I’m a CTO / Tech Lead and senior full-stack engineer with strong hands-on experience across React, React Native, Node.js, and smart contracts (Solidity/EVM, plus Rust/Solana/Anchor). I’m usually brought in when a team needs to ship fast without compromising architecture, reliability, or security. I build and lead the delivery of web/mobile products and Web3 systems, 100% remote (CET/CEST). What I can help with CTO/Tech Lead support: architecture, technical decisions, hiring/mentoring, delivery leadership Web & mobile delivery: React / React Native / Node.js, scalable foundations, clean DX Web3 engineering: contract design & implementation, testing, reviews, integrations (wallets, SDKs) If you share your context (scope, timeline, budget), I’ll reply quickly with a clear plan and next steps.

antoine monesma

I’m a CTO / Tech Lead and senior full-stack engineer with strong hands-on experience across React, React Native, Node.js, and smart contracts (Solidity/EVM, plus Rust/Solana/Anchor). I’m usually brought in when a team needs to ship fast without compromising architecture, reliability, or security. I build and lead the delivery of web/mobile products and Web3 systems, 100% remote (CET/CEST). What I can help with CTO/Tech Lead support: architecture, technical decisions, hiring/mentoring, delivery leadership Web & mobile delivery: React / React Native / Node.js, scalable foundations, clean DX Web3 engineering: contract design & implementation, testing, reviews, integrations (wallets, SDKs) If you share your context (scope, timeline, budget), I’ll reply quickly with a clear plan and next steps.

Available to hire

I’m a CTO / Tech Lead and senior full-stack engineer with strong hands-on experience across React, React Native, Node.js, and smart contracts (Solidity/EVM, plus Rust/Solana/Anchor). I’m usually brought in when a team needs to ship fast without compromising architecture, reliability, or security.

I build and lead the delivery of web/mobile products and Web3 systems, 100% remote (CET/CEST).

What I can help with

CTO/Tech Lead support: architecture, technical decisions, hiring/mentoring, delivery leadership

Web & mobile delivery: React / React Native / Node.js, scalable foundations, clean DX

Web3 engineering: contract design & implementation, testing, reviews, integrations (wallets, SDKs)

If you share your context (scope, timeline, budget), I’ll reply quickly with a clear plan and next steps.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Lead Developer at The Guardians
August 1, 2025 - December 1, 2025
Built a mobile application for prestigious schools in Paris; integrated AI features and gamification for learning progress and self-testing; designed a back office with AI-powered workflow.
Lead Developer at USM
March 1, 2025 - September 1, 2025
Built platform to fundraise and launch community/utility token — DAO-owned, fully on-chain, AI-powered on BNB chain.
Mobile Developer at JU SAP
December 1, 2024 - June 1, 2025
Developed the JU SAP mobile application in React Native and TypeScript — a new-generation social network focusing on authentic interactions and modern UX.
CTO / Head of Engineering at ARZE Technologies
October 1, 2024 - Present
Building a Web3 ecosystem and developing applications, smart contracts, tokenization, and automation solutions for payroll, invoicing, back-office/BI management and financial services.
Full-Stack Developer at TrustBytes
September 1, 2024 - December 1, 2025
Built a wallet analyzer and token rebalance base on idle capital on the Solana ecosystem. Created an interactive on-chain dashboard with reactive tooling and live status monitoring.
Lead Developer at OpenCyber AI
August 1, 2023 - August 31, 2024
Developed OpenCyberAI, an AI-powered serious game designed to teach cybersecurity from fundamentals to advanced levels.
Lead Developer at DIAMPARK
June 1, 2022 - January 1, 2023
Led and supported a development team in partnership with hospitals.
Independent Consultant — Full-Stack & Web3 Freelancer at Self-Employed
January 1, 2018 - Present
Deliver web and blockchain-based applications including smart contracts and dApps; provide full-stack development, architecture design and technical consulting across multiple clients.

Education

Bachelor of computer science at 3w Academy
October 3, 2017 - January 3, 2018
Fullstack developer
Hedera Hashgraph developer at Blockchain training alliance
April 1, 2023 - April 30, 2023
Hedera Hashgraph developer courses

Qualifications

Solana demo day Warsaw
October 30, 2025 - January 3, 2026
Winner, first place on Solana Demo days organized by Superteam Poland and Mastercard with our project: Trustbytes
Hello Future Hackathon 2.0
October 1, 2024 - December 1, 2024
3rd place in DeFi and AMM category with my project: ARZE
OVHcloud startup program
June 4, 2025 - January 3, 2026
Selected on OVHcloud startup program with the project: ARZE
OVHcloud Fast Forward Blockchain & Web3 Accelerator
September 16, 2025 - November 20, 2025
Selected from among 16 teams out of several thousand, culminating in a showcase for the OVHcloud summit in Paris with the project: ARZE.

Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Financial Services
    JUSAP

    Developed JUSAP, a next-generation social network designed for authentic interactions and a fluid, modern user experience.

    Key technologies & focus:

    • React Native & TypeScript for scalable, high-performance mobile architecture

    • Modern UX design to maximize engagement and intuitive use

    • Built with future-ready principles, enabling seamless expansion and integration of new features

    Impact: Delivered a robust, elegant platform that combines social connectivity with cutting-edge mobile technology.

    ARYA

    Contributing to the development of the ARYA ecosystem, with a focus on artificial intelligence and next-generation gaming technologies.

    Key focus:

    • Designing innovative, scalable AI systems for interactive experiences

    • Developing Gods Legacy, a groundbreaking AI-powered video game shaping the future of entertainment

    • Collaborating with a high-performance team to push technological boundaries

    Impact: Creating futuristic, AI-driven experiences that redefine how users interact with digital entertainment.

    Trustbytes

    Developed the front-end of REBALANCER, a next-generation platform for smart treasury rebalancing on Solana.

    Key focus:

    • Built scalable web applications using Next.js, React, and TypeScript

    • Implemented wallet integration and secure swap mechanisms for rebalancing assets

    • Developed and executed automated tests to ensure reliability and performance

    Impact: Delivered a robust, high-performance platform that enables users to efficiently manage and rebalance their digital assets, setting new standards for smart treasury systems.

    This video was before last update.

    Artransfer

    Developed Artransfer, a mobile application enabling private individuals to buy and sell artworks seamlessly.

    Key focus:

    • Building scalable and intuitive mobile solutions using React Native, Redux, and Expo

    • Designing a fluid user experience for art collectors and sellers

    • Ensuring smooth performance and reliability across platforms

    Impact: Delivered a modern, high-performance platform that facilitates secure, direct transactions in the art market.

    Compétences : React Native · API REST · Redux.js · TypeScript · Architecture MVC · Applications mobiles

    Diampark

    Managed and supported a development team while collaborating closely with back-office staff to deliver impactful digital solutions for healthcare.

    Key projects:

    • Digipark mobile app: Assisting Parkinson’s patients with intuitive tools and support

    • MotivPark web app: An interactive escape-game platform in partnership with hospitals to educate and engage patients about Parkinson’s disease

    Focus: Leading the team to build scalable, user-centered applications that combine technology and healthcare expertise

    Impact: Enabled patients and healthcare providers to access innovative, AI- and data-supported solutions, improving education, engagement, and patient experience