Staff Protocol Engineer jobs in United States
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Polygon Labs · 1 day ago

Staff Protocol Engineer

Polygon Labs is a software development company focused on building a network of aggregated blockchains. The Staff Protocol Engineer will lead efforts to address protocol-level challenges, driving architectural decisions and collaborating with a team of engineers to enhance the Polygon PoS network.

BlockchainEthereumInformation TechnologyInfrastructureWeb3
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H1B Sponsor Likelynote

Responsibilities

Lead design and prototyping of long-term solutions to address scalability, latency, and state growth challenges 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 upgrades to the live network

Qualification

GolangProtocol designDistributed systemsEthereum clientsCosmos SDKComplex system designPerformance optimizationDecentralized systemsMentoringCommunication

Required

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

Preferred

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

Benefits

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

Company

Polygon Labs

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The payments solution for payments solutions.

H1B Sponsorship

Polygon Labs has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)

Funding

Current Stage
Public Company
Total Funding
$451.45M
Key Investors
Disney AcceleratorPeak XV PartnersMark Cuban
2023-06-05Series Unknown
2022-07-13Non Equity Assistance
2022-02-07Initial Coin Offering· $450M

Leadership Team

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Sandeep Nailwal
Co-Founder & CEO
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Brendan Farmer
Co-Founder
Company data provided by crunchbase