Android Developer (Senior/Lead)

Required skills: Kotlin, Jetpack Compose, Coroutines, Flow, REST API Location: 100% remote work Salary: 160 – 180 PLN net/h (B2B via Experis) We are looking for an experienced Senior Android Mobile Developer with strong hands-on expertise in Kotlin and modern Android development practices. The ideal candidate brings 8+ years of professional experience, is highly autonomous, and can act as a technical lead for Android-related topics, supporting architectural decisions and mentoring less experienced developers. Responsibilities: • Develop and enhance Android applications using Kotlin and modern Android frameworks. • Build Store Capture and Transition Steering mobile solutions. • Integrate and maintain the Scandit scanning library. • Implement modern user interfaces using Jetpack Compose. • Design and maintain robust state management and offline capabilities. • Integrate REST APIs and collaborate with Kafka-based backend services. • Ensure high code quality through testing, code reviews, and best engineering practices. • Contribute to CI/CD pipelines, application performance, and release processes. • Act as a technical leader for Android topics, driving technical decisions and supporting team members. • Collaborate closely with Product Owners, Backend Engineers, QA, and DevOps teams in an Agile Scrum environment. Requirements: • 8+ years of experience in Android development. • Strong expertise in Kotlin. • Extensive experience with Jetpack Compose. • Solid understanding of Coroutines, Flows, and asynchronous programming. • Experience with Retrofit and/or Ktor. • Strong knowledge of REST API integration and API-first architectures. • Experience with unit and UI testing (JUnit, Espresso, Compose UI Testing). • Hands-on experience with Git and CI/CD pipelines. • Understanding of event-driven architectures and integration patterns (REST, Kafka). • Ability to work independently and take ownership of technical solutions. • Experience in a Tech Lead / Lead Developer capacity, including architectural guidance and technical mentoring. • Ability to work effectively in distributed international teams (English: B2/C1 minimum) Nice to Have: • Experience in modern web frontend development. • Strong knowledge of Vue.js, TypeScript, and Node.js. • UX/UI design experience. • Experience developing responsive web applications. Our offer: • MultiSport Plus • Group insurance • Medicover Premium