Hi, I'm

DIA Mamadou

Software Architect & Full-Stack Developer.

I build scalable, reliable, secure, and high-performance web applications that deliver measurable impact. I have over five years of experience in full-stack development, with expertise in Java/Spring, React, Node.js, and data layer technologies.

Professional Journey

Fullstack Developer

RATPgroup • Paris
Jan 2024 - Present
  • Designed REST APIs and Kafka integration for transit systems
  • Led technical decisions on application architecture
  • Mentored junior developers in code reviews
  • Implemented binary data decoding for legacy systems

Fullstack Developer

Nucleotides • Paris
Sep 2022 - Jan 2024
  • Built healthcare applications with Java/Angular stack
  • Implemented reactive programming with RXJS
  • Optimized application performance by 40%

Fullstack Developer

BioCurae • Paris
Sep 2020 - Sep 2022
  • Developed biotech research tools with Meteor/React
  • Led emergency server migration preserving all data
  • Established CI/CD pipelines with Docker

Fullstack Developer

Aryllo • Île-de-France
Sep 2020 - Sep 2022
  • Built classified ads platform with React/Node.js
  • Developed cross-platform mobile app with React Native
  • Implemented real-time notifications system

Mobile Developer

Kisal • Île-de-France
May 2020 - Jul 2020
  • Developed React Native application from scratch
  • Integrated with Node.js backend services
  • Optimized app performance for low-end devices

Fullstack Developer

Social Affairs Ministry • Mauritania
Mar 2020 - May 2020
  • Built web and mobile apps for social services
  • Implemented secure data handling for sensitive information
  • Ensured accessibility compliance

Web Developer

Formation Occitane • Montpellier
Jun 2019 - Aug 2019
  • Developed 2 educational websites with PHP/MVC
  • Created responsive designs with HTML5/CSS3
  • Implemented user authentication systems

Founder & Developer

PharmaTIC • Nouakchott
May 2018 - Present
  • Conceptualized medical application for local needs
  • Developed cross-platform solution with React Native
  • Managed all aspects of technical implementation

Telecom Intern

MATTEL • Nouakchott
Jun 2018 - Aug 2018
  • Studied telecom infrastructure and equipment
  • Assisted technical teams with network maintenance
  • Documented technical specifications

Hackathon Participant

UNFPA • Nouakchott
Nov 2017
  • Developed peace-promotion web platform
  • Collaborated in multidisciplinary team
  • Presented solution to UN representatives

Web Developer

RIM-MIRROR • Nouakchott
Jul 2016
  • Built company website with HTML/CSS/PHP
  • Implemented content management features
  • First professional web development experience

Technical Expertise

Backend

  • Java/Spring
  • Node.js/Express
  • REST/GraphQL
  • Microservices
  • Python

Frontend

  • React.js & React Native
  • Angular/Ionic
  • TypeScript
  • HTML5/CSS3
  • Redux/Vuex

DevOps & Data

  • Docker
  • PostgreSQL/MongoDB
  • Kafka
  • CI/CD Pipelines
  • New Relic

Get In Touch

I'm currently open to new opportunities and interesting projects. Whether you have a question or just want to say hi, I'll do my best to get back to you!