Freelancer profile translated to English.
Back to original languageAbout Alexandre
Hello 👋🏼
I am Alexandre, available as a backend developer (NestJS, Java Spring Boot) as well as frontend (Angular, React.js, Vue.js) or GenAI solution integrator (Python, Langchain). I support startups and SMEs in web application development, MVP creation, or business tool redesign.
💡 What I offer
- Front-End Development:Modern interfaces with Angular, React.js, or Vue.js
- Robust & Scalable Back-End:High-performance APIs with NestJS, AdonisJs, Spring Boot, or Node.js
- MVP Creation:Support from idea to deployment
- Redesign & Technical Takeover:Migration, restructuring, continuous improvement
- AI Integration:Chatbot creation, Data Extraction, LLM, LangChain, structured output
- Tech Consulting:Architecture, stack choices, best practices
- Optimization:Optimized code to improve performance and consumption
🛠️ Stack & Tools
- Languages / Frameworks:TypeScript, Angular, React, Vue.Js, NestJS, Java, Spring Boot
- Databases:PostgreSQL, MongoDB
- DevOps Tools:Git, Docker
- Design & UI:Figma, TailwindCSS, SCSS
- AI / R&D:Python, Langchain, LangGraph
🔁 Methodology
- Quick understanding of needs
- Pragmatic and results-oriented approach
- Fluid and autonomous communication
- Work in an agile / collaborative environment
🎯 Why work with me?
- +3 years of experience (Capgemini, startups, personal projects)
- Frontend / backend versatility
- Product-oriented thinking & code quality
- Available for remote or hybrid missions
📩 A project to launch or an app to evolve? Let's talk about it!
Quick response on Malt 🚀
French
Native or bilingual
English
Fluent
German
Conversational
Can work on-site
Saint-Étienne (up to 50km), Lyon (up to 50km), Roanne (up to 50km), Montbrison (up to 50km)
Experience
- PomodolabFullstack DeveloperTECHNovember 2025 - Today (9 months)Saint-Étienne, FranceDevelopment of a collaborative coworking SaaS platform based on the Pomodoro method, focused on creators, streamers, and remote teams.
- UX/UI design on Figma
- Front-end development in React.js (landing page + application)
- Backend in NestJS + Prisma with user, session, and task management
- Implementation of OAuth authentication via Twitch
- Setup of WebSockets for real-time synchronization of the timer and tasks
- Development of OBS overlays for streaming
- Creation of a Stream Deck plugin in TypeScript
- Development of a Twitch bot in Python
- Containerization and deployment with Docker
- KyguoFull Stack DeveloperHOSPITALITYApril 2024 - Today (2 years and 4 months)Angers, FranceDevelopment of a hotel management platform:
- Design of the mockup on Figma
- Front-end development in Angular (interfaces, user flows, dashboard) with Angular 17 → 19 migration
- Back-end development in Spring Boot with JHipster
- Direct collaboration with the client to ensure the evolution of the solution
- CapgeminiDCX DeveloperDIGITAL AND ITSeptember 2022 - September 2025 (3 years)Nantes, France
- Development of a mail platform for the Ministry of Defense (1 year - ReactJs + Symfony)
- Development of a bench booking platform for open-space (4 months - NuxtJs + Express)
- Development of an AI Chatbot (7 months - ReactJs + NestJs + Python + Langchain)
- Creation of a White Paper on GIS through testing (3 months - Python + Locust + geoserver)
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Education
- Engineering degree, Computer Science and ElectronicsEseo2025Diplôme d'ingénieur, Informatique et electronique
- BTS in Digital Systems, IT and NetworksSaint Gab'2022BTS systèmes numériques, informatique et réseau
Certifications
- Certificate deep learning from A to ZUdemy2024