Freelancer profile translated to English.
Back to original languageAbout Daniel
Software Engineer & Fullstack Expert (Vue.js / Node.js). Specialist in SaaS application redesign.
I combine the rigor of low-level architecture (from my background in C++ and game engines) with the power of the modern web ecosystem (Vue.js / Node.js).
Specializing inrobust web architecturesand **technical redesigns**, I deliver features, design performant, tested, and maintainable applications for the long term.
🚀 My Core Expertise: Modernization & SaaS
Through my experience, I played a key role in modernizing a critical SaaS application (resource management), byleading the migration of strategic modulesfrom legacy technology to a modern stack:
🧠 My "X-Factor": Engineering Rigor
My background in video game engine development (C++, Unreal Engine) has given me a culture of optimization (memory, real-time) andDesign Patternsthat I apply to my web projects today. I am the ideal bridge between complex technical needs and a fluid user interface.
🎯 What I can bring you:
Available for development, architecture, or technical redesign missions.
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 50km), Bordeaux (up to 50km)
Experience
- BestConsultantAccelerating Technical Migration & Fullstack Development (Vue.js/Node.js)CONSULTING AND AUDITSOctober 2024 - May 2025 (7 months)Bordeaux, FranceI was assigned as a senior developer toaccelerate the final phase of the technical redesignof my client's SaaS application. Reinforcing the existing team, I brought my expertise to rapidly develop key features and ensure delivery quality.Deliverables & Achievements:*Development and delivery of complex featuresand components in **Vue 3 (TypeScript)**, helping to meet the migration project deadlines.*Optimization of the backend architecture (Node.js/Express)and data models (MongoDB), improving the performance of critical requests.*Implementation and execution of E2E tests (Cypress)to validate user journeys and ensure application stability.*Active contribution to code qualitythrough constructive code reviews with the Lead Developer.
- BestConsultantFull Stack DeveloperSOFTWARE PUBLISHINGOctober 2021 - September 2023 (1 year and 11 months)Bordeaux, FranceThis two-year experience, at the heart of developing a SaaS product, was crucial in building the foundation of my technical expertise in an agile environment.Key Skills and Achievements:*Microservices Architecture:Design and maintenance of REST APIs (Node.js) for innovative features.*Third-Party API Integration:Integration of complex services like Microsoft Teams and AWS (S3).*NoSQL Data Management:Modeling and optimization of large-scale MongoDB databases.*Client Interface:Direct participation in client meetings for requirements gathering and priority adjustment, ensuring product-market alignment.
- Previmeteo SASBack-end Web DeveloperENVIRONMENTALMarch 2021 - July 2021 (4 months)Bordeaux, Nouvelle-Aquitaine, FranceI had full responsibility for the Research & Development and end-to-end implementation of a new innovative weather analysis and notification service. I designed and developed all features, from proof of concept to final integration.*Design and Development from Scratch of the Image Analysis API (Python, Flask):I led the R&D to create a service capable of automatically analyzing weather maps, extracting strategic data, and exposing it via a REST API.*Implementation of an Event-Driven Notification Architecture:I designed the system for distributing analysis results across multiple channels using the AWS ecosystem (S3 for storage, SES for emails, SNS for SMS).*Creation of an Exposure Microservice (Node.js, Express):To integrate this new service into the existing platform, I developed a Node.js API serving as a gateway for client applications.*Development of Web Scraping Tools (Puppeteer):I also created the necessary automation scripts to collect raw data upstream of the analysis process.
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Education
- RNCP Title EXPERT in Information Technology and Information SystemsBordeaux Ynov Campus2023Spécialisation en Architecture Logicielle et Développement C++ J'ai suivi un cursus Mastère exigeant, axé sur la maîtrise des fondations de l'ingénierie logicielle à travers des projets complexes. L'objectif était de développer une expertise profonde en performance, en architecture et en résolution de problèmes. Compétences et projets clés : - Architecture Logicielle & Design Patterns : Conception et développement d'applications robustes en C++ et C#, en appliquant des patterns de conception avancés (MVC, Observer, Singleton, etc.). - Optimisation et Performance : Expérience acquise sur des projets temps réel (moteurs de jeu 2D/3D, Unreal Engine) où la gestion de la mémoire et l'optimisation sont critiques. - Développement Fullstack : Application de cette rigueur technique à des projets web, notamment la création d'applications mobiles avec React et l'utilisation de microservices avec Docker. - Gestion de Projet Agile : Apprentissage et application des méthodes de travail en équipe et des outils de gestion de projets modernes.
- BTS in IT Services for OrganizationsENC Bessières2017