Senior Web3 / Blockchain Engineer - Fix & Extend QuestEscrow Smart Contract + Frontend

Posted 2 months ago

Worldwide

Summary

Urgent: Need strong Web3 Engineer to start ASAP (within 1-2 weeks) We have an existing Web3 project (ChainQuest - decentralized task marketplace with escrow) and are looking for a Senior Blockchain Engineer for long-term collaboration. What You Will Do Complete and improve the core QuestEscrow.sol smart contract Integrate it with the existing Next.js frontend Work on ongoing development (new features, optimizations, security) Assessment (Paid) We want to see your skills. Requirements - 3+ years strong Solidity experience - Experience with escrow/marketplace contracts (highly preferred) - Hardhat + testing experience - wagmi/viem + Next.js frontend integration - Good English Please attach in your proposal: - Expected hourly rate - Years of Solidity experience - Links to 2–3 previous Web3 projects (GitHub/repos) - Availability to start

Not Sure
Hourly
3-6 months
Duration
Intermediate
Experience Level
$55.00
-
$90.00
Hourly
Remote Job
Ongoing project
Project Type

Contract-to-hire opportunity

This lets talent know that this job could become full time.
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Skills and Expertise

Mandatory skills

Smart Contract

Blockchain Architecture

Activity on this job

Proposals:Less than 5
Last viewed by client:3 weeks ago
Interviewing:
0
Invites sent:
0
Unanswered invites:
0

About the client

Member since May 26, 2026

Ukraine
Mykolaivka11:17 PM
$22 total spent
1 hire, 0 active

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