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Blockchain Developer




Publish date

Thu Jan 12 2023

Employment type



75,000 - 160,000 USD/YEAR


  • Position: Blockchain Developer // Web3 Backend Engineer // (Smart Contract)
  • Location: Shanghai (Open to Fully Remote)
  • Compensation: Competitive salary plus equity
  • Experience: Senior

Who We Are

Fam is building web3-native community hub to discover, organize, and enjoy activities with web3 family. We are an industry-leading team of ex-Googlers who take pride in being small and productive, with a relentless focus on our product and our people. Fam is based in Shanghai and venture-backed by an international group of VCs and dozens of the best angel investors and creators across both web2 and web3.

Join our amazing team to build an incredible, talented, and passionate team to lead the cutting edge of digital technology and web3 innovation!


  • As Fam's Blockchain Developer, web3 backend engineer, you will have the opportunity to:
  • Responsible for the design, development, deployment of NFT related smart contracts (firstly with Solidity on EVM compatible chains), including testing and security auditing.
  • Responsible for on chain data analysis and processing.
  • Responsible for the design and development of blockchain applications and solutions, including the backend services and offchain Database which interacts with the blockchains.
  • Responsible for the off chain data analysis and processing.
  • Responsible for system’s security, scalability, stability, participate in system capacity planning, performance optimization, troubleshooting and resolution.

Desired Skill & Experience

  • For this role, we are looking for someone with the following skills & experience:
  • Must Have
  • Solid computer science foundation, solid data structure and algorithm foundation, strong programming ability and problem solving ability;
  • Solid Solidity development and optimization, be familiar with development tools such as Truffle and Hardhat, and be familiar with third-party security contract libraries such as OpenZeppelin; be familiar with gas optimization.
  • Familiar with the generic ERC721/ERC721A, ERC1155 protocols and equivalent contracts;
  • Familiarity with Golang, or other backend development stack.
  • Familiarity with MySql, MongoDb, Redis, or other database stack.
  • Familiarity with data processing pipeline such as kafka
  • Experience in blockchain system development, smart contract development;

Highly Desired

  • Experienced in launching large scale / complex smart contracts on Eth
  • Participation in DeFi project development is preferred
  • Security background

If you are an experienced engineer, willing to join the force to build future Web3 products from scratch with a great team, then Fam is waiting for you!