Tech jobs
Job listings
Full-Stack Developer (JavaScript/PHP)
Build full-stack web apps with PHP, React, and Node.js, and contribute to decentralized blockchain components using C++ smart contracts in a collaborative startup environment.
Lead Full-Stack / Mobile Engineer
Lead a cross-platform mobile and full-stack team building scalable fintech and AI-driven apps with React Native, Node.js, AWS Serverless, and Web3 integrations.
Full stack developer
Build and evolve the Collecto platform’s frontend and backend, integrating APIs, payment systems, and blockchain smart contracts in a fast-growing startup.
Remote Senior Backend Developer - Folks Finance
Builds and maintains backend services for DeFi products using Node.js, TypeScript, and blockchain integrations.
Senior Backend Engineer (Crypto)
Builds and maintains backend systems for a crypto exchange and wallet, focusing on secure, scalable trading APIs and blockchain integrations using Go/Java/Python.
Backend Developer (Golang)
Builds and maintains backend services for Web3 applications using Go, integrates with blockchain networks, and develops smart contracts in Solidity.
Senior Full Stack Developer
Build and scale a fintech platform using Python, FastAPI, React, and Next.js, deploying on AWS to modernize financial infrastructure.
Backend Java Software Engineer (Líder Técnico) - RQ-7553-2026-1-1
Lead a team building and maintaining Java-based banking microservices and APIs, ensuring clean code, security, and high availability while advising on tech strategy and blockchain integrations.
Mid/Senior Backend Developer
Build core Rust/Go backend services for a fast-growing blockchain oracle startup, focusing on data pipelines, node integrations, and cross-chain DeFi infrastructure.
Remote Frontend Developer (mid/senior) / 18 000 - 24 000 netto
Build and maintain the frontend of a decentralized Q&A portal and mobile app using React, Next.js, TypeScript, and REST APIs, ensuring cross-browser compatibility.
Software Engineer, Wallet
Build backend services and infrastructure for Robinhood Wallet, enabling secure custody and trading of crypto and tokenized assets using DeFi protocols and Robinhood Chain.
Founding Engineer
You design and implement large-scale distributed systems, shape an extensible and decentralized architecture, and apply web3 reputation concepts. You monitor performance, identify and mitigate security risks, maintain…
Remote Senior Backend Engineer
Senior Backend Engineer designs and maintains scalable distributed systems for a Web3/DeFi platform, integrating blockchain protocols and smart contracts using Python, Docker, Kubernetes, and AWS.
Senior Software Engineer
Build high-throughput, secure backend systems in Rust for global digital asset trading and payment infrastructure, integrating blockchain workflows with traditional finance.
Full-Stack Web Developer (React, Node, Next, Paris, relocation)
Build a decentralized options trading platform using React, Node.js, and Solana; transitioning from EVM/Solidity to Solana for scalability.
Backend Engineer
Build and maintain backend services for a blockchain-based platform, focusing on scalability and security.
Senior Backend Engineer - Dev Tooling & Offchain (Equity)
Builds offchain infrastructure and developer tooling for EVM-based smart contracts using TypeScript and Solidity in a web3 startup.
Senior Software Engineer, Data Products
Builds and maintains Chainlink’s core data feeds and off-chain computation services that secure tens of trillions in DeFi transactions using Go, Rust, Solidity, and TypeScript.
Développeur Full-Stack Senior (React, Node, Blockchain)
Build the MVP of a decentralized options trading platform using React, Node.js, and blockchain smart contracts (Solana/Ethereum).