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Lead security strategy and execution for a DeFi protocol: smart-contract audits, cloud and CI/CD hardening, incident response, and vendor oversight.
Provide fractional financial, treasury, and economic-system leadership during the Foundation’s early build-out. Advise on institutional-grade controls, reporting, compliance, custody, capital markets, risk, runway,…
Develop and iterate on Web3 products, track emerging blockchain technology, and build blockchain and contract code for Nulink. Responsibilities Design and develop Web3 products Iterate on the assigned product Track…
Build Solana smart contracts in Rust with Anchor, integrate DeFi protocols, and develop low-latency trading strategies with real-time WebSocket feeds.
About the Company Born from groundbreaking research at Columbia University and Yale University, CertiK is a leading Web3 security company focused on securing blockchain protocols, smart contracts, and decentralized…
Build the Web2 frontend from scratch using React/Next.js and TypeScript, then integrate Web3 features for Pet360’s blockchain-based pet ecosystem in Brazil.
We're looking for a Senior Backend Engineer to join our backend team at Zerion. This team builds and evolves the backend systems at the core of our products and customer-facing solutions. In this role, you'll…
About Chainlink Chainlink is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). The Chainlink stack provides the essential data,…
Secure a high-load financial platform processing crypto and fiat payments by designing cloud and Kubernetes security controls, implementing DevSecOps pipelines, and enforcing cryptographic best practices.
Builds and maintains the OP Stack, a Rust-based blockchain protocol powering Ethereum L2 networks, focusing on core client infrastructure and enterprise features.
Design, build, and scale global payment rails covering traditional and crypto/stablecoin infrastructures, collaborating cross-functionally to deliver secure, seamless experiences.
Build and integrate Web3 components for Citi’s digital asset platform, including smart contracts, blockchain protocol connectors, and on-chain event listeners using Java/Spring and Web3 libraries.
Build and secure Citi’s Digital Assets Platform in Java, integrating HSMs and MPC protocols to protect billions in institutional crypto infrastructure.
You will drive institutional sales of validation services to hedge funds, venture capital firms, family offices, and other institutional investors. You will manage the full sales cycle, develop custodial partnerships,…
You will own the technical architecture and delivery of a compliance data platform. You will write Python and TypeScript code, design PostgreSQL schemas, build multi-source ingestion and ETL/ELT pipelines, integrate…
You own protocol features through architecture, implementation, documentation, deployment, and monitoring. You build conformance and adversarial tests, execute safe protocol upgrades, resolve availability and…
Lead a DevOps team to architect, secure, and maintain AWS-based infrastructure for regulated digital asset markets, enforcing IaC, CI/CD, and compliance standards.
Builds and maintains high-throughput backend systems for a top crypto exchange, integrating on-chain data pipelines, APIs, and distributed services across EVM and Solana.
Build web apps and NFT marketplace features using React.js, optimize performance, and develop back-end systems for NFT minting projects.
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