Senior Android App Engineer (Kotlin)

🏢 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: 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: Senior Android Developer role in the automotive sector focused on developing and optimizing Android applications for automotive customers within an agile full-stack team. The position involves UI implementation, reactive programming, direct development on target hardware, and close collaboration with product owners and clients. The role emphasizes modern Android technologies and continuous software improvement. 🗂️ Requirements: Proven experience in Android app development with Java and Kotlin, Strong knowledge of reactive programming with RxKotlin or RxJava, Experience with Koin, Gradle, Jenkins, JIRA, Git and Bitbucket, Experience developing modern Android UIs using XML or Jetpack Compose, Experience delivering Android projects in large software development teams, Completed degree in Computer Science or comparable qualification 📃 Skills: Android, Java, Kotlin, RxKotlin, RxJava, Koin, Gradle, Jenkins, JIRA, Git, Bitbucket, XML, Jetpack, Compose, AndroidSDK, AndroidStudio, Figma 🏢 Description: Wir, emagine GmbH, sind auf der Suche nach einem erfahrenen Senior Android Entwickler (m/w/d) in der Automotive-Branche . Der ideale Kandidat verfügt über fundierte Kenntnisse in Kotlin, JetPack Compose und dem Android SDK, Erfahrung im Umgang mit Legacy-Code & modernem UI-Design und hat bereits erfolgreich in großen Teams an komplexen Softwareprojekten gearbeitet. Start: ab sofort oder zu einem späteren Zeitpunkt Standort: Erlangen Remote: nach Absprache Aufgaben: Entwicklung von Android-Applikationen für Automobilkunden Zusammenarbeit in einem Full-Stack-Team im agilen Entwicklungsprozess Koordination der Entwicklungstätigkeiten mit dem Product Owner und dem Team sowie mit Kunden Umsetzung von Benutzeroberflächen (UI) und interaktiven Abläufen Design, Implementierung, Test und Dokumentation der entwickelten Software Direkte Entwicklung auf Zielhardware mit vorhandenen Testfahrzeugen Fokus auf kontinuierliche Verbesserung und Optimierung der Software Anforderungen (Must - Have): Fundierte Erfahrung in der Entwicklung von Android-Apps in Java / Kotlin Fundierte Kenntnisse in reaktiver Programmierung ( RxKotlin/RxJava ), Koin , Gradle , Jenkins , JIRA , Git und Bitbucket Erfahrung mit XML / Jetpack Compose für die Entwicklung moderner Android-UIs Erfolgreich abgeschlossene Android-Projekte in einem umfangreichen Software-Entwicklungsteam Teamarbeit ist wichtig und Du identifizierst Dich mit dem, was Du entwickelst Engagement für die Verbesserung der Teamarbeit, z.B. durch Techtalks oder Retros Abgeschlossenes Studium der Informatik oder vergleichbare Qualifikation Nice to Have: Erfahrung im Automotive - Bereich Die Stelle klingt für Dich spannend und Dein Profil passt auf die Anforderungen? Dann freuen wir uns sehr über Deine Bewerbung! #Android #Java #Kotlin #AndroidStudio #AndroidSDK #Jetpack #Compose #Figma

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

🏢 Summary: Senior Android Engineer role in an embedded-focused project for next-generation IoT and connected devices, working closely with hardware, firmware, and embedded teams. The position involves full ownership of Android applications, device communication, onboarding flows, and performance optimization in complex ecosystems. Regular on-site presence in Warsaw is required due to security constraints. 🗂️ Requirements: 6+ years of commercial Android experience, Strong proficiency in Kotlin and Java, Hands-on experience with Jetpack Compose, Experience with Kotlin Coroutines and asynchronous programming, Experience with unit testing and TDD, Experience with dependency injection frameworks, Experience building apps communicating over BLE, Understanding of Android SDKs, system components, and lifecycle, Familiarity with C/C++, Experience working with embedded or IoT ecosystems, Understanding of TCP, UDP, and IP networking fundamentals, Experience with REST, HTTP, and WebSockets, Knowledge of OAuth 2.0 and OpenID Connect, Experience with performance optimization and multithreading, B2+ level English, Availability for regular on-site work in Warsaw 📃 Skills: Android, Kotlin, Java, Jetpack, Compose, Coroutines, TDD, Hilt, Koin, BLE, C, C++, TCP, UDP, IP, REST, HTTP, WebSockets, OAuth2, OpenID, RBAC 🏢 Description: We are looking for a Senior Android Engineer to join an embedded-focused team augmentation project for a global consumer electronics brand. This role goes far beyond classic Android app development. You will work closely with embedded, firmware, and hardware teams on next-generation products and prototypes, taking ownership across the entire ecosystem, not just the mobile layer. Due to security requirements and the product’s confidential nature, this project requires regular on-site presence at our Warsaw office and cannot be fully remote. intent has over 10+ years of experience in helping to conceptualize, design, and build software for IoT and connected devices. We act as a specialized think partner for products at the intersection of physical and digital, from brand-new concepts to products entering competitive and established markets. Some of the brands we’ve worked with include Oura, BOSE, and McIntosh. What you’ll do Design, build, and maintain high-quality Android applications for IoT and connected devices Work close to hardware, firmware, and embedded teams , not just the mobile layer Implement device onboarding and setup flows Optimize performance, threading, and reliability in complex environments Review pull requests, give feedback, and help keep code quality high Write and maintain unit tests Take part in technical discussions, daily calls, and knowledge sharing Android experience 6+ years of commercial Android experience Strong proficiency in Kotlin and Java Hands-on experience with Jetpack Compose (Kotlin UI) Solid knowledge of Kotlin Coroutines and async programming Experience with unit testing / TDD Familiarity with dependency injection (Hilt, Koin) Strong experience building apps, communicating with devices over Bluetooth Low Energy (BLE) Understanding of Android internals (SDKs, system components, lifecycle) B2+ English , comfortable in everyday communication Cross-platform / Embedded / Ecosystem Familiarity with C/C++ for shared or native modules Experience working in or close to embedded / IoT ecosystems Understanding of networking fundamentals : TCP / UDP / IP REST / HTTP WebSockets Knowledge of secure authentication & authorization : OAuth 2.0 OpenID Connect Session management, RBAC Experience with performance optimization and multi-threading

🏢 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: Mid-to-senior Android App Developer role focused on building and enhancing Android Automotive applications in a hybrid setup (mostly remote). The position involves implementing modern UI concepts with Jetpack Compose and XML, ensuring high code quality, and developing directly on target automotive hardware. You will collaborate closely with product owners and development teams in an automotive-focused environment. 🗂️ Requirements: Several years of experience in Android app development, Strong knowledge of Jetpack Compose, Strong knowledge of XML-based UI development, Experience with MVVM architecture, Experience with Android Automotive or AAOS 📃 Skills: Android, Automotive, AAOS, Jetpack, Compose, XML, MVVM, Gradle, RxJava, 3D 🏢 Description: Für ein innovatives Projekt im Android Automotive Umfeld suchen wir einen engagierten Android App Entwickler (m/w/d) auf Mid-Level oder Senior Niveau . Einsatzort: Erlangen (1-2 Mail im Monat vor Ort) & remote Aufgaben: Entwicklung und Weiterentwicklung von Android Automotive Apps Umsetzung moderner UI-Konzepte mit Jetpack Compose und XML Design, Implementierung, Test und Dokumentation der entwickelten Software Sicherstellung von Code-Qualität durch Reviews, Tests und Best Practices Direkte Entwicklung auf Zielhardware mit vorhandenen Testfahrzeugen Enge Zusammenarbeit mit dem Product Owner, Entwicklungsteams und Kunden Anforderungen (Must-Haves): Mehrjährige Erfahrung in der Android App Entwicklung Sehr gute Kenntnisse in: Jetpack Compose (moderne UI-Entwicklung) XML - basierter UI-Entwicklung MVVM-Architektur Erfahrung mit Android Automotive oder Android Auto (AAOS) Sehr gute Deutschkenntnisse (Projekt- & Teamkommunikation) Gute Englischkenntnisse (technische Dokumentation, Abstimmungen) Nice-to-Have Qualifikationen: Erfahrung mit RxJava Sehr gute Gradle-Kenntnisse (Build-Konfiguration, Optimierung) Berührungspunkte mit 3D Engines oder grafisch anspruchsvollen Anwendungen Wir freuen uns sehr auf deine Bewerbung. #android

🏢 Summary: Senior Android Developer role focused on building native mobile applications for electric mobility solutions within an automotive R&D environment. The position involves designing and developing business-critical and integration features, mentoring team members, and collaborating across teams. Candidates will contribute to high-performance Android apps supporting next-generation premium electric vehicles. 🗂️ Requirements: 5+ years of Android app development experience, Strong experience with native Android development in Kotlin, Experience with Kotlin coroutines and asynchronous programming, Experience designing business-critical and integration functionality, Understanding of full Android development lifecycle, Experience with XML Layouts, Experience with Gradle build system, Ability to write maintainable and testable code, Experience in Embedded Automotive domain, Experience with Jira and Confluence, Upper-Intermediate English 📃 Skills: Android, Kotlin, Coroutines, XML, Gradle, Jira, Confluence 🏢 Description: Drivers of change, it's your time to pave new ways. Intellias, a leading software provider in the automotive industry, invites you to shape the future of driving. Join the team and co-create digital products for the world's top-tier brands. Our Customer is the European R&D center for the world's leading brands. Together, we will work on new electric mobility technology and solutions that aim to satisfy the global demand for premium electric vehicles. Responsibilities: Cross-team communication Design and development of business and integration functionality Unit testing and bug fixing Perform code reviews Serve as a technical mentor in mobile app development Requirements: At least 5 years of experience in Android Apps development Extensive experience developing Android mobile native applications in Kotlin Experience writing maintainable and testable code Strong understanding of Kotlin coroutines and asynchronous programming principles Experience with the design and development of business-critical and integration functionality Solid understanding of the full Android mobile development life cycle Experience with XML Layouts Experience with Gradle build system Ability to effectively articulate technical challenges and solutions Ability to work independently and in a fast-paced environment, being a self-organized person Apply design patterns to develop well-structured, modular, performant application code Experience in the Embedded Automotive domain Reporting (Jira, Confluence) Upper-Intermediate English Why this position: In our tech-driven company, individuals are prioritized over procedures, fostering an environment where people can flourish and achieve exceptional outcomes. We're committed to creating a culture that embraces technology and enables individuals to unleash their full potential. Our tailored benefits not only focus on your welfare but also fuel your career advancement, making this opportunity perfect for passionate tech enthusiasts like yourself.

🏢 Summary: B2B contract for a Senior Android Engineer to develop and maintain high‑impact mobile applications for a leading European media and entertainment provider. The role focuses on building scalable Android solutions for live sports, fan engagement and premium content platforms used by millions of users. It is a 6‑month remote project (with possible extension) starting ASAP. 🗂️ Requirements: Strong experience with Kotlin, Commercial experience with Jetpack Compose, Experience building responsive UIs for phones and tablets, Experience developing and maintaining mobile backend services, Knowledge of SOLID principles and mobile architecture patterns, Experience with Dagger or Hilt for Dependency Injection, Experience with Kotlin Coroutines, Experience with AndroidX Architecture Components, Experience with modular Android development, Experience with Firebase SDKs, Experience with CI/CD pipelines, Experience with observability and performance monitoring, Experience with Unit Testing and UI Testing, Proficiency with Git workflows, Practical experience working in Agile environments 📃 Skills: Kotlin, JetpackCompose, Android, AndroidX, Coroutines, RxJava, Dagger, Hilt, Firebase, Git, CI/CD, UnitTesting, UITesting, SOLID, Agile 🏢 Description: Project details: Role: Senior Android Engineer Duration: 6 months (with the possibility of further extension), Start: ASAP, the kick-off of the project is planned for April 2026, Contract: B2B, Equipment: Laptop provided by the customer, Work mode: 100% remote from Poland. About our customer: Our customer is a rapidly growing international software company that specialises in delivering media and entertainment projects. It is expanding its capabilities in the areas of the Internet of Things (IoT), cloud computing and tailored artificial intelligence (AI) solutions. They collaborate with global organisations to design and implement strategic infrastructures, content workflows, and consumer-facing digital applications. This role will enable you to support their ongoing European expansion while working on a high-impact digital product used by millions. About the project: Project for Large European Media & Entertainment Provider. You will work on behalf of the customer for one of Europe's leading media and entertainment companies, an organisation known for delivering premium content, live sports, award-winning news and innovative digital products to millions of users. The client operates in a fast-paced, innovation-driven environment and is continuously evolving its digital experiences across mobile, streaming and interactive platforms. Their teams are recognised for developing cutting-edge technology solutions that prioritise customer experience and large-scale impact. Your work will focus on mobile applications related to: Live sports experiences, Fan engagement features, Premium news and content experiences. Required Skills: Strong expertise in Kotlin and Jetpack Compose, Experience building responsive UIs for phones and tablets, Experience creating and maintaining mobile backend services, Solid understanding of SOLID principles and mobile architecture patterns, Dagger/Hilt for Dependency Injection, Kotlin Coroutines (must‑have); RxJava (nice‑to‑have), AndroidX Architecture Components, Experience with modular Android app development, Familiarity with Firebase SDKs, Experience with CI/CD pipelines , observability and performance monitoring, Strong background in Unit Testing and UI Testing, Excellent Git workflows, branching and commit practices, Practical understanding of Agile principles, ceremonies, planning and estimating. Responsibilities: Lead the development and maintenance of high‑quality Android applications serving millions of users, Implement scalable features using modern Android best practices and clean architecture, Collaborate with designers, backend developers and product owners across both the consultancy and the end client, Ensure performance, reliability and exceptional user experience across diverse Android devices, Participate in architectural decision-making and contribute to platform‑wide best practices, Maintain strong test coverage and contribute to continuous integration and delivery pipelines, Contribute to monitoring, observability and performance improvements, Coach and support other engineers when needed.

🏢 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