Full-Stack Developer

Laurent
Constant

9+ years turning complex requirements into fast, elegant web products. Angular · .NET · Blazor · NestJS · Laravel · Docker · Azure

9+ Years Experience
10+ Companies
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Trusted by great companies

Who I Am

Full-stack developer with 9+ years of professional experience delivering production-grade web applications across enterprise, scale-up, and agency environments. I specialise in Angular, .NET and Node.js — from greenfield architecture down to performance audits and complex UI challenges. I communicate clearly with stakeholders, ship on time, and care deeply about code quality and user experience.

  • Front-end
    Angular 19 8y React 4y TypeScript 7y RxJS 7y NgRx / Signals 4y SCSS 8y PrimeNG 1y Blazor 1y Web Components 1y PWA 2y
  • Back-end
    NestJS 2y .NET Core / C# 1y Laravel 3y Node.js 2y Django 1y REST API JWT / Azure AD SAPUI5 2y
  • Data & Cloud
    PostgreSQL 2y SQL Server 3y Azure 3y Docker 5y Power Platform 3y Salesforce 1y OpenLayers 1y
  • Tools & Practices
    Git 10y Agile / Scrum 8y Unit Testing 2y CI/CD 7y Figma 3y npm / yarn 10y Capacitor 1y
  • Languages
    Dutch — Native French — Fluent English — Professional

Featured Work

FujiFilm Electronic Materials
Jul 2025 – Present Freelance

Warehouse & .NET Platform Overhaul

Rewrote legacy apps to .NET Core (Blazor, EF, Dapper), built a global Warehouse Scanning Transaction app with Keycloak SSO, Warehouse Inventory Management System, RFID auth. This application is built on a pathfinding algorithm that drives autonomous routing decisions and is easily adaptable without any frontend alterations.

Pomuni
Apr – Aug 2025 Freelance

Application Form Management System

Built a highly configurable form platform — power users configure fields, validation rules, conditional actions, file attachments and process flows through a dedicated UI, zero code required. Also carried out performance optimisations across the stack.

Old-Continent
Nov 2024 · Mar 2025 · Jul 2025 Freelance

Search Refactor & OpenLayers Map

Debugged and refactored broken search functionality, rewrote an OpenLayers map component, and optimised front-end performance — all within a codebase built on the EU's Europa Component Library.

Pykes Partners
Dec 2024 – Jan 2025 Freelance

Financial Statements Drag-&-Drop UI

Designed and built a multi-level drag-and-drop interface for structuring financial statements, consumed by Power BI dashboards. Delivered as a self-contained Angular Web Component — works in any host page without framework dependencies.

FujiFilm Electronic Materials
Mar 2023 – Nov 2024 Employed

Global Customer Complaints Platform

Built a Power Platform notification-driven complaints platform rolled out worldwide across all sites and departments. Also built production-order management apps, SAPUI5 business tools, and Node.js scripts for data migration and sync between systems.

RouteYou
May 2021 – Mar 2023 Employed

RouteYou PWA & Platform

Co-developed the PWA — cyclists and hikers follow routes with visual and audio turn-by-turn instructions, no app install required. Also integrated new platform features and led a UX overhaul of both the website and PWA.

Career Timeline

  1. July 2025 – Present

    Freelance Full-Stack Developer

    FujiFilm Electronic Materials

    .NET rewrite of existing applications, warehouse inventory system (Blazor), RFID auth, contingency reporting dashboard, Lotus Notes data search, Salesforce sync. Mentoring a junior developer.

  2. April – August 2025

    Freelance Full-Stack Developer

    Pomuni

    Flexible application form management system with full UI configuration for fields, validation, process flows and conditional actions.

  3. Dec 2024 – Jan 2025

    Freelance Angular Developer

    Pykes Partners

    Multi-level drag-and-drop UI for financial statements as a standalone Angular Web Component, consumed by Power BI.

  4. Nov 2024 / Mar 2025 / Jul 2025

    Freelance Front-end Developer

    Old-Continent

    Search refactoring, OpenLayers map component rewrite, performance optimisations.

  5. March 2023 – November 2024

    Full-Stack Developer

    FujiFilm Electronic Materials

    Production order management apps (Angular/NestJS), SAPUI5 business apps, global complaints platform, Power Platform tooling.

  6. May 2021 – March 2023

    Full-Stack Developer

    RouteYou

    New platform features, PWA with turn-by-turn navigation, full UX overhaul (Angular, PHP, Docker, PostgreSQL).

  7. Oct 2018 – March 2021

    Angular Developer

    viaVictor

    Antwerp city complaint platform, grensarbeiders quiz app, promo websites (Angular, NgRx, React, Docker).

  8. Jul – Oct 2018

    Angular Developer

    Bank Delen Private Banking

    Features in the banking PWA (Angular, Capacitor, Azure, JWT).

  9. Apr 2017 – Jun 2018

    Front-end Developer

    BBDO Belgium

    Promotional campaign websites and a Pinterest-style site for a Belgian furniture brand (Laravel, HTML5, CSS, jQuery).

  10. Jan 2016 – Feb 2017

    Full-Stack Developer

    Wappla

    Client websites, ReactJS business card printing app (Laravel, HTML5, CSS, npm, jQuery).

Let's Work Together

Have a project in mind? Reach out and let's discuss how I can help.