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I am a Web3 Developer with full stack capabilities and a strong background in cybersecurity engineering. I specialize in developing smart contracts using Solidity, Foundry, and web3.py with practical experience in blockchain security and decentralized finance. I am passionate about identifying vulnerabilities to ensure scalable and secure decentralized application integrations. I have hands-on experience working on blockchain projects, including Hyperledger Fabric for financial settlements. In addition to my blockchain expertise, I am also a part-time mathematics teacher, combining my teaching skills with technical knowledge to support my professional development and contribute to the education sector.…I am a Web3 Developer with full stack capabilities and a strong background in cybersecurity engineering. I specialize in developing smart contracts using Solidity, Foundry, and web3.py with practical experience in blockchain security and decentralized finance. I am passionate about identifying vulnerabilities to ensure scalable and secure decentralized application integrations. I have hands-on experience working on blockchain projects, including Hyperledger Fabric for financial settlements. In addition to my blockchain expertise, I am also a part-time mathematics teacher, combining my teaching skills with technical knowledge to support my professional development and contribute to the education sector.

Sami Bouchnafa

Blockchain Developer, Full Stack Developer, App Developer, +1

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I am a Web3 Developer with full stack capabilities and a strong background in cybersecurity engineering. I specialize in developing smart contracts using Solidity, Foundry, and web3.py with practical experience in blockchain security and decentralized finance. I am passionate about identifying vulnerabilities to ensure scalable and secure decentralized application integrations. I have hands-on experience working on blockchain projects, including Hyperledger Fabric for financial settlements. In addition to my blockchain expertise, I am also a part-time mathematics teacher, combining my teaching skills with technical knowledge to support my professional development and contribute to the education sector.…I am a Web3 Developer with full stack capabilities and a strong background in cybersecurity engineering. I specialize in developing smart contracts using Solidity, Foundry, and web3.py with practical experience in blockchain security and decentralized finance. I am passionate about identifying vulnerabilities to ensure scalable and secure decentralized application integrations. I have hands-on experience working on blockchain projects, including Hyperledger Fabric for financial settlements. In addition to my blockchain expertise, I am also a part-time mathematics teacher, combining my teaching skills with technical knowledge to support my professional development and contribute to the education sector.

Available to hire

I am a Web3 Developer with full stack capabilities and a strong background in cybersecurity engineering. I specialize in developing smart contracts using Solidity, Foundry, and web3.py with practical experience in blockchain security and decentralized finance. I am passionate about identifying vulnerabilities to ensure scalable and secure decentralized application integrations.

I have hands-on experience working on blockchain projects, including Hyperledger Fabric for financial settlements. In addition to my blockchain expertise, I am also a part-time mathematics teacher, combining my teaching skills with technical knowledge to support my professional development and contribute to the education sector.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

French

Advanced

Arabic

Advanced

Work Experience

Blockchain Intern at Casablanca Stock Exchange

February 1, 2025 - Present

Developing a Hyperledger Fabric-based blockchain system to modernize settlement processes, enabling real-time trade settlement and automated clearing mechanisms using smart contracts. The project aims at enhancing transaction security and operational efficiency.

Blockchain Security Intern at Shellboxes

September 1, 2024 - August 6, 2025

Created blockchain Capture The Flag (CTF) challenges focusing on DOS attacks and oracle manipulation. Developed a web3 application to monitor newly launched tokens for potential scams, conducting multiple tests before purchase. Built a bot to test newly created contracts with Slither, generating analyses and gathering information from Ethereum and Layer 2 networks like Optimism and Polygon.

Blockchain Security Auditor (Freelance)

January 1, 2023 - Present

Conducted public audits in DeFi, AMMs, and various blockchain protocols. Specialized in blockchain security and utilized tools like Foundry, Slither, and Remix, primarily working with Solidity to ensure robust smart contract security.

Part-time Mathematics Teacher at Center IEX - Kenitra

January 1, 2025 - August 6, 2025

Taught mathematics on a part-time basis.

Smart Contract Security Auditor at Freelancer

December 31, 2025 - September 3, 2025

Conducted security audits on smart contracts, identifying vulnerabilities and ensuring the robustness of blockchain applications. Provided security analysis services to clients across various blockchain platforms.

Mathematics Teacher (Part-time) at Kenitra

January 1, 2021 - Present

Taught mathematics part-time, helping students understand complex concepts and improve their academic performance.

Hyperledger Fabric Developer (Internship) at Casablanca Stock Exchange

August 1, 2025 - September 3, 2025

Developed a Hyperledger Fabric-based blockchain system to modernize settlement processes. Enabled real-time trade settlement and automated clearing via smart contracts, while enhancing transaction security and operational efficiency.

Blockchain Security Auditor (Internship) at Shellboxes

September 1, 2024 - September 3, 2025

Created Blockchain CTF challenges focused on DOS attack and oracle manipulation. Developed a Python application to monitor mempool for new tokens, identifying potential scams. Built a bot for Slither testing of new contracts, gathering analyses from Ethereum and Layer 2 networks like Optimism and Polygon.

Education

Engineering Degree at School of Information Sciences (ESI) - Rabat

January 1, 2020 - January 1, 2025

Preparatory Classes for Engineering Schools (CPGE) at Mohammed VI Center

January 1, 2020 - January 1, 2022

Engineering Degree at School of Information Sciences (ESI) - Rabat

January 1, 2021 - January 1, 2025

Preparatory Classes Graduate in Mathematics and Physics at Mohammed VI Center

January 1, 2020 - January 1, 2022

Qualifications

Blockchain Security Specialist

July 1, 2024 - September 1, 2024

Completed intensive training in smart contract security, including CTF challenges, mempool analysis, and automated vulnerability detection using Slither and Foundry frameworks.

Hyperledger Fabric Developer

February 17, 2025 - August 17, 2025

Hands-on implementation experience building permissioned blockchain networks for financial institutions, including multi-organization PKI, consensus protocols, and secure channel management.

Smart Contract Development with Foundry

August 11, 2025 - August 11, 2025

Advanced proficiency in Foundry framework for smart contract testing, deployment, and security analysis, developed through real-world projects at Shellboxes.