Blockchain Engineer

at Career Renew
Published January 21, 2024
Location San Francisco, CA
Category Default  
Job Type Contractor  Full-time  


Career Renew is recruiting for one of its clients, a global blockchain frontend to the fixed income market, a Blockchain Engineer - Hybrid role in San Francisco Bay Area.

We are looking for an experienced blockchain engineer to help us build the first generation of our bond tokenization technology, as well as advance our Bond DEX and On-Chain ETF products. You will be responsible for leading the architecture and implementation of critical smart contracts, as well as integrating them with on-chain oracles (DeFi and TradFi data streams) and other DeFi protocols in order to power the EVM's bond market.

What You'll Do

  • Lead architecture and implementation of the bond tokenization v1 smart contracts
  • Contribute to v2+ NFT AMM and On-Chain ETF smart contracts
  • Define and integrate custom on-chain oracles that broadcast event data from internal systems at Souq's traditional finance partners onto the blockchain for consumption by our smart contracts
  • Define and integrate custom on-chain DeFi price oracles for consumption by our smart contracts
  • Own testing procedures and unit test case creation for your areas of ownership. The security of your contracts is your responsibility
  • Monitor engineers, and collaborate with designers, product managers to turn requirements into products



  • BS in CS or similar technical degree
  • 7+ years combined smart contract and backend development experience
  • Startup Ownership mentality. This means unyielding drive to deliver to customers the best possible product functionality
  • Experience in smart contract development using languages such as Solidity or Cairo
  • In-depth knowledge and experience with modern languages such as Python, Golang, Java, Scala, or C++
  • Strong understanding of and passion for financial markets and experience with trading systems or risk engines
  • Unit, integration and E2E test automation (jest, react-testing-library, MSW, Playwright) as inextricable part of the software development lifecycle
  • Advanced to native English competency
  • Bay Area, starting remote but moving to 3 days in office within 12 months


  • Experience launching and maintaining web3 projects at scale
  • Deep knowledge of the cryptocurrency ecosystem (BTC, ETH, etc.) and underlying technologies (blockchain, PoW, PoS, etc.)
  • Interest and understanding of L1/L2 blockchain technology and ZK-Rollups


  • Experiences with applied mathematics in a financial institution, ideally as a quant for a market maker or hedge fund
  • Experience with crypto trading systems


  • Salary: 140 - 265k
  • Equity: 50bps shares, 50bps token