Senior Mobile Engineer developing cross-platform banking application using React Native and TypeScript at a fintech startup. Leading technical decisions and improving UI/UX collaboration with designers and product owners.
Responsibilities
Architect and build a mobile banking application using React Native with TypeScript
Deliver high‑quality, responsive, and performant UI/UX in collaboration with designers and product owners
Integrate with backend services and third‑party APIs securely and reliably
Set up and maintain CI/CD pipelines for automated builds, testing, and deployments
Set standards for code quality, performance, security, and maintainability
Define and execute a strong mobile testing strategy (unit, integration, and end‑to‑end tests)
Champion code quality through clean code, reviews, documentation, and best practices
Monitor, measure, and improve app performance, stability, and scalability
Partner with cross‑functional teams (design, backend, QA, product) to ship features end‑to‑end
Continuously identify opportunities to improve development processes and tools
Requirements
Proven experience building production-grade mobile applications from scratch
Expert in React Native + TypeScript, with deep frontend knowledge
Strong understanding of mobile performance, security, and UX best practices
Comfortable making technical decisions and driving standards
Experience setting up CI/CD pipelines and automated testing workflows
Independent, proactive, and able to thrive in a startup environment
Passionate about fintech, security, and building scalable products
Minimum 5 years of mobile development experience, ideally with full lifecycle experience from scratch to production
Experience as a founding or early mobile engineer at a fintech or high-growth startup is a strong plus
Familiarity with cross-platform challenges and optimizing for both iOS and Android.
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