Senior Mobile Software Engineer
Step
full-remoteseniorpermanentmobilefullstack Full remote Yesterday via WTTJ
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React NativeTypeScriptMobXAndroidiOSMobile App DevelopmentNative DevelopmentSoftware QualityTestable CodeComputer Science Fundamentals
About the role
Role overview
Join Step as a Senior Mobile Software Engineer in a full-remote role. You will develop new user-facing features and help deliver the company’s first product to the public, owning features from inception through production.
Responsibilities
- Develop and deliver mobile features end-to-end (from inception to production)
- Prioritize maintainable, testable code
- Work within a small, cross-functional, high-energy team
- Contribute to building and shipping a cross-platform mobile app
Requirements
- 6+ years of relevant work experience
- Expert in React Native
- Experience with native Android and/or iOS development
- Proficiency in TypeScript
- Strong Computer Science fundamentals
- BA/BS in Computer Science or a related technical field
- Proven track record of delivering mobile apps
- Passion for software quality
Nice to have
- Experience with MobX (React Native + MobX is used)
Languages/stack mentioned
- React Native (cross-platform)
- MobX
- TypeScript
- Native Android/iOS development experience
About Step
Step is a fast-growing fintech company building a cross-platform product for users. The role focuses on delivering mobile features end-to-end in a small, dynamic, cross-functional environment.
Scraped 5/14/2026