Shawn Rizo

@rizo

Smart Contract Developer | Web3 Builder | Smart Contract Security Researcher

Smart Contract Developer | Web3 Builder | Smart Contract Security Researcher

Skill iconSolidity
Smart Contracts
Blockchain Development
Smart Contract Security
Foundry

Smart Contract Security Researcher, CodeHawks

Miami, United States

Devfolio stats

Devfolio stats

3

projects

3

5

prizes

5

3

hackathons

3

0

Hackathons org.

0

GitHub

GitHub

853

contributions in the last year

Mar

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7 contributions on 2025-03-02
6 contributions on 2025-03-03
3 contributions on 2025-03-04
5 contributions on 2025-03-05
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3 contributions on 2025-03-10
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4 contributions on 2025-03-13
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3 contributions on 2025-03-17
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Feb

1 contributions on 2025-02-01
0 contributions on 2025-02-02
3 contributions on 2025-02-03
11 contributions on 2025-02-04
5 contributions on 2025-02-05
7 contributions on 2025-02-06
2 contributions on 2025-02-07
1 contributions on 2025-02-08
3 contributions on 2025-02-09
10 contributions on 2025-02-10
11 contributions on 2025-02-11
3 contributions on 2025-02-12
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7 contributions on 2025-02-18
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2 contributions on 2025-02-26
3 contributions on 2025-02-27
0 contributions on 2025-02-28

Work Experience

Work Experience

C

CodeHawks

6 months


Smart Contract Security Researcher

Sep 24' - Present

• Implemented smart contract audit processes utilizing Foundry, Slither, Aderyn, Echidna, and the Solidity Metrics extension, achieving 90%+ test coverage establishing a benchmark for code quality
and security enhancement
• Collaborated with protocol developers to implement recommended security improvements, resulting in a reduction in the occurrence of high-risk vulnerabilities in subsequent audits
• Executed a series of Codehawks First Flights and competitive audits, identifying and mitigating
critical vulnerabilities, thereby increasing the overall security posture of audited projects
• Conducted comprehensive security assessments on a portfolio of DeFi protocols, permissionless token distributions, and airdrop protocols, achieving a 26% improvement in the identification of previously overlooked vulnerabilities

C

B

F

A

C

Smart Contract Security Researcher

6mos

CodeHawks, Sep 24' - Present

B

Blockchain Developer Apprentice

2mos

BCAMP, Jun 24' - Aug 24'

F

Full-Stack Blockchain Developer

6mos

Freelancer, Aug 23' - Feb 24'

A

Smart Contract Engineer Intern

10mos

AthleteX Markets, Aug 22' - Jun 23'

Top Projects

Top Projects

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CraftMeme

Launch, mint, and trade meme coins seamlessly with liquidity management more safely and securly.

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OptimalAI

AI-Powered DeFi Portfolio Manager for Secure, Autonomous, and Optimized Investments

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CrediChain

CrediChain is a decentralized app for storing and verifying student credentials on-chain. Integrated with World ID, it enables secure education proof for discounts and perks/verification purposes.