Vacancy: Fullstack Developer (Web3) Company: Lagrange Labs Salary Range: 5,500 – 8,500 USD + Token Allocation Conditions: Full-time, Remote, work in R&D department

Responsibilities: — Development and support of end-to-end functionality: from smart contracts to user interfaces. — Creation and optimization of backend services in Go or TypeScript for interaction with ZK infrastructure. — Development of adaptive and high-performance frontend applications in React/Next.js. — Integration of applications with blockchain networks (Ethers.js, Viem, Wagmi) and crypto wallets. — Design and implementation of APIs (REST, gRPC) for internal and external services. — Writing automated tests (Unit, Integration, E2E) for all application levels. — Participation in architectural discussions and deployment of services to cloud infrastructure.

Requirements: — Over 4 years of commercial development experience (Fullstack roles). — Excellent command of React, TypeScript, and the modern CSS stack. — Backend development experience in Go or Node.js (Go preferred). — Practical skills in writing and deploying smart contracts (Solidity, Foundry/Hardhat). — Understanding of EVM, JSON-RPC, and data provider principles (Alchemy, Infura). — Experience with Docker, CI/CD pipelines, and PostgreSQL/Redis. — English language: Upper-Intermediate (active participation in calls).

Will be a plus: — Experience with ZK protocols or libraries for proof generation. — Own Open-source projects in Web3. — Experience in distributed international startups.

Contact person: Gorskines