Oussama Hosni

I design and deploy scalable AI and backend systems across different industries, with a focus on Generative AI, RAG, and graph-based knowledge systems. • Built and maintained microservices and APIs with FastAPI, Django REST, PostgreSQL, MongoDB, Docker, and Celery. • Developed GenAI-powered solutions (SQL agents, GraphRAG, LangChain workflows) enabling natural language interaction with structured/unstructured data. • Designed retrieval systems using Elasticsearch, Neo4j, and Azure Blob Storage to improve query efficiency and accessibility. • Engineered data pipelines with Airflow, DBT, and BigQuery; automated deployments with Jenkins/Azure DevOps; improved monitoring with OpenTelemetry. • Strengthened quality and performance through E2E testing (Playwright), profiling, and load testing (Gatling). • Shared knowledge by presenting AI research and fostering collaboration.

• Developed and deployed an AI-driven quiz generator leveraging keyword extraction, word similarity, and distractors generation algorithms for dynamic and engaging assessments. • Developed interactive feedbacks ratings and geolocation analysis visualizations.

• Conducted data cleaning, centralization, and database rebuilding. • Implemented predictive models and Created dashboards to drive data-informed decision-making. • Designed and Deployed a scraping tool to retrieve missing information.

The Tunisian American Enterprise Fund Fellows Program connects students seeking career and entrepreneurship opportunities and companies seeking talent. Students from various disciplines are matched to companies to work on specific projects either as interns or volunteers.

• Designed and implemented a team scheduling platform to organize office presence.

• Executed Web Scraping with Selenium Python.