About the job
About Polygon Labs
Polygon Labs is a pioneering global blockchain payments firm dedicated to developing and maintaining cutting-edge infrastructure designed to facilitate instantaneous, reliable money transfers at internet scale. Our mission is to transition all financial transactions on-chain, empowering users with the Polygon Open Money Stack, a cohesive array of services and technologies that ensures the seamless movement of funds globally. Our robust infrastructure has already enabled trillions in on-chain value transfers, supporting millions of daily transactions for many of the world's leading banks, fintech companies, large enterprises, and consumer applications.
Your Role
As a Staff Engineer on the Polygon Proof of Stake (PoS) engineering team, you will play a pivotal role in enhancing one of the most widely utilized networks within the Web3 ecosystem. Reporting to the Senior Vice President of Engineering, you will spearhead initiatives to tackle complex protocol-level challenges concerning scalability, state growth, and latency, ultimately shaping the architectural framework for the future of Polygon PoS. This is an exceptional opportunity to contribute to Ethereum-aligned infrastructure designed for massive scalability, collaborating with some of the most skilled protocol engineers in the industry.
Joining a compact, high-caliber team of 7 engineers, you will be expected to lead by example, promoting a culture of excellence in design, implementation, and teamwork. This position is ideal for individuals with extensive expertise in protocol design and Golang development who are eager to build high-performance, resilient systems in a rapidly changing technological landscape.
Your Responsibilities
- Lead the design and prototyping of innovative, 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 systems such as Geth, Cosmos SDK, or CometBFT as required.
- Identify and resolve intricate technical challenges relating to protocol behavior, consensus, and state synchronization.
- Promote code quality, comprehensive documentation, testing procedures, and developer best practices throughout the team.
- Mentor and assist engineers across the stack, elevating the overall technical standards.
- Collaborate cross-functionally with protocol researchers, DevOps, security, and ecosystem teams to deploy robust upgrades to the live network.
What You'll Need
- 7+ years of backend or protocol engineering experience, with at least 2 years in senior or staff-level positions.
- Extensive experience with Golang, ideally within decentralized or distributed systems.
