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 advisors....

Syndicate builds infrastructure that helps development teams abstract the operational complexity of web3 and focus on delivering end-user products. Founded in 2021, the company operates as a remote-first organization and develops tooling that supports scalable blockchain-based applications.The Software Engineer – Infrastructure & SRE role is part of the engineering team...

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, strengthening...

WorkOS builds developer-focused infrastructure that helps SaaS companies implement authentication, identity, authorization, and enterprise-readiness features. The company operates as a fully distributed team across North American time zones and serves a large base of growing software companies.The Security Engineer role sits within the security team and is responsible for defining,...

Exegy is hiring a Security Engineer focused on Attack Surface Management to own and mature its vulnerability management program. This role is responsible for reducing real organizational risk by identifying, prioritizing, and driving remediation of exploitable vulnerabilities across endpoints, servers, cloud workloads, SaaS platforms, and internet-facing systems. The position emphasizes...

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...

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...

Token Metrics builds crypto-focused analytics and infrastructure products used by investors and portfolio managers across global markets. This contract role sits within the engineering team and focuses on developing EVM-based smart contract infrastructure, including work related to ERC-4626 vault routing. As a Web3 Blockchain Engineer, you will collaborate closely with...

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...

Jito Labs builds high-performance distributed systems on Solana, including the Jito-Solana client and block-building infrastructure used by validators and MEV participants. The team operates as a small, profitable engineering-focused company working on production-grade blockchain infrastructure. As a Technical Support Engineer, you will act as a technical point of contact for...

Plasma is building a purpose-designed blockchain optimized for stablecoin payments, focusing on performance, predictability, and security for real-world financial use cases. The network is fully EVM-compatible, uses Reth as its execution layer, and runs on a custom high-performance consensus protocol, PlasmaBFT. As a Research Engineer, you will work within a...

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...

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...

Alchemy builds developer infrastructure used to operate blockchain applications at scale. The Product Lead, Solana role owns the direction and execution of Alchemy’s Solana product offering, which supports high-throughput, low-latency blockchain workloads and handles billions of API requests daily. This position is responsible for defining the product roadmap, managing a...