Mobile Infrastructure Engineer

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.