Zero Knowledge (ZK) Jobs

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Job Position Company Posted Location Salary Tags

DFINITY

Zurich, Switzerland

$80k - $105k

Boson Protocol

London, United Kingdom

$72k - $150k

Harmony

Remote

$36k - $60k

Findora

Menlo Park, CA, United States

$54k - $73k

Findora

Remote

$45k - $75k

Findora

Remote

$23k - $62k

Findora

Remote

$80k - $105k

Findora

Remote

$54k - $90k

Chronicled.com

Remote

$72k - $100k

Hypersphere Capital Management LP

Miami, FL, United States

$63k - $90k

Findora

Remote

$54k - $73k

Findora

Remote

$47k - $70k

Senior Software Engineer Cryptography

DFINITY
$80k - $105k estimated

This job is closed

DFINITY is reimagining the Internet as a public network that hosts secure software and services. The Internet Computer is a new technology stack that is unhackable, fast, scales to billions of users around the world, and supports a new kind of autonomous software that promises to reverse Big Tech’s monopolization of the internet. DFINITY was founded in 2016 by Dominic Williams and is backed by top-tier institutions including Polychain Capital and Andreessen Horowitz.

Do you like designing and implementing secure systems? Are you passionate about code simplicity, quality, and performance? Do you think that cryptographic tools such as zero-knowledge proofs and threshold crypto are heavily under-utilized? This is a unique opportunity to work with exceptional engineering teams creating the Internet Computer and bring advanced cryptographic algorithms to practical use.

Cryptography Engineers at DFINITY work on a broad array of problems including:

  • Designing APIs for cryptographic libraries that are easy to use and hard to misuse
  • Implement cryptographic tools and algorithms used by all components of the Internet Computer:
    • Signature schemes, including multi and threshold signatures
    • Distributed key generation algorithms
    • Merkle trees
    • Encryption schemes
    • Zero-knowledge proofs

  • Key management
  • Authentication mechanisms and securing data in flight and at rest
  • Ensuring secure coding practices and compatibility with client-based applications (browsers, Ledger devices, etc.)

Some of the things that may be helpful preparation for a role at DFINITY include:

  • Good understanding and experience in using cryptographic protocols (encryption and signature schemes, zero-knowledge proofs, etc.).
  • Experience in systems security and implementation best practices.
  • Experience in implementing cryptographic primitives and using hardware/trusted execution environments (smart-cards, HSM, SGX, SEV, etc.).
  • A deep understanding of at least one systems software language, like C, C++, or Rust. Our systems developers work primarily in Rust (we will help you learn it).
  • Experience deploying systems that run 24x7x365 and building the monitoring, alarming, and tooling required to keep them healthy.
  • A Bachelor's degree in Computer Science, or a closely related field. The unique challenges at DFINITY have attracted many engineers with advanced degrees, however your practical experience is more important to us than your educational background.

What kind of engineers are we looking for?

  • First, we seek a passion for building quality production systems software. Research is an important component of what we do, however our first passion is for changing the world by shipping software.
  • Second, we are looking for team players who enjoy working alongside other brilliant people to come up with the best solutions together.
  • Finally, curiosity and open mindedness are critical. We face many challenges to build the world's first Internet Computer, and we need innovators to help take on them.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

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.