Jean-Loïc Mugnier, Blockchain Developer in Paris, France
Jean-Loïc Mugnier

Blockchain Developer in Paris, France

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, and professional experience at Accenture, Binance Security, Campus Cyber, and Niftag. Interested in DLT technologies, IoT, and blockchain, he has grown his expertise in the blockchain industry, mainly from a security perspective. Jean-Loïc developed NFT solutions such as fractionalized NFTs, NFT marketplaces, and NFT staking.
Jean-Loïc is now available for hire


  • Binance
    Auditing, Python, Smart Contracts, JavaScript
  • Campus Cyber
    Solidity, Git
  • Niftag
    Feature Roadmaps, Product Roadmaps, Budget Management, Recruiting...



Paris, France



Preferred Environment

Linux, Git, Hardhat, Web Security, Auditing, DevSecOps, Solidity, Slither, Cloud, Distributed Ledger Technology (DLT)

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.


  • Smart Contract Security Engineer

    2022 - PRESENT
    • Performed studies on historical hacks and vulnerabilities found in protocols.
    • Conducted competitors analysis in terms of features and technologies.
    • Developed a tool that finds vulnerabilities and performs automated testing.
    Technologies: Auditing, Python, Smart Contracts, JavaScript
  • Technical Coordinator

    2021 - PRESENT
    Campus Cyber
    • Led the creation and writing of the Blockchain Catalog of Attack:
    • Presented our work at the International Forum of Cybersecurity.
    • Drove workshops for cybersecurity companies such as Orange Cybersecurity.
    Technologies: Solidity, Git
  • CTO | Founder

    2021 - PRESENT
    • 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.
    Technologies: Feature Roadmaps, Product Roadmaps, Budget Management, Recruiting, Software Engineering
  • Senior Software Engineer

    2017 - 2021
    • 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.
    Technologies: Java, Angular, DevOps, Cloud, Agile, Docker, Kubernetes


  • Niftag

    Niftag is a solution for authenticating physical goods with a simple smartphone tap. The solution relies on IoT devices installed in the products, a smartphone app, and an integration with blockchain NFTs. As the CTO and founder, I developed the project's tech stack.


  • Languages

    Java, Solidity, Python, JavaScript
  • Paradigms

    DevOps, Agile, DevSecOps
  • Other

    Cloud, Distributed Ledger Technology (DLT), Software Engineering, Back-end Development, Hardhat, Web Security, Feature Roadmaps, Product Roadmaps, Smart Contracts, Web3j, Auditing, Slither, Budget Management, Recruiting
  • Tools

  • Platforms

    Linux, Docker, Kubernetes, Ethereum
  • Frameworks

    Angular, Ionic

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