Freelancer profile translated to English.
Back to original languageAbout Maxime
Engineering Manager&AI Product Engineerwith 10+ years of experience in the startup ecosystem. I design and build end-to-end AI-native SaaS products, from architecture to production, and help founders and CTOs scale from POC to product.
💻 10+ years of experience, including:
- 4 years at **PlayPlay**, a SaaS scale-up, as Senior Developer, Lead, and then Engineering Manager
- Co-founder of **Gidmi**, an AI-native mediation SaaS: full-stack architecture, multi-provider LLM orchestration, RAG, durable workflows
- Freelance AI Product Engineering missions for founders and project leaders (AI chatbots, LLM integrations into SaaS products).
- TypeScript expert with a WebGL and video product background
🚀 Building AI-native SaaS
- Monorepo architecture
- Multi-provider LLM orchestration (OpenAI, Vertex AI, ElevenLabs...) with cost and credit tracking
- Production-grade RAG
- Durable workflows for long AI jobs: retries, concurrency, observability
- LLM observability (prompt versioning, traces, A/B testing)
- Infrastructure-as-Code (Terraform, GCP, Vercel...) and CI/CD
🧠 AI-augmented engineering
- Mastery of agent workflows (Claude Code, Codex, Cursor, MCP) in a real-world environment
- Implementation of skills, AGENTS.md, playbooks for team collaboration with agents
- Accelerated delivery in MVP / redesign phases
📐 Engineering management & structuring
- Stack audits, technical debt, team organization
- Recruitment, rituals, coaching
- Fractional Tech Lead for CTOs or founders
🤝 Who do I work with?
- Early-stage founders who want to ship AI-native SaaS
- Startups scaling from AI POC to production product
- Tech teams looking to level up on agent-augmented development
- CTOs needing a Fractional Tech Lead to drive an AI project
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 10km)
Experience
- GidmiCo-founder & AI Product EngineerSOFTWARE PUBLISHINGOctober 2025 - Today (10 months)Paris, FranceMediation SaaS for museums, monuments, and institutions: creation of digital tours (AI-assisted, multilingual audio guides) accessible via QR code, without a native app.Stack: TypeScript monorepo (Next.js, NestJS), multi-provider LLM orchestration (OpenAI, Vertex AI, ElevenLabs) with Langfuse observability and credit system, RAG on pgvector, Inngest durable workflows, offline-first PWA, GCP infrastructure in Terraform.
- PlayPlayEngineering ManagerSOFTWARE PUBLISHINGSeptember 2022 - October 2024 (2 years and 1 month)Paris, FranceManaged product engineering teams in a SaaS scale-up (generative AI video, 100+ employees). Member of the architecture committee, contributing to cross-functional technical decisions. Led the delivery of strategic features in collaboration with product and design.Structured engineering processes: recruitment of senior and junior engineers, team rituals, technical reviews, individual progression plans. Technical coaching and career development support for developers.
- PlayPlayTechnical LeadSOFTWARE PUBLISHINGMarch 2021 - September 2022 (1 year and 6 months)Paris, FranceLed the strategic migration of the video rendering engine: transitioning from Adobe After Effects to WebGL, leading a team of 8+ developers over several months. Implemented an NX monorepo structure for all creative projects, redesigned development tools and the build chain. Defined the technical roadmap for the creative team and delivered product features in coordination with the PM and design. Provided daily technical coaching.
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Education
- Expert in Digital Communication EngineeringHETIC2015
- Production in the artistic and cultural fieldCreature School2018