Senior Software Engineer (Android) - InPost Pay (f/m/n)

At InPost, we're passionate about building software that helps our customers send and receive their goods. Our Consumer-Facing teams build and maintain web applications and enabling platforms, which provide features such as marketing communication, loyalty programs, and payments.
We have built one of the most well-recognized and appreciated mobile applications in Poland's Logistics sector, with 10+ million users, and we are not stopping there. Our next step is conquering the international European market and scaling our Mobile platform and applications across Europe.

We are looking for an experienced Android Developer to join us in that journey - to heavily influence our platform build, improve processes, and help us deliver the best native app experience in the market.

Responsibilities:

• Design, develop, and maintain high‑quality Android applications using Kotlin and Java, ensuring compatibility across multiple Android versions and device configurations.
• Ensure the performance, quality, reliability, and responsiveness of mobile applications throughout the development lifecycle.
• Build scalable and maintainable solutions using Android Architecture Components, Jetpack libraries, Compose, Coroutines, MVVM, and Clean Architecture.
• Refactor existing codebases to improve design, performance, readability, and long‑term maintainability.
• Develop test‑covered, high‑quality code, contributing to automated testing strategies and ensuring robust, production‑ready solutions.
• Integrate applications with backend APIs, third‑party services, and Firebase to support data exchange, analytics, and application monitoring.
• Work closely with product managers, designers, QA engineers, and backend developers to translate business requirements into technical solutions.
• Leverage AI‑powered development tools (e.g., GitHub Copilot, ChatGPT, Claude) to accelerate development while critically evaluating and responsibly applying AI‑generated outputs.

• 5+ years of experience in Android development with expert knowledge of the Android SDK, platform versions, and device configurations.
• Strong understanding of Android UI/UX design principles and best practices.
• Hands‑on experience with Jetpack, Compose, Coroutines, MVVMMVVM, and Clean Architecture.
• Proven ability to build and optimize Android applications using Kotlin and Java.
• Experience with Firebase and API integrations.
• Strong problem‑solving skills with the ability to translate business needs into technical solutions.
• Detail‑oriented, delivery‑focused, and proactive in ownership of tasks.
• Familiarity with modern development workflows and tools, including Git, JIRA, Confluence, code reviews, and CI/CD.
• English language skills at a professional level (minimum B2).
• Proficiency in leveraging AI tools and large language models (e.g., GitHub Copilot, ChatGPT, Claude) to enhance productivity, accelerate development, and solve complex problems. 
• Ability to critically evaluate AI-generated outputs and apply them responsibly within professional workflows.

• Remote work opportunity across Poland.
• Access to e-learning platforms- eTutor, GoodHabitz, and more.
• Two development paths: becoming a Tech Expert or an Engineering Manager.
• A wide range of benefits, including the MultiSport+ card, private healthcare, and group insurance, is available on the Worksmile platform.
• External and internal growth opportunities - conferences, trainings, workshops. 
• Chances to broaden your skill set and acquire new competencies through daily work, challenging projects, and training activities.