Senior Protocol Engineer

About 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.

Your Role

The AggLayer is the #1 priority and at the core of the Polygon strategy. As Senior Protocol Engineer you will help to design, write specifications and implement the upcoming versions of the AggLayer, focusing on creating elegant integrations between multiple blockchains.This will happen in the form of Go and Rust code, which will be used to integrate smart contracts, Zero Knowledge systems, and blockchains. You'll work with a highly motivated team of innovators who thrive on solving complex challenges and pushing the boundaries of what's possible.

This role is ideal for someone with a curious and innovative mindset, driven by a passion for learning, experimenting, and building transformative solutions. Your work will push the boundaries of blockchain interoperability, reimagining what is possible in this rapidly evolving space.

Your  Responsibilities 

• Study and Analyze Blockchains: Deep dive into the architecture, consensus mechanisms, and state management of various blockchains to understand their integration requirements.

• Collaborate on Proving Logic Design: Work with the team to design and implement efficient mechanisms for verifying blockchain state and consensus, enabling reliable proofs for the AggLayer.

• Innovate in Cross-Chain Communication: Identify opportunities for innovation and drive solutions that enhance cross-chain functionality.

• Maintain and improve the core components of AggLayer.

• Provide technical guidance and mentorship to the team members.

What You’ll Need 

Bachelor's degree (or equivalent) or higher in Computer Science, Computer Engineering, or similar preferred

• Deep familiarity and a proven track record with Ethereum, rollup protocols, their trade-offs, and potential attack vectors.

• Understanding of how rollup and bridge protocols work 

• Experience in working independently on open-ended problems

• A strong sense of responsibility and comfort with autonomous work.

• Feel comfortable writing and iterating on technical specification documents

Preferred Qualifications

Hands-on experience in Golang and Rust

• Experience in zkVM is a plus

• Experience writing smart contracts. Familiarity with the fundamentals of cryptography, such as hash functions and finite fields.

• Understanding of how ZK works, and how it can be used (no need to understand the maths behind it and so on)

• Interest in zero-knowledge proof-based blockchain systems.

• A passion for open-source software and an eagerness to learn.

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 for our full time employees:

• 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.

Learn More about Polygon Labs

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