Freelancer profile translated to English.

Description

Web Developer | Next.js | React.js | Typescript | AI Agents

Looking for adeveloperwho can deliver an application that generates **concrete results**, not just code?

What my clients have achieved:

→RTM**: Migration **Angular 4→20on critical infrastructure, 500+ displays: -40% load time, 0 vulnerabilities, zero service interruptions

→FDJ**: **Developmentandmaintenanceof an ERP managing **30,000+ points of sale**: high availability, automatic traffic redirection in case of failure

→Impremium**: **Next.jsshowcase site redesign + business process automation: Lighthouse >92, <2s load time, SEO optimization

→Subclic**: Modernization of a BTP app **Ruby/CoffeeScript→ **React/Redux**: technical debt reduced, user experience modernized

What I'm building in 2026:

High-performanceNext.js / Reactapplications andAI agentsthat automate what costs you time and money: content generation, data processing, support, reporting, time-consuming tasks...

You explain yourbusiness objective**, I build the adapted architecture and connect your app to the right **automation leversso it saves you **time and revenue**.

I work withVSEs**, **SMEs**, and **agencieson web development and AI automation.

Have aprojector anappto optimize? Describe your situation in3 lines**, I'll reply within the hour with a free initial **analysisof your needs, **no commitment**.

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Marseille (up to 50km), Aix-en-Provence (up to 50km), Marignane (up to 50km), La Ciotat (up to 50km), Toulon (up to 50km)

RTM
Full-Stack Developer Angular · C# · ASP.NET
TRANSPORTATION
March 2025 - December 2025 (9 months)
Marseille, France
Mission Objective

Modernize and secure 3 critical applications that monitor the bus/tram/metro/display network in Marseille in real-time: 500+ active displays, zero tolerance for service interruptions.

Achievements

→ Migration Angular 4→20 in 4 progressive phases: -40% load time, -35% bundle size, 0 vulnerabilities, zero service interruptions
→ 5h/week saved via PowerShell/SQL scripts for file conversion: 20 GB freed up in the DB and data purged
→ ASP.NET Core vulnerability audit and .NET 8 migration roadmap: documented and prioritized technical debt
→ 3 developers trained and made autonomous on Angular: continuity of the roadmap ensured without external dependency

Stack

Angular 20 · TypeScript · RxJS · ASP.NET Core · C# · EF Core · SQL Server · PowerShell
Angular 20 Angular Developer C# ASP.NET Core Typescript
FDJ (La Française des jeux)
Full-Stack Developer JavaScript
ENTERTAINMENT AND LEISURE
September 2023 - February 2025 (1 year and 5 months)
13127 Vitrolles, France
Mission Objective

Develop and maintain a business ERP managing 30,000+ points of sale: complete traceability of orders, incidents, and field equipment with high availability.

Achievements

→ Participation in JavaScript interface development
→ Integration of RESTful webservices with external business applications: real-time data synchronization between the ERP and third-party systems
→ Automatic traffic redirection in case of server failure via Bash script, PCI compliance (IT Contingency Plan)
→ Oracle 12c → PostgreSQL migration documented: significant license savings and identified performance gains
→ Infrastructure as Code on OpenStack with Terraform + Ansible: automated provisioning, ready for AWS migration

Stack

JavaScript . Java · Oracle 12c · PostgreSQL · Terraform · Ansible · OpenStack · Bash
JavaScript Bash PostgreSQL Terraform Ansible
Impremium
Front-End Developer JavaScript | Next.js
ARTS AND CRAFTS
September 2020 - September 2022 (2 years)
Marseille, France
Mission Objective

Develop and customize online printing e-commerce stores for professional clients, automate tasks, and redesign the showcase site.

Achievements

→ Integration and customization of e-commerce stores: front-end customization, product catalog configuration, and visual settings for each client
→ Automation of repetitive tasks via Power Automate Desktop (JavaScript scripts): automatic price entry and time-consuming manual processes eliminated
→ Complete redesign of the Impremium 13 showcase site in Next.js 12: Lighthouse >92/100, <2s load time

Stack

JavaScript · HTML · CSS · Next.js 12 · Power Automate Desktop · Vercel
SEO Next.js Automation E-commerce JavaScript

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EXPERT IN INFORMATION SYSTEMS AND COMPUTER SYSTEMS, MASTER'S DEGREE
3W Academy
2025
EXPERT EN SYSTEMES D'INFORMATION ET SYSTEMES INFORMATIQUES, BAC +5
EXPERT IN INFORMATION SYSTEMS AND COMPUTER SYSTEMS, MASTER'S DEGREE
Esimed
2023
EXPERT EN SYSTEMES D'INFORMATION ET SYSTEMES INFORMATIQUES, BAC +5

Check out Kaïs's education

Kaïs Boulakhlas

Next.js & AI Agents Developer | Automation

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