Senior Android Developer

Warsaw, Mazowieckie, Poland
Tech&Engineering – Technology Operations /
Hybrid /
Hybrid
We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talented team.
We’re looking to expand our mobile team with an experienced Android developer. The goal is to strengthen the Android product, improve performance and stability, and deliver new features with high technical quality. The person in this role will be responsible for developing core functionality, improving architecture, and working closely with other teams to ensure a smooth and scalable mobile experience. This is a role with a high degree of independence and direct impact on a widely used product.

Responsibilities

    • Develop and maintain core features of the Android application
    • Implement UI using both Android Views and Jetpack Compose
    • Work with Kotlin Coroutines and Flow for asynchronous data handling
    • Contribute to a scalable and testable architecture based on MVVM and Clean Architecture principles
    • Collaborate with other developers, QA, product managers, and designers
    • Ensure code quality through code reviews, testing, and adherence to best practices
    • Integrate native modules and libraries, including work with Android NDK
    • Contribute to performance, security, and maintainability improvements

Requirements

    • 5+ years of experience developing Android applications
    • Strong knowledge of Kotlin and coroutines/Flow
    • Working knowledge of Java and concurrency in Java
    • Experience creating UI with both Android View system and Jetpack Compose
    • Understanding of multithreading and thread safety
    • Solid understanding of OOP principles
    • Familiarity with Android NDK
    • Experience with architectural patterns such as MVVM and Clean Architecture
    • Familiarity with Git and collaborative development workflows
    • Understanding of encryption, hashing, digital signatures, OAuth, and code obfuscation
    • Business level proficiency in English or above (equivalent to B2 or above in CEFR) 

Nice to have:

    • Exposure to JavaScript or hybrid frameworks (e.g., Cordova, Capacitor, Flutter)
    • Experience with writing tests (unit, integration, or UI)
    • Understanding of CI/CD pipelines in Android development
    • Experience working in Agile teams
    • Interest in performance optimization and low-level Android internals

What you will get in return:

    • Competitive Salary: We believe great work deserves great pay! Your skills and talents will be rewarded with a salary that makes you feel valued and motivated.
    • Work-Life Harmony: Join a company that genuinely cares about you—because your life outside of work matters just as much as your time on the clock.
    • Annual Performance Bonus: Your hard work doesn’t go unnoticed! Celebrate your achievements with a well-deserved annual bonus tied to your performance.
    • Generous Time Off: Need a breather? Our annual leave policy lets you recharge and enjoy life outside of work without a worry.
    • Employee Referral Program: Love working here? Share the love! Bring your talented friends on board and get rewarded for growing our awesome team.
    • Comprehensive Health & Pension Benefits: From medical insurance to pension plans, we’ve got your back. Plus, location-specific benefits and perks!
    • Workation Wonderland: Live your digital nomad dreams with 30 extra days to work remotely from anywhere in the world (some restrictions apply). Adventure awaits!
    • Volunteer Days: Make a difference! Take two additional paid days each year to support causes you care about and give back to the community.
Be a key player at the forefront of the digital assets movement, propelling your career to new heights! Join a dynamic and rapidly expanding company that values and rewards talent, initiative, and creativity. Work alongside one of the most brilliant teams in the industry.