Web3 Developer at TechHavenLabs · Web3Vacancy
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Web3 Developer

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About this role

TechHavenLabs is looking for a Web3 Developer to build blockchain-enabled systems for Unified Comms, focusing on Web3 integration and crypto payment infrastructure.

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 & Benefits
  • 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
Job Details
LocationRemote
AI Score★★★★★★★★★☆ 9/10
PostedMay 25, 2026 (48d ago)
Tags & Skills
cryptodevweb3Otherremote
Tech Stack
JavaScriptTypeScriptReactNode.jsethers.jsweb3.jsEthereumREST APISolidity

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