Top Cryptocurrency Software Engineer Jobs in New York City, NY

Design and operate Go backend services for listing and settling prediction-market contracts. Lead migration from Python and Airflow, build provider data pipelines, reconcile events idempotently, and develop resilient settlement logic for failures and corrections. Establish engineering standards, make architecture decisions, mentor engineers, participate in on-call and incident response, and collaborate with trading, compliance, operations, and product teams.

Lead the technical vision and development of Ripple’s global marketing technology platform. Build scalable full-stack experiences with Next.js, Sanity, and Vercel; integrate AI agents and workflow automation; develop experimentation, personalization, analytics, and marketing data pipelines; optimize performance, SEO, and edge delivery; establish engineering standards; lead cross-functional initiatives; and mentor engineers.

Staff Software Engineer responsible for designing, building, and operating distributed market data systems. The role focuses on real-time blockchain data ingestion, streaming, normalization, storage, APIs, reliability, data correctness, observability, incident recovery, and production support. The engineer will lead technical decisions, mentor teammates, translate ambiguous requirements into designs, and use AI-assisted development throughout the software lifecycle.

Design and evolve core double-entry ledger systems supporting balances, trading positions, financial reporting, reconciliation, and proof-of-reserve mechanisms. Partner with engineering, Finance, Data Engineering, and Product teams to ensure financial correctness, extensible data models, and accurate legal entity, pricing, and ledger placement decisions. Requires backend engineering expertise and strong accounting knowledge, with preferred experience in crypto infrastructure, blockchain, event-driven architectures, Kafka, or fintech accounting systems.

Design, build, and operate backend services for stablecoin minting, burning, reserve accounting, reconciliation, settlement, and payments APIs. Integrate with banks, custodians, issuers, blockchains, and partner APIs while ensuring secure, observable, and reliable money movement. Build audit trails, monitoring, runbooks, and incident-response processes, and contribute to customer and operations workflows. Translate ambiguous business and compliance needs into robust technical systems.

Design, implement, research, and improve smart contracts for the Uniswap Protocol. The role involves developing production-grade Solidity contracts, creating new smart contract paradigms, implementing peripheral protocol mechanisms, and deploying complex systems to the Ethereum mainnet. Candidates need deep Ethereum Virtual Machine knowledge and extensive experience delivering production smart contract systems.

Design, build, and maintain Stellar Core, the distributed system powering the Stellar blockchain. Responsibilities include developing scalable network components, improving peer-to-peer and processing performance, strengthening resilience and decentralization, investigating bottlenecks, authoring protocol specifications, and contributing to architecture, code reviews, and open-source engineering practices.

Software Engineering Interns will develop products and features for Gemini’s crypto platform, collaborate with senior engineers, contribute to design discussions, review code, improve system reliability and performance, and help diagnose production issues. The role offers frontend and backend opportunities, mentorship, and hands-on experience building secure, scalable software for blockchain and digital asset products.

Build and own full-stack web features from inception through launch, integrating third-party APIs and reasoning about complex financial state machines. Work across front-end and back-end technologies, maintain high quality standards, communicate directly with customers, and iterate on products after launch in a fast-moving startup environment.

Engineering leadership opportunities across Dragonfly portfolio companies. Candidates should have 6+ years of engineering management experience, including experience as a team lead, manager, or technical co-founder. Dragonfly’s Talent team confidentially matches candidates with aligned portfolio companies and facilitates introductions when mutual interest exists.