Top Tech Jobs & Startup Jobs in NYC, NY

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug contracts, document processes, and provide technical support while staying current on blockchain and payments trends.

Lead growth initiatives for a hardware wallet's software ecosystem by optimizing onboarding funnels, leveraging analytics (Mixpanel, Amplitude), collaborating with cross-functional teams, conducting market research, and implementing strategies to boost user engagement and retention.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, troubleshoot Ethereum issues, and stay current with Ethereum advancements.

Lead development of an AI-enabled Ethereum Layer 2 platform: build front-end and back-end systems, deploy and optimize AI models, create data pipelines, collaborate on model training, and contribute to product innovation and other company projects.

Lead developer relations and growth for a decentralized AI agents platform: create technical docs, tutorials, and code samples; represent the project at global events; engage and support developers across Discord/Telegram/GitHub; identify onboarding friction and collaborate with product and partner projects to drive adoption.

Provide legal support for a cross-border blockchain payments fintech: draft and review contracts, monitor SEC and MiCA regulatory changes, advise on crypto/fintech matters, conduct legal research, and ensure internal compliance.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to deliver features, troubleshoot and optimize app performance, and propose enhancements based on emerging technologies.

Independent full-cycle recruiter managing sourcing, client engagement, offer negotiation, and placements using AI-driven tools. Acts as commercial advisor, provides market insights, and maintains self-directed billing and activity in a results-only, remote environment.

Lead product vision and strategy for a liquid staking and derivatives DeFi platform. Define KPIs, conduct market research, align features with company goals, guide cross-functional teams through product lifecycle, and communicate strategy to stakeholders and investors.

Drive institutional adoption of the platform by sourcing and managing Tier-1/2 institutional prospects, negotiating partnerships and integrations, coordinating onboarding/compliance, advocating product needs, and representing the firm at global summits.