The vacancy is well-structured with clear responsibilities and compensation, but could improve on company visibility.
Job description
TechHavenLabs is seeking a Web3 Developer to help build blockchain-enabled systems for Unified Comms, an Electron-based platform evolving into a broader Web3 ecosystem. This role focuses on Web3 integration, crypto payment infrastructure, decentralized application workflows, and frontend/backend/blockchain coordination.
Responsibilities
- Integrate Web3 wallet systems such as MetaMask, WalletConnect, and Coinbase Wallet
- Build blockchain transaction workflows and crypto payment integrations
- Connect frontend applications with blockchain and backend systems
- Implement transaction monitoring and verification logic
- Support Electron + Web3 integration architecture
- Improve Web3 user experience and application usability
- Collaborate with developers on scalable decentralized application workflows
- Participate in technical discussions, code reviews, and feature planning
Requirements
- Strong JavaScript or TypeScript skills
- Experience with React and Node.js
- Experience with ethers.js or web3.js
- Understanding of Ethereum ecosystem fundamentals
- REST API integration experience
- Smart contract interaction experience
- Familiarity with blockchain transaction handling
- Strong communication and collaboration ability
- Ability to work independently in a remote startup environment
- Professional experience in Web3, blockchain, or frontend/backend development
- Experience building or integrating decentralized applications
- Experience with wallet integrations or blockchain-connected systems preferred
- Portfolio, GitHub, or previous project examples preferred
- Solidity or smart contract experience is a plus
- Electron desktop application experience is a plus
Conditions
- Remote position
- Full-time or contract-based collaboration
- Preferred candidate regions: United States, Canada, Europe, UAE, El Salvador
- Async-friendly workflow with regular communication through Slack, Telegram, WhatsApp, and video meetings
- Startup environment requiring adaptability, ownership mentality, and practical problem-solving
About TechHavenLabs
TechHavenLabs is a next-generation digital product engineering company that helps startups and growing businesses design, build, and scale software systems. It also appears to be developing its own product, TechHaven AI Workspace, alongside client services such as MVP development, workflow automation, and software modernization.
Technology, Information and Internet· 11-50· Warsaw, Poland· Founded 2025· https://techhavenlabs.com