Powerful APIs to build financial apps on crypto rails 0x is developers’ one-stop shop to build financial products on crypto rails. Hundreds of developers use 0x tools to enable faster trading, better prices and superior UX. Our suite of APIs has processed over 52 million transactions and $125B in volume from more than 6 million users trading on apps like Coinbase Wallet, Robinhood Wallet, Matcha, Metamask, Zerion, Zapper, and more. Founded in 2017, the 0x team is also the creator of the decentralized exchange Matcha (https://matcha.xyz/) and the 0x Protocol. The team has made significant technical contributions to the Ethereum ecosystem, including the NFT token standard (ERC721) and has raised $109M up to Series B from leading investors as Pantera Capital, Greylock, Coinbase and Jump.
Careers at 0x
The Role
As a member of 0x engineering, you will be laser focused on delivering the best prices at the fastest speeds. The work is similar to that of an MEV searcher: gas optimization, liquidity discovery, low latency, and integrating with the best AMMs such as Uniswap, Curve, Integral, and Ambient.
- emphasis on security
- advanced techniques for correctness
- static analysis, dynamic analysis, formal methods, fuzzing
- gas optimization
Responsibilities
- Design, implement, and review smart contracts, with code review being a top priority. Participate in the audit process and justify design decisions to stakeholders and the community.
- Create comprehensive documentation for smart contracts. Provide expert assistance to integrators and customers, addressing their technical queries and concerns.
- Expand, maintain, and refine smart contract support infrastructure and continuous integration systems to ensure optimal performance and security.
- Work closely with cross-functional teams, participate in the audit process, and effectively communicate complex technical concepts to both technical and non-technical stakeholders.
Requirements
- Solidity 3+ years, programming 5+ years
- Has lead the design and implementation of systems of moderate complexity with minimum oversight
- Wrote and deployed interesting contracts — more than an ERC-20 token
- Experience with Rust
- Experience building software using modern practices including code reviews, automated testing, continuous integration (CI)
Nice to have:
- Experience or Interest in bridging