The author
Nadir AMMI SAID
Software Engineer based in Lyon, France.
Software Engineer and Full-Stack Developer focused on backend development with Node.js, Express and Java Spring Boot, frontend applications with React, and relational databases such as MySQL.
I work as a Software Engineer at Worldline Group and run NaDev Solutions, where I provide web development and technical consulting for individuals and businesses, from building performant applications to improving existing codebases, fixing bugs and adding new features.
Bilingual French/English, comfortable in technical or international environments, both in writing and speaking.
With my background in account management in healthcare and finance, I bring analytical thinking and rigor to build performant and well-structured applications.
Articles by Nadir AMMI SAID
Technical SEO
Technical SEO for Next.js: the foundations I apply to every site
SEO starts with a sound information architecture. Here is the baseline I use before thinking about keywords.
Technical SEO
Next.js SEO checklist for portfolio websites
A portfolio can rank better when its structure speaks clearly to both users and crawlers.
Troubleshooting
How I fix Next.js build and performance issues in real projects
The best fixes usually come from isolating one bottleneck and proving the improvement against a measurable baseline.
DevOps & infrastructure
Docker local setup that matches production more closely
The goal is not to copy production exactly. It is to remove drift and keep the same assumptions in both places.
Web development
Building React components that remain easy to change
Good React architecture is less about clever abstractions and more about keeping change local.
AI & automation
Practical AI automation for developers
Automation works best when it handles repeatable context gathering and leaves decisions reviewable by a human.
Troubleshooting
Debugging production issues methodically
The fastest debugging session is the one that turns a vague symptom into a testable hypothesis.
Project case studies
Case study: building Jeelwork with Next.js and SEO in mind
Jeelwork was an opportunity to connect clear content, a focused interface and static generation.