Senior Backend Engineer

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