Louis Delannoy

Fullstack & Data Developer – impact, product, and performance oriented

You are looking for a profile capable of developing a web application from end to end while mastering the data processing chain? I will support you in the design and evolution of your tech products with a global approach, combining fullstack development, data management, and product culture.

With nearly 4 years of experience, I have worked on complex projects combining React, Next.js, Node.js, TypeScript, Vue.js, Nuxt, Java Spring, as well as significant exposure to infrastructure (AWS, Docker, PGSQL). My profile is also data-driven: I manage data retrieval, ingestion, enrichment, and storage – whether through API synchronization, transformation, or exploitation for display or business decisions.

What I bring to you:

Clean, modular, tested, and maintainable code (front & back)

Data mastery: API pull/push, ingestion pipelines, enrichment, optimized storage

Ability to translate business needs into effective technical solutions

Good knowledge of cloud architectures, CI/CD, and scalable environments

A product mindset, oriented towards users, experience, and business

🚀 Types of projects supported:

SaaS platforms with a strong data component

Scalable web and mobile applications

Internal tools, dashboards, back-office with advanced business logic

Integration and exploitation of external data

Optimization of data flows and application performance

Technical supervision and support for development teams

💬 Available for freelance missions, product collaborations, or longer projects. Remote or on-site, I adapt to your organization.