ai analyst backend bitcoin blockchain community manager crypto cryptography cto customer support dao data science defi design developer relations devops discord economy designer entry level erc erc 20 evm front end full stack gaming ganache golang hardhat intern java javascript layer 2 marketing mobile moderator nft node non tech open source openzeppelin pay in crypto product manager project manager react refi research ruby rust sales smart contract solana solidity truffle web3 py web3js zero knowledge
| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Matter Labs | EU | $45k - $77k | |||
Matter Labs | Dublin, Ireland | $90k - $100k | |||
Matter Labs | Dublin, Ireland | $90k - $100k | |||
Polygon Labs | Remote | $72k - $77k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Polygon | Southern Asia | $72k - $77k | |||
Polygon Labs | APAC | $72k - $77k | |||
Matter Labs | Remote | $67k - $70k | |||
Harmony | Palo Alto, CA, United States | $200k - $300k | |||
Base | Remote | $122k - $123k | |||
Polygon Labs | United Kingdom | $63k - $107k | |||
Matter Labs | EU | $72k - $112k | |||
OKX | Hong Kong, Hong Kong | $87k - $115k | |||
OKX | Singapore, Singapore | $90k - $168k | |||
Polygon Labs | Remote | $76k - $97k | |||
Matter Labs | Remote | $89k - $102k |
Matter Labs
$45k - $77k estimated
Security Engineer (Blockchain)
EU /
Security – Security /
/ Remote
Apply for this job
Before you read the details of this role, there’s something you should know. At Matter Labs, we don’t see ourselves as a company, but as a highly aligned global team on a single mission: to accelerate the mass adoption of crypto for personal sovereignty.Â
Our core technology – zkSync Era – is a layer 2 rollup that uses advanced cryptography called zero-knowledge proofs to scale Ethereum without compromising on security or decentralization. zkSync Era is EVM compatible, which means projects on Ethereum and other EVM-based blockchains can easily deploy on zkSync Era to take advantage of low gas fees and high transaction speeds.
With a total of $458 million in mission-driven funding, zkSync Era is the first EVM-compatible ZK Rollup to go live on testnet (February 2022) and be deployed on mainnet (October 2022). As we enter the endgame for Ethereum scaling, we are committed to full open source and building in public toward our stated mission [so that even if we fail, the community and the ecosystem will benefit from our contribution].
Read more about working at Matter Labs here.
The Role
We are looking for a highly motivated person who will help to secure our Layer 2 scaling protocol. You will be working closely with our Engineers starting with early stage of the feature design through the development life cycle and till the production deployment ensuring the highest security standards are applied at each step. A substantial part of the job is to play with our code “in the wild” to test the implementation in exceptional cases.
What You'll Be Doing
- Improve the security of our smart contracts through audits, testing, formal verification, etc
- Set and maintain good security and engineering processes
- Mentor others on the team about security and share your knowledge.
What We Look For in You
- Driven by passion, curiosity, and desire to make a meaningful contribution to the world
- Have strong security fundamentals knowledge
- Have experience in securing smart contracts threat analysis, hacking, penetration testing, intrusion detection, logging, malware analysis, or forensics
- Fluency in Rust, C++, Golang, or similar languages - we work primarily with Rust, but prior experience with this language is not mandatory
- Have deep knowledge and passion for crypto applications and EthereumÂ
- Experience with discovering vulnerabilities at the design/system level
- Proven ability to communicate across roles to drive a security mindset across the company
- Understanding Solidity and smart contract best-practices is a plus
- Fluent written and spoken English
Working at Matter Labs
At Matter Labs, you have the freedom to work how you want, when you want, and from where you want. We operate in small, focused teams, with no time tracking and minimum bureaucracy. Only results matter. We will provide you with anything you need to learn, grow, and be productive.
Our results-only environment means anyone who believes in our mission can join us, regardless of background, sexual orientation, race, gender, and age. Both our team and community are made up of people from different countries, cultures, ethnical and religious backgrounds. That's why, out of politeness and respect, we refrain from opinions on politics, religion, or sex at the workplace.Â
We designed our culture of freedom and ownership to persist as we scale and to establish the base for a positive-sum community as we move toward full decentralization.
Apply now if this role sounds of interest and we aim to get back to you as soon as possible.
Apply for this job
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:
- 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.
- 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.
- 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.
- 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.