Freelancer profile translated to English.
Back to original languageAbout Denis
Specialized in the development of complex, distributed, and high-performance software solutions. Expert in GIS systems, geospatial processing, Cloud (AWS/GCP/Azure), backend architectures, and DevOps integration. I work on the entire software cycle: design, development, optimization, CI/CD, data processing, and industrial deployments.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Marseille (up to 50km), Nantes (up to 50km), Bordeaux (up to 50km), Lyon (up to 50km)
Experience
- Airbus HelicoptersWeb Developer | Python | React | PostgreSQLAVIATION AND AEROSPACEDecember 2024 - October 2025 (10 months)Marignane, France→ Mission ObjectiveDesign and develop a businessweb applicationfocused onaeronautical safety**, based on **Python, React, PostgreSQL, and Cesium**, enabling **2D/3D visualizationand complex data analysis in **real-time**.→ Achievements:
- Development ofPython backendsfor a critical real-time data-oriented **web application**.
- Design ofweb APIsconsumed by aReact frontendintegratingCesium 3Dviews for visualizing helicopter trajectories and behaviors.
- Modeling and optimization ofPostgreSQL / PostGIS databasesfor storing and analyzing spatial data.
- Integration of2D/3D geospatial visualizations(mapping, trajectories, volumes) using Cesium and GIS tools.
- Development of performance processing inPython and C++to reduce calculation latency.
- Implementation of ascalable web architecture(Cloud & DevOps) and optimization of the application's overall performance.
→ Technical StackPython, React, Cesium, PostgreSQL, PostGIS, FastAPI, AWS, Docker, Terraform, Pandas, SQL, GDAL, PROJ4, DevOps, AI, Qgis - LEP GAMESWeb Developer | Python | React | PostgreSQLTECHJanuary 2024 - December 2024 (11 months)Paris, France→ Mission ObjectiveDesign aninnovative web applicationinPython, React, and PostgreSQLto control a computer via facial recognition.→ Achievements:
- Development of thePython backendfor an AI-oriented web application.
- Creation of web APIs consumed by aReactinterface.
- Storage and structuring of data in **PostgreSQL**.
- Integration of AI algorithms into a **Python web application**.
- Continuous improvement of performance and user experience.
→ Technical StackPython, React, PostgreSQL, FastAPI, Keras, Pandas, SQL, DevOps, AI - VeoliaWeb Developer | Python | React | PostgreSQLENERGY AND UTILITIESSeptember 2023 - December 2024 (1 year and 3 months)Marseille, France→ Mission ObjectiveDevelop aGIS web applicationbased onPython, React, and PostgreSQL/PostGISfor water network management.→ Achievements:
- Development ofPython backendsfor a business **GIS web application**.
- Creation of web APIs consumed by aReactinterface.
- Advanced optimization ofPostgreSQL / PostGISfor massive geospatial processing.
- Development of web functionalities for operational network management.
- Implementation of web tools facilitating field and office operations.
→ Technical StackPython, React, PostgreSQL, PostGIS, FastAPI, Django, QGIS, SQL, Docker, DevOps, AI, Qgis
Reviews
Recommendations
GA
FU
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