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Maxence GuyonvarhoMG

Maxence Guyonvarho

AI Product builder - AI-Augmented Product Builder

€600/day
1 project
Bordeaux, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Maxence

AI-Augmented Product Builder / Full-Stack Developer


Senior Full-Stack Developer specializing in SaaS, APIs, AI, and AWS Cloud, I assist startups and companies in designing and developing intelligent, robust, and scalable digital products.

With over 8 years of experience, I am involved in the entire product lifecycle: architecture, development, AI integration, cloud deployment, and scaling.

My goal is simple: to transform your ideas into high-performing and useful products, by combining solid engineering with AI capabilities (agents, automation, business assistants, RAG).

🚀 What I Do

Development of AI-augmented SaaS platforms: authentication, roles & permissions, subscriptions, payments, back-offices, and intelligent automation.

Design of scalable backend APIs capable of handling high traffic volumes and integrating AI services.

Implementation of AI systems applied to products: business assistants, agents, RAG, workflow automation.

AWS cloud deployment and automation: Lambda, ECS, S3, DynamoDB, PostgreSQL, CI/CD, Infrastructure as Code. Or VPS cloud

Modern and efficient web interfaces (Vue.js, React) focused on business needs and performance.

đź§  My Approach

Simple, effective, and results-oriented solutions.

Clear, tested, and maintainable code, easy for your teams to take over.

Fluid communication, education, and product support.

🎯 Objective

Help you design, launch, and evolve your digital products, whether it's an AI MVP, an existing SaaS platform, or a technical evolution towards AI-augmented products.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Bordeaux (up to 50km)

Experience

  • Kimono
    Founder
    SPORTS
    March 2026 - Today (4 months)
    Kimono is a SaaS that I am developing to simplify the management of martial arts clubs, combat sports, and similar disciplines like yoga or pilates.

    The idea was born from a simple observation: many clubs still use scattered tools, Excel files, WhatsApp groups, or generalist software that is not well-suited to their reality. However, a club doesn't just manage memberships: it tracks students, attendance, belts, families, classes, payments, documents, and sometimes multiple disciplines or multiple facilities.

    Kimono centralizes all of this into a modern, clear platform designed for the field: member management, attendance tracking, customizable belts, class organization, invoicing, online payments, communication with students, and multi-club management.

    The product positions itself as a simpler, more premium, and more specialized alternative to traditional fitness software, which is often complex, expensive, or ill-suited to martial arts. The goal is to save time for instructors, club presidents, and facility managers, so they can focus on what matters most: their students, their teaching, and the growth of their club.

    With Kimono, my ambition is to build a niche standard for the digitalization of martial arts clubs: a reliable, elegant, accessible tool truly designed around the practices of dojos, academies, and studios.
    Laravel Claude Code FilamentPHP
  • OCUS
    Backend Developer
    FILM AND AV
    November 2024 - Today (1 year and 8 months)
    Paris, France
    Freelance mission for the Ocus platform

    🛠️ Technical Stack

    • NestJs, Postgres, React, Laravel, Vuejs

    🎯 Missions

    • Adding features to the new Ocus platform (NestJs, Typescript, Postgres)
    • Migrating features from the old version (Laravel, VueJs) to the new version (NestJs, React)
    • Designing features based on events (aws event-bridge, sqs)
    NestJs Node.js Laravel PHP Vue.js
  • The Residency
    Lead Backend Developer
    SPORTS
    May 2023 - November 2024 (1 year and 7 months)
    Londres, United Kingdom
    âš˝ B2C startup in sports


    🎯 Mission Objectives:

    • Migration of an existing project to a more robust stack and an architecture adapted to B2C with high scalability demands.
    • Development of a robust and scalable backend architecture.
    • Supervision and mentoring of technical teams to ensure the quality of deliverables.
    • Automation of continuous integration and deployment processes (CI/CD).

    ✨ Notable Achievements:

    • Creation and deployment of services enabling better system scalability.
    • Implementation of an event-driven architecture reducing API latency times by 80% (200ms -> 50ms on average).
    • Creation of a management backoffice in Laravel/Filament accessible to teams.
    • Collaboration with product teams to deliver a technical roadmap aligned with strategic objectives.

    đź”§ Technologies Used:

    • NodeJs, Fastify, TypeScript
    • PostgreSQL, DynamoDB
    • Laravel, Filament
    • AWS Lambda, Terraform
    • Event-driven architectures
    Node.js Amazon Web Services Terraform Event-driven architecture Prisma

Recommendations

Georges-Ryan Abi-SleimanGA
Maxime K.MK
Georges-Ryan Abi-Sleiman and 1 other person have recommended Maxence

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Education

  • Master, Developpeur FullStack
    UniversitĂ  di Corsica Pasquale Paoli
    2019
    Master, Developpeur FullStack
  • Licence, Informatique
    Université de Corse Pascal Paoli
    2017
    Licence, Informatique

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