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Build Web3 front-ends with React, Next.js, and TypeScript; integrate wallets and smart contracts for DeFi, trading, and wallet products.
Senior engineer building and running the secure development lifecycle for crypto products, including threat modeling, automated security pipelines, and code reviews for Java/Kotlin and TypeScript/Python systems handling billions in transactions.
Security Engineer embedded with Institutional Trading to secure off-chain trading infrastructure, key custody, order routing, and settlement pipelines, implementing monitoring, KMS/HSM hygiene, and risk controls for a crypto-fintech company.
Own the payment transaction domain, design the signing pipeline architecture, and extend Solidity smart contracts for a blockchain-based payments network.
Build and extend blockchain payment infrastructure, including Solidity smart contracts, signing pipelines, and audit trails for a crypto-fintech product.
Build and ship production-grade software for Uniswap’s protocol and platforms, working end-to-end on backend, frontend, smart contracts, or infrastructure in the New York office.
Build and ship production code for web apps, backend services, and smart contracts at a leading DeFi protocol, working in-person in New York.
Build and maintain the backend for a crypto exchange’s staking service, integrating on-chain protocols and running validator nodes for networks like Ethereum and Solana.
Develop and execute sales and marketing strategies for blockchain projects, enterprise partners, and crypto-native clients. The role combines high-value B2B sales, Web3 community building, content creation, social…
Build and operate high-throughput ETL/ELT pipelines that ingest blockchain, exchange, and text data, then serve clean datasets and APIs for crypto-market analytics and risk models.
Build production code for Uniswap’s DEX, Wallet, and Trading API; work full-stack with a senior mentor in NYC and ship features used by millions.
Build and ship production-grade software for Uniswap’s DEX, Wallet, and Trading API, working in-person in New York on crypto-native systems handling real value.
Design and improve digital security defenses for a crypto custody platform, including monitoring, automation, penetration testing, and compliance with standards like PCI-DSS and ISO 27001.
Design and build backend systems for wallets, identity, and blockchain infrastructure, create APIs, and improve platform scalability and reliability.
Build and maintain web and mobile apps for a blockchain-based finance platform using React, TypeScript, and Web3 tools.
Build Web3 applications and backend systems that bridge blockchain with fintech, focusing on smart contracts, cross-chain libraries, and asset flows.
Build and maintain React/TypeScript web apps, integrate blockchain APIs and smart contracts, and mentor junior devs while collaborating with designers and back-end teams.
Lead a team to build and scale full-stack payment and AI-driven financial software using React, Java, AWS, and smart contracts.
Lead the end-to-end development of DeFi and blockchain products, including tokenomics design, user research, security, and regulatory compliance for a crypto payments company.
Oversee end-to-end delivery of fintech and crypto projects, coordinating cross-functional teams, managing JIRA releases, and building automated AI reporting dashboards.
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