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Smart Contract Security Researcher

- Web 3.0: Solidity, Smart Contracts, Security Audits, Security Research, Foundry, EVM assembly. 
- Web 2.0 / Infra: Web development(Javascript, ReactJS, NodeJS), Git, Github, VS Code, CLI.


Experience: 1 year

Yearly salary: $50,000

Hourly rate: $25

Nationality: 🇺🇸 United States

Residency: 🇰🇷 South Korea


Experience

Smart Contract Security Researcher
Self-employed
2025 - 2025
- Ranked 11th in Codehawk’s First Flight public audit contest, finding 2-Highs and 1-Medium severity issue. - Conducted security audits on DeFi protocols, covering CDP-based stablecoins, lending platforms, and token streaming systems (e.g., BitVault, Aegis.im YUSD, Upside, LEND, Superfluid Locker System, etc). - Actively participated in various public audit contests from audit platforms like Code4rena, Sherlock, Codehawks, while reading security audit reports from top security researchers/firms, enhancing my perspective on DeFi protocols.
Career Transition
Cyfrin Updraft
2024 - 2025
- Full-time learning Smart Contract development, EVM assembly, DeFi, and Smart Contract security while building demo projects using Solidity, Foundry, Chainlink services, and Alchemy. - Completed all 33 Openzeppelin’s Ethernaut CTF security challenges.
Software Engineer
Freelance
2024 - 2024
- Collaborated with East Coast contributor on a medium-term project to spearhead the initial MVP development for a pre-seed stage startup, utilizing technologies such as Next.js, ReactJS, TypeScript, Tailwind, and Vercel. - Identified workflow issues, devised solutions, implemented fixes, and conducted testing for optimal performance. - Integrated OpenAI's API and real-time audio and video communication with Video SDK, utilizing React Hooks/Context.
Software Engineer
Openfingers Co.,Ltd.
2018 - 2019
- Developed and implemented the frontend for an E-commerce website in collaboration with the product/video/design team, utilizing HTML, CSS, and Javascript.
Senior Research Engineer
S&WISE Co.,Ltd.
2017 - 2018
- Conducted in-depth research and analysis on polyurethane foam software behavior discrepancies, addressing engineering challenges and giving feedback on software implementation.
Research Engineer
Korea Aerospace Industries
2013 - 2014
- Engineered and analyzed the Radar Cross Section of a Fighter Jet aircraft leveraging in-house software, leading cross-functional collaboration to enhance the initial model of the next-generation Korean Fighter Jet.

Skills

security
smart-contract
solidity
english