Ethena Labs is seeking a Head of Security to establish and lead its end-to-end security framework across digital, physical, and operational domains. The role reports to the CTO and works closely with a fractional CISO while partnering with engineering, product, and operational teams. This position is responsible for creating a...

Protofire is seeking a Middle/Senior Fullstack Blockchain Developer to work on projects across major Web3 ecosystems. The role focuses on building backend and frontend components for EVM-compatible applications that serve large user bases. You will contribute to products used across multiple blockchain networks and collaborate with platform teams, project stakeholders,...

Protofire is hiring a Blockchain Architect to support the design and delivery of Web3 solutions for clients and community projects. The role involves leading early-stage discovery, defining technical requirements, and shaping high-level architecture that aligns with customer goals. You will work closely with sales, product, and engineering teams to evaluate...

Blockdaemon is hiring a Frontend Engineer to support its Wallet Engineering team in building user-focused web applications for institutional blockchain infrastructure. The role centers on developing accessible, performant interfaces that make complex blockchain workflows intuitive for end-users. You’ll work closely with product, design, and backend teams to translate requirements into...

Aptos Labs is a people-first blockchain project built on the foundations of the original Diem research, focused on enabling global access to safe and scalable decentralized assets. The Platform team provides the core tooling and infrastructure that support internal engineering teams and the wider Aptos ecosystem. As a Platform Engineer,...

Mysten Labs develops foundational infrastructure for decentralized systems and Web3 applications. The Walrus Core team is building Walrus, a decentralized storage network designed for high efficiency, strong safety guarantees, and long-term scalability. As a Senior Software Engineer, you will work on the low-level components that power Walrus nodes, storage pipelines,...

Mysten Labs builds foundational blockchain infrastructure and protocols, including the Sui and Walrus ecosystems. The Developer Relations team connects directly with developers, providing guidance, feedback channels, and resources to help teams build next-generation Web3 applications on the Mysten stack. As a Senior Developer Relations Engineer, you will develop technical expertise...

QuickNode is a remote-first blockchain infrastructure company supporting Web3 builders with high-performance global data services. The Solutions Engineering team guides enterprise and high-growth customers through technical evaluation, solution design, and adoption of QuickNode’s infrastructure. As a Solutions Engineer II, you will act as a trusted technical partner during pre-sales engagements,...

QuickNode is a global, remote-first blockchain infrastructure company operating high-performance validators, RPC services, and indexing pipelines for large-scale Web3 applications. This role focuses specifically on Solana production operations—ensuring validators, RPC nodes, and related hardware deliver low-latency, reliable performance at scale. The position involves deep systems-level work across Linux, kernel tuning,...

QuickNode is a global remote-first infrastructure provider supporting large-scale blockchain applications. The company’s engineering team maintains high-performance, globally distributed systems that serve billions of requests daily. This Senior Software Engineer role sits within the Build team, working on core infrastructure and new product capabilities. The position requires tackling complex, unsolved...