Freelancer profile translated to English.
Back to original languageAbout Sylvain
Full-stack developer with over 6 years of experience, I design and deliver robust, scalable, and high-impact business solutions.
My role: transforming complex business needs into concrete products that improve operational performance and accelerate growth.
I work with ambitious startups as well as SMEs and large corporations, from the creation of MVPs to large-scale production deployment.
Approach:
I combine technical rigor (automated tests, CI/CD, reliable and documented architectures) with product pragmatism (rapid deliveries, field feedback, agile iterations).
I am used to demanding contexts: critical systems, high scalability, industrial environments, complex supply chains...
Know-how & Experience:
Versatility: front, back, cloud, AI, edge, industrial IoT, SEO...
Large account expertise: robustness, compliance, critical environments.
International management: distributed teams of up to 40 developers
Fast and robust delivery: from concept to production
Objective:
Deliver solutions that combine technical excellence, product pragmatism, and measurable business impact.
Technical Stack:
- Back-end: Node.js (NestJS, TypeScript), Python (FastAPI), Java (Spring Boot)
- Front-end: Angular 18+, React (Next.js, Remix)
- Cloud & Infra: Docker, Kubernetes, AWS, gRPC, Azure, CI/CD (Git, TeamCity, SonarQube)
- Data & Messaging: Kafka, RabbitMQ, Redis, PostgreSQL, MongoDB
- AI & Vision: TensorFlow, GENICAM, CUDA, OpenAI API, Keras, LangChain
- Industrial IoT: MQTT, OPC UA, IO-Link
- Testing & Perf: Puppeteer, Playwright, Wireshark, JMeter, Artillery
English
Fluent
French
Native or bilingual
Chinese
Basic
Remote only
Primarily works remotely
Experience
- Capgemini Consulting - Capgemini InventSoftware Engineer LeadAUTOMOBILESeptember 2019 - Today (6 years and 9 months)Issy-les-Moulineaux, FranceOn assignment as a senior software engineer for Stellantis (FCA x PSA), I work on solutions related to the supply chain and post-supply chain.I operate in an international environment, where I lead a team of developers with diverse profiles (juniors, seniors, architects) spread across India, France, Morocco, Italy, Spain, and the United States, a team of ~40 people.My main role is to ensure the development and redesign of applications (MVP, evolutions), covering front-end, back-end, cloud technologies, as well as specific low-level solutions. The projects have varied requirements, combining high business complexity and advanced technical performance constraints.Flagship project: Camera ControlDeployed in over 30 sites worldwide.AI-based software (CNN), using industrial cameras and containers, integrated on edge computers / Jetson Nano in assembly workshops (engines, doors, etc.).Objective: improve productivity by automating quality control (eliminating manual operator control), generating a 10% increase in the number of vehicles produced per day.Application enhanced with a real-time dashboard, allowing consultation of results by factory, tracking KPIs, and quickly detecting anomalies (e.g., stockouts).Technologies used**Back-end & middleware**: Node.js (Nestjs, C++/Node.js bridge, V8, libuv, typescript), Python (fastapi), Java (Spring Boot)**Front-end**: Angular18+, React (Nextjs / Remix)**Messaging & data**: MongoDB, PostgreSQL, Kafka, RabbitMQ, Redis, SQLite**Orchestration & cloud**: Docker, Kubernetes, AWS, Azure**Protocol**: HTTP, MQTT, OPCUA, gRPC, IO-Link, WebSocket**Vision & AI**: GENICAM (industrial cameras), TensorFlow, CUDA, MCP**Versioning & CI/CD**: Git, TeamCity, Sonarqube**Other**: Wireshark, JMeter, Puppeteer, Playwright, Ffmpeg, Threejs, Unity
- OrysAICo-Founder | CTOCIVIL ENGINEERINGApril 2025 - Today (1 year and 2 months)Houston, United States
Co-Founder & CTO – Orys
Following various market signals in the construction and contractors sector (BTP, Electrical TakeOff) in the United States (Texas), we founded Orys with a team of 3 people (Houston).Our goal: to simplify and automate the electrical estimation process for projects of all sizes (small, medium, large), by leveraging artificial intelligence.Solution developed:From a PDF project format, our application:automatically detects electrical symbols and wiring on 2D plans,reads the schedule,proposes the best prices based on market product references (suppliers, labor, etc.),automatically generates a structured Excel file (with included formulas) to quickly calculate the project cost.Impact:Drastic reduction in estimation time.Increased competitiveness for contractors.Maximizing the chances of winning bids through accurate and rapid quotes.Role:CTO, marketing, solution architect, business developer, and software engineer. Due to a lack of resources at this stage, my role is not strictly defined: I therefore intervene on all subjects, both functional and technical.
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Education
- Master 2 (M2), Information SystemsIIM2020Master 2 (M2), Système d'Information
- AWS Certified Cloud Practitioner MongoDB Associate Developer Exam Solution Architect - L1 ( Capgemini Program ) LANGUAGESAWS Certified Cloud Practitioner MongoDB Associate Developer Exam Solution Architect - L1 ( Capgemini Program ) LANGUES