jnrlouis

Blockchain/Smart Contract Engineer

Blockchain & Smart Contract Engineer with hands-on experience designing, deploying, and auditing production-grade DeFi protocols. Specialized in Solidity, protocol architecture, security research, and mainnet deployments.


Experience: 5 years

Yearly salary: $60,000

Hourly rate: $40

Nationality: 🇳🇬 Nigeria

Residency: 🌏 Remote


Experience

LEAD BLOCKCHAIN DEVELOPER
Buildorz
2024 - 2026
Leading blockchain architecture and smart contract development for production DeFi systems, with a focus on security, scalability, and upgradeability. Designing and optimizing gas-efficient, upgradeable smart contracts for high-throughput applications. Collaborating with backend engineers to create seamless on-chain/off-chain interactions.
SMART CONTRACT & SECURITY ENGINEER
Buildorz
2023 - 2024
Creating, maintaining, and securing backend and smart contract systems. Developing optimized, secure Solidity contracts. Performing internal pre-audits and security reviews.
WARDEN, SECURITY RESEARCHER & AUDITOR
Code4rena
2023 - 2026
Performed in-depth security audits of smart contracts in competitive audit environments, identifying vulnerabilities and recommending mitigations. Specialized in Solidity security patterns, governance risks, and cross-chain vulnerabilities. Contributed to blockchain security research, improving best practices for decentralized applications.
SECURITY RESEARCHER & AUDITOR
CodeHawks
2023 - 2026
Performed in-depth security audits of smart contracts, identifying vulnerabilities and recommending mitigations. Actively engaged in the community, fostering knowledge-sharing through collaborative discussions.
SMART CONTRACT & SECURITY ENGINEER
Upwork
2022 - 2026
Developed and audited smart contracts for DeFi, DAOs, NFT marketplaces, and token ecosystems. Optimized smart contract logic for gas efficiency and security, reducing potential attack surfaces. Worked with clients to implement tailored blockchain solutions, ensuring functionality and security.
COMMUNITY MODERATOR
Learnweb3
2021 - 2026
Educated developers on blockchain concepts, Solidity best practices, and decentralized governance. Moderated discussions, fostering a collaborative learning environment.

Skills

blockchain
blockchain-engineer
ethereum
node
python
smart-contract
solidity
english