Greenfield Source Jobs

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Greenfield Source
$98k - $110k est.
San Francisco Bay Area US
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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 client 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


Must-Haves


BS in CS or similar technical degree


Starting remote but moving to Bay Area office 3 days/wk within 12 months


7+ years combined smart contract and backend development experience


Experience in smart contract development using languages such as Solidity or Cairo


Strong understanding of and passion for financial markets and experience with trading systems or risk engines


Startup Ownership mentality. This means an unyielding drive to deliver to customers the best possible product functionality.


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


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.


Proven experience of working on a protocol that had users and scaled.


7+ years combined smart contract and backend development experience.


Experience in smart contract development using languages such as Solidity or Cairo


Strong understanding of and passion for financial markets and experience with trading systems or risk engines