Freelancer profile translated to English.

Description

Software Architect | Senior Fullstack Developer – 15 years of experience

I work on ambitious web projects by combining technical expertise, software architecture, project management, and mastered use of AI to accelerate and ensure the reliability of developments.

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 production of complex solutions, while mentoring technical teams and ensuring reliable delivery.

What I bring you

• Front-end and back-end software architecture

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

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

• Implementation or optimization of CI/CD pipelines, monitoring

• Fullstack development: React, Next.js, Node

• Design System 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 package 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)

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent
Spanish
Fluent

Workplace preferences

Can work on-site

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

Kadeya
Software Architect
AGRICULTURE
November 2025 - Today (9 months)
Paris, France
Software Architect & Lead Dev – Kadeya

At Kadeya, I act as a software architect and transverse technical referent for an ecosystem combining connected industrial machinery, 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

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

Definition of API contracts, data models, and transactional flows (dispensing, 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 Architect / Lead Dev / Solution Architect role: 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 the performance and user experience of a Shopify 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 to enable 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.