Senior Mobile Engineer

Onyx Odds

Senior Mobile Engineer building and scaling mobile applications for Onyx Odds, a prediction platform. Collaborating with founding team to enhance user experience and product development.

Posted 6/18/2026full-timeNew York City • New York • 🇺🇸 United StatesSenior💰 $140,000 - $225,000 per yearWebsite

Tech Stack

Tools & technologies

AndroidiOSReactReact NativeTypeScript

About the role

Key responsibilities & impact

Develop and maintain features across our iOS and Android applications using React Native
Help shape and improve the mobile architecture, including application structure, state management, and performance
Own projects from inception to production, including architecture decisions, implementation, testing, and monitoring
Collaborate directly with founders on product direction, roadmap, and prioritization
Support release processes across the App Store and Google Play

Requirements

What you’ll need

Computer Science degree from a top university
5+ years of software engineering experience, including significant experience with React Native
Experience building and maintaining consumer-facing mobile applications
Thrive in a startup environment where you can take ownership, move quickly, and help shape both the product and the engineering culture
Strong proficiency in TypeScript, React Native, and modern mobile development practices

Benefits

Comp & perks

Competitive equity package
Health, dental, and vision coverage
Unlimited PTO
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ATS Keywords

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Hard Skills & Tools

React NativeTypeScriptmobile application developmentstate managementperformance optimizationsoftware engineeringtestingmonitoringarchitecture designconsumer-facing applications

Soft Skills

ownershipcollaborationadaptabilityprioritizationcommunicationproblem-solvinginitiativecreativityteamworkleadership

Certifications

Computer Science degree