Freelancer profile translated to English.
Back to original languageAbout David
🚀 Tech Lead FullStack & Cloud Architect | 12+ years of expertise | Generative AI
After 9 years as CTO & Co-founder of a startup (Elocky), I design and manage complex technical projects from A to Z — with or without artificial intelligence.
➡️ What I do for my clients:
• Technical architecture & technology choices
• Team lead (recruitment, mentoring, code review)
• FullStack C# .NET / Angular Development
• Cloud migration & scalable infrastructure
• Audit & optimization of existing IS
• 🤖 AI Integration: intelligent agents, process automation, LLMs (OpenAI, Copilot, ...)
🛠 Main Stack: C# .NET Core | Angular 12+ | Azure/OVH | SQL/NoSQL | DevOps | Generative AI
💡 Why work with me?
I've already been through what you're going through: fundraising (3.5M€), technical growth (50,000 users), strategic choices with high impact. I don't just deliver code — I build sustainable solutions. And I accelerate all of this with AI when it's relevant.
📍 Available for missions: Tech Lead | Cloud Architect | CTO as a Service | AI Consulting
Daily rate starting from €640 depending on complexity and commitment.
Feel free to find all my information on my website.
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- VINCI SA
On Malt
Tech Lead & Full Stack Developer - C# .NET Backend - Angular FrontendSOFTWARE PUBLISHINGMay 2024 - Today (2 years and 2 months)Bordeaux, FranceFreelance Full Stack development missions for several web applications for VINCI Holding:🔹 Microsoft SQL Server database design🔹 Backend Development with C# .NET🔹 Frontend Development with Angular TypeScript🔹 Technical team management, coordination, and code reviewList of applications: (time & materials and fixed price)🔹 Web application for transcoding - (End 02/2025 - 7 months)🔹 Personnel review web application - HR department - (End 05/2025 - 1 year and 1 month)🔹 Web application for monthly information letters - for the COMEX - (End 08/2025 - 4 months)🔹 VINCI user ID generation web application - (End 09/2025 - 2 months)🔹 Compensation management web application - (Ongoing)🔹 Application Support Analyst (MCO) - (Ongoing)🔹 Various small missions on different applications already online - David BillièreSole Proprietor and Freelance ConsultantSOFTWARE PUBLISHINGNovember 2013 - Today (12 years and 9 months)Bordeaux, FranceDevelopment, deployment, and maintenance of various websites and applications for diverse clients. Several types of freelance missions: Webmaster / WEB Consultant / Fullstack Developer / Cloud Architect / CTO.Constantly monitoring technological advancements, I am capable of:☑️ Managing and leading an IT project (design / development / operation).☑️ Performing audits to optimize processes and improve an IS.☑️ Designing, developing, and maintaining websites and applications.☑️ Leading a technical team (recruitment / coordination / coaching).☑️ Designing and administering cloud servers and environments.☑️ Assembling, configuring, and troubleshooting computers and networks.☑️ Providing technical and strategic advice.☑️ Conducting R&D to design innovative IT products and understand their implications.I specialize in Full Stack Web development, with expertise in several programming languages (PHP/C#/Typescript/...) and extensive startup experience, having been co-founder and CTO of the startup Elocky for almost 9 years.My daily rates are:🔹 WEB Consultant Missions: ~ €560 / day🔹 Fullstack Developer Missions: ~ €640 / day🔹 Cloud Architect Missions: ~ €720 / day🔹 CTO Consultant Missions: ~ €800 / dayMy other services:🔶 Shared Hosting + IT Management: €40 / month🔶 VPS Hosting + IT Management: €120 / month🔶 Dedicated Server Hosting + IT Management: €240 / month🔶 Troubleshooting and Technical Support: between €40 and €80 / hourPrices also vary depending on the technologies and environments.Feel free to find all my information on my website.
- ElockyCTO and Co-founderINTERNET OF THINGS (IOT)April 2015 - December 2023 (8 years and 9 months)Bordeaux, FranceElocky is a startup founded in July 2015 with 3 other partners, whose main activity is the development of innovative access and security management solutions, wireless and with a web services platform.Elocky develops eVy, a connected lock that allows you to open your door with your smartphone, share access, securely. Supported by AEC (L'Auberge Numérique), Cap'tronic, Aquitaine Développement Innovation, and the Region.My mission was the development and management of the company's technical projects and its information system:☑️ Design of the connected lock and the company's products☑️ Design of a gateway for the lock under Node.js.☑️ Development of the Web platform under Symfony2 and AngularJS. (Front office, Back office, REST API, E-commerce)☑️ Development of the mobile application under Ionic.☑️ Design of the various databases (SQL, NoSQL).☑️ Server administration with Docker, Openstack.
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Education
- Programmer Analyst, Software Engineering Manager, Information Systems Manager, Computer ProgrammingCESI Engineering School2016Analyste programmeur, Responsable en ingénierie des logiciels, Manager des systèmes d'informations, Programmation informatique (BAC +5)
- High School Diploma, Digital Electronic System, Telecommunications and Networks Optionphiladelphe de gerde2011Baccalauréat, système éléctronique numérique option télécommunications et réseaux