Lead Mobile Engineer, Performance
Polymarket2 months ago
Responsibilities
- Own mobile performance end-to-end, including startup time, rendering performance, and runtime efficiency across the mobile platform.
- Define architecture, standards, and tooling for memory management, rendering pipelines, network efficiency, and background processing.
- Identify and remove bottlenecks in app startup, screen transitions, real-time data rendering, and network request handling across iOS and Android.
- Design data-fetching, caching, and synchronization strategies to minimize latency across varying network conditions.
- Build performance observability with real user monitoring, crash reporting, frame-rate tracking, and synthetic testing.
- Establish benchmarks, performance budgets, and engineering standards that make performance a first-class concern.
Requirements
- Deep mobile performance engineering experience at significant scale across iOS, Android, or both.
- Strong expertise in rendering, memory management, network optimization, background processing, and app startup.
- Proficiency in Swift and/or Kotlin, with understanding of mobile runtimes, rendering systems, and operating-system scheduling.
- Experience with real user monitoring, frame-rate profiling, and observability systems for detecting regressions.
- A rigorous, measurement-driven approach using profiling, instrumentation, and performance validation.
- Technical leadership experience setting direction and raising performance standards across a codebase and broader engineering team.
- Familiarity with real-time data applications, live market feeds, or mobile trading products is a plus.
- Background in fintech or other data-intensive consumer mobile products is a plus.
Benefits
- Competitive salary and equity
- Unlimited paid time off
- Full health, vision, and dental coverage
- 401(k) match
- New MacBook Pro, large display, and accessories
Tech Stack
Categories
Mobile
About Polymarket
Polymarket operates an online prediction-market exchange where people trade on the outcomes of real-world events across politics, economics, sports, and culture. The platform aggregates trades into market-based probabilities and generates revenue through trading fees on a peer‑to‑peer marketplace. Founded in 2020 and headquartered in New York, it is a privately held company.