Paxos Labs builds enterprise-grade onchain infrastructure used by large financial organizations to support transparent and verifiable digital asset products. The Smart Contract Engineer role sits within the engineering organization and focuses on scaling the company’s DeFi protocol infrastructure. The position involves researching, designing, and implementing core protocol mechanisms across areas...

Category Labs is a systems engineering and research team building high-performance decentralized infrastructure. The company focuses on application-layer primitives enabled by a custom, high-throughput EVM client. As a Smart Contract Engineer, you will work within the core engineering group to design and implement smart contracts aligned with the performance characteristics...

Lightning Labs is hiring a Senior Security Engineer to support the security posture of its growing, globally distributed engineering organization. This is a hands-on role focused on defining and implementing systems security practices across production and open-source environments that interact with Bitcoin and the Lightning Network. The role involves securing...

Provable is seeking a Security Engineer to oversee and secure its technology infrastructure, with a strong focus on cryptocurrency private key management, cloud security, and systems reliability. The role is part of the engineering function and supports a remote-first operating model. This position is responsible for protecting sensitive cryptographic assets,...

Chainlink Labs develops decentralized oracle infrastructure used across decentralized finance and institutional blockchain applications. The organization focuses on data delivery, interoperability, compliance, and privacy standards that support production-grade smart contract systems. The Research Engineer role sits within the research organization and works closely with core engineering, research scientists, and technical...

<?xml encoding="UTF-8"> Validation Cloud is a Web3 infrastructure company providing products across Node API, Staking, and Data x AI, supporting large-scale blockchain access and analytics. Its platform is used to deliver low-latency node connectivity, staking operations, and data-driven workflows for institutional and ecosystem partners. As a Backend Software Engineer, you...

OP Labs is hiring a Senior Product Manager to lead enterprise-facing products focused on fintech companies and centralized crypto exchanges within the Optimism ecosystem. This role owns the roadmap for products that enable enterprises to integrate onchain functionality—such as trading, yield, and payments—while maintaining compliance, custody, and user experience standards....

<?xml encoding="UTF-8"> TON Foundation is a non-profit organization supporting the growth and adoption of The Open Network (TON) blockchain. The Technical Writer will create, update, and maintain developer documentation that helps builders understand and use TON tools and APIs. This role partners closely with engineering and product teams to extract...

WallStreetBets operates a large-scale financial platform focused on providing tools, data, and community-driven insights for retail traders. The UI/UX Designer will work within the Engineering team to design and evolve the user experience across the WallStreetBets mobile app and website. This role is responsible for creating clear, engaging, and functional...

Wynd Labs builds infrastructure that delivers large-scale public web data used by companies training advanced AI models. The team operates a distributed web crawler supported by a bandwidth-sharing network and maintains data pipelines that ingest, segment, and annotate billions of videos, transcripts, and audio files. The Senior Rust Engineer (Backend)...

0x is hiring a Product Manager to own growth for Matcha Web, its consumer-facing DEX aggregation product. Matcha aggregates liquidity across multiple blockchains and trading sources and serves as a core trading interface within the broader Matcha product suite. This role focuses on increasing volume share and expanding the base...

<?xml encoding="UTF-8"> Syndica provides enterprise-grade RPC infrastructure and developer tooling for the Solana ecosystem, supporting critical Web3 applications with reliable and scalable data access. The company operates at the infrastructure layer, enabling developers, protocols, and researchers to better understand on-chain activity across multiple Web3 sectors. As a Senior Blockchain Data...

<?xml encoding="UTF-8"> TON Foundation is a non-profit organization supporting the development and adoption of The Open Network (TON). The Developer Relations Engineer focuses on improving the developer experience by building practical demos, sample applications, and reusable templates that demonstrate TON capabilities. This role works closely with engineering and product teams...