Senior Mobile Engineer at Onyx Games LLC | US | Rezi

Senior Mobile Engineer at Onyx Games LLC

Senior Mobile Engineer

Onyx Games LLC · US

1 months ago

Senior Mobile Engineer

Onyx Games LLC · US

a month ago
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About the Role

As a Senior Mobile Engineer, you'll work directly with the founding team to build and scale the mobile experience used by millions of users. The ideal candidate has experience building consumer-facing mobile applications and contributing to both technical architecture and product development.

Responsibilities

  • 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

  • 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
  • Experience in fintech, gaming, sports, social products, or other consumer applications is a plus
  • A background or interest in sports
  • We are unable to offer employment visa sponsorship for this position.

Skills

  • React Native
  • TypeScript
  • modern mobile development practices

Location

  • NoHo area of Manhattan

Work Type

  • In person

Experience Level

  • Senior
  • 5+ years of software engineering experience

Education Level

  • Computer Science degree from a top university

Salary/Compensations

  • 140k- 225k

Benefits

  • Competitive equity package
  • health, dental, and vision coverage
  • unlimited PTO

About the Company

  • Onyx Odds is a fast-growing prediction platform transforming how people interact with sports, crypto, and real-world events.
  • Founded by a Harvard graduate with experience at Jane Street and backed by a team with backgrounds in sports gaming, technology, finance, consulting, and consumer products, Onyx is building the future by making markets more accessible, intuitive, and engaging.
  • Based in the NoHo area of Manhattan, Onyx has seen significant growth in user activity and community engagement, driving continued expansion across its product, engineering, operations, and go-to-market teams.