01
Full stack
TypeScript, React and Next.js on the front, Node.js, Python and SQL behind. REST APIs, data models, authentication and the deployment that goes with them.
Nantua · France
Senior full stack engineer. I build web apps, AI agents and WordPress products in TypeScript, React, Next.js and Node.js.
NICOLAS LECOCQ
I've been building for the web since 2010, from client websites to SaaS products and AI agents that run in production every day. I care about clean code and fast pages, and I ship what people use.
Building for the web since 2010
I started building websites in 2010 and never stopped. Today I write TypeScript on both sides of the API, I build AI agents that plan, call tools and recover when a step fails, and I still know WordPress inside out, from custom themes to Gutenberg blocks. I like owning a feature from the first conversation to production, and I review every line an AI tool writes before it ships.
Expertise
02
AI agents
LLM features in production with the Claude and OpenAI APIs, RAG over real documentation, and agents with tool calling, retries and a human approving every sensitive action.
03
WordPress
Custom themes and plugins, Gutenberg blocks in React, WooCommerce and headless setups. I was lead developer of OceanWP, a free theme that reached around 500,000 installations.
04
Quality
Fast pages and solid Core Web Vitals, technical SEO, accessibility and security on every route. A shipped feature still needs monitoring and care.
04 Stack
Tools of the trade
The languages and tools I use every day, from the database to the browser and the agents in between.
TypeScript React Next.js Node.js Python PHP PostgreSQL WordPress Tailwind Claude API OpenAI API Docker Cloudflare Vercel Figma TypeScript React Next.js Node.js Python PHP PostgreSQL WordPress Tailwind Claude API OpenAI API Docker Cloudflare Vercel Figma
I pick the tool that serves the product, whether that means TypeScript, Python, PHP or WordPress.
05 Client work
Selected projects
A selection of websites and interfaces I designed and built for clients.
01 Dynastie Hammam - Figma UI/UX Design
Full Figma design for Dynastie, a Moroccan hammam, built around easy navigation, a modern look and rich visual storytelling. The design gives a clear structure for development and a memorable brand experience for clients.
03 IBS - Custom WordPress Site
IBS website built on a custom WordPress theme, deeply optimised for speed, responsiveness and SEO. A clean design for fluid navigation and a stronger user experience. The result is a professional, efficient and scalable platform tailored to the client's business operations.
02 LPL University - Complete Website Refonte
Figma prototype and full website build for LPL, a medical university, anchored by intuitive navigation, a clear content hierarchy and professional aesthetics. The result is an engaging, accessible experience for students and faculty and a solid blueprint for future iterations.
04 Lecocq Renovation - Corporate UI/UX
Corporate Figma design for Lecocq Renovation, built around a professional, clean and cohesive visual identity. The design prioritises usability and brand consistency, and lays a clear foundation for future web or marketing applications.
06 Products
Things I've built
Products I designed, coded and run in production, from AI agents to WordPress plugins.
LinkedGrow
AI agents that find leads on LinkedIn. Next.js, TypeScript, a RAG support chatbot and a background worker for the long tasks.
Amabrik
Free security and AI visibility scans for any website, with a fix prompt for every issue, plus ten widgets in one script.
WTFisAI
A static blog about AI and agents, written and published every day by an AI pipeline I built.
DigiHold
The home of my WordPress products, with downloads, docs and licences.
DigiCommerce
WordPress plugin for selling digital products, with Stripe and PayPal payments.
DigiFlash
A fast block theme for the WordPress Site Editor, with patterns and style variations.
DigiBlocks
A library of custom Gutenberg blocks written in React.
DigiConsent
Cookie consent banner for WordPress, GDPR, CCPA and LGPD ready.
DigiFusion
A lightweight WordPress theme tuned for Core Web Vitals.
07 Testimonials
What clients say
A few words from clients I've worked with.
LPL University website
I engaged Nicolas to develop our LPL university website under a very tight deadline, and he delivered flawlessly. He created a fully functional, user-friendly, and visually appealing site that met all our requirements. I would gladly work with him again and highly recommend his services.
AI SaaS optimization
Nicolas is smart, efficient, and fully committed to the project's goals. I had vibe-coded a plugin full of bugs and Nicolas fixed everything. I loved working with him: if you need an expert, look no further. He understood the project and resolved the issue faster than expected. I highly recommend him.
Website creation & optimization
I cannot recommend Nicolas highly enough. He created an absolutely stunning website that is not only impressive but also flawless. The site is perfectly optimized and loads in under a second. If you want the perfect combination of creativity and lightning-fast performance, he is the one to trust.
08 Process
01 / 05 01 02 03 04 05
Understand
I start from the problem behind the request, then write a short plan with success criteria we can check.
Build
Small increments, typed from end to end and reviewed before they merge, including every line an AI tool suggests.
Test
Tests where they matter, accessibility and performance checks, and a look at the real page on a real phone.
Ship
Deploys through CI, with logs and alerts in place so a failure never goes unnoticed.
Document
Decisions written down, so the next person doesn't have to guess.
09 Contact
Let's build something together
Tell me about your team and what you're building, and I'll get back to you quickly.
Get in touch