Walid Mostefaoui
Développeur NextJS / React / NodeJS
Salaire / Taux journalier
Paris, France
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
Senior fullstack engineer, 7+ years building scalable web apps and serverless architectures: NestJS/Node, Next.js/React, React Native, AWS (Lambda, DynamoDB). Former IT project manager and business analyst, so I weigh the business stakes, not just the code, a rare mix on technical projects. Recent work includes iOS apps deployed in Hermès boutiques worldwide and serverless API development for enterprise clients.
Expérience de travail
Fullstack Developer & Mobile Lead
Igocreate (client final Hermès)Freelance
oct. 2025 - avr. 2026
7 mois
Paris, France
Initiated and led the adoption of React Native (Expo) for 2 iOS apps deployed in Hermès boutiques worldwide, integrating the iOS 26 Liquid Glass design system. Designed an API-First architecture (Node.js / Express) with secure authentication, role management and real-time sync, following Clean Architecture principles. QR code printing app: scalable backend, real-time queues. Boutique app: appointments and VIP scheduling. Stack: Node.js, Express, React Native (Expo), React, Cypress, Playwright.
Software Engineer
Allianz TechnologyFreelance
janv. 2024 - juil. 2025
1 an 7 mois
Paris, France
Overhaul and migration of JS projects to TypeScript, serving as the expert on TypeScript and DynamoDB. Implementation and optimization of serverless APIs on AWS (Lambda, DynamoDB, CloudWatch). Advanced management of user permissions within the User Management team. Technical stack: AWS (Lambda, DynamoDB, CloudWatch), NodeJS, TypeScript.
Fullstack Software Engineer
Igocreate
févr. 2022 - déc. 2023
1 an 11 mois
Paris, France
Developed a CRM back office for the client Certigo. Implemented a client module for trainees, instructors, and CRM-type products with an available training calendar on web and mobile apps. Technical Stack: Node JS, Ansible. Rewrote the internal Igowall project under SvelteKit.
Software Engineer, Full Stack
Product Huntzz
sept. 2020 - déc. 2021
1 an 4 mois
Greater Paris Metropolitan Region · Remote
Designed mockups on Figma. Created a RestAPI with NestJS. Technical Stack : NestJS, NextJS, Turborepo, MongoDB, GitlabCI.
Crédit Agricole CIB
sept. 2017 - août 2020
3 ans
92120 Montrouge, France
IT Business Analyst - Project KYC
juin 2018 - août 2020
2 ans 3 mois
92120 Montrouge, France
Study for the implementation of a KYC system, in 4 independent project, across all Crédit Agricole Entities (37 entities + 38 Caisses Crédit Agricole), with a project duration of 5 years total. In charge of the web platform used as the entry point of the entire project. Use of the Agile Scrum project management methodology between the IT Team and the developer.
IT Business Analyst - Legal IT
sept. 2017 - juil. 2018
11 mois
92120 Montrouge, France
Maintenance and application support for the Legal team of the Investment Bank CACIB. Set up of a watch on new technologies, and sensibilisation campaign to the business. Benchmark and set up of a DMS to the Legal team.
Junior Software Engineer
Louison et Moi
janv. 2017 - mars 2017
3 mois
Région de Aulnay-Sous-Bois, France
A two month Internship for my second year of technical degree, in a two persons team, where we made a website from scratch, as a prototype for a startup. The website used the PHP framework Laravel, and where we implemented useful functionalities (Agenda, Admin panel, user connexion, appointment planning...)
Junior Software Engineer
SIPCOM FRANCE
mai 2016 - juil. 2016
3 mois
First Internship as a fullstack developer. Taking the lead on the website development of the company. Adding new functionalities in HTML / JS / ASP Classic.
Formation
ESGI
Master Management et Conseil en Systemes d'Informations
2017 - 2020
3 ans 1 mois
Lycée Voillaume
BTS SIO option SLAM
2015 - 2017
2 ans 1 mois
Albert Schweitzer
Mathematiques Physiques et Sciences de l'Ingenieur
2013 - 2014
1 an 1 mois