Senior Software Engineer

Engineering – PoS /
Full-time /
What is Polygon Labs?

Polygon Labs is a software development company building and developing a network of aggregated blockchains via the AggLayer, secured by Ethereum. As public infrastructure, the AggLayer will bring together user bases and liquidity for any connected chain, and leverage Ethereum as a settlement layer.  Polygon Labs has also contributed to the core development of several widely-adopted scaling protocols and tools for launching blockchains, including Polygon PoS, Polygon zkEVM, and Polygon Miden, which is in development as well as Polygon CDK.

Job Summary

Polygon Labs’ PoS Team’s vision is to provide a simple, fully EVM compatible, scaling solution for Ethereum that is connected to the AggLayer. The team is responsible for developing, running and maintaining the protocol and software clients that power Polygon PoS chains including Mainnet and Testnets.

Polygon Labs is looking for a Senior Software Engineer with solid GoLang knowledge who can work on different layers of PoS including Bor and Heimdall and their underlying client implementations - Geth, Erigon, Cosmos-SDK, CometBFT. Ideal candidates will have experience working in a distributed team, collaborating with multiple teams (external and internal), doing code reviews, mentoring junior developers and implementing best practices.

Key Job Responsibilities 

* Client and protocol development
* Keeping track of improvements and changes happening upstream (Ethereum)
* Contribute to auxiliary tools that help in testing - deploying testnets, end to end testing, load testing, etc
* Work closely with internal and external teams for development, testing and roll out of new features
* Mentor colleagues

A Day in the Life

“A Day in the Life might include…”

* Writing code to implement a new feature or fix a bug
* Going through upstream codebase for interesting changes, cherry picking and testing them on PoS
* Brainstorming on new ideas and adding them to Polygon Improvement Proposals (PIPs) for further discussion and implementation
* Reviewing code, architecture and technology decisions by other team members

About the Team

* We are a pretty distributed team, with team members from timezones more than 12 hours apart. However, we also share a very deep bond, being the oldest tech team in the company that has been around since the inception of Polygon.
* It’s the same team that ensured that PoS handled +160M inscriptions (double the amount of any other major chain), and processed a record 16.5M txs in one day, without blinking.
* Humble and down to earth, always ready to help team members.
* By joining this team you will meet amazing colleagues with similar disciplines, from whom you can learn, share and drive the future of Web3.

What you’ll need - Preferred Qualifications

* Mastery in GoLang programing language
* Experience with debugging and testing tools
* Great written and verbal communication skills
* Experience mentoring or training others
* Experience in Blockchains is a plus
* High level understanding of the Ethereum Virtual Machine is a plus
* Experience with Ethereum clients like Geth, Erigon and Reth is a plus
Polygon Labs Perks

The goal of the Polygon Labs total rewards program is to support the health and well-being of you and your family. Our comprehensive compensation plan includes, the following 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
1 company wide wellness Friday day off per quarter
Company issued laptop
Egg freezing, mental health, and employee wellness benefits

*In certain countries medical, dental and vision is fully covered for employees & their dependents. This is country and plan specific.
*401k is for United States employees only

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. Polygon Labs is committed to treating all people in a way that allows them to maintain their dignity and independence. We believe in integration and equal opportunity. Accommodations are available throughout the recruitment process and applicants with a disability may request to be accommodated throughout the recruitment process. We will work with all applicants to accommodate their individual accessibility needs.

If you think you have what it takes, but don't necessarily meet every single point on the job description, please still get in touch. We'd love to have a chat and see if you could be a great fit.

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