Mobile Engineer

🏢 Summary: Senior Android Engineer role in a greenfield product team building a large-scale banking application using Kotlin Multiplatform and Compose Multiplatform. The position focuses on developing shared UI and business logic, owning Android-specific integrations, and shaping architecture and engineering standards from the ground up. Strong emphasis on high-quality delivery, CI/CD practices, and daily use of AI-assisted development tools. 🗂️ Requirements: Minimum 5 years of native Android development experience, Expert-level proficiency in Kotlin, Strong experience with Jetpack Compose, Hands-on production experience with Kotlin Multiplatform (KMP), Experience with Compose Multiplatform, Deep understanding of MVVM, MVI, Clean Architecture, Experience building and maintaining Design Systems in Compose, Strong knowledge of Android platform specifics (lifecycle, permissions, notifications, Play Store), Experience with testing frameworks (JUnit, MockK, Compose UI testing), Experience with mobile CI/CD tools (GitHub Actions, Bitrise, Fastlane), Daily professional use of AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) 📃 Skills: Kotlin, Android, KMP, Compose, MVVM, MVI, CleanArchitecture, JUnit, MockK, GitHubActions, Bitrise, Fastlane, Claude, Cursor, Copilot 🏢 Description: Hi, nice you are here! 😊 Embrace change with Efigence! We are a technology company established in 1995, where people are a priority. A team of over 150 technology enthusiasts allowed us to implement hundreds of projects in the banking, insurance, e-commerce and other sectors. Many of them have gained recognition by winning awards in prestigious competitions. We are building a new, dedicated product team for a large-scale banking application and looking for a Senior Android Engineer to join from the ground up. This is a greenfield team setup - you will have direct influence on how the team works, what standards it follows, and how the product evolves. The application is built entirely on Kotlin Multiplatform (KMP) with Compose Multiplatform for shared UI across Android and iOS. We need people who work with agility - who thrive in short iterations, understand what they are building and why, and take ownership of delivering high-quality solutions end-to-end. Your Android expertise will be essential for platform-specific integrations and performance, but equally important is your ability to think in product terms: understanding user needs, challenging requirements, and proposing better approaches. Proficient, daily use of Agentic Engineering tools (Claude Code, Cursor) is a core expectation. Your Responsibilities: 🔹Design, develop, and maintain shared UI components and screens using Compose Multiplatform 🔹Contribute to shared business logic layer using Kotlin Multiplatform 🔹Own Android-specific platform integrations (permissions, notifications, biometrics, deep linking, app lifecycle) 🔹Build, extend, and maintain Design System components in Compose Multiplatform — ensure consistency, reusability, and alignment with design specifications across the product 🔹Participate actively in product discovery and sprint ceremonies — understand the why behind every feature, challenge assumptions, and propose better solutions 🔹Deliver working software in short iterations with high quality — own your work from concept through production 🔹Collaborate on architecture decisions and help establish best practices for the KMP/CMP codebase 🔹Write clean, testable, and well-documented code following Clean Architecture principles 🔹Conduct thorough code reviews focused on quality, consistency, and shared standards 🔹Collaborate closely with iOS engineers, backend teams, QA, product managers, and designers in a cross-functional product team 🔹Continuously improve development processes, tools, and CI/CD pipelines 🔹Leverage Agentic Engineering tools (Claude Code, Cursor, GitHub Copilot) daily for code generation, refactoring, test writing, and architectural exploration Who Are We Looking For? ✅Minimum 5 years of professional experience in native Android development ✅Expert-level proficiency in Kotlin ✅Strong experience with Jetpack Compose and Compose Multiplatform ✅Hands-on experience with Kotlin Multiplatform (KMP) in production environments ✅Deep understanding of architecture patterns: MVVM, MVI, Clean Architecture ✅Experience working with and contributing to a Design System — building reusable UI components, maintaining component libraries, ensuring design-to-code fidelity ✅Proven ability to work in agile, cross-functional product teams — short iterations, continuous delivery, close collaboration with product and design ✅Strong knowledge of Android platform specifics: lifecycle, permissions, notifications, Play Store distribution ✅Solid experience with testing frameworks (JUnit, MockK, Compose UI testing) ✅Proficiency with CI/CD tools and processes for mobile applications (GitHub Actions, Bitrise, Fastlane) ✅Proficient, daily use of AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) — ability to write effective prompts, critically verify AI outputs, and integrate these tools into standard engineering workflows ✅Product thinking — demonstrated ability to understand business context, user needs, and communicate technical trade-offs to non-technical stakeholders ✅Fluency in Polish and English (written and spoken) ✅Availability for occasional on-site sessions in Warsaw (workshops, kickoffs, planning events) ✅Ownership mindset — responsible for outcomes, not just tasks, with a proactive, can-do approach to problem-solving ✅Clear communicator and collaborative team player, comfortable working in a new and evolving team ✅Growth mindset with continuous learning and openness to experimenting with AI tools and sharing best practices Nice to Have: ✅Experience in fintech or banking sector ✅Knowledge of security best practices for financial applications ✅Experience with iOS platform specifics (helpful for shared UI debugging) ✅Experience with feature flags and A/B testing frameworks ✅Familiarity with Ktor (client and/or server-side) ✅Contributions to open-source projects ✅Experience working at scale (large user base, complex systems) ✅Experience joining or building a team from scratch What Can You Expect from Us? 🌍Fixed-term contract – with the possibility of extension 🌍Career & Development – Trainings, workshops, and collaboration with top industry experts 🌍Exciting Challenges – Work with leading financial market brands and award-winning projects 🌍Supportive Team – Knowledge sharing during Wednesday Wisdom meetings & tech breakfasts 🌍Autonomy & Innovation – We welcome your ideas and initiatives 🌍Stable Collaboration – Clear, transparent B2B agreements in line with current regulations, ensuring mutual trust and predictability 🌍Work-Life Balance – Flexible working hours and a culture that values personal time 🌍Hybrid or Remote Work Model – It’s up to you 🌍Perks & Benefits – Private medical care, Multisport card, English lessons, training budget, and more 🌍Trust & Transparency – Open communication and a culture of feedback Join us as a Senior Android Engineer (Kotlin Multiplatform) and help shape cutting-edge cross-platform solutions while working in a collaborative, growth-focused team!

🏢 Summary: Senior iOS Engineer role in a greenfield product team building a large-scale banking application using Kotlin Multiplatform and Compose Multiplatform. The position focuses on iOS platform integrations, native API bridging, shared UI development, and establishing best practices for KMP on iOS. You will own end-to-end delivery, contribute to architecture, and leverage AI-assisted engineering tools daily. 🗂️ Requirements: Minimum 5 years of professional experience in native iOS development, Expert-level proficiency in Swift, Working knowledge of Objective-C, Hands-on experience integrating Kotlin Multiplatform in iOS projects, Working knowledge of Kotlin and Compose Multiplatform, Strong understanding of iOS internals (UIKit/SwiftUI lifecycle, Keychain, ATS, entitlements, provisioning), Experience with MVVM, MVI, Clean Architecture, Experience building and maintaining Design Systems, Experience with Xcode build system and CocoaPods or SPM integration, Experience with testing frameworks for iOS and KMP, Experience with CI/CD for mobile applications, Daily proficiency with AI-assisted development tools (Claude Code, Cursor, GitHub Copilot), Fluency in Polish and English, Availability for occasional on-site work in Warsaw 📃 Skills: Swift, Objective-C, Kotlin, KMP, Compose, UIKit, SwiftUI, Xcode, CocoaPods, SPM, XCTest, Quick, Nimble, CI/CD, MVVM, MVI, ATS, Ktor, Claude, Cursor, Copilot 🏢 Description: Hi, nice you are here! 😊 Embrace change with Efigence! We are a technology company established in 1995, where people are a priority. A team of over 150 technology enthusiasts allowed us to implement hundreds of projects in the banking, insurance, e-commerce and other sectors. Many of them have gained recognition by winning awards in prestigious competitions. We are building a new, dedicated product team for a large-scale banking application and looking for a Senior iOS Engineer to join from the ground up. This is a greenfield team setup — you will have direct influence on how the team works, what standards it follows, and how the product evolves. The application is built entirely on Kotlin Multiplatform (KMP) with Compose Multiplatform for shared UI across Android and iOS. Your deep understanding of the iOS platform will be critical for platform-specific integrations, bridging native APIs, ensuring smooth App Store distribution, and optimizing the Compose Multiplatform experience on iOS. We need people who work with agility — who thrive in short iterations, understand what they are building and why, and take ownership of delivering high-quality solutions end-to-end. Equally important is your ability to think in product terms: understanding user needs, challenging requirements, and proposing better approaches. Fluent use of Agentic Engineering tools (Claude Code, Cursor) is a core expectation, not a bonus. Your Responsibilities: 🔹Contribute to shared UI development using Compose Multiplatform, ensuring excellent rendering and performance on iOS 🔹Own iOS-specific platform integrations: Keychain, biometrics (Face ID/Touch ID), push notifications, deep linking, app lifecycle, permissions 🔹Bridge native iOS APIs (Swift/Objective-C) with the KMP shared layer using expect/actual and native interop 🔹Build, extend, and maintain Design System components in Compose Multiplatform — ensure iOS platform fidelity, consistency, and reusability across the product 🔹Participate actively in product discovery and sprint ceremonies — understand the why behind every feature, challenge assumptions, and propose better solutions 🔹Deliver working software in short iterations with high quality — own your work from concept through production 🔹Collaborate on architecture decisions and help establish best practices for KMP/CMP on the iOS side 🔹Write clean, testable, and well-documented code following Clean Architecture principles 🔹Conduct thorough code reviews focused on quality, consistency, and shared standards 🔹Manage iOS-specific build, signing, and App Store submission processes 🔹Collaborate closely with Android engineers, backend teams, QA, product managers, and designers in a cross-functional product team 🔹Continuously improve development processes, tools, and CI/CD pipelines 🔹Use Agentic Engineering tools (Claude Code, Cursor, GitHub Copilot) daily for code generation, refactoring, testing, and exploration Who Are We Looking For? ✅Minimum 5 years of professional experience in native iOS development ✅Expert-level proficiency in Swift; working knowledge of Objective-C for interop scenarios ✅Strong understanding of iOS platform internals: UIKit/SwiftUI lifecycle, Keychain, App Transport Security, entitlements, provisioning ✅Hands-on experience with Kotlin Multiplatform (KMP) integration in iOS projects ✅Working knowledge of Kotlin and Compose Multiplatform sufficient for daily contribution to shared code ✅Deep understanding of architecture patterns: MVVM, MVI, Clean Architecture ✅Experience working with and contributing to a Design System — building reusable UI components, maintaining component libraries, ensuring design-to-code fidelity across platforms ✅Proven ability to work in agile, cross-functional product teams — short iterations, continuous delivery, close collaboration with product and design ✅Experience with Xcode build system, CocoaPods/SPM integration with KMP frameworks ✅Solid experience with testing frameworks (XCTest, Quick/Nimble, and KMP shared test suites) ✅Proficiency with CI/CD tools and processes for mobile applications ✅Proficient, daily use of AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) — effective prompting, critical verification of outputs, integration into engineering workflows ✅Product thinking — ability to understand business context, empathize with users, and communicate trade-offs to non-technical stakeholders ✅Fluency in Polish and English (written and spoken) ✅Availability for occasional on-site sessions in Warsaw (workshops, kickoffs, planning events) ✅Ownership mindset — responsible for outcomes, not just tasks, with a proactive, can-do approach to problem-solving ✅Clear communicator and collaborative team player, comfortable working in a new and evolving team ✅Growth mindset with continuous learning and openness to experimenting with AI tools and sharing best practices Nice to have: ✅Experience in fintech or banking sector ✅Knowledge of security best practices for financial applications ✅Experience with iOS platform specifics (helpful for shared UI debugging) ✅Experience with feature flags and A/B testing frameworks ✅Familiarity with Ktor (client and/or server-side) ✅Contributions to open-source projects ✅Experience working at scale (large user base, complex systems) ✅Experience joining or building a team from scratch What Can You Expect from Us? 🌍Fixed-term contract – with the possibility of extension 🌍Career & Development – Trainings, workshops, and collaboration with top industry experts 🌍Exciting Challenges – Work with leading financial market brands and award-winning projects 🌍Supportive Team – Knowledge sharing during Wednesday Wisdom meetings & tech breakfasts 🌍Autonomy & Innovation – We welcome your ideas and initiatives 🌍Stable Collaboration – Clear, transparent B2B agreements in line with current regulations, ensuring mutual trust and predictability 🌍Work-Life Balance – Flexible working hours and a culture that values personal time 🌍Hybrid or Remote Work Model – It’s up to you 🌍Perks u0026amp; Benefits – Private medical care, Multisport card, English lessons, training budget, and more 🌍Trust & Transparency – Open communication and a culture of feedback Join us as a Senior iOS Engineer (Kotlin Multiplatform) and help shape cutting-edge cross-platform solutions while working in a collaborative, growth-focused team!

🏢 Summary: The offer is for an Android Developer responsible for developing and maintaining mobile applications in Kotlin. The role includes implementing new features, building UI with Jetpack Compose and XML, integrating external APIs, writing tests, and contributing to CI/CD and Google Play releases. The position requires working with modern Android architectures and ensuring high code quality. 🗂️ Requirements: Very good knowledge of Kotlin, Very good knowledge of Android SDK, Knowledge of MVVM, MVP, MVI architectures, Experience with Dagger or Hilt, Experience with Jetpack Compose, Experience with XML layouts, Experience with RxJava, Experience with Kotlin Coroutines, Ability to write unit tests and UI tests, Knowledge of Room, Retrofit, Firebase, Experience with Git, Experience with CI/CD tools, Knowledge of Google Play publishing process 📃 Skills: Kotlin, Android, SDK, Dagger, Hilt, Jetpack, Compose, XML, RxJava, Coroutines, Room, Retrofit, Firebase, Git, MVVM, MVP, MVI, JUnit, Espresso, CI/CD 🏢 Description: Twoje zadania: Rozwój oraz utrzymanie aplikacji mobilnych na platformę Android w języku Kotlin. Implementacja nowych funkcjonalności oraz rozwój warstwy UI przy użyciu Jetpack Compose i XML. Praca w architekturach aplikacji mobilnych (MVVM, MVP, MVI) z dbałością o jakość kodu i zasady Clean Code. Integracja aplikacji z zewnętrznymi API oraz popularnymi bibliotekami Android. Pisanie testów jednostkowych i UI oraz rozwiązywanie błędów w aplikacji. Współpraca z zespołem developerów, testerów i UX/UI w metodyce Agile. Udział w procesie CI/CD oraz publikowanie aplikacji w Google Play Technologie: Kotlin, Android SDK, Dagger/Hilt, Jetpack Compose, XML, RxJava, Kotlin Coroutines, Room, Retrofit, Firebase, Git, MVVM, MVP, MVI, JUnit, Espresso. Szukamy Ciebie, jeśli: Posiadasz bardzo dobrą znajomość Kotlin oraz Android SDK. Stawiasz na Clean Code i wysoką jakość implementacji. Znasz różne architektury aplikacji mobilnych, w szczególności MVP, MVVM oraz MVI. Znasz frameworki Dependency Injection – Dagger/Hilt. Masz doświadczenie w tworzeniu widoków w Jetpack Compose oraz XML. Pracujesz z programowaniem reaktywnym przy użyciu RxJava i Kotlin Coroutines. Piszesz testy jednostkowe i UI. Znasz często używane biblioteki w Androidzie ( m.in . Room, Retrofit, Firebase). Pracujesz z Git oraz narzędziami CI/CD. Znasz proces publikowania aplikacji w Google Play. Wykazujesz gotowość do utrzymania oraz rozwijania procesu CI/CD dla aplikacji mobilnej (buildy, testy automatyczne, dystrybucja). Posiadasz umiejętności analitycznego myślenia, debugowania oraz proaktywność w usprawnianiu procesów (np. automatyzacja). Mile widziane: Praktyczna znajomość narzędzi CI/CD (np. GitHub Actions, Bitrise, Jenkins, GitLab CI, Fastlane). Oferujemy Współpracę w oparciu o umowę o świadczeniu usług konsultanckich IT Elastyczna współpraca w modelu hybrydowym lub zdalnym Komputer

🏢 Summary: Opportunity for an experienced Android Engineer to build high-impact AI-driven mobile experiences using modern Android technologies. The role focuses on architecting and optimizing large-scale production apps with strong ownership and product intuition. Compensation includes a highly competitive salary and comprehensive benefits package. 🗂️ Requirements: Proficiency in Kotlin, Experience with Jetpack Compose, Experience with reactive programming, Experience architecting large production Android applications, Ability to optimize performance, stability, and reliability, Strong ownership and responsibility for large technical areas, Strong communication skills 📃 Skills: Kotlin, Jetpack, Compose, Android, AndroidStudio, Gradle, Rust, ReactiveProgramming 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.ABOUT THE ROLE: We're seeking an exceptional Android engineer to join a small, high-impact team dedicated to creating the world's most valuable AI application, judged by the impact it delivers to users. You'll shape cutting-edge mobile experiences, blending technical mastery with a keen product sense to deliver brilliance that resonates with users. You will work on the most critical product or technical challenge at any given time. BASIC QUALIFICATIONS: Proficient in Kotlin, Jetpack Compose and reactive programming. Has a strong product sense and high craft bar. Builds intuitive and delightful user experiences. Experienced in architecting modern large production apps while embodying technical excellence. Strong sense of ownership and agency. Able to put on multiple hats and take responsibility for large areas. Able to optimize for performance, stability and reliability. PREFERRED SKILLS AND EXPERIENCE: A proven track record of shipping standout apps or features that demonstrate both technical excellence and exceptional product intuition. Deep expertise in the Android ecosystem and related development tools (Android Studio, Gradle, etc.). Rust for working with our backend components. COMPENSATION AND BENEFITS: $180,000 - $440,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

🏢 Summary: Seeking an Android engineer to build high-impact AI mobile applications in a small, hands-on team focused on technical excellence and product quality. The role involves developing modern Android experiences, optimizing app performance and reliability, and contributing across critical product and technical challenges. 🗂️ Requirements: Proficiency in Kotlin, Experience with Jetpack Compose, Knowledge of reactive programming, Experience architecting large production Android apps, Ability to optimize performance, stability, and reliability, Strong product sense, Strong communication skills, Ability to take ownership across multiple areas 📃 Skills: Kotlin, JetpackCompose, Android, Reactive, AndroidStudio, Gradle, Rust 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're seeking an exceptional Android engineer to join a small, high-impact team dedicated to creating the world's most valuable AI application, judged by the impact it delivers to users. You'll shape cutting-edge mobile experiences, blending technical mastery with a keen product sense to deliver brilliance that resonates with users. You will work on the most critical product or technical challenge at any given time. BASIC QUALIFICATIONS: - Proficient in Kotlin, Jetpack Compose and reactive programming. - Has a strong product sense and high craft bar. Builds intuitive and delightful user experiences. - Experienced in architecting modern large production apps while embodying technical excellence. - Strong sense of ownership and agency. Able to put on multiple hats and take responsibility for large areas. - Able to optimize for performance, stability and reliability. PREFERRED SKILLS AND EXPERIENCE: - A proven track record of shipping standout apps or features that demonstrate both technical excellence and exceptional product intuition. - Deep expertise in the Android ecosystem and related development tools (Android Studio, Gradle, etc.). - Rust for working with our backend components. COMPENSATION AND BENEFITS: - $180,000 - $440,000 USD - Base salary is just one part of our total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

🏢 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: Senior Android Engineer role focused on designing, building, and maintaining consumer-facing features for a large-scale mobile application. The position involves end-to-end ownership of Android features, contributing to architecture standards, and working with modern development practices and AI-assisted tools. The engineer will collaborate cross-functionally while mentoring others in a fast-paced environment. 🗂️ Requirements: 5+ years of professional experience building and shipping Android applications, Strong proficiency in Kotlin, Experience with Jetpack Compose and/or XML-based UI development, Experience with MVVM, MVI, or Clean Architecture in medium-to-large codebases, Solid understanding of Android lifecycle, threading, performance, and memory management, Experience integrating and consuming networked APIs, Experience owning features end-to-end from design to release, Experience using AI-assisted development tools 📃 Skills: Kotlin, JetpackCompose, XML, MVVM, MVI, CleanArchitecture, Android, APIs, AI 🏢 Description: AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior Android Engineer to design, build, and maintain features that power Bumble’s consumer-facing dating experience. You will work in Kotlin with Jetpack Compose and XML-based views, owning features end-to-end from technical design through release while contributing to Android architecture standards in a large, fast-moving codebase. The role includes mentoring junior engineers and integrating AI-assisted development tools into the engineering workflow. What you will do Design, build, and maintain high-quality Android features that power consumer-facing experiences; Partner closely with Product Managers and Designers to shape product vision, influence the roadmap, and translate ideas into polished Android implementations; Own Android features end-to-end, from technical design and implementation through testing, release, and iteration; Contribute to and evolve the Android architecture and engineering standards, balancing long-term maintainability with rapid product development; Leverage AI-assisted development tools and workflows to improve productivity, code quality, and developer experience; Help mature the team’s approach to AI usage by sharing best practices, tools, and learnings with other engineers; Support and mentor other Android engineers through code reviews, pairing, and technical guidance. Must haves 5+ years of professional experience building and shipping production Android applications; Strong proficiency in Kotlin and experience with modern Android development practices; Experience building UIs using Jetpack Compose and/or XML-based views; Proven experience designing and maintaining Android application architectures such as MVVM , MVI , or Clean Architecture in medium-to-large codebases; Solid understanding of Android platform fundamentals, including activity and fragment lifecycle, threading, performance, and memory management; Experience integrating and consuming networked APIs from Android clients, including error handling and offline considerations; Experience owning Android features end-to-end, from technical design and implementation through testing and release; Excellent communication skills and a collaborative, inclusive mindset; Upper-intermediate English level. The benefits of joining us Professional growth Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: Android Developer role focused on developing and maintaining banking mobile applications in a high-scale omnichannel environment using Kotlin Multiplatform. The position involves building shared business logic, modern UI development with Jetpack Compose, integrations with banking systems and payment services, and participation in CI/CD and architectural decisions. The project emphasizes code quality, scalability, and collaboration across cross-functional teams. 🗂️ Requirements: Minimum 5 years of Android development experience, Minimum 3 years of Kotlin Multiplatform experience, Strong knowledge of Clean Architecture, Strong knowledge of SOLID principles, Minimum 2 years of experience with Coroutines or RxJava, Experience with Koin for Dependency Injection, Experience with Jetpack Compose, Experience with Compose Multiplatform, Ability to write BDD tests, Fluent Polish language skills, Residence in Poland 📃 Skills: Kotlin, Android, KotlinMultiplatform, JetpackCompose, ComposeMultiplatform, Coroutines, RxJava, Koin, BDD, CI/CD, SOLID 🏢 Description: Do zespołu rozwijającego platformę omnichannel dla jednego z największych banków w Polsce poszukujemy osoby na stanowisko Programisty/Programistki Android do rozwoju i utrzymania nowoczesnych aplikacji mobilnych, wykorzystywanych przez setki tysięcy użytkowników. Projekt realizowany jest w środowisku o wysokich wymaganiach dotyczących jakości, bezpieczeństwa i skalowalności, z wykorzystaniem Kotlin Multiplatform jako kluczowej technologii do współdzielenia logiki biznesowej pomiędzy platformami. Your tasks Rozwój i utrzymanie aplikacji mobilnej w ekosystemie bankowym Projektowanie i implementacja wspólnej logiki biznesowej w Kotlin Multiplatform dla Androida Tworzenie interfejsów użytkownika w oparciu o Jetpack Compose oraz Compose Multiplatform Integracja aplikacji z systemami bankowymi, usługami zewnętrznymi oraz mechanizmami płatności (np. Google Pay) Dbanie o jakość kodu poprzez testy automatyczne, code review oraz udział w decyzjach architektonicznych Wspieranie zespołu technicznie - pomoc w rozwiązywaniu problemów, przegląd kodu oraz dzielenie się wiedzą Współpraca z zespołami produktowymi, backendowymi, iOS oraz innymi jednostkami IT w celu dostarczania spójnych rozwiązań Udział w utrzymaniu i rozwoju procesów CI/CD oraz pipeline’ów budowania i testowania aplikacji Requirements Minimum 5 lat doświadczenia jako Programista/Programistka Android Co najmniej 3 lata praktycznego doświadczenia w Kotlin Multiplatform Bardzo dobra znajomość Clean Architecture oraz zasad SOLID Minimum 2 lata doświadczenia w programowaniu asynchronicznym z użyciem Coroutines lub RxJava Doświadczenie w Dependency Injection z użyciem Koin Doświadczenie w pracy z Jetpack Compose oraz Compose Multiplatform Umiejętność pisania testów BDD Wymagana płynna znajomość języka polskiego Wymagane przebywanie na terenie Polski

🏢 Summary: Development of a large-scale fintech mobile product in the deferred payments domain, focused on designing and implementing an Android application in Kotlin. The role involves building new features, integrating with internal and external APIs, ensuring high code quality, security, and performance. You will actively contribute to architectural decisions and the technological evolution of the product. 🗂️ Requirements: Minimum 6 years of Android development experience, At least 2 commercial Android projects delivered, Strong experience with Kotlin, Experience with REST API integration, Proficiency with Android Studio and Android SDK, Experience with Jetpack Compose, Knowledge of MVVM or MVI, Knowledge of Clean Architecture, Experience publishing apps to Google Play, Experience with CI/CD pipelines, Knowledge of mobile application security principles, Ability to ensure code quality and maintain documentation 📃 Skills: Kotlin, Android, REST, AndroidStudio, AndroidSDK, JetpackCompose, MVVM, MVI, CleanArchitecture, GooglePlay, CICD, GitLabCI, GitHubActions, Bitrise, Keystore, EncryptedSharedPreferences, ReverseEngineering, RootDetection 🏢 Description: Dołącz do zespołu naszego klienta – szybko rozwijającej się firmy fintechowej działającej w obszarze płatności odroczonych. Budują produkt, z którego codziennie korzystają tysiące użytkowników🤝 Twoje zadania: projektowanie i implementacja aplikacji mobilnej na Androida (Kotlin) 📱 współpraca z zespołem przy definiowaniu i tworzeniu nowych funkcjonalności 👥 integracja z wewnętrznymi i zewnętrznymi API ( m.in . weryfikacja tożsamości, operacje płatnicze) 🔌 realizacja oraz wsparcie testów kodu, wydajności i UX 🧪 diagnozowanie i usuwanie błędów oraz dbanie o jakość i dobre praktyki 🛠️ aktywny udział w rozwoju produktu technologicznie i funkcjonalnie 🚀 Szukamy osoby, która: ma min. 6 lat doświadczenia w Androidzie (preferowany Kotlin) + min. 2 komercyjne projekty 💼 pracowała z REST API 🌐 zna Android Studio, Android SDK oraz Jetpack Compose 🧩 zna architektury, wzorce i podejścia (MVVM/MVI, Clean Architecture) ⚙️ publikowała aplikacje w Google Play i zna CI/CD (GitLab CI, GitHub Actions, Bitrise) 🚛 rozumie zasady bezpieczeństwa aplikacji (Keystore, EncryptedSharedPreferences, reverse engineering, root detection) 🔐 dba o jakość kodu i dokumentację ✍️ zna angielski na poziomie min. B2 🇬🇧 Dlaczego warto? praca nad realnym produktem o dużej skali 📈 nowoczesny tech stack i kultura inżynierska 💻 wpływ na kierunek rozwoju produktu 💡 stabilny fintech z ambitną roadmapą 🚀

🏢 Summary: Seeking an Android engineer to build high-impact AI mobile applications in a small, fast-paced team focused on technical excellence and product quality. The role involves developing modern Android experiences, optimizing app performance and reliability, and contributing across critical product and technical challenges. Compensation includes salary, equity, and comprehensive benefits. 🗂️ Requirements: Kotlin proficiency, Jetpack Compose proficiency, Reactive programming experience, Experience architecting large-scale production Android apps, Strong product sense, Ability to optimize performance, stability, and reliability, Strong ownership and multitasking capability, Strong communication skills 📃 Skills: Kotlin, Jetpack, Compose, Android, AndroidStudio, Gradle, Rust 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're seeking an exceptional Android engineer to join a small, high-impact team dedicated to creating the world's most valuable AI application, judged by the impact it delivers to users. You'll shape cutting-edge mobile experiences, blending technical mastery with a keen product sense to deliver brilliance that resonates with users. You will work on the most critical product or technical challenge at any given time. BASIC QUALIFICATIONS: - Proficient in Kotlin, Jetpack Compose and reactive programming. - Has a strong product sense and high craft bar. Builds intuitive and delightful user experiences. - Experienced in architecting modern large production apps while embodying technical excellence. - Strong sense of ownership and agency. Able to put on multiple hats and take responsibility for large areas. - Able to optimize for performance, stability and reliability. PREFERRED SKILLS AND EXPERIENCE: - A proven track record of shipping standout apps or features that demonstrate both technical excellence and exceptional product intuition. - Deep expertise in the Android ecosystem and related development tools (Android Studio, Gradle, etc.). - Rust for working with our backend components. COMPENSATION AND BENEFITS: - $180,000 - $440,000 USD - Base salary is just one part of the total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, short & long-term disability insurance, life insurance, and various other discounts and perks. Equal opportunity employer. For details on data processing, view the Recruitment Privacy Notice.