Senior Software Engineer - Mobile

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Senior Software Engineer - Mobile in USA new

Human Interest
Full time
Email

USA
11/03/2026
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Remote

Responsibilities

Build and ship polished iOS and Android experiences for employees and retirement plan administrators.
Architect a modular mobile codebase from scratch with strong concurrency, dependency management, testability, performance, and maintainability.
Use AI coding agents across the software development lifecycle while serving as the technical architect and decision-maker.
Implement secure authentication, biometrics, real-time balances, and protection for sensitive financial data.
Own CI/CD, feature flags, phased App Store and Play Store releases, automated UI testing, crash-free rates, and app ratings.
Partner with Design on animations, haptics, data visualization, accessibility, and overall product quality.
Collaborate with backend engineers on API contracts, backend-driven UI, and the native-versus-cross-platform strategy.
Mentor through code reviews and help establish engineering patterns and quality standards for the founding mobile team.

Requirements

5+ years of experience building and maintaining production software, including shipping and owning consumer mobile apps through multiple App Store and Play Store release cycles.
Deep expertise in native mobile development with Swift and SwiftUI or Kotlin and Jetpack Compose, or cross-platform development with React Native, Flutter, or Kotlin Multiplatform.
Experience owning features end to end from technical design through release and iteration in a cross-functional environment.
Deep understanding of mobile architecture, performance tuning, concurrency, asynchronous programming, device farms, automated UI testing, client-side telemetry, and API contract design.
Hands-on, regular production use of agentic coding tools such as Codex, Claude Code, and Cursor.
Strong computer science fundamentals and the ability to keep AI-generated code correct, secure, and well-tested.
Experience taking a mobile app from 0 to 1 is a plus.
Experience with fintech, security-sensitive applications, or regulated domains is a plus.
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field is typically required.

Benefits

Base salary of $190,000-$230,000 per year, with potential additional bonuses, commissions, and equity.
401(k) plan with dollar-for-dollar employer matching up to 4% of compensation, immediate vesting, and no plan fees.
Health, dental, and vision insurance.
Competitive time off and parental leave.
Financial wellness, mental health, fertility and family-forming, and student-loan support programs.
Monthly work-from-home stipend and quarterly lifestyle stipend.
Virtual social events and team offsites.
Accessible application process and equal opportunity employment.

Salary: $190k - $230k/yr

Human Interest

Human Interest builds 401(k) and 403(b) retirement plans for small and medium-sized businesses, delivered as software with full-service administration and employee investing. It provides plan setup, compliance, and investment advisory through Human Interest Advisors, a Registered Investment Advis...

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