Android Programmer

🏢 Summary: Lead Android Developer role focused on designing, developing, and maintaining high-quality Android applications using Kotlin and modern best practices. The position involves leading technical decisions, ensuring code quality, and collaborating with cross-functional teams to deliver robust mobile solutions. 🗂️ Requirements: 5+ years of Android development experience, Strong proficiency in Kotlin, Experience with Android SDK, Experience with App Components, Knowledge of Android UI frameworks, Understanding of Android design patterns, Knowledge of mobile architectures and trends, Understanding of full mobile development lifecycle, Experience with networking on Android, Experience with local data caching, Experience with multitasking on Android, Experience with third-party libraries and services 📃 Skills: Kotlin, Android, AndroidSDK, AppComponents, UI, DesignPatterns, Architecture, Networking, Caching, Multitasking, Lifecycle, Libraries 🏢 Description: We are seeking a highly skilled Lead Android Developer to join our dynamic team. The ideal candidate will have a proven track record in Android development, strong proficiency in Kotlin, and a passion for building high-quality mobile applications. As a Lead Android Developer, you will play a key role in designing, developing, and maintaining innovative Android applications, while collaborating with both local and remote team members. Responsibilities Design and develop high-quality Android applications using the latest technologies and best practices Collaborate with cross-functional teams to define project requirements and deliver solutions that meet customer needs Ensure the performance, quality, and responsiveness of applications by conducting thorough code reviews and testing Maintain code integrity, organization, and documentation Stay up-to-date with the latest technologies and trends in Android development Requirements Proven 5+ years of working experience in Android development (Android SDK) Proficiency in Kotlin for Android Experience in App Components, UI frameworks, developer tools, and workflows Good understanding of Android Design Patterns Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies Solid understanding of the full mobile development life cycle Good understanding of networking, caching local data and multitasking on Android Experience with 3rd party libraries and services Ability to work in a dynamic team environment, with a mix of local and remote resources Very good communication skills English proficiency at B2 level or higher Nice to have Previous experience with React Native 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.

🏢 Summary: Remote B2B opportunity for an Android Developer to build and maintain scalable, high-quality mobile applications using modern Android technologies. The role focuses on delivering new features, integrating backend services, and ensuring performance and reliability across devices. You will contribute to architecture decisions and CI/CD processes within a cross-functional team. 🗂️ Requirements: 3–5+ years of Android development experience, Proficiency in Kotlin and Java, Experience with Android Jetpack components (ViewModel, LiveData, Room, Navigation, WorkManager), Knowledge of MVVM or Clean Architecture, Experience with Coroutines and Flow, Experience integrating RESTful APIs and working with JSON, Proficiency with Git version control, Experience with Hilt or Dagger, Experience with JUnit and Espresso, Experience with CI/CD pipelines, Understanding of mobile UI/UX principles 📃 Skills: Kotlin, Java, Android, AndroidStudio, Jetpack, ViewModel, LiveData, Room, Navigation, WorkManager, MVVM, CleanArchitecture, Coroutines, Flow, REST, JSON, Git, Hilt, Dagger, JUnit, Espresso, CICD, Jenkins, GitHubActions, Bitrise, AzureDevOps, Firebase, Crashlytics, AppCenter, KMM, Compose 🏢 Description: Android Developer We are looking for a talented Android Developer to join our engineering team and help us build high-quality, scalable, and user-friendly mobile applications. You will work closely with product, design, and backend teams to deliver reliable Android features and improve the overall app experience. Work mode: Remote From Bulgaria Contract: B2B Industry: Postal services 💡 Key Responsibilities • Design, develop, and maintain Android applications using Kotlin and Android Studio. • Collaborate with cross-functional teams to define and deliver new features. • Ensure application performance, quality, and responsiveness across a wide range of devices. • Integrate RESTful APIs, third-party SDKs, and backend services. • Write clean, maintainable, and testable code following best practices. • Perform code reviews and participate in architectural discussions. • Troubleshoot and resolve bugs, crashes, and performance issues. • Maintain up-to-date knowledge of Android development trends, libraries, and frameworks. • Contribute to CI/CD pipelines and support automated deployment/testing processes. ✅ Required Skills & Qualifications • 3–5+ years of hands-on experience in Android development. • Strong proficiency in Kotlin and Java. • Experience with Android Jetpack components (ViewModel, LiveData, Room, Navigation, WorkManager). • Familiarity with MVVM or Clean Architecture patterns. • Experience with Coroutines and Flow. • Strong understanding of mobile UI/UX principles. • Experience integrating RESTful APIs and working with JSON. • Proficiency with Git and version control workflows. • Experience with dependency injection frameworks like Hilt or Dagger. • Familiarity with unit and UI testing frameworks (JUnit, Espresso). • Experience working in Agile/Scrum environments. • Strong problem-solving and communication skills. ➕ Nice to Have • Knowledge of Jetpack Compose UI. • Experience with CI/CD tools (Jenkins, GitHub Actions, Bitrise, Azure DevOps). • Familiarity with analytics & crash reporting tools (Firebase, Crashlytics, AppCenter). • Experience with Kotlin Multiplatform (KMM). • Practical experience in performance profiling and optimization. ✅ What’s in It for You? • Work with modern technologies • Collaborate with international teams • Long-term and stable cooperation • Professional growth opportunities 📩 If you’re interested or would like to learn more, feel free to reach out at alina.pchelnikova@dcvtechnologies.co.uk

🏢 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: The role involves designing and developing Android applications using Kotlin, focusing on clean architecture, performance, and security in a digital payments environment. The position includes integrating REST APIs and external SDKs, managing Gradle builds, and supporting release processes. It also requires collaboration with cross-functional teams to deliver scalable and secure mobile solutions. 🗂️ Requirements: Degree in Computer Science or related field, Minimum 5 years of Android development experience or 2 years of strong commercial Kotlin experience, Strong knowledge of Kotlin, Experience with Jetpack Compose, Experience with Android Jetpack components, Experience integrating REST APIs, Experience working with external SDKs, Strong knowledge of Git, Understanding of Android release process and Google Play distribution, Hands-on experience with Gradle, Very good English skills 📃 Skills: Kotlin, Android, Jetpack, Compose, ViewModel, LiveData, Navigation, REST, SDK, Git, Gradle, GooglePlay 🏢 Description: Working as an Android Developer, you will: Design and develop new features for Android applications using Kotlin, ensuring clean and maintainable code Collaborate closely with engineers, product managers, and integration teams to deliver consistent architecture and user experience Ensure high standards of security, performance, and scalability in mobile applications Integrate and maintain external APIs and third-party SDKs to support seamless system interoperability Optimize and maintain Gradle configurations to support efficient dependency management and automated build processes Prepare technical documentation, sample implementations, and developer guidelines to support internal teams and partners Support the release process, including build configuration, versioning, and application distribution Monitor developments in the Android ecosystem, including new technologies, security standards, and payment-related regulations About Chabre IT Services Chabre IT Services is a global professional IT services provider, building long-lasting relationships with Enterprises. We specialize in the delivery of tailor-made solutions,  smart outsourcing, try&hire, and success fee services. We are a smart IT boutique with unique knowledge, which will deliver your ideas into reality. About our Client Our client is a leading international technology organization operating in the digital payments sector. The company develops modern payment solutions and platforms used by businesses and financial institutions across multiple markets. Their technology enables secure, scalable, and seamless digital transactions, supporting millions of users worldwide. Qualifications Degree in Computer Science, Software Engineering, or a related technical field At least 5 years of experience in Android development or minimum 2 years of strong commercial experience with Kotlin Solid knowledge of modern Android UI development, including Jetpack Compose Experience working with Android Jetpack components such as ViewModel, LiveData, or Navigation Practical experience integrating REST APIs and working with external SDKs or frameworks Strong knowledge of Git and collaborative development workflows (branching strategies, pull requests, conflict resolution) Understanding of the Android application release process, including signing and distribution through Google Play Hands-on experience with Gradle and build automation Very good command of English, both written and spoken Availability to work in a remote or hybrid model, with occasional visits to the office (approximately once per month) We offer Rate to 150,00 PLN /h + VAT Remote work (with occasional visits to the office in Katowice) Subsidy for peripherals in the amount of 500,00zł Working tool (MacBook Pro or Lenovo Legion 5) Co-financing of courses related to the position Benefits: MultiSport, Medicover

🏢 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: 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: Talent Pool opportunity for an Android Developer focused on building and maintaining native Android applications using Kotlin and Java. The role involves implementing UI based on Figma designs, integrating REST APIs, working with SQL databases, and ensuring code quality through testing and version control. Candidates will contribute to high-quality, reliable mobile solutions within a structured development environment. 🗂️ Requirements: Minimum 3 years of experience as Android Developer, Strong knowledge of Kotlin, Strong knowledge of Jetpack Compose, Experience in native Android development, Knowledge of Java, Experience implementing UI from Figma designs, Experience with REST API integration, Knowledge of SQL, Experience with Git, Knowledge of JUnit, Experience with Jira Software, Experience with Confluence 📃 Skills: Kotlin, Java, Jetpack, Compose, Android, Figma, REST, SQL, Git, JUnit, Jira, Confluence 🏢 Description: This posting is part of a Talent Pool for the Android Developer role . Submitted applications will be used to enable a quick response to future business needs. We will contact selected candidates only when a relevant recruitment process is initiated. Responsibilities Developing and maintaining native Android applications using Java and Kotlin. Implementing application views based on prepared designs in Figma. Integrating mobile applications with REST API services. Working with databases and SQL queries. Writing and maintaining unit tests using JUnit. Collaborating with the development team using Git. Working with project documentation and task management tools such as Jira Software and Confluence. Ensuring high quality, performance and reliability of delivered solutions. Requirements Minimum 3 years of professional experience as an Android Developer. Strong knowledge of Kotlin and Jetpack Compose. Experience in native Android application development. Knowledge of Java. Practical experience with Figma, especially implementing prepared UI views. Good understanding of REST API integration. Knowledge of SQL. Experience with Git version control. Knowledge of JUnit. Experience with Jira Software and Confluence. Nice to have Experience in projects for public institutions or large organizations. Knowledge of mobile application architecture patterns.

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

🏢 Summary: Senior 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: 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