← all jobs

[Remote] Senior Software Engineer, Protocol (Rust)

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. OP Labs builds Optimism, an open-source blockchain network and the OP Stack that powers Ethereum Layer 2 infrastructure and enterprise blockchain networks. The Senior Software Engineer, Protocol will develop and operate core protocol specifications and clients, including Rust-based consensus-client infrastructure, while owning features from architecture through deployment and monitoring. The role also involves building compatibility tests, executing protocol upgrades, and resolving availability and performance issues.

Responsibilities

  • Own features through the full lifecycle: from architecture, implementation, and docs to deployment and monitoring. Working cross functionally to create maximum impact
  • Build rigorous conformance and adversarial tests to ensure implementation compatibility
  • Execute safe protocol upgrades and resolve complex availability/performance issues
  • Use AI-assisted engineering tools effectively while maintaining rigorous standards for correctness, security, review, and technical ownership

Skills

  • Professional record of shipping production software and maintainable Rust systems
  • Deep knowledge of Ethereum (EVM, JSON-RPC, clients) and distributed systems
  • Ability to navigate ambiguity and communicate complex design decisions effectively
  • Familiarity with op-node, kona, or Reth implementations
  • Ability to read and navigate production Go code while migrating behavior into Rust
  • Proficiency in Solidity for system-level smart contracts

Benefits

  • Remote-friendly work arrangement
  • NYC office available as the center of gravity

Company Overview

  • OP Labs is the team building the technology that powers Optimism, the leading blockchain infrastructure provider enabling developers and enterprises to build the next generation of onchain applications. It was founded in 2019, and is headquartered in Remote, Oregon, USA, with a workforce of 51-200 employees. Its website is https://www.oplabs.co.
  • Company H1B Sponsorship

  • OP Labs PBC has a track record of offering H1B sponsorships, with 1 in 2026, 2 in 2025, 2 in 2023. Please note that this does not guarantee sponsorship for this specific role.
  • More open positions

    [Remote] Front-End Web Developer

    Work from home Full-time role

    [Remote] QA ENGINEER

    Work from home Full-time role

    [Remote] DEVOPS ENGINEER

    Work from home Full-time role

    [Remote] Senior Healthcare Recruiter

    Work from home Full-time role

    [Remote] Fullstack Software Engineer

    Work from home Full-time role

    Geomatics Engineer

    Work from home Full-time role

    Licensed Field Service Representative - Traverse City, MI

    Work from home Full-time role

    [Remote] Senior QA Engineer

    Work from home Full-time role

    Software Engineer – AI/ML & LLM - Remote

    Work from home Full-time role

    Sales Engineer/Account Manager - Tulsa, OK

    Work from home Full-time role

    Mortgage Loan Officer

    Work from home Full-time role

    [Remote] Principal Product Manager

    Work from home Full-time role

    Headless CMS Solutions Architect - Remote Contract

    Work from home Full-time role

    Surrogacy Opportunity Starts at $60K-$75K+ with a $1,250 Pre-Screening Bonus

    Work from home Full-time role

    MS SQL Server Administrator

    Work from home Full-time role

    Senior Director of Civil Engineering - Multi-Site

    Work from home Full-time role

    Remote Data Entry Specialist – High‑Precision Database Management – $30/hr – Flexible Schedule – careerforge

    Work from home Full-time role

    Seasoned Remote Night Shift Customer Service Agent – 24/7 Dispatch & Support Specialist – Join nexahire

    Work from home Full-time role

    MSP Technician - Work from Home (Some Field Work Required, See Description)

    Work from home Full-time role

    AWS Contact Center Engineer

    Work from home Full-time role

    Full-Stack Developer Needed for Apple & Google Wallet Loyalty SaaS

    Work from home Full-time role