Freelancer profile translated to English.

Description

Software Architect | Senior Fullstack Developer – 15 years of experience

I work on ambitious web projects, combining technical expertise, software architecture, project management, and mastery of AI to accelerate and secure development.

With 15 years of experience in web development and 8 years of intensive React/Next.js practice, I support startups, SMEs, and scale-ups in the design, structuring, and deployment of complex solutions, while mentoring technical teams and ensuring reliable delivery.

What I bring to you

• Front-end and back-end software architecture

• Technical project management: scoping, roadmap, team organization, sprints

• Technical leadership: developer mentoring, code reviews, continuous improvement

• Implementation or optimization of CI/CD pipelines, monitoring

• Fullstack development: React, Next.js, Node

• Design Systems conception and front-end architecture guidelines

• Advanced integration of AI in dev workflows: agents, automations, assisted generation, productivity improvement

• Close collaboration with product, design, and business teams

• Transformation of business needs into robust, scalable, and maintainable solutions

Notable achievements

• Kadeya (USA): Software Architect & Project Manager for an HMI application controlling a connected machine (Front/Back/Hardware coordination)

• HULO Foundation: creation of a complete Design System

• Supervan: redesign of the parcel booking tunnel

• Kwarto: 3D visualization and image conversion in the real estate sector

• Pazzi Robotics: order kiosk interface for a chain of robotic pizzerias

Preferred Stack

React, Next, TypeScript, Node, Express, Tailwind, MUI, Storybook, PostgreSQL, GitHub CI/CD

French (native),

English (professional - C1),

Spanish (professional)

Based in Fouesnant (29), mobile, remote or on-site interventions in Brittany and the Paris region.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent
Spanish
Fluent

Workplace preferences

Can work on-site

Fouesnant (up to 30km), Paris (up to 20km)

Kadeya
Software Architect
AGRICULTURE
November 2025 - Today (7 months)
Paris, France
Software Architect & Lead Dev – Kadeya

At Kadeya, I act as the software architect and transversal technical referent for an ecosystem combining industrial connected machines, IoT, cloud, and web/mobile applications.

I design a complete architecture from embedded hardware to the cloud, with a strong focus on industrialization, scalability, and robustness (offline-first, network resilience, error handling).

Architecture & System

Design of a multi-layer architecture:
Machine layer: Beckhoff PLC (TwinCAT), Windows IoT, C# local services, MQTT, SQLite.
Cloud layer: AWS (ECS Fargate, RDS PostgreSQL, S3, Cognito), NestJS APIs.
Applications: React PWA, Flutter HMI, admin portals.

Definition of API contracts, data models, and transactional flows (dispense, return, payment, loyalty). Event-driven architecture via MQTT with fine-grained machine state management.

Backend & Integrations

Design and supervision of NestJS APIs (auth, pricing, wallet, bottle lifecycle).
Implementation of a cloud-synchronized local Payment Orchestrator.
Management of transactional workflows (booking, confirmation, rollback).
Cloud-to-cloud integrations (industrial washers, payment, loyalty).

Frontend & HMI

Structuring of PWA applications and internal portals.
Flutter architecture for touch screen machine interface.
Dedicated layers (isolated maintenance, secure kiosk mode).
Real-time via MQTT.

DevOps & Industrialization

Multi-environment AWS architecture, Docker, GitHub Actions, ECS.
IAM, security, cost management.
Industrial Windows image strategy for large-scale deployment.

Positioning

Hybrid role: Architect / Lead Dev / Solution Architect: global IS vision, technological choices, hardware/software alignment, product scalability, and industrialization.
PWA Amazon Web Services External API Integration React.js NestJs
Agence Debord
Fullstack JS Developer
DIGITAL AND IT
May 2025 - October 2025 (5 months)
Paris, France
Development of a booking website for unique stays with Next.js, TypeScript, Tailwind CSS, and Directus (headless CMS), deployed on Vercel. Improvement of performance and user experience for a Shopify online store. Design and integration of a complete design system for an online drone sales store.
Shopify Directus Next.js TailwindCSS
Fondation HULO
Frontend Next.JS Developer
September 2023 - March 2024 (6 months)
Montreuil, France
CONTEXT
The HULO foundation has developed tools allowing partner NGOs to share humanitarian freight shipments.

TEAM: 6 people (1 CTO - 1 Front Dev Designer - 2 Front Devs - 2 Back Devs)

MISSIONS
• Creation of a Design System for the foundation's web tools.
• Integration of new interfaces provided on Figma based on atomic design.
• Various developments.
• Refactoring to extract component logic into hooks.
• Mentoring a junior developer.
• Investigation and participation in resolving technical issues.
• Front-end code review.

TECHNICAL AND FUNCTIONAL ENVIRONMENTS
React.JS, Next JS, Figma, Storybook, Git, Agile/Scrum, Jira.