Jean-Loïc Mugnier
Verified Expert in Engineering
Blockchain Developer
Paris, France
Toptal member since October 7, 2022
Jean-Loïc is an ambitious, passionate French-Brazilian software engineer specializing in cybersecurity and cryptography. He has a background in computer science, an MBA in business management, and professional experience at Accenture, Binance, and BNB Chain, where he was the Web3 cybersecurity team lead and Cybersecurity Working Group coordinator at Campus Cyber and Niftag, a startup he founded.
Portfolio
Experience
- Back-end Development - 7 years
- Software Engineering - 7 years
- Agile - 7 years
- Distributed Ledger Technology (DLT) - 5 years
- Web Security - 5 years
- Solidity - 4 years
- DevSecOps - 4 years
- Cloud - 4 years
Availability
Preferred Environment
Git, Hardhat, Auditing, DevSecOps, Solidity, Cloud, Distributed Ledger Technology (DLT), Web3, IT Project Management, Agile Project Management
The most amazing...
...program I've delivered was a public cloud migration for an IT company leader in the travel industry that impacted over 2,000 developers.
Work Experience
Founder
IPSProtocol
- Modified and improved the heart of Ethereum to enable smart contract and wallet hack prevention.
- Developed high-performance and advanced Blockchain explorer.
- Established a secure, resilient, scalable Cloud infrastructure for tens of customer-facing applications.
Web3 Security Lead
Binance
- Crafted the Web3 security framework, akin to ISO standards, in collaboration with Web3 security experts like Certik, Slowmist, and Peckshield. These guidelines served as a unified basis for safeguarding all projects within the BNB Chain ecosystem.
- Initiated a weekly security scanning program to enhance the safety of all projects within the ecosystem by running weekly reports on the vulnerabilities detected and the best practices being followed.
- Oversaw the integration of the auditing team to adhere to the established standards.
- Developed a roadmap for tooling advancement, focusing on identifying newly detected vulnerabilities.
- Launched a cybersecurity initiative to disseminate knowledge and foster community awareness about cybersecurity threats and their corresponding solutions with BNB Chain cybersecurity partners.
- Harmonized roadmap and priorities with key management figures (BNB Chain leader and Binance CISO) despite divergent viewpoints.
Smart Contract Security Engineer
Binance
- Performed studies on historical hacks and vulnerabilities found in protocols.
- Conducted competitors analysis in terms of features and technologies.
- Developed on top of Slither, a static code analysis tool allowing us to detect vulnerabilities. Implemented newly discovered vulnerabilities from hack reports.
- Created new tools to scan all the BNB Chain projects above $200,000 in total value locked.
- Developed a tool for simulating transactions and protecting end users from scams.
- Created the 1st tool designed for conducting penetration testing on smart contracts.
- Participated in an AMA session to discuss cybersecurity for the BNB Chain.
Working Group Coordinator
Campus Cyber
- Led the creation and writing of the Blockchain Catalog of Attack.
- Presented our work at the International Forum of Cybersecurity (FIC).
- Drove workshops for cybersecurity companies such as Orange Cybersecurity.
- Led my team in conducting a comprehensive analysis of smart contract threats and solutions, utilizing the ANSSI cybersecurity analysis framework.
- Coordinated a conference featuring industry leaders from both Web2 and Web3 sectors.
CTO | Founder
Niftag
- Developed our MVP application used to get our first clients.
- Defined the roadmap features based on clients' needs and interests.
- Created our recruiting strategy based on our roadmap.
- Pitched to venture capital (VC) and business angels (BA) investors on our long-term strategy to raise capital.
Learning Facilitator | Teaching Assistant
MIT Professionnal Education
- Prepared over 16 customized presentations for different classes to clarify course content developed by MIT professors.
- Created over 16 tailored courses based on participants' interests in Web3.
- Developed in-depth blockchain scenarios for over 20 use cases, with startup references for participants to explore.
Senior Software Engineer
Accenture
- Delivered a public cloud migration program for the Amadeus department.
- Migrated a proprietary identity and access management (IAM) solution at Axa Go.
- Managed roadmaps, deliveries, and other internal assets.
Experience
Niftag
Education
Professional Degree in Blockchain
Massachusetts Institute of Technology (MIT) - Cambridge, MA, USA
Master's Degree in Computer Science Engineering
Polytechnique School of Nice - Nice - France
Certifications
Blockchain Certification
MIT Professional Education
Skills
Libraries/APIs
Web3.js, Web3j
Tools
Git
Languages
JavaScript, Java, Solidity, Python, Go
Paradigms
DevOps, Agile, DevSecOps, Agile Project Management
Platforms
Ethereum, Blockchain, Linux, Docker, Kubernetes, Amazon Web Services (AWS)
Frameworks
Hardhat, Angular, Ionic
Industry Expertise
Project Management, Cybersecurity
Other
Cloud, Distributed Ledger Technology (DLT), Software Engineering, Back-end Development, Non-fungible Tokens (NFT), Web3, Web Security, Feature Roadmaps, Product Roadmaps, Smart Contracts, IT Project Management, Architecture, Ethereum Virtual Machine (EVM), Auditing, Budget Management, Recruiting, Cryptography, Blockchain Architecture, Applied Cryptography, Distributed Systems, Mathematics, Web Development, Entrepreneurship, Ethereum Smart Contracts, Crypto
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