> Markdown version of [/jobs/ext/3970895-senior-android-engineer](https://www.wearedevelopers.com/jobs/ext/3970895-senior-android-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Android Engineer - **Company:** POLYMARKET CLEARING LLC - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $250,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Android Software Development, Apple IOS, Gradle, Design of User Interfaces, Human-Computer Interaction, WebSocket, Kotlin, Build Management, Jetpack Compose, Real Time Data, Grpc - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-android-engineer-new-york-ny--ca7f0703-2b73-4dc6-adf1-84d7dfc107fd ## About the Role Android, Politics, Sports, Economics, Android, Android Applications, User Interface/Experience (UI/UX), Communication Skills, Artificial Intelligence (AI), Gradle, * Strong, current experience with Kotlin - the kind where you can speak concretely to tradeoffs and have opinions * Strong, current experience building UI with Jetpack Compose in production apps * Practical experience contributing to CI/CD pipelines and managing Gradle build configuration * Solid understanding of modern Android architecture and the ability to make sound decisions across it without being hand-held * Active use of AI tools in your development workflow - not occasionally, but as a real part of how you work * (Plus) Experience integrating payments on Android * (Plus) Experience with WebSockets, gRPC, or other real-time data patterns on mobile * (Plus) Familiarity with cross-platform shared-code architectures * (Plus) iOS or Swift experience * (Plus) Background at a larger, more mature engineering organization where you saw practices evolve as the company grew ## Description Polymarket is looking for a Senior Android Engineer to help build a world-class trading app on Android. Millions of users follow markets, track positions, and make trades on their phones - and the Android experience needs to match that level of engagement., * Build and own Android features spanning payments flows, real-time market data, and core UI with full accountability from design handoff through to production * Implement polished, performant interfaces with Jetpack Compose that hold up under real trading conditions and meet a high bar for feel and reliability * Contribute to CI/CD pipelines and Gradle configuration so the team can ship with confidence and without friction * Build and maintain integrations across WebSockets, gRPC, and streaming data to power the live market features traders depend on * Collaborate effectively with a distributed team, communicate clearly across time zones, and make good decisions without needing close oversight * Actively incorporate AI tools into your development workflow to move faster and maintain a high output bar * Identify gaps in Android architecture and engineering practices and surface them early, before they become problems at scale