I’m a Web3 Security Researcher with over 5 years of proven experience in backend engineering and blockchain development.
My work now focuses on smart contract auditing, protocol security analysis, and vulnerability research.
What I bring:
- 5+ years working with backend stacks (Golang, Python, JavaScript) and blockchain systems
- Hands-on experience discovering and reporting high-impact vulnerabilities in DeFi protocols
- Strong skills in Solidity, Golang, Python, with growing interest in Rust
- Ability to break down complex logic and uncover subtle security flaws
- Open to learn anything and adjust
I’m passionate about securing decentralized systems and contributing to projects where security is critical.
I actively participate in security contests (Sherlock, Cantina, CodeHawks, Code4rena), where I’ve delivered verified findings across multiple protocols.
- 🔎 Active across Sherlock, Cantina, Code4rena, and CodeHawks
- ⚡ Proven record of logic-level exploit discovery
| 📅 Date | 🛠️ Protocol / Repo | 🏆 Platform | 📌 Findings | 🥇 Rank | 🔗 Notes |
|---|---|---|---|---|---|
| Jul '18 | Citrea | Cantina | 1 | Not Out | Audit |
| Jun '25 | Solaxy | Cantina | 4 | 🥈 2nd | Audit |
| May '25 | Space and Time | Cantina | 3 | Not Out | Audit |
| May '25 | Alchemix V3 | Cantina | 2 | 67th | Audit |
| Apr '25 | Mezo Monorepo | Cantina | 1 | 23rd | Audit |
| Apr '25 | Liquidity Book Vaults | Cantina | 3 | 28th | Audit |
| Feb '25 | Liquidity Management | CodeHawks | 1 | 47th | Audit |
| Feb '25 | DeFi App Contracts | Cantina | 1 | 20th | Audit |
| Jan '25 | Dahlia Protocol | Cantina | 1 | 22nd | Audit |
| Dec '24 | SecondSwap | Code4rena | 1 | 60th | Audit |
| Nov '24 | Concrete | Code4rena | 1 | 95th | Audit |
🔗 Full audit profile: Sherlock Watson – Codertjay
🛡️ Smart Contract Security: Solidity, Cosmos, Sui Move Still growing, Solana still growing, Coswasm still growing
💻 Backend Development: Golang (Gin, Fiber, GraphQL), Python (Django, FastAPI), Node.js
🌐 Blockchain Ecosystems: Ethereum, Solana, Cosmos, Starknet, Sui
🛠️ DevOps & Tools: Docker, Linux, AWS, GitHub Actions
❤️ Languages I Love: Golang 🦫, Solidity, Python, Rust
🔐 Web3 Security Researcher (Freelance) – 2024 – Present
- Conducting smart contract audits and competitive security reviews
- Focused on logic-level flaws and protocol invariants
🚀 Soft Finance – CTO (Golang, Python, DevOps) – 2023 – 2025
- Built a fintech API using NFC-based withdrawals
- ⚡ One of the first mobile POS terminals in Nigeria https://www.softway.finance
📊 Join Queue – Backend Developer (Golang, GraphQL, DevOps) – 2023 – 2024
- Built a queueing system with payment-based priority access
🧵 InstinctHub – Backend Developer (Golang, Python, JS, DevOps) – 2022 – 2023
- Built APIs for CRM, EdTech, and marketplace platforms https://instincthub.com/
💳 Teems App – Backend Developer (Golang, Python, DevOps) – 2021 – 2022
- Developed fintech APIs with virtual cards, interbank transfers, and savings systems
📚 Muse Inc – Backend Developer (Python, Django) – 2020 – 2021
- Built blockchain-integrated APIs for comic monetization & subscriptions