Mobile Infrastructure Engineer

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Mobile Infrastructure Engineer in USA

Polymarket
Full time
Email

USA
09/05/2026
Report

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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