Top Tech Jobs & Startup Jobs in NYC, NY

Own fomo’s onchain trading infrastructure, including secure and gas-efficient Solidity smart contracts, cross-chain execution, solver and intent routing, automated trade triggers, blockchain indexing, and low-latency data services. Debug EVM production issues, lead protocol security reviews and audits, and set the technical direction for the company’s onchain stack while partnering with backend engineers and founders.

Own the end-to-end design of a product line across mobile and web, shaping strategy, design direction, systems, prototypes, and shipped experiences. Collaborate closely with founders, product, engineering, and frontend teams; maintain coherence across trading products; raise design quality; mentor designers; support hiring; and advance AI-enabled design and development workflows.

Lead fomo’s application security program through architecture reviews, threat modeling, secure SDLC implementation, code reviews, penetration testing, vulnerability management, security tooling, and incident response. Establish authentication, authorization, API security, and data protection standards; manage pentest and bug bounty relationships; mentor engineers; and define the AppSec roadmap and metrics.

Senior Commercial & Corporate Counsel will serve as fomo’s second attorney, owning complex commercial contracts, leading strategic partnership negotiations, and advising executives and cross-functional teams. The role also supports corporate governance, board preparation, subsidiary management, potential financings, and scalable legal operations. Candidates need a U.S. J.D., active New York bar admission, and 4–8 years of relevant experience. The position is on-site in New York City.

Own product features end to end across mobile and web, from problem framing through launch. Collaborate closely with frontend engineers, prototype and refine interactions, use AI and emerging tools, and evolve the design system. The role requires strong product intuition, high visual and interaction craft, autonomy, and shipped work ownership. Consumer or fintech experience and personal crypto trading experience are advantageous.

Own and advance fomo’s mobile Expo app and web React Router/Vite app. Build new order types, asset classes, and social features while working autonomously across the stack when appropriate. Collaborate with a crypto-native engineering team and contribute to a fast-growing product in an in-person NYC environment.

Own the reliability, scalability, and performance of a multi-region backend platform. Design and operate high-throughput services, optimize PostgreSQL and Redis-compatible datastores, implement resilience controls, reduce cross-region latency, and build tested failover and disaster-recovery capabilities. This hands-on role directly operates production infrastructure, improves observability, and helps architect scalable features.

Build and scale backend systems for a crypto trading and social app, including trade execution infrastructure, onchain data ingestion, portfolio tracking, content recommendation engines, analytics pipelines, and infrastructure optimization. The role uses TypeScript and Go microservices with some Rust, offers cross-functional frontend contributions, and requires autonomous execution in an in-person New York City environment.

Partner with GTM and Product to evolve and document the fomo brand system, design social campaigns, create cohesive product touchpoints, and produce merch concepts. Expand visual language across typography, color, illustration, and motion/3D where applicable to drive growth and conversion.