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Charley GeoffroyCG

Charley Geoffroy

DevOps | Fullstack (NestJS · NextJS · Typescript)

€450/day
Aix-en-Provence, FR
3-7 years
Next.js
NestJs
Docker
CI/CD
Kubernetes

Average response time: 1 hour

Freelancer profile translated to English.
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About Charley

Fullstack Developer (ReactJS · NextJS · NestJS) | DevOps (Docker · Kubernetes · CI/CD) | Code Review (Git · Github · Gitlab)

My name is Charley, I am an engineer, curious by nature, I am capable of managingthe entire development chain**, from testing, integration, deployment, maintenance, and monitoring of applications in Cloud environments. Passionate about IT and space, I like to **create and deploy innovative and concrete solutions🛰️

💡 I develop and maintain ( in my free time) Kidoscan, a real-time satellite tracking application currently used by RF engineers in Montpellier ->dev.kidoscan.com

➡️Kidoscan Stack:NextJs · TypeScript · Wasm · Rust · SGP4 · Docker · Kubernetes · ArgoCD · Cert-Manager · Nginx Ingress Controller · PostgreSQL

-> Skills:

*Languages:Javascript, Python, TypeScript, Rust

*Framework - Library:NestJS, FastAPI, Express, Axum, ReactJS, NextJS

*Infrastructure:Bash, Docker, Kubernetes, ArgoCD, Helm, Ansible, Terraform, Git, Gitlab CI, Message Broker (Redis, Mqtt..)

*Database:PostgreSQL, MongoDB, MySQL

*System:Linux, MacOs

*Specialties:Signal Processing, Maths, Physics

-> Open-Source Projects and Contributions:

*Kidoscan:Real-time 3D satellite tracking platform

*DTChat:RUST open-source P2P messaging application with DTN capabilities

*Co-author of scientific research publication (LIRRM):Design and Implementation of a Native Socket Interface for the Bundle Protocol


I would be delighted to support your project and create reliable and high-performance solutions. Contact me to discuss it!
Aerospace
Software Publishing
Digital Business Models
IoT (Internet of Things)
Telecommunications

  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Aix-en-Provence (up to 30km), Montpellier (up to 10km), Manosque (up to 30km)

Experience

  • GroundSpace
    DevOps & Software Engineer
    AVIATION AND AEROSPACE
    October 2024 - Today (1 year and 8 months)
    France

    RF Signal Processing (R&D)

    Software Stack:ReactJS, NestJS, Python, Docker, Linux
    Scientific Stack:Math, SoapySDR, SGP4, TLE, SDR (Software-Defined Radio)

    Daily exploitation of SDR equipment and development environments for satellite signal detection and analysis.

    -> Python Development

    • Implementation of real-time RF signal processing algorithms for satellite tracking (PySDR, SciPy, NumPy).

    -> R&D Project

    Design and development of an automated satellite detection system combining:
    • SDR configuration with SoapySDR for RF data capture.
    • IQ data processing and frequency analysis (Welch's method).
    • Doppler effect calculations for identifying moving satellites.
    • SGP4 orbital propagation algorithms.

    -> Infrastructure & Deployment

    • Development of a complete debugging and monitoring platform.
    • ReactJS application for real-time visualization.
    • Backend API with NestJS for processing and monitoring.
    • Complete deployment and production management.
    NestJs Python Docker React.js Physics
  • Le Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier
    Software Engineer (open source)
    January 2025 - July 2025 (6 months)
    France

    Rust & EGUI Development

    Technical Stack:Rust, Linux, Egui, Tokio, Socket2, Github Actions

    Design and implementation of a complete graphical interface
    with the Egui framework.

    • Advanced visualizations (interactive timelines, chronological message views with real-time updates).
    • Multi-peer configuration system with dynamic peer management.

    ->Low-level Development

    Integration of existing communication modules into a three-layer architecture:

    • Socket-Engine Layer: low-level network communication & Bundle Protocol management.
    • DTChat-Backend Layer: business logic, message routing, and data persistence.
    • DTChat-EGUI Layer: user interface and visualization components.

    ->BP-Socket Integration

    Successful implementation of the bp-socket module, enabling modern applications to leverage Delay-Tolerant Networking (DTN) communication capabilities.
    Rust GNU/Linux Node.js Typescript Gitlab CI/CD
  • Rocket Factory Augsburg
    DevOps & Software Engineer (Intern)
    AVIATION AND AEROSPACE
    July 2024 - September 2024 (2 months)
    Germany

    Full-Stack Development

    -> Technical Stack:Python, TypeScript, FastAPI, ReactJS, Next.js, Docker, GitLab CI

    Design and implementation of a complete invoice and quote tracking system for the logistics department.
    • Development of a high-performance API with FastAPI.
    • Complete documentation via OpenAPI (Swagger).

    -> Frontend Development

    Creation of user interfaces:

    *Next.jswithReact**- Typescript** for modern server-side rendering.


    -> Infrastructure & Deployment
    • Application containerization with Docker (multi-stage builds).
    • Implementation of CI/CD pipelines with GitLab CI.

    -> International Collaboration
    • Work in a multinational team (8 developers, 6 countries).
    • Communication entirely in English.
    Typescript Docker React.js FastAPI Python

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Education

  • Engineer
    Polytech - Montpellier
    2025
    Développement informatique et exploitation Opérationnelle
  • BTS
    CESI School
    2022
    Développeur informatique

Skill set

Argo CD
GNU/Linux
Gitlab CI/CD
GitOps
Helm
Ansible
Terraform
Rust
Problem Solving
Node.js
Typescript
Nextjs
React.js

Categories