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I’m Maalej Abdelaziz, a passionate Full Stack Developer who loves building scalable web applications and leading cross-functional teams. I enjoy solving challenging problems in dynamic R&D environments and turning complex requirements into robust architectures. Over the years I’ve designed and delivered multi-tenant front-ends and backends using Angular, React, Node.js, NestJS, GraphQL, and modern tooling. I thrive in collaborative Agile settings, mentor junior developers, and deliver flexible solutions like BFFs and white-label systems while staying aligned with client needs.…I’m Maalej Abdelaziz, a passionate Full Stack Developer who loves building scalable web applications and leading cross-functional teams. I enjoy solving challenging problems in dynamic R&D environments and turning complex requirements into robust architectures. Over the years I’ve designed and delivered multi-tenant front-ends and backends using Angular, React, Node.js, NestJS, GraphQL, and modern tooling. I thrive in collaborative Agile settings, mentor junior developers, and deliver flexible solutions like BFFs and white-label systems while staying aligned with client needs.

Maalej Abdelaziz

Developer, App Developer, Web Developer, +4

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I’m Maalej Abdelaziz, a passionate Full Stack Developer who loves building scalable web applications and leading cross-functional teams. I enjoy solving challenging problems in dynamic R&D environments and turning complex requirements into robust architectures. Over the years I’ve designed and delivered multi-tenant front-ends and backends using Angular, React, Node.js, NestJS, GraphQL, and modern tooling. I thrive in collaborative Agile settings, mentor junior developers, and deliver flexible solutions like BFFs and white-label systems while staying aligned with client needs.…I’m Maalej Abdelaziz, a passionate Full Stack Developer who loves building scalable web applications and leading cross-functional teams. I enjoy solving challenging problems in dynamic R&D environments and turning complex requirements into robust architectures. Over the years I’ve designed and delivered multi-tenant front-ends and backends using Angular, React, Node.js, NestJS, GraphQL, and modern tooling. I thrive in collaborative Agile settings, mentor junior developers, and deliver flexible solutions like BFFs and white-label systems while staying aligned with client needs.

Available to hire

I’m Maalej Abdelaziz, a passionate Full Stack Developer who loves building scalable web applications and leading cross-functional teams. I enjoy solving challenging problems in dynamic R&D environments and turning complex requirements into robust architectures.

Over the years I’ve designed and delivered multi-tenant front-ends and backends using Angular, React, Node.js, NestJS, GraphQL, and modern tooling. I thrive in collaborative Agile settings, mentor junior developers, and deliver flexible solutions like BFFs and white-label systems while staying aligned with client needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

German

Intermediate

Work Experience

Full Stack Developer - Freelancer at MyUnisoft

June 1, 2025 - November 6, 2025

Designed and implemented the architecture to migrate an Angular 18 application to React 19, ensured alignment with other projects via Nx module federation. Built reusable frontend components, mentored juniors, delivered a white-label system for client customizations, and created a Backend for Frontend (BFF) to optimize tasks.

Full Stack Developer - Freelancer at Tessi

February 1, 2023 - May 31, 2025

Set up frontend/backend architecture for a BPMN-driven web app, established component-driven development with reusable Angular components, directives and Control Value Accessors, and started a micro-frontend architecture with Nx. Supervised junior developers.

Frontend Developer - Freelancer at Coinhouse

February 1, 2023 - February 1, 2023

Contributed to crypto-currencies banking web app design and development; implemented interactive UIs enabling recurring buys and helped initialize an AWS banking account system with Treezor.

FullStack Developer - Freelancer at SNCF

April 1, 2022 - April 1, 2022

Contributed to a web app for tracking SNCF agents’ achievements; built complex reusable components simulating Excel sheets; organized regular component reviews; implemented algorithms to parse and record file contents in PostgreSQL.

Full Stack Developer - Freelancer at ACCENTA

January 1, 2021 - January 1, 2021

Designed and developed a web app to monitor energy production/consumption in building heating/cooling systems (NestJS, React, Storybook, MySQL, TypeORM, MUI); implemented tree traversal algorithms for arithmetic calculations; maintained an existing PHP simulation app.

Full Stack Lead Developer - Freelancer at Matchbox

January 1, 2020 - January 1, 2020

Established a modular architecture for multiple repositories (multi-tenant Storybook); implemented geolocation components for a Swiss watchmaker and supervised junior developers.

Full Stack Lead Developer - Freelancer at Quinten

April 1, 2019 - April 1, 2019

Set up reusable frontend components for multiple projects, bridged old and new web technologies, designed frontend/backend architecture for a CSV validation pipeline, and built an offshore team for a banking monitoring application.

Dataviz & Front End Lead Developer at Renault Digital

January 1, 2018 - January 1, 2018

Developed new features, introduced a code test policy, built scalable reusable components, and ensured application stability.

Front-End & DataViz Developer at Talend

June 1, 2017 - June 1, 2017

Built accessible, reusable components; contributed to Talend open source projects in React; collaborated with backend and UX teams; led component reviews with developers.

Native Javascript Developer at Canal+

May 1, 2015 - May 1, 2015

Developed and tested embedded web app for Set-top box; built the frontend for an internal web app to automate functional tests; worked with Backbone, Promises, Streams, and real-time testing tools.

Front-End & DataViz Developer at IntelliSense.IO

April 1, 2014 - April 1, 2014

Contributed to Brains.app IoT platform; used Underscore, Backbone, D3, Highcharts, Google Maps; Node.js (CoffeeScript) on server; Grunt and Require.js for task automation.

R&D Engineer at LIRMM, University of Montpellier

January 1, 2013 - January 1, 2013

Designed and implemented a web app for interactive visualization of astrophysical data; used D3, jQuery/Underscore; Java (GWT) on server; conducted user meetings and training sessions.