About Oussama
French
Native or bilingual
English
Fluent
Experience
- CONFIDENTIELFull Stack & Data AI DeveloperSOFTWARE PUBLISHINGSeptember 2025 - Today (9 months)▪ Design and implementation of a multi-tenant Data Analytics platform enabling operators and communities to visualize and analyze data from connected meters (water and electricity).▪ Definition and implementation of the data architecture from scratch, including the setup of aData Warehouseand the integration ofApache Supersetfor reporting analytical indicators and dashboards.▪ Development of amulti-tenantanalytical web portal, integrating identity and access management via Keycloak and an RBAC system to control access todashboardsand data based on user profiles.▪ Development of distributed data processing pipelines with PySpark, enabling the preparation, transformation, and enrichment of large volumes of data before analytical exploitation or use by AI models.▪ Integration of generative AI technologies through the implementation ofRAGknowledge bases (OCR analysis, vectorization with Pgvector).▪ Design of processing chains withLangChain/LangGraphand monitoring of model quality/performance viaLangFuseand RAGAS.▪ Design and development of the main frontend inAngular &**React**, based on a modular architecture with lazy loading, dynamic tenant configuration, and multilingual support (3 languages).▪ Development of backend APIs inPython(**FastAPI**) for access management, coupled withCelery/Redisfor asynchronous task orchestration and dashboard integration.▪ Industrialization and deployment of the platform, includingDockercontainerization,Kubernetesdeployment via Helm, creation of environment initialization jobs, and Superset customization for integration into the application ecosystem.
- VINCI – CITEOSFullstack & Lead Data Analytics EngineerMay 2024 - Today (2 years and 1 month)Paris, France
- Writing the technical architecture for a strategic project.
- Design and development of a Data Analytics oriented product: Conducting in-depth studies for the design of a data-driven solution, enabling comprehensive data analysis for strategic decision-making.
- Implementation of a modern data platform: Integration of cutting-edge technologies to design a scalable and secure data infrastructure, facilitating the management, processing, and analysis of large volumes of data.
- Implementation of ClickHouse for managing massive data.
- Orchestration of data transformations with Airflow and DBT, workflow automation.
- Configuration and administration of Superset: as well as the creation of dashboards for data visualization.
- Creation of custom plugins for Superset.
- Migration of the Vue.js 2 frontend to Vue.js 3, with performance optimization.
- DevOps migration to GitOps, deployment automation via Git pipelines.
- Implementation of CI/CD pipelines.
- Frontend: Dynamic loading of configurations for multi-tenant SaaS.
- Setup and configuration of Keycloak.
- Development of push/pull APIs for flexible data management.
- Connectors and data ingestion processes with Apache NiFi
- FREELANCEData & IoT EngineerINTERNET OF THINGS (IOT)January 2023 - January 2024 (1 year)▪ Gathering specific needs from the client regarding expected visualizations and functionalities.▪ Gathering specific needs in IoT data visualization.▪ Study of ThingsBoard APIs to retrieve data from connected devices (telemetry, events, alarms).▪ Modification of the user interface for better ergonomics and alignment with IoT needs.▪ Addition of specific features such as filters adapted to IoT data (real-time, devices, locations).▪ Development of custom visualizations (interactive geographical maps, timelines, heatmaps).▪ Design of specific graphs to represent real-time telemetry, anomalies, or historical trends.▪ Implementation of connectors to retrieve IoT data from ThingsBoard via its REST and MQTT APIs.▪ Synchronization of data between ThingsBoard and Superset to enable enriched analysis.▪ Development of automation scripts to extract device metadata and integrate it into Superset.▪ Optimization of SQL queries generated by Superset for the databases used.
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Education
- Embedded Systems EngineerESIEE Paris2021