GC.

Freelance software engineer · Toulouse & remote

I build and ship complex business products.

From existing code to production, I work across web, backend and data — with deep experience in PostgreSQL/PostGIS and sensitive production releases.

Discuss a project See selected work

01 — Ways to work together

Three useful engagement formats.

A clear scope for an existing product or a new, complex capability.

01

Audit and recovery of an existing product

Understand the real system, isolate risk and bring critical code and user paths back under control.

  • Prioritized diagnosis
  • Recovery plan
  • First validated fixes
02

Complex capability, delivered end to end

Scope and ship a capability spanning UI, APIs, data, permissions, payments or integrations.

  • Testable scope
  • Full-stack delivery
  • Production release
03

Data, geospatial and production

Design or harden PostgreSQL/PostGIS flows, business APIs and the infrastructure running them.

  • Models & queries
  • Performance and migrations
  • Deployment & monitoring

02 — Selected work

Real product problems, not demos.

Three examples of how I connect product, software, data and production.

01 / iudo · data & AI platform

Oct. 2022 — today

iudo and ChatPLU: mapping, data and LLMs for urban planning.

I have contributed to iudo’s full-stack development since 2022 and designed and built ChatPLU from 2023, an assistant for querying planning regulations in natural language.

NuxtNestJSPostgreSQLPostGISPythonLLM
iudo Application ChatPLU
Context
Combine cadastral data, mapping, domain rules and thousands of long, heterogeneous documents while keeping answers reliable and traceable.
Work
Web and backend architecture, PostgreSQL/PostGIS, document ingestion, OCR, semantic indexing, LLM orchestration, APIs and production infrastructure.
Outcome
A continuously evolving national platform and a public AI assistant that makes complex regulations queryable with sourced answers.

02 / Personal project · public network

2014 — today

Cookie Build: more than a decade evolving a complete product.

Launched in 2014, this cross-platform Minecraft network spans game servers, plugins, backend, data, website, iOS and Android apps, and community.

PaperNuxtSwiftUIFlutterPostgreSQLDocker
Site App Store Google Play
Context
Evolve several surfaces and protocols without drifting server, website, iOS app and public communication apart.
Work
End-to-end creation and operation across gameplay, infrastructure, monitoring, backups, mobile apps, store releases and post-deployment verification.
Outcome
A product still active today, with 50k+ Android downloads and a peak of 2,000 concurrent players.

03 / MIX CERAM · business software

Jun. 2022 — today

Intuition: a color science engine connected to a real commercial product.

Since 2022 I have developed and maintained this business application for dental-ceramics professionals, from calculation engine to storefront.

SvelteKitPostgreSQLStripeDockerDokploy
Intuition
Context
Evolve a color-formulation core while keeping L*a*b* calculations, catalog, subscriptions and production data consistent.
Work
Full-stack delivery, algorithm optimization, catalog and subscription changes, controlled deployments and production operations.
Outcome
A durable business application with a clearer calculation flow and changes verified from code through the public storefront.

03 — Selected experience

More than a decade building, recovering and operating products.

From self-operated products to long-term engagements, with details limited to what can safely be public.

Since Oct. 2022

iudo & ChatPLU

Full-stack engineer · Data & AI/LLM

Mapping platform and LLM assistant making planning data and regulations accessible.

Full-stackPostGISPythonLLMDevOps
iudo ChatPLU

Since Aug. 2024

Linkerman

visionOS & web platform

Design and evolution of a professional Apple Vision Pro application and its associated web services.

visionOSSwiftUIRealityKitWebBackend

Since Nov. 2025

Yohco

Full-stack & AI engineering

Full-stack work on an AI-agent SaaS platform, from backend architecture through interfaces and production.

Agents IABackendFrontendRealtimeCloud

Since Jun. 2026

Confidential public-sector engagement

Public product & data

Recovery and hardening of a critical public product, from frontend through data processing and operations.

Full-stackPostgreSQLSecurityPerformanceProduction

2014 — today

Cookie Build

Creator & maintainer

Mini-game network, mobile apps and web platform operated as one product.

Game backendWebiOSAndroidProduction
Site iOS Android

Since Jun. 2022

MIX CERAM · Intuition

Full-stack engineer

Color science business application for dental ceramics, from calculation engine to production.

SvelteKitAlgorithmsPostgreSQLCommerce
Intuition

04 — Method

Understand quickly, change precisely, verify in the real product.

  1. 01Trace the real user path and the main risk.
  2. 02Define a verifiable scope before building.
  3. 03Ship in short steps without hiding existing debt.
  4. 04Validate the result in the product and in production.

05 — Specialist capabilities

Less common terrain when the product calls for it.

Apple Vision Pro

SwiftUI, RealityKit, ARKit, spatial interaction and real-time video.

Mobile & Apple platforms

SwiftUI, Flutter, React Native, Firebase, release and maintenance.

AI inside real products

Agents, automation, supervision, business APIs and usage measurement.

A product or a blocker?

Tell me about the context, even if the scope is still unclear.

I reply within 48 hours with the first useful questions and a concrete way forward.

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