• Home
  • About me
  • Skills
  • Experience
  • Projects
  • Software Engineer

    I'm Gianfranco Durand, Software Engineer.

    I build reliable web and mobile applications from concept to deployment. Explore my work to see the projects I've shipped and the technologies I work with.

    Scroll to explore

    About Me

    Gianfranco Durand

    I'm Gianfranco, a software engineer focused on building practical, well-crafted digital products. I work across the full stack, from designing APIs and backend services to building responsive interfaces. I'm driven by solving real problems with clean, maintainable code.

    Skills & Expertise

    The technologies, tools, and frameworks I work with daily

    TypeScript
    TypeScript
    React
    React
    Flutter
    Flutter
    NestJS
    NestJS
    Spring Boot
    Spring Boot
    .NET
    .NET
    Docker
    Docker
    MongoDB
    MongoDB
    Azure
    Azure

    Experience

    Full Stack Developer

    EY

    May 2026Present

    • Develop and maintain web applications using Angular, React, and .NET.
    • Lead frontend migration initiatives across multiple projects.
    • Address security vulnerabilities in backend services.
    • Manage dependency and library updates across the codebase.
    • Execute and optimize CI/CD pipelines.
    • Collaborate daily with the team through standups and QA coordination to ensure delivery quality.

    Full-Stack Developer (Web + WhatsApp Automation)

    Freelance

    January 2026March 2026

    • Built a full-featured real estate management system (React + Supabase) with business modules, KPI dashboard, and interactive SVG map for visual lot, payment, and contract management.
    • Developed a WhatsApp bot (Node.js + whatsapp-web.js) for customer self-service, availability queries, and automated conversational flows.
    • Deployed a WebSocket server (Socket.IO) for real-time bot monitoring and automated scheduled payment reminders.

    Mobile & Backend Developer

    Freelance

    October 2025December 2025

    • Developed a Flutter mobile app with Clean Architecture and Riverpod, featuring offline-first data persistence with Drift (SQLite).
    • Implemented JWT authentication, secure storage, protected routing with GoRouter, and connectivity-based synchronization.
    • Built the backend in .NET 8 Web API with DDD/CQRS, EF Core, and MySQL, including WebSockets for real-time updates and Cloudinary integration for image management.

    Backend Developer

    Maxillaris

    March 2025April 2025

    • Designed and developed scalable RESTful APIs with NestJS and TypeORM for internal management tools.
    • Modeled relational data and optimized complex PostgreSQL queries to improve system performance.
    • Defined API contracts and coordinated backend integration with the frontend team for the administrative dashboard.

    Projects

    NomadNation

    NomadNation

    Web platform for exploring and reviewing travel offers, featuring authentication, profile management, media uploads, and email notifications.

    Dynalink

    Dynalink

    URL shortener with custom shortcodes. Update destinations anytime while maintaining a full change history.

    Essence

    Essence

    Mobile app built with Flutter (Clean Architecture, Riverpod, offline-first with Drift). Backend in .NET 8 with DDD/CQRS, real-time WebSockets, and Cloudinary for images.

    NomadNation

    NomadNation

    Web platform for exploring and reviewing travel offers, featuring authentication, profile management, media uploads, and email notifications.

    Dynalink

    Dynalink

    URL shortener with custom shortcodes. Update destinations anytime while maintaining a full change history.

    Essence

    Essence

    Mobile app built with Flutter (Clean Architecture, Riverpod, offline-first with Drift). Backend in .NET 8 with DDD/CQRS, real-time WebSockets, and Cloudinary for images.

    NomadNation

    NomadNation

    Web platform for exploring and reviewing travel offers, featuring authentication, profile management, media uploads, and email notifications.

    Dynalink

    Dynalink

    URL shortener with custom shortcodes. Update destinations anytime while maintaining a full change history.

    Essence

    Essence

    Mobile app built with Flutter (Clean Architecture, Riverpod, offline-first with Drift). Backend in .NET 8 with DDD/CQRS, real-time WebSockets, and Cloudinary for images.