Top Tech Jobs & Startup Jobs in NYC, NY

Build and ship full‑stack web and mobile features, own projects end‑to‑end, integrate payment and financial APIs, and create scalable, reliable services handling real money with strong security, observability, and high code quality while collaborating with product and design.

Own and build core backend services for global payments: design scalable distributed systems, integrate with banks and payment partners, ensure high availability, observability, security, and deployment workflows. Drive backend architecture, APIs, infrastructure as code, mentoring, and operational reliability.

Owner of fraud and transaction risk detection for digital asset payments. Build monitoring, investigate flagged transactions, file SARs, design risk models and ML-driven detection, ensure AML/KYC compliance, and advise on product launch risk.

Own partner-led distribution and revenue for Fin's global payments app by identifying, pitching, and closing partner integrations. Negotiate commercial terms, define simple success metrics, coordinate with product and engineering to deliver integrations, and feed market insights into roadmap and GTM strategy to drive active accounts, payment volume, and partner-sourced revenue.

Lead end-to-end product development for a payments platform: user research, scoping, roadmap prioritization, operational readiness, partner integrations, launch, and iterative improvement using metrics and feedback.

Own and build Fin's React Native mobile app for iOS and Android. Design simple, trustworthy payment flows and secure custody/account patterns. Collaborate with design, product, backend, and infra to prototype, integrate APIs/payments/identity, maintain architecture and performance, ensure code quality, testing, and ship features from idea to production.