Open to opportunities · Strasbourg, France

Hey! 👋
I'm Fayçal, a software
engineer

Backend-focused engineer with 3+ years building financial integrations, payment middleware, and scalable APIs. Author of LazyKitty, an open-source Python web framework.

👀 See My Work💬 Let's Chat
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Fayçal Ghozzi
Open to work
◦ About

Engineer & builder at heart

Hey! I'm Fayçal, a backend-focused engineer with 3+ years building financial integrations, payment middleware, and scalable APIs. I ship production systems in Python, PHP and React.js.

My work spans core banking middleware, real-time data pipelines, and autonomous perception systems. I care about code that's fast, reliable, and that teammates can extend without fear.

Currently lead engineer on Mon Trajet Vert at CESI Strasbourg, processing 20M+ GTFS rows across 7 cities.

Author of LazyKitty, an open-source Python web framework.

🐱 OSS Framework Author🌿 Mobility R&D🏦 Fintech Builder🤖 Embedded AI⚡ Full-Stack
📄 Download Resume
◦ Skills

What I work with

From banking middleware to autonomous drone perception. Here's the toolkit.

🧠

Backend

PythonFastAPIFlaskPHPLaravelNode.jsJavaGraphQLSOAP/REST
⚛️

Frontend & Mobile

React.jsNext.jsReact NativeVue.jsTypeScriptJavaScript
🗄️

Data, Infra & AI

DockerGCPPostgreSQLMongoDBGTFS/RTFirestoreROS2TensorRT
◦ My Projects

Things I've built

From open-source frameworks to AI drone systems and production fintech integrations.

LazyKitty – Python Web Framework
Open Source

LazyKitty – Python Web Framework

Open-source Python reactive web framework that renders full-stack UIs over persistent WebSockets with no JavaScript or HTML templates required. File-based routing à la Next.js, declarative component API (Column, Row, Card, Table, Form...), server-side session state, and a built-in SQLite migration engine.

PythonStarletteWebSocketsuvicornmorphdom
🔗 GitHub
🚁

Real-Time AI Drone Perception System

End-to-end autonomous drone perception platform. Custom YOLOv11 + TensorRT FP16 on NVIDIA Jetson Orin streams detections live to a React/TypeScript operator dashboard. Modular ROS2 pipeline with centroid-based multi-object tracking, persistent IDs, and GPS/IMU telemetry visualisation.

PythonROS2YOLOv11TensorRTGStreamerFlaskReactTypeScriptJetson Orin
📍

Real-Time GPS Tracking System

Full-stack GPS tracking platform: Android app (React Native/TypeScript) streams positions over WebSocket with offline buffering and auto-sync. Web dashboard renders live trajectories on Leaflet with session management, tag-based filtering, JWT auth, and multi-device tracking. Deployed on Linux via Docker.

React NativeTypeScriptNode.jsExpressSocket.IOSQLiteLeafletJWTDocker
🎮
↗

Tic-Tac-Two – Multiplayer Online Game

Full-stack multiplayer Tic-Tac-Toe with a twist: two moves per turn. Real-time WebSocket communication, deployed on Vercel and Render.

Next.jsTypeScriptNode.jsWebSockets
Middleware-BTL – Core Banking Integration
Production

Middleware-BTL – Core Banking Integration

Production middleware connecting TuniChèques to Temenos T24 R11 via SOAP (OFS messages) with a REST API layer for internal consumers. Handles 1,000+ daily transactions with full audit logging and a real-time monitoring dashboard.

PHP 8.3JBaseMySQLREST APISOAPTemenos T24
BTL-Synthèse – Financial Statement Analyzer
Production

BTL-Synthèse – Financial Statement Analyzer

Modular app to digitise and validate client balance sheets and income statements. Configurable financial row logic, automatic validation of assets/liabilities/fiscal results, accelerating credit risk assessment.

Laravel 9MySQLTailwindCSS
◦ Experience

Where I've worked

My professional journey so far.

CESI Strasbourg | Mon Trajet Vert
R&D Software Engineer
  • →Lead engineer on Mon Trajet Vert, aggregating GTFS/GTFS-RT feeds from 7 cities (Strasbourg, Paris, Nantes, Lyon, Toulouse, Bordeaux, La Rochelle)
  • →Designed FastAPI backend on GCP Cloud Run with RAPTOR algorithm for multi-modal journey planning (tram, metro, bus, train) + OSM pedestrian graph for walking transfers
  • →Built memory-efficient GTFS ingestion pipeline processing 20M+ rows across simultaneous providers, with fault tolerance and daily automated sync
  • →Integrated Firestore via GraphQL API; handled GTFS edge cases: overnight trips, public holiday calendars, route colour normalisation
  • →Coordinated architecture decisions with Emage-Me; mentored interns and PhD students
PythonFastAPIDockerGCP Cloud RunFirestoreGTFS/GTFS-RT
Banque Tuniso-Libyenne (BTL)
Banque Tuniso-Libyenne (BTL)
October 2024 - June 2025
Software Engineer
  • →Architected BTL payment middleware: TuniCheque → Temenos T24 R11 via SOAP (OFS messages), handles 1,000+ daily cheque reservation transactions
  • →Built real-time monitoring dashboard with full transaction audit logging and traceability for banking staff
  • →Led BTL M Banking mobile app end-to-end; improved banking workflows by 20%; optimised SWIFT message handling
  • →Delivered BTL-Synthese: modular app to digitise and validate client balance sheets and income statements for credit risk assessment
Laravel 9PHP 8.3MySQLTemenos T24TailwindCSSJBaseREST APISOAP
Hortensia Agency
Hortensia Agency
May 2024 - October 2024
Software Engineer
  • →Optimised backend and contributed to feature stability on Project Curve, a sigmoid-based financial modelling platform
  • →Integrated Stripe payment gateway: free/paid subscription tiers with webhook-based billing lifecycle management
React.jsStripeMongoDBFlask
7Systems GmbH
February 2023 - April 2024
Software Engineer
  • →Expanded and stabilised the bmacloud.de SaaS platform
  • →Migrated legacy frontend to React.js; improved team productivity by 30% through test automation and CI/CD improvements
React.jsPHP 7.4
◦ Education

Academic Background

Where I built my foundations.

École Supérieure Privée d'Ingénierie et de Technologies (ESPRIT)
National Engineering Degree in Computer Science
◦ Certifications

Continuous Learning

Courses and certifications that reflect my commitment to growth.

Software Testing and Automation Specialization

Software Testing and Automation Specialization

In Progress

Ongoing specialization covering best practices in software testing, automation frameworks, and TDD. Bridges theory and real-world QA in modern software development.

Artificial Intelligence Course

Artificial Intelligence Course

February 2025

Comprehensive program by Samsung Innovation Campus covering AI fundamentals, machine learning, and data processing with real-world datasets.

Fundamentals of Deep Learning

Fundamentals of Deep Learning

October 2021

NVIDIA course introducing deep learning, neural networks, and GPU-accelerated computing with TensorFlow and PyTorch.

Intermediate Python

Intermediate Python

January 2022

Hands-on DataCamp course covering list comprehensions, lambda functions, error handling, and external libraries.

◦ Contact

Let's build something great together

Open to engineering roles and interesting projects. I usually reply within 24 hours. Let's talk!