Full Stack Blockchain Developer (Long Term)
Worldwide
We're building a Web3 platform that turns digital ownership into real-world value. We need a full-stack developer with serious blockchain chops to help us ship the MVP. This is a hands-on role. You'll own the smart contracts, the Web3 architecture, and the bridges between our backend and frontend. What you'll do: - Write, test, and deploy smart contracts for minting and payments. - Connect Web3 to our Next.js frontend (wallet login, minting, payments). - Build secure backend routes for metadata, file uploads, and syncing on-chain with off-chain data. - Keep Express, IPFS, and the blockchain communicating smoothly. - Optimize for low gas fees and a seamless user experience. What you need: - 5+ years of full-stack experience. - Live, production-grade smart contracts on an EVM chain. - Deep comfort with wagmi, viem, ethers.js, and IPFS. - Solid skills in React/Next (frontend) and Node/Express (backend). - Strong knowledge of NFT standards, minting flows, and token transfers. - Experience with MongoDB or similar NoSQL databases. - Self-starter who can own the blockchain layer end-to-end. Nice to have: - Edtech or marketplace experience. - Familiarity with CI/CD pipelines.
- More than 30 hrs/weekHourly
- 6+ monthsDuration
- ExpertExperience Level
$35.00
-
$55.00
Hourly- Remote Job
- Ongoing projectProject Type
Skills and Expertise
Activity on this job
- Proposals:10 to 15
- Last viewed by client:4 hours ago
- Interviewing:3
- Invites sent:9
- Unanswered invites:5
About the client
- PhilippinesAliaga9:13 PM
Explore similar jobs on Upwork
How it works
Create your free profileHighlight your skills and experience, show your portfolio, and set your ideal pay rate.
Work the way you wantApply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
Get paid securelyFrom contract to payment, we help you work safely and get paid securely.
About Upwork
- 4.9/5(Average rating of clients by professionals)
- G2 2021#1 freelance platform
- 49,000+Signed contract every week
- $2.3BFreelancers earned on Upwork in 2020
Find the best freelance jobs
Growing your career is as easy as creating a free profile and finding work like this that fits your skills.
Trusted by