Top Tech Jobs & Startup Jobs in NYC, NY

Owner of large-scale frontend architecture using React and Next.js; optimize performance, reliability, and data fetching for high-concurrency user flows. Lead end-to-end initiatives, design scalable frontend patterns, define client-server boundaries with backend/Solana teams, enforce quality and testing standards, and mentor other engineers.

Build and optimize a high-performance React Native mobile app for crypto SocialFi users. Integrate APIs, real-time data, and decentralized technologies, solve wallet and smart-contract challenges, ship features rapidly, and collaborate cross-functionally to maintain a scalable, modular codebase.

Work as a junior full-stack engineer on ultra-low-latency, high-throughput production systems. Build and iterate features across backend, data pipelines, and high-performance frontends; design scalable systems, prototype quickly, own features end-to-end, and collaborate within a high-expectation, in-person team.

Lead U.S. financial services go-to-market: own full sales lifecycle, build and qualify pipeline, engage C-level stakeholders, position distributed ledger and tokenization solutions, collaborate with product and engineering, and scale repeatable enterprise sales motions.

Design, deploy, and operate high-performance compute, storage, and networking infrastructure. Build automation, CI/CD pipelines, container deployments, monitoring, and indexing/explorer services. Optimize system performance, provision time‑series and key‑value databases, and ensure reliable, low-latency operation for real-time crypto trading systems.

Lead development of a production autonomous-agent intelligence layer: implement closed-loop learning from trade outcomes, build evaluation and automated strategy generation, monitor fleet performance, manage risk and capital allocation, own model training/inference pipelines (including LLM hosting/fine-tuning), and build telemetry and data capture for real-time market adaptation.

Inaugural DevRel Engineer responsible for end-to-end developer content, building demos and open-source templates in TypeScript, growing community across GitHub/YouTube/socials, dogfooding the platform to inform product, and representing the company at industry events.

Build and scale a developer community (digital and in-person), plan and run Bay Area meetups and hackathons, recruit speakers and partners, manage Slack engagement, and convert community activity into sales pipeline.

Lead US institutional sales for a Web3 infrastructure platform, driving ARR growth, sourcing and closing complex enterprise deals with banks and fintechs, managing procurement/RFPs, collaborating with product and engineering for technical evaluations, and supporting post-sale onboarding and account expansion while representing the company at industry events.

Build and scale the go-to-market sales engine as the first sales hire. Own full-cycle outbound enterprise sales targeting insurers and MGAs, drive pipeline generation, close high-ACV deals ($150K+), and create repeatable processes, playbooks, and collaboration with product and operations to optimize solution-market fit.