Freelancer profile translated to English.
Back to original languageAbout Fabrice
Hello, I'm Fabrice, a fullstack developer with over 5 years of experience in designing and deploying performant, robust, and elegant web applications.
I support startups, scale-ups, and large companies throughout the entire product lifecycle: from technical scoping to deployment, including architecture, development, and optimization. My goal is simple: deliver clean, maintainable code that truly solves a business problem.
What I do best:
Modern frontend development with React.js and TypeScript (Next.js, design systems, performance, accessibility)
Scalable backend with Node.js (Express, NestJS, REST & GraphQL APIs)
PostgreSQL database modeling and optimization (complex queries, indexing, migrations)
Firebase integrations (Auth, Firestore, Cloud Functions, Realtime)
Cloud architecture, CI/CD, automated testing, code review
My approach:
I work collaboratively, with clear and regular communication. I quickly integrate into existing teams (Agile/Scrum methodologies) and I don't hesitate to challenge technical choices when they bring value. I am equally comfortable working autonomously on greenfield projects or reinforcing existing codebases.
Some examples of projects:
Refactoring of SaaS applications (front + back architecture)
Development of MVPs for early-stage startups
Optimization of performance and technical debt
Implementation of automated testing and deployment environments
Available for projects:
Remote (based in Paris) or on-site (Île-de-France)
Starting from 2-3 days/week, short or long-term projects
Daily rate: €550/day (adjustable based on context)
Feel free to contact me to discuss your project: I respond quickly and always offer a free initial call to understand your needs.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- FLEXXSoftware Engineer - CTOSPORTSJanuary 2026 - Today (6 months)Paris, FranceManaged and continuously improved the Shopify storefront, including front end theme customization to strengthen brand consistency and conversion. Integrated third-party applications to extend platform capabilities. Optimized performance across the buying experience and automated key operational processes to reduce manual workload and improve reliability.Led a small technical team, coordinating priorities, reviewing work, and ensuring delivery aligned with the business roadmap.
- TuzzoSoftware Engineer - CTOE-COMMERCEAugust 2023 - January 2026 (2 years and 5 months)Paris, FranceWe launched Tuzzo, a mobile application enabling beauty influencers on Instagram and TikTok to monetize their content.As CTODesigned a modular backend architecture on Nest.js, connected to Supabase and PostgreSQL, with business logic split into microservices covering user management, payments, analytics, and reporting.Built web and mobile interfaces using Next.js, Flutter, and FlutterFlow, delivering a consistent experience across all platforms.Developed internal tooling and data processing scripts in Python, and built performance-critical system components in Rust.Integrated third-party services for payments, social authentication, and AI-based tracking, and automated key workflows via n8n including emails, data synchronization, and notifications.Integrated the OpenAI API to build Zoé by Tuzzo, an AI assistant that analyzes a selfie to produce a skin diagnostic and recommend suitable beauty products.Deployed and supervised infrastructure on Google Cloud Platform, handling monitoring, access management, and cost optimization.Modeled and optimized PostgreSQL and Firebase for performance, including query tuning, indexing, and scalability.Designed user flows and wireframes in Figma in close collaboration with the design and marketing teams.
- CapgeminiSoftware and Data Engineer - IT Application ConsultantDIGITAL AND ITSeptember 2021 - August 2023 (1 year and 11 months)Rennes, FranceIdentified stakeholders and facilitated scoping workshops. Analyzed business requirements, prioritized deliverables, and planned execution. Structured the end-to-end data ingestion process.Proposed solutions tailored to the specific needs of each business unit.Coordinated between technical and functional teams to ensure timely data availability.
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Education
- Master, Applied Computer Science for Business ManagementUniversité de Rennes 12021Méthodes Informatiques Appliquées à la Gestion d'Entreprise
- Bachelor's Degree, Applied Computer Science for Business ManagementUniversité de Rennes 12019Licence, Méthodes Informatiques Appliquées à la Gestion d'Entreprise