JOB-1517
An early-stage fintech startup is creating a trading platform and now wants an iOS engineer to build its first native mobile app from nothing. The app is meant to be a complete trading experience on a phone, with streaming prices and advanced order handling, so correctness and reliability matter as much as speed.
Responsibilities
- Create the company’s first iOS trading app from scratch, covering streaming market prices, sophisticated order types and access to several trading venues
- Be the architect of the mobile codebase and lay a foundation later hires can extend safely, where precision with numbers is non-negotiable
- Partner with the founding team and the web front-end engineers so the phone experience mirrors the web product in look and behavior
- Craft gesture-driven screens and snappy interactive charts that pack professional-grade information onto a small display without overwhelming people
- Integrate REST endpoints and WebSocket feeds, recover from dropped connections, keep price feeds in sync and manage device-side cache so the app remains snappy in volatile markets
- Implement wallet integrations, biometric sign-in, signing of transactions and protected on-device key storage
- Run the complete release process through Apple review and set up CI/CD for builds, previews, tests and rollbacks
- Eventually mentor and lead more junior mobile engineers
Who we want
- Three or more years of Swift development for iOS, including taking an app from first commit to launch
- A real, visible interest in trading, whether professional or through personal projects
- Experience with real-time data streams and WebSockets
- Strong UI and UX instincts, including prototyping and gesture-based interfaces
- Public work such as a portfolio or GitHub is a plus, as is fintech, crypto or real-time data experience
On-site in New York, NY, in person every weekday. Visa transfers considered, with limits on remaining validity.
