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Senior Android Developer

Senior Android Developer

Integral SolutionsWarszawa, mazowieckie, Polska
30+ days ago
Job description

Senior Android Developer

Miejsce pracy : Warszawa

Technologies we use

Expected

  • Android
  • Kotlin
  • Jetpack Compose

Optional

  • Swift
  • SwiftUI
  • UIKit
  • Apollo Android
  • Hilt
  • Dagger

    • About the project

    Hi. We’re a team of tech-obsessed fitness fanatics, and we’ll get straight to the point : we’re building the next evolution of interactive fitness. It started with a simple idea — that maybe, just maybe, people should actually enjoy their workouts. So we started designing. From the ground up. And we think we’ve created something that could truly change the game.

    Our team includes designers who’ve shaped some of the world’s most recognizable digital products, product minds with deep experience across major tech and health platforms, and top-tier software and hardware engineers. Everyone’s working together to help you see results, stay motivated, and actually enjoy the process.

    We can’t wait to show you what we’ve been working on.

    Workplace : Warsaw (at least 4 days per week in the office).

    Your responsibilities

  • Lead the architecture and development of a new native Android application using Kotlin.
  • Implement user interfaces primarily using Jetpack Compose, ensuring a modern, responsive, and visually appealing design.
  • Integrate with our existing backend by consuming data via our GraphQL API.
  • Collaborate closely with iOS developers, backend engineers, designers, and product managers to understand requirements and ensure feature parity where appropriate.
  • Write clean, maintainable, testable, and performant code.
  • Ensure the application meets high standards of quality, stability, and performance across various Android devices and OS versions.

    • Our requirements

  • Proven experience as a Senior Android Developer with a strong portfolio of shipped applications.
  • Deep proficiency in Kotlin for Android development.
  • Hands-on experience building UIs with Jetpack Compose.
  • Strong command of Kotlin coroutines and structured concurrency (suspend functions, coroutine scopes, flows). Able to design thread‑safe, cancel‑aware, and performance‑oriented asynchronous code that integrates cleanly with Jetpack Compose and the app’s architecture.
  • Strong understanding of Android architecture patterns (MVVM, MVI, etc.) and best practices.
  • Experience with version control systems, particularly Git.
  • Excellent problem-solving and analytical skills.
  • Strong communication and collaboration abilities.
  • Fluent in Polish and English is a must.

    • Optional

  • Familiarity with iOS development (Swift, SwiftUI, UIKit) is a plus.
  • Experience consuming GraphQL APIs on Android (e.g., using Apollo Android or similar libraries).
  • Experience with dependency injection frameworks (e.g., Hilt, Dagger).
  • Experience writing unit and integration tests for Android applications.
  • Experience with CI / CD pipelines for Android.
  • Experience working in an Agile / Scrum development environment.

    • This is how we organize our work

    This is how we work

  • at the client's site
  • agile

    • Development opportunities we offer

  • development budget
  • technical knowledge exchange within the company

    • Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • fruits
  • integration events
  • corporate gym
  • coffee / tea
  • shopping coupons
  • sharing the costs of tickets to the movies, theater
  • christmas gifts
  • birthday celebration
  • employee referral program

    • Recruitment stages

  • Recruitment Interview
  • Technical Interview
  • Interview with CTO / Team Leader

    • Integral Solutions

    Hi. We’re a team of tech-obsessed fitness fanatics, and we’ll get straight to the point : we’re building the next evolution of interactive fitness. It started with a simple idea — that maybe, just maybe, people should actually enjoy their workouts. So we started designing. From the ground up. And we think we’ve created something that could truly change the game.

    Our team includes designers who’ve shaped some of the world’s most recognizable digital products, product minds with deep experience across major tech and health platforms, and top-tier software and hardware engineers. Everyone’s working together to help you see results, stay motivated, and actually enjoy the process.

    We can’t wait to show you what we’ve been working on.

    Wyrażam zgodę na przetwarzanie danych osobowych zawartych w CV oraz w powyższym formularzu dla potrzeb obecnego procesu rekrutacyjnego, prowadzonego przez Integral Solutions sp. z o.o. z siedzibą w Warszawie, ul. Księdza Skorupki 5, zgodnie z postanowieniami Rozporządzenia Parlamentu Europejskiego i Rady (UE) 2016 / 679 z dnia 27 kwietnia 2016 r. w sprawie ochrony osób fizycznych w związku z przetwarzaniem danych osobowych i w sprawie swobodnego przepływu takich danych oraz uchylenia dyrektywy 95 / 46 / WE (‘Rozporządzenie 2016 / 679’).  Oświadczam, że dane są kompletne, prawdziwe i nie naruszają praw osób trzecich.

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    Android Developer • Warszawa, mazowieckie, Polska