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Position: Freelance Smart Contract / Blockchain Engineer Type: Contract / Freelance Location: 100% Remote Workload: Part-time or task-based Compensation: $60–$100/hour (or fixed-price per task) About the Project We are working on DeFi smart contract components, including token implementations and protocol-level logic. Our focus is security, clarity, and real-world usability — not hype. We are building a long-term freelancer pool and looking for engineers who can deliver clean, well-structured Solidity code independently. What You’ll Do Design and implement secure smart contracts using Solidity Work with EVM-compatible chains Review and improve existing smart contract code Follow best practices for documentation, testing, and security Collaborate asynchronously with a small technical team Required Skills Strong experience with Solidity and the EVM Ability to architect and deploy production-ready smart contracts High attention to detail and security Ability to write clean, readable, well-documented code Comfortable working independently as a freelancer Nice to Have (Bonus) gRPC / REST API integration Zero-Knowledge (ZK) familiarity (Circom, SnarkJS) Experience with audit tools (Slither, MythX) Ability to read and analyze third-party smart contracts What We Offer Fully remote collaboration Flexible schedule (side jobs OK) Paid test task Long-term freelance opportunities Clear scope, fast feedback, no micromanagement
Project ID: 40225741
15 proposals
Remote project
Active 3 mos ago
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15 freelancers are bidding on average $50 USD/hour for this job

As a seasoned Solidity developer with over 5 years of experience in blockchain technology, I understand the importance of creating secure and efficient smart contracts for your DeFi project. Your emphasis on security, clarity, and real-world usability aligns perfectly with my expertise in designing and implementing clean Solidity code. In my previous projects, I have successfully delivered production-ready smart contracts independently, ensuring high attention to detail and security at every step. My ability to follow best practices for documentation, testing, and security will guarantee that your project meets the highest standards. With a strong background in EVM-compatible chains and a knack for writing clean, well-documented code, I am confident in my ability to contribute meaningfully to your project. Additionally, my experience with audit tools like Slither and MythX positions me well to review and enhance existing smart contract code efficiently. I am excited about the opportunity to collaborate with your technical team and contribute to the long-term success of your freelancer pool. Please feel free to reach out so we can discuss how I can support your project further.
$50 USD in 15 days
6.6
6.6

I am full time independent blockchain developer Not part of any agency.. Ready to start work now Let's start discuss ?
$50 USD in 40 days
4.9
4.9

Dobrovelychkivka, Ukraine
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Member since Mar 29, 2025
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