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Roellinger R.RR

Roellinger R.

Senior Product Engineer | GenAI & Cloud

€500/day
Toulon, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Roellinger

Companies have finished experimenting with AI.

Today, they are looking for products that work in production, respect business constraints, control costs, and generate value.

This is precisely where I come in.

I help companies transform AI ideas, prototypes, or POCs into reliable, scalable, and profitable products.

I combine:

⚡ The speed of GenAI technologies to deliver quickly

🏗️ 10 years of software engineering experience to build robust systems

📈 A product and business vision to maximize real impact

What I've built

🚀 AI Media Generation SaaS Platform

Vertex AI (Gemini, Imagen)
Real-time voice copilot
Multi-model intelligent routing
AI cost governance
Google Cloud deployment

🏗️ Goodnite

Co-founder & CTO
Leading platform for Fortnite creators in France
250,000+ islands listed
50,000 monthly visits
Architecture, SEO, acquisition, analytics, and growth

🔒 PII Sentinel

Sensitive data detection and masking
Local execution
Privacy by design
Compatible with ChatGPT, Claude, and Gemini

My areas of expertise

✓ Industrialization of AI POCs
✓ GenAI Applications
✓ AI Agents and Copilots
✓ Cloud Architecture
✓ Google Cloud & Vertex AI
✓ Product Engineering
✓ Cost/Performance/Scalability Optimization

Do you have an AI project to industrialize or a product to build?

📩 Contact:
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Toulon (up to 10km)

Experience

  • Blue Spirit / Spirit Productions (filiale TF1)
    Product Engineer — Generative AI Platform
    March 2026 - June 2026 (3 months)
    Toulon, France
    Design and development of an AI media generation SaaS platform for a TF1 animation studio. Responsible for architecture, development, and production deployment on Google Cloud.
    Achievements:
    - Full-stack TypeScript architecture (React, Node.js, PostgreSQL)
    - Over 225 automated test suites
    - Vertex AI integration (Gemini and Imagen)
    - Batch text-to-image generation, inpainting, upscaling, and variations
    - Real-time voice copilot based on Gemini Live and Chirp
    - Intelligent model selection router based on cost, latency, data residency, and carbon footprint
    - AI credit governance via an immutable ledger and approval workflows
    - Full deployment on Google Cloud (Cloud Run, Firebase Hosting, GitHub Actions CI/CD)
    Vertex AI Google Cloud Platform (GCP) Node.js PostgreSQL React.js
  • Sentinelle PII
    Founder Company: PII Sentinel
    January 2026 - Today (7 months)
    Personal data protection in generative AI. PII Sentinel automatically detects and masks sensitive data (emails, IBANs, phone numbers, social security numbers) before they are sent to ChatGPT, Claude, or Gemini. 100% local, GDPR Article 32 compliant.

    → sentinelle-pii.fr
    artificial intelligence JavaScript Chrome Extension Vercel Cloudflare
  • Goodnite.fr
    Co-founder & CTO
    VIDEO GAMES AND ANIMATION
    May 2020 - February 2026 (5 years and 9 months)
    Co-founder & CTO of Goodnite, the leading platform for Fortnite creators in France.
    📈 Key Figures
    • 50,000+ islands listed
    • 250,000 monthly visits
    • 200,000+ social media followers
    🏗️ Achievements
    • Complete design and development of the platform
    • Scalable architecture based on Symfony, React, Redis, and MongoDB
    • Development of creator tools and real-time analytics
    • Implementation of SEO and acquisition strategy
    • Management of Google Ads and TikTok Ads campaigns
    • Development of partnerships with creators, influencers, and brands
    • Coordination of product, marketing, and community activities
    💡 As a technical founder, I participated in all stages of product growth: architecture, development, acquisition, monetization, and performance optimization. Every technical decision was guided by a concrete business objective: growth, retention, and profitability.
    Symfony 5 Amazon Web Services (AWS) Google Analytics 4 Phantombuster Automation

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Education

  • Web & App Developer
    Epitech
    2016

Skill set

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