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Zk Engineer Jobs in California (NOW HIRING)

Our core product is SP1, a breakthrough zkVM (zero-knowledge virtual machine) that enables developers to generate ZK proofs from normal code (like Rust) with state-of-the-art performance. To support ...

Software Engineer

San Francisco, CA ยท On-site

$100/day

Docs * Code About The Role We are seeking a systems-focused engineer to join our close-knit team ... About You You're excited by hard systems problems: trading infrastructure, ZK, distributed systems ...

Software Engineer

San Francisco, CA ยท On-site

$100/day

Docs * Code About The Role We are seeking a systems-focused engineer to join our close-knit team ... About You You're excited by hard systems problems: trading infrastructure, ZK, distributed systems ...

Software Engineer

San Francisco, CA ยท On-site

$100/day

Docs * Code About The Role We are seeking a systems-focused engineer to join our close-knit team ... About You You're excited by hard systems problems: trading infrastructure, ZK, distributed systems ...

Senior Software Engineer - CUDA

Palo Alto, CA ยท On-site +1

$144K - $189K/yr

We empower developers by providing robust infrastructure and user-friendly tools, enabling them to ... Room for continuous growth and development in the ZK field.

Senior Software Engineer - CUDA

Palo Alto, CA ยท On-site +1

$144K - $189K/yr

We empower developers by providing robust infrastructure and user-friendly tools, enabling them to ... Room for continuous growth and development in the ZK field.

Hinkal Protocol is ZK-based blockchain privacy protocol backed by top Silicon Valley VCs. The team ... They are looking for full stack (react + node.js) developers to join the team as one of the ...

Zk Engineer information

What is a zk engineer?

A Zk Engineer is a specialist who works with zero-knowledge (ZK) cryptography, a technology that enables one party to prove to another that a statement is true without revealing any additional information. Zk Engineers typically design, develop, and implement zero-knowledge protocols and applications, often for blockchain, privacy, and security use cases. Their work involves cryptographic research, writing efficient code (often in languages like Rust or Solidity), and collaborating with other engineers to integrate ZK systems into larger platforms. This role is crucial for advancing privacy and scalability solutions across decentralized technologies.

What are some common challenges zk engineers face when implementing zero-knowledge proofs in production systems?

Zk Engineers often encounter challenges related to optimizing the performance and scalability of zero-knowledge proof systems, as these cryptographic protocols can be computationally intensive. Ensuring compatibility with existing infrastructure and maintaining security standards while integrating new proof systems can also be complex. Additionally, staying updated with rapidly evolving zero-knowledge technologies and frameworks requires continuous learning and adaptability. Collaborative problem-solving with developers, security teams, and product managers is key to overcoming these obstacles and successfully deploying robust solutions.

What are the key skills and qualifications needed to thrive as a zk engineer, and why are they important?

To thrive as a Zk Engineer, you need a strong background in computer science, cryptography, and mathematics, often supported by experience with zero-knowledge proofs and blockchain technologies. Familiarity with programming languages like Rust or Go, zk-SNARK/zk-STARK frameworks, and cryptographic libraries is typically required. Analytical thinking, problem-solving, and clear communication are crucial soft skills for collaborating with cross-functional teams and addressing complex engineering challenges. These skills are essential to ensure robust, secure, and scalable implementations of zero-knowledge protocols within blockchain and privacy-focused systems.

What is the difference between Zk Engineer vs Blockchain Developer?

AspectZk EngineerBlockchain Developer
Required CredentialsKnowledge of zero-knowledge proofs, cryptography, programming skillsProficiency in blockchain platforms, smart contract development, cryptography
Work EnvironmentResearch-focused, cryptography labs, blockchain companiesSoftware development teams, blockchain startups, fintech firms
Industry UsageSpecialized in privacy-preserving tech, zero-knowledge protocolsDeveloping decentralized applications, smart contracts, blockchain solutions

While both roles involve blockchain technology and cryptography, Zk Engineers specialize in zero-knowledge proofs and privacy solutions, whereas Blockchain Developers focus on building decentralized applications and smart contracts across various blockchain platforms.

What job categories do people searching Zk Engineer jobs in California look for?

The top searched job categories for Zk Engineer jobs in California are:

What cities in California are hiring for Zk Engineer jobs?

Cities in California with the most Zk Engineer job openings:

Infographic showing various Zk Engineer job openings in California as of August 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

Remote ZK Cryptography Engineer - O(1) Labs

WorksHub

San Francisco, CA โ€ข On-site

$120 - $180/hr

Other

This job post hasย expired today.ย Applications are no longer accepted.


Job description

About the job

Position Description

O(1) Labs is a blockchain technology company that has successfully incubated the Mina Protocol. Using Mina, we are now building a private and secure way to access Web3 as the worldโ€™s premier zero-knowledge application platform.

We are looking for a talented and motivated cryptography engineer with experience in Zero-Knowledge Proofs technology to join our team at O(1) Labs. We are building on the first cryptocurrency protocol with a succinct blockchain, Mina Protocol. This is a chance to join a small, collaborative team and have a ton of independence while working on fascinating problems that span software engineering, systems design, cryptography, and computing. We also offer industry leading competitive compensation both in salary and equity as well as top-of-the-market benefits.

You will be helping us to shape the future of our core zero knowledge protocols, improving the existing proving schemes we have, and suggesting innovative approaches to tackle performance bottlenecks.

Responsibilities

  • Implementing, optimizing, and reviewing code for Kimchi (our zero-knowledge proof system), Pickles (our recursion protocol), and cryptographic circuits.
  • Writing technical specs for design and use of the crypto protocols.
  • Writing high quality, performing, and well documented OCaml and Rust code.
  • Clear communication and articulation of abstract ideas.
  • Collaboration with the team of crypto engineers in a remote environment on a daily basis.
  • Proposing new meaningful approaches based on novel cryptography research available in academia.
  • Training new team members in zero-knowledge technology.
  • Speaking in some ZK conferences around the world.
  • Attending team offsites around the globe.

Key Qualifications:

  • Passion for creating effective and pragmatic cryptographic schemes
  • Understanding of โ€“ or interest in being taught โ€“ fundamental cryptographic algorithms and underlying mathematics, such as finite field arithmetic, FFTs, polynomial commitment schemes
  • Experience implementing high-performance cryptographic protocols in languages like Rust, OCaml, or C/C++
  • An ability to delivery solid work on tight schedules and with the utmost professionalism
  • Great written and verbal communication, and a passion for teammate and collaboration with other engineering, marketing, and support teams to provide the best security solutions

Ideal Qualifications:

  • Experience implementing zk-SNARK circuits or proof systems
  • Knowledge of the state of the art in zk-SNARK systems
  • Experience with blockchain-based systems

There is no need to have prior experience in blockchain or cryptocurrency, howeverexperience in Plonk and OCaml are required. It is a bonus if you have experience with recursive zk-proofs. However, experience in Plonk and OCaml are the only hard requirements; we're more interested in learning about your individual background!

Benefits of working at O(1)Labs:

  • O(1) Labs is a worker-governed company. Unlike most other companies, we try to bring democracy into our workplace. That means you will have a say in what the company works on and how it does it, as well as the ability to vote on and run for board membership.
  • O(1) Labs is on a mission using cryptography and cryptocurrency to build computing systems that put people back in control of their digital lives that is open, secure, and inclusive.
  • We believe in self-care. We commonly move meetings for colleaguesโ€™ personal obligations. Your life comes first.
  • Flexible work arrangements โ€“ live where you want and work remotely.
  • Code review and testing are concrete parts of our development culture.
  • Everything we do is open-source.

We're working on technologies with the potential to reimagine social structures. We believe it's important to incorporate diverse perspectives from conception through realization. This is a chance to join a small, collaborative team and have a ton of independence while working on fascinating cross-disciplinary problems that span cryptography, engineering, product design, economics, and sociology. We also offer competitive compensation both in salary and equity as well as top-of-the-market benefits.

We are committed to building a diverse, inclusive company. People of color, LGBTQ individuals, women, and people with disabilities are strongly encouraged to apply.

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