• Application deadline: 4 weeks
    V

    Smart Contract Engineer

    Veda FULL_TIMENA

    Job description
    This role supports Veda’s Solidity engineering organization, contributing to the architecture, reliability, and security of smart contracts that power high-TVL DeFi vaults. The position involves designing new protocol features, maintaining existing vault infrastructure, and ensuring strong security practices through threat modeling, formal verification, and audit-by-design methodologies. Engineers will work across...
  • Application deadline: 4 weeks
    C

    Solidity Compiler Frontend Engineer

    CertiK FULL_TIMENA

    Job description
    This role focuses on the design and development of Solidity compiler frontend components within CertiK’s blockchain security engineering team. The position involves building and optimizing compiler infrastructure used for static analysis, semantic checks, and integration with formal verification tools. The engineer will work on parsing, AST generation, and type systems...
  • Application deadline: 4 weeks
    Job description
    This role supports CertiK’s blockchain security engineering function, focusing on auditing decentralized systems and contributing to internal security tools. The position is designed for early-career engineers with a strong technical foundation and an interest in securing smart contracts, protocols, and blockchain infrastructure. The work involves reviewing codebases, researching potential attack...
  • Application deadline: 4 weeks

    Smart Contract Engineer

    Aragon FULL_TIMENA

    Job description
    This role is part of Aragon’s Solutions team, which builds custom integrations on top of Aragon OSx, the company’s modular framework for onchain organizations. The position focuses on translating client requirements into secure smart contract architectures and delivering end-to-end implementations that align with user needs. The engineer works closely with...
  • Application deadline: 4 weeks
    N

    Senior Software Engineer, Runtime

    Nomic FoundationFULL_TIMENA

    Job description
    The Nomic Foundation is a non-profit organization building critical open-source infrastructure for the Ethereum developer ecosystem. This role sits on the EDR team, which is developing a Rust-based Ethereum runtime aimed at tooling, initially serving Hardhat users and, over time, third-party developers integrating execution analysis into their products.As a Senior...
  • Application deadline: 4 weeks
    M

    Senior Protocol Engineer

    Monad FoundationFULL_TIMENA

    Job description
    The Monad Foundation focuses on expanding the impact of decentralized technology by supporting the adoption of the Monad blockchain—an EVM Layer-1 built for parallel execution and high performance. As a Senior Protocol Engineer, you will design and implement smart contracts and supporting systems that leverage Monad’s architecture. The role includes...
  • Application deadline: 4 weeks
    C

    Smart Contract Engineer

    Category LabsFULL_TIMENA

    Job description
    Category Labs, previously Monad Labs, focuses on advancing decentralized systems through high-performance blockchain engineering. The Smart Contract Engineer will work at the application layer, implementing Solidity contracts optimized for the throughput enabled by the Monad client. The role involves collaborating with internal teams to identify ecosystem needs, supporting external app...
  • Application deadline: 4 weeks

    Solana Protocol Engineer

    Wormhole LabsFULL_TIMENA

    Job description
    Wormhole Labs builds decentralized infrastructure spanning core blockchain protocols, trading systems, and user-facing applications. The Solana Protocol Engineer role focuses on developing and maintaining Wormhole’s Solana-based programs and the protocols that extend into the Solana ecosystem. This position involves working across the full protocol lifecycle—ideation, architecture, implementation, review, and deployment—while...
  • Application deadline: 4 weeks
    W

    Full-Stack Blockchain Engineer

    Wormhole LabsFULL_TIMENA

    Job description
    Wormhole Labs develops decentralized systems that support cross-chain applications, protocol infrastructure, and tools used across multiple blockchain environments. The Full-Stack Blockchain Engineer role focuses on contributing to products within the Wormhole ecosystem, including smart contracts across several chains, validator software, and development frameworks that enable multichain interoperability. The position involves...
  • Application deadline: 3 weeks
    C

    Smart Contract Engineer

    ClearmaticsFULL_TIMENA

    Job description
    Clearmatics builds decentralized financial market infrastructure designed to enable open, efficient, and interoperable markets. The company focuses on systems that allow peer-to-peer trading, settlement, and the creation of markets around real-world risk factors not well represented in traditional finance. As a Smart Contract Engineer, you will develop and maintain Solidity-based...
  • Application deadline: 3 weeks
    D

    Software Engineer

    Douro LabsFULL_TIMENA

    Job description
    Douro Labs builds market data infrastructure used across decentralized finance. The engineering team develops backend systems, smart contracts, SDKs, monitoring tools, and open-source components that support Pyth-related products. In this Software Engineer role, you’ll work on both on-chain and off-chain projects, contribute to developer-facing tooling, and participate in shaping product...
  • Application deadline: 3 weeks
    P

    Junior Smart Contract Engineer

    Plume NetworkFULL_TIMENA

    Job description
    Plume Network is developing infrastructure for tokenized capital markets, with a focus on core EVM-based components that support features such as RWA tokenization, identity attestations, and onboarding workflows. The Junior Smart Contract Engineer will work closely with the CTO to build, deploy, and maintain Solidity smart contracts central to the...
  • Application deadline: 3 weeks
    S

    Full Stack Engineer

    SpearbitFULL_TIMENA

    Job description
    Spearbit, along with its Cantina platform, builds tools that address security needs across the Web3 ecosystem. The team provides infrastructure that supports collaborative security reviews, security competitions, bug bounties, incident response workflows, and AI-driven code analysis. The Full Stack Engineer will contribute to the design and development of core user-facing...
  • Application deadline: 3 weeks
    O

    Site Reliability Engineer

    Offchain LabsFULL_TIMENA

    Job description
    Offchain Labs is seeking a Site Reliability Engineer to support and scale infrastructure powering the Arbitrum ecosystem. The role focuses on maintaining Kubernetes-based deployments, automating infrastructure using declarative tooling such as Terraform, and working within GitOps workflows using tools like ArgoCD. The candidate will diagnose complex reliability issues across distributed...
  • Application deadline: 3 weeks
    O

    Blockchain Engineer — Smart Contracts

    Offchain LabsFULL_TIMENA

    Job description
    Offchain Labs is hiring a Blockchain Engineer focused on smart contract development within the Arbitrum Nitro technology stack. The role involves working across the lifecycle of smart contract engineering — from specification design and prototyping to production code and testing. The engineer will collaborate with internal research and product teams,...
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