Ritual is building a blockchain execution layer designed for AI-native operations, combining distributed systems, crypto infrastructure, and AI model access into a unified network. Their stack includes a live private testnet and products enabling both on-chain and off-chain AI execution. This role sits at the core of scaling distributed infrastructure,...

NDAX is a cryptocurrency exchange based in Canada focused on building digital asset trading infrastructure and blockchain-based financial services. The company operates an exchange platform and develops blockchain technology solutions within its engineering division. This role involves working as a Full Stack Blockchain Developer responsible for building and maintaining Ethereum-based...

IntellectEU is an international technology company focused on digital finance, financial messaging, and emerging technologies. Since 2006 the company has worked with financial institutions on large-scale integrations, payment infrastructure, and digital asset platforms, including being a SWIFT service partner. Its engineering teams build distributed systems and blockchain infrastructure used in...

Risk Labs is the core development team supporting decentralized protocols including UMA and Across. UMA provides an optimistic oracle that records verifiable data on blockchains, while Across focuses on cross-chain interoperability using intent-based architecture. The Senior Solutions Engineer role works at the intersection of engineering, product, and partnerships to support...

Coinbase is a global cryptocurrency exchange and blockchain infrastructure company focused on expanding economic access through digital assets and onchain financial systems. The Senior Blockchain Security Engineer role sits within Coinbase’s Blockchain Security (BlockSec) team, which focuses on protecting funds, protocols, and wallet interactions across blockchain networks. This position operates...

Yield.xyz builds yield infrastructure for Web3 developers by aggregating staking, restaking, stablecoin, and DeFi yield opportunities across multiple blockchains into a unified API platform. The Backend Integrations Engineer role focuses on designing backend systems that connect Web2 infrastructure with blockchain-based financial protocols. This position operates as a remote role in...

Swissblock Technologies is a private investment firm focused on integrating cryptocurrency markets with cross-asset investment strategies. The firm manages systematic multi-strategy portfolios that combine digital assets with traditional financial markets using quantitative research and algorithmic trading systems. The Senior Quantitative Researcher will join the Systematic Crypto Group, where researchers transform...

Keyrock is a digital asset market maker operating across more than 80 exchanges and working with a wide range of asset issuers. The company provides services across market making, options trading, high-frequency trading, OTC trading, DeFi trading desks, and digital asset management. The Rust Engineer – Platform role focuses on...

Parity builds core blockchain infrastructure including Polkadot, Polkadot SDK, and Kusama. This contract-based, remote role sits within the Security Engineering team and focuses on strengthening security across decentralized systems and Rust-based software components. The Security Engineer will conduct deep manual and automated audits, write secure Rust code where required, and...

Veda builds DeFi infrastructure that enables financial platforms to launch on-chain yield products through enterprise-grade integrations. The protocol supports multiple large vault products and operates at multi-billion TVL scale with a global user base. This Smart Contract Engineer role focuses on Solidity development across vault systems, upgradeable proxy architecture, account...

CertiK is a blockchain security company focused on audits, security research, and infrastructure protection across decentralized systems. The firm has audited thousands of Web3 projects and supports protocols securing large volumes of digital assets. This Junior Blockchain Security Engineer role sits within web3 security roles and supports smart contract audits,...