Android Developer

Did you know that A1 Bulgaria is working on international projects as well?

Our wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers.

State-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience.

You’ll know A1 Bulgaria is the right place for you if you are driven by:

• Opportunities to learn and build your career.
• Meaningful work in a stable and fast-paced company.
• Diversity of people, projects, and platforms.
• A supportive, fun, and inspiring place to work.

Metodi Mladenov is looking for a new team member.

Join our team as an Android Developer and help build the next generation of the A1 XploreTV platform, developing high-performance Android TV and Set-Top Box applications for millions of users.

Your Daily Routine Would Include

• Build and maintain high-performance features for the A1 XploreTV Android TV application and custom STB launcher using Kotlin and Java.
• Drive the migration of legacy views to Jetpack Compose, ensuring smooth animations and rendering optimized for TV hardware and D-pad navigation.
• Leverage Kotlin Coroutines and Flow for efficient, asynchronous state management and fluid user experiences.
• Implement robust data-fetching layers using GraphQL to communicate with our high-scale backend services
• Work closely within an agile Android team collaborating also with QA automation engineers, and Business Analysts to deliver clean, maintainable code.
• Participate in code reviews, architectural discussions, and hardware-specific optimizations (including memory management and lazy loading for large content catalogs).

• 2a+ years of professional Android development experience (experience with Android TV, Fire OS, or STB platforms is a major plus).
• Strong proficiency in Kotlin is required, alongside a solid understanding of Java for handling core/legacy platform components.
• Hands-on experience with Jetpack Compose (or a strong desire to master it) and standard Android UI XML/View groups.
• Practical experience working with GraphQL APIs (Apollo client) and handling complex data schemas.
• Familiarity with modern architectural patterns (MVVM, MVI) and dependency injection (Hilt/Dagger).
• Team player with strong communication skills who enjoys collaborative problem-solving.
• Performance-oriented mindset—you care about frames-per-second, memory footprints, and network efficiency.
• Fluent in English (written and spoken).

• Innovative technologies and platforms to “play” with.
• Modern working environment for your comfort.
• Friendly, ambitious, and motivated teammates to support each other.
• Thousands of online and in-person learning opportunities to grow.
• Challenging assignments and career development opportunities in multinational environment.
• Attractive remuneration package.
• Flexible working schedule and opportunity for home office.
• Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc.

Any questions? Contact Nadya Georgieva.

Sounds good? Apply now!

Only shortlisted candidates will be contacted.