Polygon Labs is hiring a Staff Protocol Engineer to join the Polygon PoS engineering team. In this mission-critical role, you will evolve one of the most used Web3 networks by tackling deep protocol challenges like scalability, state growth, and latency, setting the architectural direction for its future.
What You'll Do
- Lead design and prototyping of long-term solutions for scalability, latency, and state growth on the Polygon PoS network.
- Drive architectural decisions across the PoS codebase, contributing to Geth, Cosmos SDK, or CometBFT-based systems as needed.
- Identify and resolve deep technical issues in protocol behavior, consensus, and state sync.
- Champion code quality, documentation, testing, and developer best practices across the team.
- Mentor and support engineers across the stack to elevate the overall engineering bar.
- Collaborate cross-functionally with protocol researchers, DevOps, security, and ecosystem teams to ship robust network upgrades.
What We're Looking For
- 7+ years of backend or protocol engineering experience, with 2+ years in senior or staff-level roles.
- Deep experience working in Golang, ideally within distributed systems, consensus, or blockchain infrastructure.
- Experience contributing to or working with Ethereum clients (e.g., Geth) or Cosmos-based stacks (e.g., Cosmos SDK, CometBFT).
- Demonstrated ability to lead architecture, code quality, and complex system design in fast-paced engineering teams.
- Comfortable working asynchronously with distributed teams in EMEA, US East Coast, or adjacent time zones.
Nice to Have
- Previous contributions to public blockchain protocols or open-source infrastructure.
- Familiarity with performance optimization tools and techniques in large-scale systems.
- Ability to communicate complex technical topics clearly across varied stakeholders.
- Passion for decentralized systems and aligning infrastructure to Ethereum’s values.
Technical Stack
- Golang
- Ethereum clients (e.g., Geth)
- Cosmos SDK
- CometBFT
Team & Environment
You will join a lean, high-caliber team of 7 engineers that is part of the Polygon PoS engineering team, reporting to the SVP of Engineering.
Benefits & Compensation
- Remote first global workforce.
- Industry leading Medical, Dental and Vision health insurance.
- Company matching 401k with 3% match.
- $1,500 Home Office Set Up Allowance (life-time max).
- $200 Annual Book Allowance Program.
- $75 Monthly internet or phone reimbursement.
- Flexible Time Off.
- Company issued laptop.
- Egg freezing, mental health, and employee wellness benefits.
Work Mode
This role supports a global, remote-first workforce.
Polygon Labs is committed to a diverse and inclusive workplace and is an equal opportunity employer. We do not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.
