportunities and much more… A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them! 📌 Recruitment process: 30 minute screening call online with our recruiter - Justyna 1 hour screening technical interview 1 hour call with the client Offer Questions, insights? Feel free to reach out to our recruiting team: justyna.pazdalska@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.

🏢 Summary: B2B contract for a Mid Android Developer in the banking sector, working in a hybrid model (Warsaw). The role focuses on developing and maintaining Android applications using Kotlin and Java, implementing new features, and ensuring high code quality through automated testing and CI practices. 🗂️ Requirements: Minimum 4 years of experience in Android development, Very good knowledge of Kotlin, Ability to read and modify Java code, Experience with RxJava 2.x, Knowledge of Clean Code principles and software architecture, Experience with Android platform specifics, Experience with continuous integration, Ability to write automated, unit, and integration tests 📃 Skills: Kotlin, Java, Android, RxJava, CleanCode, CI, UnitTesting, IntegrationTesting 🏢 Description: umowa: B2B stawka: 120 zł/h + VAT tryb: hybrydowy, 1 dzień z biura na 2 tygodnie, Warszawa Klient z branży bankowej poszukuje Mid Android Developera z doświadczeniem w pracy z Kotlinem oraz Javą. Obowiązki: Implementowanie nowych funkcjonalności na Android z wykorzystaniem Kotlin Monitorowanie i rozwiązywanie problemów Dbanie o wysoką jakość poprzez tworzenie testów automatycznych, jednostkowych Prowadzenie prac projektowych, programistycznych i wdrożeniowych w oparciu o zrozumienie kontekstu działania, stosując optymalne, z punktu widzenia biznesu oraz IT, rozwiązania Wymagania: 4 lata doświadczenia przy tworzeniu rozwiązań na platformie Android Znajomość i zrozumienie technik Clean Code oraz dobrej architektury oprogramowania Znajomość RxJava 2.x Bardzo dobra znajomość języka Kotlin Rozumienie i umiejętność modyfikowania kodu w języku Java Znajomość specyfiki programowania na platformie Android Znajomość podejścia continuous integration Umiejętność tworzenia testów automatycznych, jednostkowych i integracyjnych Znajomość języka angielskiego umożliwiająca czytanie, prowadzenie korespondencji i rozmów technicznych Mile widziane: Doświadczenie w pracy metodyką Agile Znajomość Jira, Git, Confluence Doświadczenie w pracy jako devops Doświadczenie z Jetpack Compose