About Sébastien
French
Native or bilingual
Experience
- AradelIoT & Cloud Solutions Architect – FreelanceINTERNET OF THINGS (IOT)May 2024 - Today (2 years and 2 months)Nantes, FranceI assist companies in the design, structuring, and evolution of cloud-based IoT platforms, in direct relation to field constraints and business needs.My work primarily focuses on:
- Data flow architecture, from the collection of connected equipment to its exploitation
- Design and evolution of robust APIs for data ingestion and exposure
- Structuring reliable, maintainable, and scalable platforms
- Securing developments through CI/CD and automated testing
- Development and take-over of existing platforms in production
I work on both greenfield projects and deployed platforms, with a pragmatic approach focused on long-term operation. - R3Lead DevTECHSeptember 2022 - May 2024 (1 year and 8 months)Nantes, FranceResponsible for the evolution and maintenance of a web application developed with Python (Flask) and PostgreSQL.Led the migration of the application from a traditional server to Clever Cloud, optimizing resource management and scalability.Implemented user authentication via Keycloak, replacing the internal management system with a more robust and secure solution.Participated in the architecture design for several new projects, ensuring the scalability, performance, and security of proposed solutions.
- ComapPlatform ArchitectTECHOctober 2018 - September 2022 (3 years and 11 months)Nantes, FranceComplete redesign of the thermostat IoT platform (developed at Qivivo), using a serverless architecture with AWS services to improve scalability and resilience.Implementation of various AWS technologies, including:- Lambda for serverless function execution,- API Gateway for API call management,- DynamoDB for NoSQL storage,- Kinesis for real-time data stream management,- SQS for asynchronous message queuing.- Integration of other technologies on EC2 instances, including:* InfluxDB, a time-series database for managing IoT data,* Keycloak for centralized user management and authentication.- Design and development of robust APIs with OpenAPI and authentication management via JWT (JSON Web Tokens).
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Education
- DESS Computer Engineering, Computer ScienceUniversity of Nantes, Faculty of Science2003DESS Génie Informatique, Informatique