Full-Stack Developer

#jobopening #fullstack #web3 #react #golang #solidity #remote

Job Opening: Full-Stack Developer (Web3)
Company: Lagrange Labs
Salary Range: $5,500 – $8,500 + Token Allocation
Terms: Full-time, Remote, working in the R&D department

Responsibilities:
— Develop and maintain end-to-end functionality: from smart contracts to user interfaces.
— Build and optimize backend services in Go or TypeScript to interact with ZK infrastructure.
— Develop responsive and high-performance frontend applications using React/Next.js.
— Integrating applications with blockchain networks (Ethers.js, Viem, Wagmi) and crypto wallets.
— Designing and implementing APIs (REST, gRPC) for internal and external services.
— Writing automated tests (Unit, Integration, E2E) for all application layers.

Requirements:
— At least 4 years of commercial development experience (full-stack roles).
— Excellent proficiency in React, TypeScript, and modern CSS.
— Experience in backend development using Go or Node.js (preferably Go).
— Practical skills in writing and deploying smart contracts (Solidity, Foundry/Hardhat).
— Understanding of how EVM, JSON-RPC, and data providers (Alchemy, Infura) work.
— Experience with Docker, CI/CD pipelines, and PostgreSQL/Redis.

A plus:
— Experience with ZK protocols or libraries for generating proofs.
— Own open-source projects in Web3.
— Experience working in distributed international startups.

Contact: Gorskines