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Alexandre DubarAD

Alexandre Dubar

Full Stack Developer TypeScript | React, Next.js

€600/day
4 projects
Montpellier, FR
3-7 years

Average response time: 24 hours

Freelancer profile translated to English.
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About Alexandre

Looking for a developer who can transform an idea into a high-performing, scalable, and production-ready web application?

As a Freelance Full Stack Developer specializing in **React, Next.js, NestJS, and TypeScript**, I help companies create robust web applications, SaaS platforms, business tools, and APIs. My goal is simple: to develop solutions that address your business challenges, optimize your processes, and sustainably support your business growth.

I am also keenly interested in AI (LLMs, automation, intelligent assistants) to integrate innovative features that enhance productivity and bring more value to your users.

My expertise:React, Next.js, Node, NestJS, TypeScript, PostgreSQL, MongoDB, Docker, Git, CI/CD, REST APIs, SEO, software architecture, application security, and performance optimization.

What I can bring to you:
• Analysis of your technical and business needs
• Complete development of your project, from idea to deployment
• Integration of AI and automation solutions
• Clean, tested, documented, and maintainable code
• Scalable architecture designed to support your growth
• Smooth collaboration with regular deliveries

What my clients appreciate:
✔ Clear, transparent, and responsive communication
✔ Strong autonomy and quick integration into teams
✔ A business-oriented approach above all
✔ A real ability to propose and guide technical choices
✔ Special attention to quality, performance, and maintainability
✔ Respect for deadlines and commitments

Do you have a project to launch, an application to evolve, or need expertise in React, Next.js, NestJS, or AI integration? Contact me to discuss your project. I respond quickly and can assist either as team reinforcement or on an end-to-end mission.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

  • German

    Conversational

Remote only
Primarily works remotely

Experience

  • La Poste
    Fullstack Developer
    TELECOMMUNICATIONS
    June 2023 - Today (3 years and 2 months)
    Montpellier, France
    Assisting La Poste in modernizing a critical business application, working on Front-End, Back-End development, and process automation to improve service quality and operational efficiency.

    Contributions:
    • Development of performant, modular, and maintainable Angular interfaces.
    • Design of robust Python/Django APIs to support complex business processes.
    • Modeling and automation of workflows with Camunda (BPMN).
    • Participation in architecture choices and functional evolutions of the application in collaboration with business teams.
    Python/Django Angular TypeScript Ansible Automation Platform Camunda
  • Price Bee
    Full Stack Developer
    CIVIL ENGINEERING
    January 2023 - January 2025 (2 years)
    La Baule-Escoublac, France
    Business Objective: Create and evolve an ERP customized to each client's needs, ensuring its performance, technical flexibility, and business value.

    Value Provided: Better utilization of business data and a more reliable tool to support decision-making.

    Key Achievements:
    • Robust front-end code: development of features with modular, reusable, and maintainable code, suitable for complex and customized interfaces.
    • Backend architecture overhaul:
    Migration from MongoDB to PostgreSQL to better structure an increasingly complex data schema and resolve query slowness.
    Transition to GraphQL with NestJS for more flexible, typed, and performant APIs.
    • Smart data utilization:
    In-depth integration of the Google Maps API to generate complex geolocated quotes, including competitor comparisons.
    Design of an interactive heat map to visualize sales performance (won vs. lost quote areas), a decision-support tool for the business team.
    • Agile methodology:
    Involvement in the entire development cycle (sprint planning, estimations, design workshops, technical reviews) in direct communication with product, design, and tech teams.
    TypeScript MongoDB Node.js NestJs Next.js
  • Notice
    Malt logoOn Malt
    Fullstack Developer
    SOFTWARE PUBLISHING
    April 2022 - November 2022 (7 months)
    Paris, France
    Business Objective: Offer a performant, modular, and SEO-friendly no-code platform, enabling any user to easily create and embed a site (e.g., blog, documentation, FAQ) in just a few clicks.

    Key Achievements:
    • Smooth user experience: development, maintenance, and continuous improvement of the no-code block editor's front-end.
    • Migration to a robust codebase: transition from JavaScript to TypeScript to improve product reliability, maintainability, and scalability.
    • Scalable backend: overhaul of the main API with the addition of new features to support increasing complexity.
    • Advanced modularity: creation of a Block Management System with recursive block management, allowing for flexible and reusable compositions.
    • Simplified integration: development of a widget integration system that allows clients to add their blog, FAQ, or documentation to any site with a single line of code.
    • Organic visibility: SEO optimization to ensure good indexing and high organic traffic for generated sites.
    TypeScript NestJs PostgreSQL MongoDB Next.js

Reviews

5.0

Out of 3 ratings

Q

Quentin

Notice

Reviewed on 11/6/2022

Excellent work from start to finish! Thanks Alex!
Q

Quentin

Notice

Reviewed on 10/17/2022

Excellent as always.

Recommendations

QC
Martial CarriereMC
Quentin Chantelot and 1 other person have recommended Alexandre

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Education

  • Digital Technologies Architect
    42
    2022
    Développement d'une plateforme multi-joueur en ligne NextJS/NestJS (https://play.busshi.fr) Création d'un serveur web from scratch (nginx) en C++ Création d'un shell from scratch en C Développement du jeu vidéo en C (Doom like) Recréation de la libc from scratch en C

Certifications

  • eJPT
    eLearning Security
    2021
    PenTest

Skill set

Categories