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Sr. Mobile Engineer

Betterment HQ - New York City💼 Full-time💰 $170,000–$170,000🗓 2026-07-01 → 2026-07-31

Core

Building and maintaining high-quality mobile applications for retail investors to guide them through saving, investing, and retirement planning.

Role type

Senior Mobile Engineer

Builds

Consumer-facing mobile applications for financial wellness and investment management

Domain

Financial services / Mobile development

Deliverable

production ML models | product features

Required skills

JavaScript/TypeScript, React Native, iOS/Android platform knowledge, software architecture, scalability, performance optimization, code quality, testing, accessibility

Preferred skills

GraphQL, Flutter

Technologies

React Native, JavaScript, TypeScript, GraphQL, Flutter, iOS, Android

Responsibilities

Lead medium-to-large scale initiatives to ship high-quality software; Collaborate with Product and Design teams to develop delightful customer experiences; Work alongside Fullstack Engineers to ensure features remain performant and secure; Mentor junior engineers and share knowledge; Maintain clean code, rigorous testing, and pragmatic programming standards

Seniority

Senior, hands-on IC with mentorship responsibilities

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