Freelancer profile translated to English.
Back to original languageAbout Quentin
👋 Hello,
I am an Engineer and CTO / Full Stack Development Lead specializing in AI (React.js, Node.js, SaaS & Cloud architectures). I support startups and innovative companies in the design, development, and deployment of web and AI solutions.
🔹 AI & SaaS Development: integration of artificial intelligence models into web and mobile applications (chatbots, automations, data analysis, decision-making).
🔹 PWA Expert (Progressive Web App): creation of high-performance applications installable on mobile (Android & iOS), with the possibility of publishing on the Play Store via TWA.
🔹 Architecture & Scalability: microservices, Domain-Driven Design (DDD), hexagonal architecture, robust and secure APIs.
🔹 User Experience & Data: implementation of data pipelines (import/export, Google Sheets, databases) for training, exploiting, and integrating AI models.
🔹 Cloud & Deployment: Microsoft Azure, AWS, CI/CD, automated testing, and monitoring of AI solutions.
I have already assisted several AI and SaaS startups in creating web, mobile platforms, and data-driven tools, from prototype to production and scaling.
🚀 My goal: transform your ideas into high-performing, scalable, and user-centric AI products.
Key Skills (AI & Dev):
• Applied AI for web and SaaS
• PWA (Progressive Web App) & TWA
• React.js / Next.js
• Node.js / Nest.js
• Javascript (JS) & Typescript (TS)
• UX (User Experience)
• MongoDB, MySQL, PostgreSQL
• Microsoft Azure, AWS
• Microservices, DDD, Hexagonal Architecture
📩 Feel free to contact me for your AI, SaaS, and Full Stack Web projects!
English
Fluent
French
Native or bilingual
Can work on-site
Lille (up to 50km)
Experience
- SNCF CONNECT LILLESenior Full Stack DeveloperTRANSPORTATIONSeptember 2023 - Today (2 years and 9 months)Lille, France
- Development of NextJS related to a Headless CMS Drupal
- Development of a back office in React & Java
- Deployment pipeline / continuous integration (CI/CD)
- Ask for the moonCTOSOFTWARE PUBLISHINGSeptember 2018 - January 2023 (4 years and 4 months)Paris, FranceCTO / Lead Developer – Artificial Intelligence Startup• Design and implementation of scalable microservices-oriented architectures for AI applications.• Development of SaaS tools and platforms integrating artificial intelligence models in production.• Implementation of automated integration tests to ensure the reliability of AI pipelines and services.• Development of user applications in PWA (React.js) and integration in TWA on the Android Play Store.• Management of secure authentication via OAuth 2.0 for systems handling sensitive AI data.• Design of data manipulation tools (Google Sheets import/export) for training and exploiting AI models.• Application of hexagonal architecture and Domain-Driven Design (DDD) principles to structure AI services.• Production deployment and scaling on Microsoft Azure, including management of cloud services related to model deployment.• IT recruitment and management, building a technical team specialized in AI and data.• Agile project management, steering the AI product roadmap in conjunction with business and data science teams.
- Leads in the boxFull Stack Javascript DeveloperSOFTWARE PUBLISHINGApril 2023 - September 2023 (5 months)Lille, FranceDesign of a SaaS tool for automated LinkedIn prospecting from A to Z.- Research and study of technical solutions- Technical architecture of the project- "Retro engineering"- Creation of a showcase website- Creation of a Google Chrome extension (action automation, real-time communication)- Front-end development- Back-end development- Design of an action scheduling system- Continuous improvement in close collaboration with users
Reviews
B
Bertrand
LAB MANAGER
Reviewed on 12/20/2023
A mission done quickly and well!
Quentin quickly understood the functional objectives of the mission, and communication was always easy and very clear.
Mission completed on time and with results fully meeting our expectations; Quentin was even able to integrate some requests that were not initially planned.
Thank you Quentin and see you soon for another mission!
Irene
Irene Collignon Storelli
Reviewed on 1/8/2021
Quentin developed a PWA from scratch for Ma Baby Checklist. The communication was very clear and Quentin demonstrated great transparency, which was very reassuring. Quentin was very involved throughout the project, and it was a real pleasure to work with him.
Recommendations
FU
FU
+1
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Education
- Engineer - Web and Software DevelopmentISEN2018