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    Blockchain Platform Engineer

    W Group
    Ukraine
    Full-time
    DevOps & Infrastructure
    Apply Now

    "What You'll Be Doing"

    What You'll Be Doing

    Deploy, upgrade, and operate OP Stack components.

    Set up monitoring and alerting using Prometheus and Grafana, including PromQL dashboards and instrumentation of domain metrics such as economic activity, bridge operations, and sequencing.

    Participate in the on-call rotation, lead incident response, and write post-mortems and runbooks.

    Collaborate with smart contract, security, and product teams on launches, network upgrades, and hard fork activations.

    Support collaboration, knowledge sharing, and professional growth across the team.

    Work with cross-functional teams to define project requirements and ensure alignment with business objectives.

    Stay current on advancements in blockchain technology and Ethereum, applying new features and best practices to improve our solutions.

    What We're Looking For

    4+ years of professional software engineering experience, including at least 2+ years hands-on in the blockchain domain.

    Strong production experience with Golang — writing and shipping services in Go, and comfort reading, debugging, and patching upstream Go codebases.

    Extensive experience with Ethereum, including a deep understanding of its protocol, smart contract development, and related technologies.

    Hands-on experience developing, deploying, and maintaining smart contracts on EVM chains using Solidity.

    Understanding of Layer 2s and optimistic rollup fundamentals, including block derivation from L1, batch submission, state proposals, the withdrawal flow, and forced inclusion.

    Understanding of OP Stack components and architecture.

    Familiarity with Kubernetes for container orchestration and CI/CD tools for deployment automation.

    Familiarity with monitoring tools such as Prometheus and Grafana for performance tracking.

    Familiarity with cloud platforms (AWS preferred); experience with Docker containerization is a strong plus.

    Bonus Points

    Rust proficiency at the level of reading and patching code.

    Understanding of fault proofs, including dispute games, bisection, FPVM, and ZK-based approaches.

    Experience conducting and successfully passing smart contract security audits.

    Experience developing blockchain nodes, bridges, indexers, or similar infrastructure.

    Why Join Us

    Opportunity to work with cutting-edge Web3 and crypto technologies.

    Modern equipment and comfortable working conditions.

    24 calendar days of paid leave, plus additional days off for national holidays.

    Ready to Apply?

    To submit your application for this position, please visit W Group's official website and follow their application process.

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