Career

Messaging expert: infrastructure audits

Confidential clients · freelance, remote

• Audits and optimisation of infrastructures built around RabbitMQ.

Lead architect, OCPI roaming hub

CO-OP ev · freelance, remote

Go, NATS, PostgreSQL, Redis, Django / Celery, Kubernetes (Scaleway)

• Designed and built from scratch the OCPI roaming hub (2.1.1, 2.2.1, 2.3.0), including translation between versions.
• Multi-version interoperability test platform; onboarding documentation for operators (CPOs, eMSPs).
• Since go-live (October 2026): technical lead and follow-up of the hub, on an as-needed basis.

Architect, distributed timer system

US startup (under NDA) · freelance, remote

Go, AWS serverless, multi-region (United States, Europe, Asia)

• Architecture and implementation of a high-volume timer system: several hundred thousand timers active at once, firing actions through messages when they expire.
• Fault-tolerant orchestration microservices.

Tech lead

Portail RSE (CSR reporting portal) — beta.gouv.fr · freelance

Python, Django, HTMX, PostgreSQL, ProConnect / OIDC, Scalingo

• Security accreditation of the service, granted in March 2025 (risk analysis, security roadmap).
• Platform hosting and running AI classification models for CSRD / VSME reports.
• Managed two senior developers; co-product owner.

Lead developer

DORA — GIP Plateforme de l'inclusion, beta.gouv.fr · freelance

Python, Django, Svelte, PostgreSQL, Scalingo

• Hired and managed two developers.
• Migration from Inclusion Connect to ProConnect (OIDC), with two merged open source contributions (mozilla-django-oidc, oauth2-proxy).
• Integration with INSEE and data.gouv.fr data.

Senior developer

Les Emplois de l'Inclusion — beta.gouv.fr · freelance

Python, Django, DRF, PostGIS, HTMX

• Platform-side architecture of the exchange with the ASP information system (employee records): reference data, formats, automated SFTP exchanges, rejection handling.
• REST API, geographic data (QPV, ZRR, INSEE municipalities), adoption of HTMX; the team grew from three to eight developers.

Project manager

Electre Data Services · freelance

• Led a partial overhaul towards Electre NG (OIDC / Keycloak identity, indexing services).

Senior developer and architecture designer

FedEx · freelance

Python, RabbitMQ, Scrum / SAFe

• High-volume asynchronous messaging (several million messages a day) and optimisation of the parcel-scan processing flows across Europe.
• Architecture design of a legacy module and of its connection to existing systems; Python knowledge transfer.

Solution architect

Ilem, on a long-term assignment at RTS (SRG SSR) · Geneva

iOS (Objective-C), Android (Java), Go, Python, Clojure / ClojureScript, AWS, PostgreSQL / PostGIS

• Mobile apps: design and development of the first versions of Play RTS (iOS, Android), launched in 2014 and still in service, within a Scrum of Scrums organisation of about fifty people.
• Winner of the first SRG SSR Hackdays (article classification, random forest); talks at EBU DevCon 2015 and MiXiT 2016.
• RTSInfo data unit: designed the data infrastructure (AWS, serverless and EC2) for dozens of data-journalism projects, often delivered in one or two days; first versions of the health insurance premium calculator.

Lead Consultant Mobility

Blue-Infinity · Geneva

• Mobile architecture lead; audit, consulting and pre-sales in enterprise mobility for private banking, watchmaking and industry (Lombard Odier, Pictet, Audemars Piguet, Rolex, SITA, Japan Tobacco).

Lead Mobility Architect

Nestlé GLOBE, global headquarters · Vevey

iOS, Android, MDM (SOTI, SAP, Juniper), mobile security

• Mobile architecture and best-practice guidelines applying to several hundred group applications; rolled out to the entities (Nestlé France, Nespresso, Purina…) and compliance checks of development agencies across four zones.
• Architecture of mobile device management (MDM) for more than 300,000 employees, with architects from SOTI, Juniper, SAP and Apple; mobile authentication proofs of concept.
• Joined as an architect in the quality unit, soon promoted to Lead Mobility Architect.

Independent mobile architect and developer

Montpellier, then Tours · freelance

Java / JEE, JMS, Objective-C, Android, Python / Flask, PostgreSQL

• Java / JEE expertise and fixed-price projects: CASDEN Banque Populaire (JMS), BNP, MMA, Rectorat de Montpellier, Qualtera; team mentoring at Bouygues.
• Designed and developed, alone and end to end, iPhone apps often also released on Android, for Orange, Nestlé, L'Oréal, ADEME (Éco-citoyens) and Airparif, often on behalf of agencies, back ends and REST APIs included (Python / Flask, PostgreSQL), with a hosting offer; work on the Voyages-SNCF app.
• CultureClic: augmented reality, 900 geolocated artworks from the RMN and Gallica (BnF).

Senior architect, data transmission

PDF Solutions · freelance, Montpellier

Java, JMS, Oracle, JVM performance

• Specified the processing chain for metrology data from semiconductor fabs (billions of measurements, multi-petabyte Oracle databases) up to the predictive failure-detection engines based on neural networks.
• Architecture of the high-volume messaging and of the software harness for the AI components; JVM performance audits.
• Data and messaging lead in a team of architects, coordinating two to three architects.

Technical project manager · Mutuelle des Motards (employed by Open Wide, then freelance) — online insurance products, including home insurance (Java / JEE, DB2).

Head of development and Internet architecture · SADA Assurances, Nîmes — online pricing then underwriting, data warehouse, team of three to four, Oracle 8i DBA.

Developer and systems engineer · DNWeb, Carcassonne — built an Internet service provider from scratch (hosting, email, DNS).