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Backend Developer (Golang)
Builds and maintains backend services for Web3 applications using Go, integrates with blockchain networks, and develops smart contracts in Solidity.
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.
DevOps/Infrastructure Engineer in Toronto - Berachain
Build and maintain the cloud infrastructure for Berachain’s high-performance EVM-compatible Layer 1 blockchain, automating deployments with Kubernetes, Terraform, and CI/CD pipelines.
Senior DevOps Engineer for Blockchain Infrastructure
Design and maintain blockchain infrastructure for a DeFi company, automating CI/CD pipelines and cloud deployments using Kubernetes, Terraform, and cloud platforms.
DevOps Engineer - CORE in Toronto - Berachain
Build and maintain blockchain infrastructure for Berachain’s high-performance Layer 1, automating deployments and CI/CD for Cosmos SDK and Ethereum clients.
Remote (Senior) Software Engineer - Backend
Build and scale a supply-chain transparency platform using Python/Spring Boot, AWS, and blockchain; focus on secure, scalable APIs and data pipelines for sustainability tracking.
Middle/Senior Golang Engineer
Builds high-performance Go backend services for fintech and Web3 payment products, integrating blockchain infrastructure, smart contracts, and EVM networks while ensuring secure, low-latency transaction processing.
Senior Full-Stack developer
Senior Full-Stack developer building a Flutter client and backend services for a crypto/fintech project with blockchain integrations, PostgreSQL, Kafka, and high-load financial operations.
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 Web Full Stack – CDI – Paris 2ème
Build and maintain the full-stack web platform for a blockchain-based luxury goods traceability service using Elixir/Phoenix, Ruby on Rails, and cloud infrastructure.
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).
DeFi Web Developer with React and Node Skills in Paris
Build a decentralized options trading web app using React, Node.js, and TypeScript, integrating with Solana or Ethereum for a DeFi startup in Paris.
DeFi-Centric Full-Stack Developer (React, Node, Next) in Paris
Build a decentralized options-trading platform using React, Node.js, and Next.js, with optional Solana/Ethereum smart-contract work.
Full-Stack Blockchain Developer (React, Node, Solana)
Build a decentralized options trading platform using React, Node.js, and Solana smart contracts in Paris.
Senior Full-Stack Developer (React, Node, Blockchain)
Build a decentralized options trading platform using React, Node.js, and blockchain tech like Solana or Ethereum smart contracts.
Golang Backend Engineer — Crypto & Exchange Tech
Build and maintain backend services for a crypto exchange, including token exchange logic, investor profiles, crowdfunding portals, and analytics dashboards using Golang and Ethereum nodes.
Senior Front-End Engineer - Crypto/Web3 ( London ) in London - bondex app
Builds secure, scalable React/TypeScript front-ends for a Web3/crypto app, integrating wallets and handling client-side blockchain transactions.
Blockchain & Backend Developer – Cofounder | Play-To-Earn Gaming
Build and scale the blockchain backend for a play-to-earn sports gaming platform, writing smart contracts, wallets, APIs, and infrastructure in Go/Solidity to power tokenized rewards and secure transactions.
Senior Front-End Engineer - Crypto/Web3 (London)
Builds and maintains Web3 front-ends for a crypto wallet, DEX, and on-ramp using React, TypeScript, and Web3 libraries like ethers.js.