Senior Full-Stack Developer

Quentin Lecler

8+ years building mission-critical SaaS for healthcare and finance in Luxembourg.

Contact me LinkedIn GitHub
Available for freelance missions outside working hours PHP · Laravel · Vue.js · React · Node.js Healthcare SaaS & B2B platforms

about

Senior Full-Stack Developer specializing in healthcare and finance SaaS in Luxembourg. 8+ years building mission-critical platforms as sole developer — from architecture to deployment, with a TDD approach and 80%+ test coverage.

tech stack

Technologies

Backend

PHP
Laravel
Node.js
MariaDB
PostgreSQL

Frontend

Vue.js
React
TypeScript
Sass

Infrastructure

Docker
REST APIs
OAuth2
OpenID Connect
Laravel Reverb
GitHub Actions
Nginx
Apache2
Supervisord

Testing & Quality

PHPUnit
Vitest
Playwright E2E
TDD · 80%+ coverage

Networking & Security

CCNA
CyberOps

professional experience

Experience

Doctipro

July 2025 — Present

Healthcare SaaS — Luxembourg

  • Real-time virtual waiting room via WebSocket
  • Integrated Nidek ophthalmic equipment via Node.js
  • Full EMR module — medical exams, patient photos, history, intra-hospital sharing
  • Unified prescription management glasses and lenses
  • Direct payment processing CNS PID V2
  • Third-party laboratory OAuth2 integration (Bionext)
  • Database migration MyISAM → InnoDB — performance and integrity
PHP Laravel 8→12 Laravel Reverb MariaDB Node.js REST APIs OAuth2 PHPUnit Playwright E2E GitHub Actions Nginx Supervisord Sass CNS PID V2 CNS eCIT

Référenceur

January 2024 — July 2025

Financial SaaS — Luxembourg

  • Sole developer — No-code landing page configurator — layout, simulator, form, colors, fonts, domain → publish instantly
  • Custom loan simulator and lead generation forms
  • Custom domain and email management per broker
  • Complete loan request workflow
  • Role-based access control granular permissions
  • Billing automation via Zoho API
  • CLIP payment gateway integration
  • Anysoft broker platform API integration
PHP Laravel PostgreSQL React Vue.js TypeScript Sass REST APIs Adobe XD Zoho API

Anysoft

April 2019 — January 2024

Financial SaaS — Luxembourg

  • Full migration Windows/desktop → web SaaS — sole developer
  • Complete mortgage and consumer credit management SaaS in React
  • Integrated Belfius, Cofidis, BNP Paribas Fortis, Elantis
  • API gateways for loan submission to banking partners
  • Identity verification with card reader
  • SMS/email communication system
  • Hundreds of brokers across Benelux
React TypeScript Node.js Sybase REST APIs

ESI Informatique

June 2017 — April 2019

Agri-food & Quality Control — Belgium

  • Quality Control SaaS for Vinçotte inspectors at Belgium's largest Carrefour distribution center
  • Companion mobile app iOS & Android for warehouse inspections
  • Brunswick Marine client integration
  • Full ownership frontend, backend, database and mobile
PHP Zend Framework PostgreSQL Angular.js React Ionic Cordova Mobile iOS & Android

education & certifications

Education

Bachelor's in Computer Science & Management

IPEPS Verviers

2016 — 2018

CCNA — Cisco Certified Network Associate

Cisco Networking Academy

2016 — 2017

CyberOps Associate

Cisco Networking Academy

2017 — 2018

contact

Let's work together

Available for freelance missions outside working hours. Healthcare SaaS, B2B platforms, full-stack.

quentin@lecler.dev LinkedIn

Freelance profile → Malt