Gabriel Rance · AI Engineer · Brussels ⇄ Paris

Available for selective AI product roles

What do you want to discover about me?

Do not read a flat CV. Pick a lens, ask a real problem, then inspect the proof behind the answer.

Browse the story

Interactive portfolioguided mode

Choose a lens

Founder, builder, engineer or recruiter. The page adapts to the question in your head.

Ask the problem

Give the twin a messy AI/product problem and see how I would reason.

Open the proof

Every answer points back to shipped projects, constraints and outcomes.

(01), About

Built from the ground up, 7 years in industrial engineering, then AI systems at scale. Not a theorist: I design, build and ship production AI agents, open-source infrastructure and original products, then measure what actually moves.

100+

production AI agents deployed for European enterprises

1,000+

daily users on QueryRouter++ in production

−90%

token cost cut through intelligent routing

(02), Products

What I've built

↗

intelligent routing

Open Source · LLM Infra2026

QueryRouter++

Intent-based routing across LLM models and tools, with per-request cost tracking.

↗

agentic job search

Open Source · Agentic2025

CareerOS

Mac-native platform automating the full A-level job search chain.

↗

real-time voice agent

Voice AI2025

AgentCall

Real-time voice AI agent for enterprise outbound automation.

↗

agent runtime

Agent Runtime · Wonka2026

WonkaClaw

Full agentic runtime with memory management, MCP integration and tool orchestration.

↗

AI usage analytics

Analytics · Wonka2026

Wonka Audit

npx wonka-audit, analyzes how teams actually use AI.

↗

personal automation

Prototype · Automation2026

Mirror

Observes your behavior, detects repetitive tasks, generates agents.

(03), Skills & stack

What I work with

LangGraphCrewAIClaudeCodexElevenLabsRAGPineconePythonRustTauriMCPFastAPIVercelCloudflareDockerDevOpsGCPLanceDBLangGraphCrewAIClaudeCodexElevenLabsRAGPineconePythonRustTauriMCPFastAPIVercelCloudflareDockerDevOpsGCPLanceDB

AI / ML

LangGraph · CrewAI · LlamaIndex
RAG · Pinecone · ChromaDB · LanceDB
Claude · OpenAI · ElevenLabs · Whisper
Evaluation: accuracy · latency · cost

Engineering

Python · TypeScript · React
Rust · Tauri
FastAPI · GCP
Full ship cycles, product to production

Infra & Integration

MCP servers · tools & skills
Docker · Cloudflare Workers
Odoo · CRM / ERP connectors
Multi-agent orchestration

(04), Path

Trajectory

Mar 2026 →

AI Engineer

Brussels & remote. 100+ production AI agents for European enterprises: RAG pipelines (Pinecone, ChromaDB), multi-agent workflows on GCP (LangGraph, CrewAI), CRM/ERP connectors. Shipped QueryRouter++ to production (1,000+ daily users, −90% token cost). Trained thousands of employees on AI adoption.

Wonka AI

2023 – 2026

Business Manager, Engineering Projects

Villeneuve-d'Ascq. Ran an €11M+ portfolio (HVAC & industrial systems) end-to-end across the full 5-phase lifecycle: scoping, design, procurement, construction, handover. Consultative client negotiations on scope, timeline and technical trade-offs.

Eau Air Système

Summer – Fall 2025

Optimization Engineer (School project)

Built a pathfinding optimization algorithm (TSP 2-opt, Python) for maintenance route planning inside a nuclear plant: +15% control points per day per technician, +20% employee satisfaction. Safety-critical environment, zero tolerance for error.

EDF

Oct 2025

Private Equity Analyst (Internship)

Selected among 13 candidates from USC, Cornell, UNC and Emory. Investment analysis and deal support across the portfolio. Remote.

KCC Capital Partners

~2015 – 2023

Plumber → Business Manager

7 years on the ground, from the tools to business-manager level. Deep operational knowledge of industrial infrastructure, project delivery and client management before pivoting to engineering and AI.

HVAC / Industry

(05), Ventures & education

Beyond the day job

Ventures

Le Colisée, Co-founder

2,500 members · +€15k MRR

Entrepreneurial community helping anyone launch a side business. Scaled through organic content on X, weekly events and a training platform with external speakers. Fully organic acquisition.

Greenea, Founder

600 MVP testers in week 1

Eco-tech startup cutting digital pollution: cleaning inboxes and turning deleted data into carbon-credit opportunities. Built the algorithm, structured the business model, validated demand in 7 days.

Education

Arts et Métiers (ENSAM Paris)

Specialized Engineering degree, 2023 →

AMJE, Arts & Métiers Junior Entreprise

Business development, client missions, benchmarks. A structure generating ~€400k in revenue.

Les Montagn'Arts, President

Student outdoor association. Organized multi-day mountain expeditions: logistics, bivouac, group management.

(06), Contact

Let's work
together.

Email LinkedIn GitHub

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