Join renance.io as a Senior Web3 Full-Stack Developer to build modern applications integrating with blockchain networks. Work with frontend and backend systems, integrating with Polygon, MetaMask, and decentralized applications. Collaborate with the team on product development and feature rollout.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Job Description
Job Title
Remote Web3 Full-Stack Developer
Location: Worldwide / Remote
Job Type: Full-time / Part-time / Contract
Job Overview
We are looking for an experienced Web3 Full-Stack Developer to join our remote team from anywhere in the world. The ideal candidate has strong experience in both Web2 and Web3 development, and understands how to build modern applications that integrate with blockchain networks, wallets, and smart contracts.
You should be comfortable working with frontend and backend systems, while also having hands-on experience with Polygon, MetaMask, and decentralized application integration.
Job Description
As a Remote Web3 Full-Stack Developer, you will be responsible for building and maintaining web applications that combine traditional web technologies with blockchain functionality. You will work on wallet integration, smart contract interaction, user dashboards, backend APIs, and scalable product features.
This role is ideal for someone who understands both user experience and blockchain-based functionality.
Responsibilities
Build and maintain Web2 and Web3 applications
Integrate MetaMask and other crypto wallets
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Connect applications to Polygon network and smart contracts
Develop frontend interfaces for blockchain-based features
Build backend APIs and system logic to support the platform
Work with smart contract interactions, transactions, and wallet authentication
Debug, test, and optimize application performance
Collaborate with the team on product development and feature rollout
Maintain code quality, documentation, and security best practices
Requirements
Proven experience as a full-stack developer
Strong knowledge of Web2 technologies such as JavaScript, TypeScript, React, Node.js, APIs, and databases
Experience with Web3 development
Hands-on experience with Polygon
Experience integrating MetaMask wallet connection and transaction flows
Understanding of blockchain transactions, wallet authentication, and smart contract interaction
Familiarity with libraries/tools such as ethers.js, web3.js, or similar
Ability to work independently in a remote team
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Good problem-solving and communication skills
Preferred Qualifications
Experience deploying or integrating smart contracts
Knowledge of Solidity and blockchain security best practices
Experience with DeFi, NFT, token, or dApp projects
Familiarity with cloud deployment and DevOps workflows
Experience building user-friendly blockchain products
Benefits
100% remote, open worldwide
Flexible work setup
Opportunity to work on Web3 and blockchain-based products
Long-term growth opportunities
Competitive salary based on experience
How to Apply
- Please send your CV/resume, GitHub profile, portfolio, or examples of previous Web2/Web3 projects you have built.
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