Zero Knowledge (ZK) Jobs

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Job Position Company Posted Location Salary Tags

Polygon Labs

United States

$72k - $100k

Nexus

San Francisco, CA, United States

$105k - $180k

Aztec

Remote

$72k - $77k

Aztec

Remote

$81k - $95k

Logos

New York, NY, United States

$63k - $68k

Vac

New York, NY, United States

$63k - $68k

Starkware

Remote

$175k - $240k

Sphere

United States

$103k - $195k

Sphere

United States

$90k - $115k

Polar Bear Systems.

United States

$175k - $240k

Nexus

San Francisco, CA, United States

$81k - $150k

NIOV LABS

San Francisco, CA, United States

$72k - $100k

Provable

San Francisco, CA, United States

$90k - $112k

Aztec

Remote

$45k - $62k

Boston Quantara

New York, NY, United States

$250k - $400k

Polygon Labs
$72k - $100k estimated

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

As a Senior Rust Software Engineer on the Agglayer team at Polygon Labs, you’ll help redefine the future of blockchain interoperability. The Agglayer is a novel protocol designed to unify fragmented blockchain networks into a single, cohesive ecosystem. In this role, you’ll dive deep into zero-knowledge virtual machines (zkVMs) and build decentralized, high-throughput infrastructure at the frontier of Web3 innovation. Join a mission-driven team focused on collaboration, technical excellence, and real-world impact - where your contributions will help set the standard for next-gen blockchain architecture.

Your Responsibilities

  • Develop Scalable and Secure Systems in Rust: Leverage your Rust expertise to design and implement scalable, high-performance systems, including networking and peer-to-peer components, that serve as the backbone of the Agglayer.

  • Utilize Zero-Knowledge Virtual Machines: Work with advanced zkVMs proving systems to enable cryptographic proof generation and enhance protocol security.

  • Contribute to Code Quality, Design, and Collaboration: Participate in system design discussions, review pull requests, and provide meaningful code feedback to help maintain a high bar for engineering excellence.

  • Collaborate in a Fast-Paced, Innovative Environment: Engage with our world-class team to solve complex problems, influence architectural decisions, and build industry-first solutions in blockchain interoperability.


What You'll Need

  • 3+ years of experience developing in Rust, with strong familiarity building production-grade, performance-critical systems.

  • Hands-on experience designing or working with distributed systems, ensuring reliability, scalability, and fault-tolerance.

  • Familiarity with Ethereum fundamentals or the broader Ethereum Virtual Machine (EVM) ecosystem.

  • Demonstrated experience contributing to open source projects or maintaining open source repositories.

Preferred Qualifications

  • Basic understanding of zero-knowledge proofs or zkVMs, such as RISC Zero or SP1.

  • Experience working with gRPC and RocksDB in performance-sensitive environments.

  • A degree in Computer Science, Mathematics, Engineering, or a related field - or equivalent experience in building technical systems.

  • Passion for blockchain technology and driving the future of multi-chain interoperability.

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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What is Zero-knowledge?

Zero-knowledge is a concept in cryptography that allows two parties to exchange information without revealing any additional information beyond what is necessary to prove a particular fact

In other words, zero-knowledge is a way of proving something without actually revealing any details about the proof

Here are some examples of zero-knowledge:

  1. Password authentication: When you enter your password to log into an online account, the server doesn't actually know your password. Instead, it checks to see if the hash of your password matches the stored hash in its database. This is a form of zero-knowledge because the server doesn't know your actual password, just the hash that proves you know the correct password.
  2. Sudoku puzzles: Suppose you want to prove to someone that you've solved a particularly difficult Sudoku puzzle. You could do this by providing them with the completed puzzle, but that would reveal how you solved it. Instead, you could use a zero-knowledge proof where you demonstrate that you know the solution without actually revealing the solution itself.
  3. Bitcoin transactions: In a Bitcoin transaction, you prove that you have ownership of a certain amount of Bitcoin without revealing your private key. This is done using a zero-knowledge proof called a Schnorr signature, which allows you to prove ownership of a specific transaction output without revealing the private key associated with that output.
  4. Secure messaging: In a secure messaging app, you can prove to your contacts that you have access to a shared secret without revealing the secret itself. This is done using a zero-knowledge proof, which allows you to prove that you have access to the secret without actually revealing what the secret is.