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

1,190

contributions in the last year

May

S

M

T

W

T

F

S

0 contributions on 2024-05-05
0 contributions on 2024-05-06
2 contributions on 2024-05-07
0 contributions on 2024-05-08
9 contributions on 2024-05-09
0 contributions on 2024-05-10
0 contributions on 2024-05-11
0 contributions on 2024-05-12
10 contributions on 2024-05-13
3 contributions on 2024-05-14
2 contributions on 2024-05-15
0 contributions on 2024-05-16
0 contributions on 2024-05-17
0 contributions on 2024-05-18
0 contributions on 2024-05-19
3 contributions on 2024-05-20
0 contributions on 2024-05-21
2 contributions on 2024-05-22
3 contributions on 2024-05-23
0 contributions on 2024-05-24
0 contributions on 2024-05-25
0 contributions on 2024-05-26
0 contributions on 2024-05-27
0 contributions on 2024-05-28
0 contributions on 2024-05-29
0 contributions on 2024-05-30
0 contributions on 2024-05-31
0 contributions on 2025-05-01
0 contributions on 2025-05-02
0 contributions on 2025-05-03
0 contributions on 2025-05-04
0 contributions on 2025-05-05
0 contributions on 2025-05-06
3 contributions on 2025-05-07
0 contributions on 2025-05-08
0 contributions on 2025-05-09

Apr

9 contributions on 2025-04-01
18 contributions on 2025-04-02
33 contributions on 2025-04-03
21 contributions on 2025-04-04
28 contributions on 2025-04-05
10 contributions on 2025-04-06
30 contributions on 2025-04-07
29 contributions on 2025-04-08
29 contributions on 2025-04-09
29 contributions on 2025-04-10
14 contributions on 2025-04-11
2 contributions on 2025-04-12
11 contributions on 2025-04-13
5 contributions on 2025-04-14
8 contributions on 2025-04-15
10 contributions on 2025-04-16
19 contributions on 2025-04-17
0 contributions on 2025-04-18
8 contributions on 2025-04-19
0 contributions on 2025-04-20
13 contributions on 2025-04-21
16 contributions on 2025-04-22
6 contributions on 2025-04-23
10 contributions on 2025-04-24
6 contributions on 2025-04-25
5 contributions on 2025-04-26
15 contributions on 2025-04-27
0 contributions on 2025-04-28
0 contributions on 2025-04-29
0 contributions on 2025-04-30

Work Experience

Work Experience

C

CodeHawks

8 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

8mos

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

Project Image
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.

Project Image
CraftMeme

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

Project Image
OptimalAI

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