Senior Software Engineer - Mobile
Core
Design, build, and ship features for a mobile app helping employees manage retirement savings and plan administrators manage 401(k) plans.
Role type
Senior IC mobile software engineer (fintech)
Builds
iOS and Android mobile applications for financial independence
Domain
Fintech / Retirement Savings
Deliverable
production ML models | product features
Required skills
Native mobile development (Swift/SwiftUI, Kotlin/Jetpack Compose), Cross-platform frameworks (React Native, Flutter, Kotlin Multiplatform), AI coding agents (Codex, Claude Code, Cursor), CI/CD pipelines, Automated UI testing (XCUITest, Espresso, Appium), Mobile architecture design, API contract design
Preferred skills
Experience taking a mobile app from 0 to 1, Fintech or regulated domain experience, Backend stack familiarity (Node, TypeScript, Kotlin, AWS)
Technologies
Swift, SwiftUI, Kotlin, Jetpack Compose, React Native, Flutter, Node, TypeScript, AWS, XCUITest, Espresso, Appium, Sentry, Firebase, Datadog
Responsibilities
Architect a modern, modular codebase from scratch; Direct AI coding agents across the development lifecycle; Solve hard fintech problems (real-time balances, secure auth, biometrics); Own release operations (App Store/Play Store rollouts, feature flags); Partner with backend engineers on API contracts; Collaborate with Design on animations, haptics, and accessibility
Seniority
Senior, hands-on IC
