Senior Software Engineer – Mobile

This is a fully remote position, open to applicants in United States.

📋 Description

• Develop and deliver refined iOS and Android applications for employees and 401(k) plan administrators.

• Design a contemporary, modular mobile codebase from the ground up, emphasizing concurrency, clean dependency management, and testability.

• Guide AI coding agents throughout the development process and influence agent-driven engineering workflows.

• Address mobile fintech challenges related to real-time balances, secure authentication, biometrics, and sensitive financial information.

• Manage CI/CD processes, phased rollouts on the App Store and Play Store, feature flags, and automated UI testing.

• Enhance crash-free rates, app ratings, release reliability, animations, haptics, data visualization, and accessibility.

• Collaborate with Design to refine mobile experience aspects.

• Work alongside backend engineers on API agreements and backend-driven UI.

• Assist in defining the direction for native and cross-platform mobile architecture.

• Partner with the engineering manager, Product, and Design teams while taking ownership of key outcomes.

⛳️ Requirements

• Over 5 years of experience in building and maintaining production software.

• Proven track record of launching and managing consumer mobile applications through multiple App Store and Play Store release cycles.

• Extensive knowledge in native mobile development using Swift and SwiftUI, Kotlin and Jetpack Compose, or cross-platform frameworks like React Native, Flutter, or Kotlin Multiplatform.

• Strong viewpoints on app architecture, performance, and testing methodologies.

• Experience managing features from conception to release and iteration.

• Regular hands-on use of agentic coding tools such as Codex, Claude Code, and Cursor in production environments.

• Sound decision-making regarding appropriate AI applications and the ability to ensure agent-generated code remains correct, secure, and thoroughly tested.

• Solid understanding of computer science principles, including data structures, concurrency, and asynchronous programming.

• Knowledge of mobile architecture trade-offs, performance optimization, device farms, automated UI testing, client-side telemetry, and API contract design.

• Familiarity or willingness to work with Node, TypeScript, Kotlin, and AWS.

• Dedication to producing accessible, well-tested, and maintainable code.

• Excellent verbal and written communication abilities.

• Strong product awareness and attention to UI craftsmanship.

• Proactive, empathetic attitude with a strong sense of ownership.

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field is typically required.

🏝️ Benefits

• 401(k) plan with a dollar-for-dollar employer match up to 4% of compensation, fully vested immediately, with no plan fees.

• Premium health insurance plans.

• Dental and vision coverage.

• Competitive vacation time and parental leave policies.

• Addition Wealth: unlimited access to digital resources, financial professionals, and a knowledge center focused on equity and financial wellness.

• Lyra enhanced mental health support available for employees and their dependents.

• Carrot fertility healthcare and family-forming benefits.

• Candidly student loan assistance for employees and their families.

• Monthly stipend for work-from-home expenses.

• Quarterly lifestyle stipend.

• Team-building opportunities, including virtual social events and team offsite activities.