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Raydar

Senior Mobile App Developer

Sorry, this job was removed at 11:05 a.m. (EST) on Friday, Oct 23, 2026
Remote
Hiring Remotely in United States
150K-250K Annually
Senior level
Remote
Hiring Remotely in United States
150K-250K Annually
Senior level

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About the company

Our client is a technology company.

The role

Raydar is recruiting for this role on behalf of our client. Take technical ownership of a cross-platform mobile product, splitting time between writing code and setting direction for its design and quality. Collaborate with product, design and backend colleagues to keep the app evolving and shipping on a steady cadence.

What you'll do

- Take over an existing mobile app and keep its development moving smoothly.

- Own the structure, scalability, speed, stability and long-term upkeep of the app across both major mobile platforms.

- Partner with product, design, backend and full-stack colleagues to turn demanding features into intuitive mobile experiences.

- Shape service interfaces, third-party connections and live data streaming within the app.

- Build substantial new features in React Native and TypeScript, many from a blank slate.

- Define and maintain coding standards, conventions and good practice for the codebase.

- Guide features from technical planning through development, testing, public release, monitoring and refinement.

- Troubleshoot difficult live issues and tune the app for responsiveness.

- Coach teammates through peer review, design conversations and paired work.


Requirements

What we're looking for

- At least 8 years in software engineering, with a strong focus on mobile development.

- A history of delivering production apps for both iOS and Android.

- Solid commercial background with React Native, TypeScript and JavaScript.

- Recent experience building mobile products in the crypto or blockchain space.

- Comfort writing plenty of code while also making key technical calls in a small, fully remote team.

- Willingness to work within US Eastern or Central time zones.

Bonus points

- Background building financial or trading products with live market information, order handling and charts.

- Experience leading mobile architecture and technical direction.

- Experience releasing and maintaining apps through the major mobile app marketplaces.

- A path into crypto from traditional finance or fintech.


Benefits

Compensation and benefits

- Base salary: USD 150,000 to 250,000 per year

- Equity

- Performance bonus

- Health insurance and benefits

Location and work model

- Remote (US)

- Full-time

What you need to know about the NYC Tech Scene

As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.

Key Facts About NYC Tech

  • Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
  • Key Industries: Artificial intelligence, Fintech
  • Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
  • Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory

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