Senior Android Engineer

Senior Android Engineer

Bolt

Tallinn, Estonia

About the role

In this role, you’ll work on high-impact product challenges that directly affect Bolt users worldwide. You’ll collaborate closely with Product Managers, Designers, Backend Engineers, and QA to deliver a world-class Rider app experience. As a Senior Engineer, you’ll own Android features end-to-end, influence technical direction, and help raise the bar for engineering excellence across the Android platform.

Main tasks and responsibilities:

• Drive the development, maintenance, and continuous improvement of Android features, ensuring high performance, scalability, reliability, and an excellent user experience;
• Own features end-to-end - from discovery, technical design, and implementation to release, monitoring, experimentation, and impact validation;
• Continuously improve code quality through refactoring, performance optimization, technical debt reduction, and thorough testing with unit tests and QA collaboration;
• Make data-driven decisions that improve customer experience and business outcomes through experimentation, hypothesis validation, and measurable impact analysis;
• Bring strong product thinking by contributing technical insights, feedback, and ideas that help shape product strategy and roadmap decisions;
• Collaborate and communicate effectively with Product, Design, Backend, and QA teams to deliver impactful product initiatives and enable informed decision-making.

About you:

• Deep expertise in the Android platform, including SDK internals, application lifecycle, and the broader Android ecosystem, with strong proficiency in Kotlin, Coroutines, and Flow;
• Strong understanding of algorithms, data structures, and modern Android architecture patterns such as Clean Architecture, dependency injection and MVVM/MVI;
• Experience building robust, production-ready applications with comprehensive unit and UI testing using tools like JUnit, Espresso, and Compose Test;
• Comfortable owning features end-to-end, independently driving initiatives, and delivering high-quality solutions with reliability, autonomy, and attention to detail;
• Excellent communication and collaboration skills, with the ability to work effectively across cross-functional, product-driven teams and contribute to a positive engineering culture through knowledge sharing and mentorship;
• Growth-oriented and solution-driven mindset, embracing feedback, continuous learning, initiative, adaptability, and a strong “get-it-done” attitude in fast-paced environments.