Freelancer profile translated to English.
Back to original languageAbout Yohan
Software and cloud architect, 15 years in demanding environments — from hyper-growth startups to large corporations like Rolex, Richemont, or Merck.
I help companies build and operate robust, automated, and scalable cloud infrastructures, and bring their AI systems into production without exploding costs or availability.
My approach is pragmatic: the right solutions for your context, not the trendiest ones.
Four areas:
→ Cloud Architecture & Migrations (AWS, Azure, GCP)
→ Platform & DevOps (Terraform, Kubernetes, CI/CD, Observability)
→ Full-Stack Development (Node.js, Vue, React, Symfony, Python)
→ AI in Production (Audits, RAG, Agents, Fine-tuning, Costs, Evals)
→ Fractional CTO: Architecture reviews, supporting growing teams, translating tech ↔ business.
AWS Certified (Solutions Architect, Developer, SysOps).
Multi-cloud, remote, short-term or long-term engagements.
Based between France and Switzerland, FR + EN.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- SAAGA SolveSenior Software Engineer & ArchitectTECHNovember 2025 - Today (8 months)United StatesArchitect and full-stack developer within the founding team of Saaga, an American startup building a platform for autonomous AI agents — agents that perform real business tasks (SEO, code generation, automation) without human intervention.Contributed to AWS cloud architecture, backend (Node.js) and frontend (Next.js / React) development, as well as authentication, billing, and tracking systems. Platform in beta with active users.
- OHMEX SAPart-time CTO / Senior Full Stack EngineerIMPORT AND EXPORTAugust 2025 - Today (11 months)Nyon, VD, SwitzerlandTechnical consulting and development for the IT system of a Swiss B2B distributor. Development of Sage X3 scripts (4GL), functional ERP documentation, EDI flow integration, and coordination with the WMS. Cross-functional intervention across the entire supply chain and IT.
- CampalinguaSenior Full Stack Engineer & DevOpsEDUCATION AND E-LEARNINGFebruary 2025 - Today (1 year and 5 months)Corsica, FranceDesign and deployment of a web platform allowing Corsican speakers to contribute to the preservation of their language through audio recordings. Contributions are automatically transcribed and translated using an integrated AI pipeline (WhisperX on SageMaker). Multi-environment serverless architecture, external API for partner integration, infrastructure fully managed in IaC.
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Education
- Azure Managed Redis (AMR) Partner Sales Associate Microsoft Certified: Azure FundamentalsAzure Managed Redis (AMR) Partner Sales Associate Microsoft Certified : Azure Fundamentals
- DUT, Computer ScienceIUT de Belfort-Montbéliard - University of Franche-Comté2012DUT, Informatique