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Mobile Infrastructure Engineer

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Mobile Infrastructure Engineer in USA

  • Polymarket
  • Full time
  • Email
  • New York, NY

Responsibilities

  • Own release tooling across iOS and Android, including automated builds, code signing, store submission, phased rollouts, hotfixes, and post-release health checks.
  • Build and maintain CI infrastructure with build-time budgets, flaky-test detection and quarantine, merge gates, and device and simulator infrastructure.
  • Develop regression gates and automated coverage for crash-free and ANR targets, and fix crash clusters and harden error paths in app code.
  • Operate observability and alerting systems to identify issues before they affect users.
  • Build AI evaluation harnesses and integrate AI agents and LLM-powered capabilities into mobile development and testing workflows.
  • Set quality and performance budgets, track them over time, and demonstrate improvements with data.

Requirements

  • Broad mobile infrastructure experience at consumer scale across CI/CD, release automation, test infrastructure, and stability work on iOS, Android, or both.
  • Hands-on experience with mobile crash reporting and monitoring such as Sentry, feature flagging such as LaunchDarkly, and release automation such as fastlane or equivalent tools.
  • Practical experience applying AI to engineering, including evaluation harnesses, LLM-powered features, or AI agents in developer workflows.
  • Measurement-driven experience instrumenting systems, setting budgets, and proving quality improvements.
  • Ability to modify app code to fix crash clusters and harden error paths while primarily owning tooling and infrastructure.
  • Ability to independently own release, CI, quality, observability, and AI tooling in a small-team environment.
  • Familiarity with real-time data applications, live market feeds, or mobile trading products is a plus.
  • Background in fintech or data-intensive consumer mobile products is a plus.

Benefits

  • Unlimited PTO.
  • Full health, vision, and dental coverage.
  • 401(k) match.
  • New MacBook Pro, large display, and accessories.
  • Equity is included in the compensation package.

Salary: $250k - $350k/yr

Polymarket

The world’s leading prediction market platform, where users trade on the outcomes of real-world events. By putting real money behind opinions, Polymarket cuts through noise, bias, and speculation to surface a single powerful signal: what people actually believe will happen. From elections and geo...

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