Senior Web3 Engineer (Node.js + Solidity)

Формат работы

onsite

Тип работы

fulltime

Грейд

senior

Английский

Страна

Europe/Georgia

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TL;DR

Senior Web3 Engineer (Node.js + Solidity) (DeFi): Building and integrating backend services and smart contracts for an EVM-based DEX with liquidity pools, staking, farming, and swaps with an accent on Node.js/TypeScript backend development, Solidity contract engineering, and Uniswap v2 mechanics. Focus on direct RPC integration, event processing, transaction handling, reorg management, and modifying production smart contracts.

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Contact -
Workload — Full-time
Duration — Long-term
Location — EU, Georgia

We are looking for a Senior Web3 Engineer (Node.js + Solidity)

Client. Startup, possibly US-based. Company name isn't disclosed yet. They're building a DeFi platform on EVM, basically a DEX: liquidity pools, staking and farming, swaps. Contracts are based on a Uniswap v2 fork.
Format. One engineer, full-time, hourly contract. Works in the client's repos and follows their process. The client wants to onboard ASAP.
Timezone. Not known yet, including how many hours of overlap they need.
Must-haves:
Senior backend on Node.js / TypeScript
Solidity: has written and modified contracts, not just called them. Experience in both backend and smart contracts is important
Knows Uniswap v2 mechanics: pairs, router, factory, liquidity and fee calculation
Backend–contract integration via direct RPC (ethers.js or viem): reading events, handling transactions, reorgs
English good enough for a technical interview (interview format not known yet)
Nice-to-haves:
Staking and farming contracts in MasterChef style
Contract testing and audit prep (Hardhat or Foundry)
Production DeFi experience
English- B2+

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