Freelancer profile translated to English.
Back to original languageAbout Nicolas
Fullstack Developer | Next.js | Nest.js | TypeScript ✨
Is yourSaaSapplication hitting technical limits? Does your team need reinforcements for critical features or a project to architect from scratch?
I step in to design, develop, and deploy robust web applications with a modern stack: **Next.js**, **Nest.js**, **TypeScript**, **Prisma**, and **TypeORM**.
With 7 years of experience in startups and **scale**-ups, I've worked with:
This diversity allows me to quickly adapt to your working methods, understand your business challenges, and deliver concrete solutions.
Typical projects:
- Cross-platformSaaSapplications
- Deployment and Development of AI Systems (Voice & Text AI Agents)
- Fleet management systems and business dashboards
- Complex API integrations (payment, CRM, business tools)
- Technical refactoring and legacy stack migration
- Scalable back-end architecture (Nest.js**, **PostgreSQL**, **TypeORM**, **Prisma)
My approach: deliver a professional, tested, documented, and scalable product. No technical debt, no endless bug fixes.
Tech stack: Next.js, Nest.js, Node.js, TypeScript, Prisma, TypeORM, PostgreSQL, MongoDB, Tailwind CSS, Shadcn, Stripe...
Launching aSaaSproject or looking to strengthen your tech team with areliableandautonomousfullstack developer?
Contact me (response within 1 hour) to discuss your project and see how I can support you fromMVPto production.
French
Native or bilingual
English
Native or bilingual
Spanish
Fluent
Can work on-site
Paris (up to 50km)
Experience
- LimovaFullstack Development & Integrations — Limova, AI agent platform for businessesTELECOMMUNICATIONSJanuary 2026 - March 2026 (2 months)Paris, FranceFullstack development and integration lead on the Limova platform, a B2B solution for autonomous AI agents (chatbots, inbound/outbound phone agents) deployed across multiple channels: web interface, WhatsApp, and embedded widgets on client sites.Key achievements:
- Architecture and development of integrations for over 40 third-party applications via Pipedream (Google Calendar, Gmail, Outlook, CRM, etc.) for AI agents.
- Deployment of integrations across all channels: web chatbot, WhatsApp, embedded widgets, and phone agents (inbound & outbound calls via Tom and Elio agents).
- Contribution to the overall platform development: new features, ticket resolution, bug fixing, and continuous product improvement.
- Collaboration within the technical team on the product roadmap and prioritization of evolutions.
Stack: React, Next.js, NestJS, Node.js, TypeScript, Prisma, PostgreSQL, Pipedream - BeevFullstack Developer — Charging Station Installer Management ApplicationAUTOMOBILEJuly 2025 - January 2026 (6 months)Paris 13 Gobelins, FranceDesign and development from scratch of a business application to replace an existing Airtable-based system. The goal: structure and ensure the reliability of the onboarding process for electric vehicle charging station installers, as well as the complete tracking of installation projects.Key achievements:
- Architecture and development of a fullstack application (Next.js, NestJS, Prisma, PostgreSQL).
- Design of a custom installer onboarding workflow, including a pre-certification test site phase.
- Development of the work tracking module: assignment, progress, communication between the end client and the installer via the Beev platform.
- Strategy and implementation of progressive data migration from Airtable to PostgreSQL, with controlled deprecation of Airtable (historical data preserved).
- Integration within a technical team of 10 people.
Stack: React, Next.js, NestJS, Node.js, TypeScript, Prisma, PostgreSQLDuration: 4 months - TimetoBarTechnical Lead & Fullstack Development — Bar and Restaurant Booking PlatformRESTAURANTS AND FOOD SERVICEJune 2025 - January 2026 (7 months)Paris, FranceComplete overhaul as the sole developer of TimeToBar, the leading platform for table reservations, private event bookings, and event organization in Paris's top bars and restaurants. Full project responsibility: architecture, development, design, and data migration.Key achievements:
- Design of the complete technical architecture (back-end, database, front-end) for the new platform.
- Fullstack development of the entire platform: advanced search engine, reservation system, manager portal for establishments.
- UI/UX design for the new version.
- Complete data migration from the old platform to the new PostgreSQL architecture.
- Implementation of establishment listings, event management, and quote/confirmation system.
Stack: React, Next.js, TypeScript, Prisma, PostgreSQL
Reviews
Nils
Ramify
Reviewed on 3/19/2025
Nicolas is very efficient! He quickly got up to speed on our tech stack and delivered a project that met our expectations in a short amount of time.
Nicolas has chosen to hide 1 review
Recommendations
GW
+1
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Education
- Certificate of completion422019Language C et Javascript, travaux divers et variés.
- Web and Mobile Web Developer DiplomaLa Capsule2020Approfondissement de connaissance de React Js et React Native
Certifications
- 42 School42 School2019
- Web and Mobile Web Developer DiplomaLa Capsule2019