Alchemy builds developer infrastructure and tooling that supports onchain applications and distributed protocols. This role focuses on designing and maintaining smart contract–based protocols that extend Alchemy’s developer platform. As a Smart Contract Engineer, you will architect distributed protocols with a focus on security, scalability, and performance, and maintain them in...

OpenZeppelin is a blockchain security company focused on protecting decentralized applications and smart contracts. The team develops open-source contract libraries and provides security services that support the full lifecycle of blockchain projects. As a Blockchain Security Researcher, you will analyze smart contracts for decentralized applications prior to launch, identify vulnerabilities,...

This role focuses on building and securing peer-to-peer networking layers for a blockchain-based system. The Blockchain Engineer will design resilient P2P components using gossip protocols, distributed hash tables, and NAT traversal techniques. The position owns network performance, reliability, and security, with responsibilities spanning monitoring, debugging, and latency optimization. The role...

<?xml encoding="UTF-8"> Risk Labs is the core team behind the UMA and Across ecosystems, building infrastructure that enables verifiable real-world data and cross-chain interoperability for Web3. This remote web3 role combines engineering leadership with hands-on architecture and development responsibilities. The Engineering Manager will guide a small cross-stack team while remaining...

<?xml encoding="UTF-8"> Conduit builds a rollup-native cloud platform designed to scale Ethereum by making onchain compute easier to launch and operate. This layer 2 scaling role focuses on the backend systems that power Conduit’s platform, where engineers work directly on EVM node architecture, performance, and reliability. The Blockchain Engineer will...

Paradex is a decentralized finance platform combining exchange trading, asset management, and borrow/lend functionality within a single unified account structure. The company operates a high-throughput blockchain-based system supporting a wide range of spot and derivatives markets. As a Data Engineer, you will be responsible for designing and maintaining the data...

Paradex is a decentralized finance platform building a unified system that combines exchange trading, asset management, and borrow/lend functionality on a high-performance blockchain. The team operates with a flat structure and focuses on shipping production-grade systems without traditional management layers. As a Fullstack Engineer, you will own the end-to-end development...

LI.FI builds infrastructure that enables unified access to on-chain liquidity across multiple blockchains through a single API, supporting same-chain and cross-chain swaps. This role sits within the Smart Contract API Expansion team, which focuses on integrating new chains, bridges, and protocol functionality across EVM networks. As a Mid/Senior Smart Contract...

This role sits within Securitize’s engineering team and focuses on building and maintaining blockchain-based systems that support tokenized real-world assets. The position involves developing backend services using Node.js, NestJS, and TypeScript, alongside designing and deploying Solidity smart contracts on Ethereum and other EVM-compatible networks. The developer contributes to CI/CD pipelines,...

Fortytwo is developing a decentralized AI protocol on Monad that uses idle consumer hardware to enable swarm-based inference for small language models. The protocol focuses on distributed computation, resilience, and efficient collaboration between decentralized nodes to support advanced multi-step reasoning at reduced cost. The Senior Rust Developer role is responsible...

1inch is a DeFi ecosystem that develops protocols, APIs, and products used for trading, holding, and tracking digital assets through self-custodial infrastructure. The blockchain engineering team is responsible for building and maintaining core smart contract systems and on-chain components that support decentralized trading and cross-chain functionality. The Senior Software Engineer...

GRVT is building a trading platform with a focus on performance, reliability, and continuous operation. The Senior Backend Engineer role sits within the Trade Engineering team and is responsible for designing, developing, and operating core backend components such as matching engines, order management systems, and real-time market and trade data...

Republic AI is building infrastructure for a blockchain protocol integrated with a decentralized AI compute network. The DevOps Engineer role focuses on designing, operating, and securing the systems that support validator nodes, GPU-based compute nodes, and AI workloads. This position owns CI/CD pipelines, deployment automation, monitoring, and performance optimization across...

<?xml encoding="UTF-8"> Coinme operates a digital financial services platform that combines blockchain infrastructure with consumer and enterprise payment systems. The Senior Software Engineer, Payments role focuses on building and maintaining backend systems that manage the movement of fiat and crypto funds across customer transactions. This position works within a distributed,...

<?xml encoding="UTF-8"> OKX operates a global crypto exchange and wallet ecosystem serving retail users and institutions, with a strong focus on regulatory reliability and proof of reserves. This crypto compliance role sits within the UAE entity and supports the Compliance function responsible for maintaining regulatory alignment and enterprise risk standards....

<?xml encoding="UTF-8"> Senior Frontend Engineer — React / TypeScript — Global — Remote builds financial infrastructure and products for the stablecoin economy, including a widely used multisig platform on Solana. This remote web3 role focuses on owning the frontend experience for secure, high-performance web applications used by treasury teams, validators,...

This full-time role contributes to CertiK’s blockchain security services across smart contract auditing, security reviews, and broader cybersecurity work. The position focuses on identifying and analyzing vulnerabilities in blockchain systems, documenting attack patterns, and supporting the development of tools for feature-based code analysis. The role operates at the intersection of...