Rejeb C.

• ● Developed RESTful APIs using Spring Boot, implementing clean architecture patterns.

• ● Designed and implemented new domain models with relational schemas aligned to PostgreSQL.

• ● Built and deployed the application on Google Cloud Run, using containerized workflows (Docker + GitHub Actions).

• ● Managed Cloud SQL (PostgreSQL) as a DBaaS: database provisioning, migrations, performance tuning, user/roles management, and secure connection configuration.

• ● Integrated application-level authentication, error handling, logging, and monitoring for production readiness.

• ● Collaborated in an Agile environment, participating in sprint planning, code reviews, and continuous improvement cycles.

+3 month - Development of a web application: Saas application to generate bills ( factureclients.com )

• ● API & Back-End Development: Implemented apis using Python and FastAPI for handling invoice, company, clients, products ....

• ● Database Management: Utilized PostgreSQL for data storage and Alembic for schema migrations, ensuring scalable and maintainable data structures.

• ● Containerization & Deployment: Packaged and deployed services with Docker, configured Nginx for load balancing and routing, and integrated with IONOS for hosting.

Tools: Python, FASTApi, Postgresql, Alembic, google cloud storage, Pytest, Docker, Google Cloud SDK, Git, Github, Trello, Cloud Run, Github Actions, Pytest, IONOS

• ● Integrated advanced LLMs (GPT, Mistral, LLaMA) and zero-shot models (GLiNER, NuExtract) for NER, metadata extraction, and document understanding, deployed on Hugging Face Inference Space.

• ● Deployed and scaled services on Google Cloud Run and Cloud Functions, including GPU-accelerated inference workloads for performance-intensive tasks.

• ● Used Google Cloud Storage for input| output file management and batch processing across services. Automation & Testing