Zero Knowledge Research Engineer

Who are we

Vac builds public good protocols for the decentralized web.

We do applied research based on which we build protocols, libraries and publications. Custodians of protocols that reflect a set of principles - liberty, privacy, etc.

You can see a sample of some of our work here: Vac, Waku v2 and Ethereum Messaging, Privacy-preserving p2p economic spam protection in Waku v2, Waku v2 RFC. Our attitude towards ZK: Vac <3 ZK.

The role

This role will be part of a new team that will make a provable and private WASM engine that runs everywhere. As a research engineer, you will be responsible for researching, designing, analyzing and implementing circuits that allow for proving private computation of execution in WASM. This includes having a deep understanding of relevant ZK proof systems and tooling (zk-SNARK, Circom, Plonk/Halo 2, zk-STARK, etc), as well as different architectures (zk-EVM Community Effort, Polygon Hermez and similar) and their trade-offs. You will collaborate with the Vac Research team, and work with requirements from our new Logos program. As one of the first hires of a greenfield project, you are expected to take on significant responsibility,  while collaborating with other research engineers, including compiler engineers and senior Rust engineers.

Key responsibilities 

• Research, analyze and design proof systems and architectures for private computation
• Be familiar and adapt to research needs zero-knowledge circuits written in Rust Design and implement zero-knowledge circuits in Rust
• Write specifications and communicate research findings through write-ups
• Break down complex problems, and know what can and what can’t be dealt with later
• Perform security analysis, measure performance of and debug circuits

You ideally will have

• Very strong academic or engineering background (PhD-level or equivalent in industry); relevant research experience
• Experience with low level/strongly typed languages (C/C++/Go/Rust or Java/C#)
• Experience with Open Source software
• Deep understanding of Zero-Knowledge proof systems (zk-SNARK, circom, Plonk/Halo2, zk-STARK), elliptic curve cryptography, and circuit design
• Keen communicator, eager to share your work in a wide variety of contexts, like internal and public presentations, blog posts and academic papers.
• Experience in, and passion for, blockchain technology.
• A strong alignment to our principles: https://status.im/about/#our-principles

Bonus points if 

• Experience in provable and/or private computation (zkEVM, other ZK VM)
• Rust Zero Knowledge tooling
• Experience with WebAssemblyWASM

[Don’t worry if you don’t meet all of these criteria, we’d still love to hear from you anyway if you think you’d be a great fit for this role. Just explain to us why in your cover letter].

Hiring process 

The hiring process for this role will be:

1. Interview with our POps team
2. Interview with team member from the Vac team
3. Pair programming task with the Vac team
4. Interview with Vac team lead

The steps may change along the way if we see it makes sense to adapt the interview stages, so please consider the above as a guideline.

Compensation

The expected compensation range for this role is $90,000 - $190,000 (negotiable, dependent on how we assess your skills and experience throughout our interview process. We are happy to pay in any mix of fiat/crypto.

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