# Alexandre Ginisty

**Full-stack developer, work-study**

alexandre.ginisty.pro@gmail.com · Île-de-France · [alexandre-ginisty.com](https://alexandre-ginisty.com)

## About me

Engineering student on a work-study contract, I build web and mobile applications from the API to the interface.

In the 2nd year of the engineering programme at Efrei (LSI major) and in my 2nd year of work-study at the Société des Grands Projets, as a software developer.

I am looking for a 3-month international internship in summer 2027, as part of my Efrei engineering programme.

## Professional experience and education

- **Since Sept. 2025** · IT development officer, S-Print v4 rebuild, Société des Grands Projets (SGP)
  2nd year of work-study: React/TypeScript pages and components, Symfony endpoints, API tests, code reviews, rotating scrum master.
- **Since Sept. 2025** · Engineering degree, LSI major, work-study, Efrei Paris · degree awarded together with Université Paris-Panthéon-Assas
  Currently in year 2 (ING2): full-stack Java, .NET and C#, security, cryptography, real-time systems, Scala.
- **2023 – 2025** · Full-stack developer on a work-study contract, Val-de-Marne prefecture, SINUM department · BUT in Computer Science (application development track)
  Sole developer: rebuilt the room and car booking site (~800 workstations), from design to production.
- **2019 – 2022** · STI2D baccalauréat, SIN option, Lycée Christophe Colomb, Sucy-en-Brie

## Technical skills

- **Front-end** : TypeScript · React · Svelte 5 · Three.js · Vue 3 · Tailwind CSS
- **Back-end & API** : Symfony / API Platform · PHP · Node.js / Express · Python (Flask, Pandas) · Rust / Leptos
- **Mobile** : Flutter / Dart · Kotlin / Android
- **Data** : PostgreSQL · MySQL · MongoDB
- **Systems & DevOps** : Docker · GitLab / GitHub Actions · Kubernetes (k3s) · Linux / WSL
- **Methods & tools** : Scrum · Kanban · Jira · Confluence · Code reviews · Automated tests

## Work-study assignments

### S-Print v4 · 2025 – ongoing

The rebuild of the Société des Grands Projets' platform where contract holders file their declarations, from Java/Vue to Symfony and React.

*Symfony · API Platform · TypeScript · React · Docker · GitLab · Jira*

- Complete rebuild: Java / Vue.js to Symfony + API Platform and TypeScript + React
- Replaces Excel files with controlled data entry and feeds the Cockpit analysis tool

## Personal project

### PlanesView · 2026

All air traffic live on a photorealistic globe, and the view from the cockpit of any aircraft.

*TypeScript · Three.js · Svelte 5 · MapLibre GL · Web Workers · IndexedDB · Cloudflare Pages Functions*

- Kalman filters per aircraft: 1 Hz of data becomes 60 fps of motion
- Tile quadtree with IndexedDB cache, "farthest first" eviction, terrain decoding in a Web Worker
- 369 tests, strict TypeScript, an ARCHITECTURE.md describing every module

## Qualities

Team spirit · Ability to learn · Perseverance · Focus

## Sports & hobbies

Weight training · Climbing · Basketball · Photography · Music · Video games

## Languages

- **French** : native language
- **English** : TOEIC, B2 level · professional English at Efrei
- **Spanish** : school level

## Links

- Portfolio : https://alexandre-ginisty.com
- GitHub : https://github.com/Alexandre-Ginisty
- LinkedIn : https://www.linkedin.com/in/alexandre-ginisty-72233628b/