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Remote Senior Backend Engineer

1inch Labs Remote

We are looking for a Senior Backend Engineer to develop cross-chain solutions, refine the Fusion algorithm, work with Aggregation Protocol, and trading services.

Responsibilities:

  • development of backend APIs and libraries using Node JS (TypeScript) + NestJS framework;
  • design scalable and cost-efficient services for trader actors in DeFi: users and external/in-house bots
  • work closely with smart contracts developers
  • working with EVM blockchains
  • monitor system performance (Grafana, Grafana Cloud Logs, Prometheus);
  • writing unit/integration/e2e/stress tests

Requirements:

  • backend development experience in NodeJS in production;
  • confident knowledge of TypeScript / JavaScript;
  • advanced understanding of EVM and L2s blockchains (Node RPC API, state-machine, ABI encoding, callstack traces reading);
  • deep knowledge of how DeFi protocols work at the smart contract level
  • having experience with Kubernetes and Docker;
  • Deep understanding of network protocols: WebSocket, http

Details:

  • Experience: 4 years
  • Node.js - 4 years
  • NestJS - 4 years
  • EVM blockchains - 3 years
  • TypeScript - 3 years
  • DeFi protocols - 3 years
  • Solidity - 3 years
  • Hardhat - 3 years
  • Postgres - 3 years
  • Redis - 3 years
  • English - Upper Intermediate
  • Russian - Upper Intermediate

Qualifications:

  • Must have: NestJS (NodeJS + TypeScript), Solidity, Hardhat (or Truffle), microservices pattern, Postgres, Redis, message queues, EVM blockchains experience
  • Good to have: Solidity, Vyper, Flashbots, DuneAnalytics, Tenderly; Hardhat/Foundry, Knowledge in trading bots/HFT, web3/ethers libs

Terms:

  • Remote work, flexible hours (our team is distributed around the world).
  • Young creative team, vibrant environment, and adequate leadership.
  • Suggestions welcome: propose an idea and execute it.
  • Competitive remuneration based on a candidate’s skills and experience.
  • Work for a leader in its segment.
  • Compensation for work equipment.
  • Annual team building event at an international resort