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Catalin Visovan

@catalinvisovan

Big Data MSc student building data pipelines and warehouses, including a PySpark flight-delay pipeline processing approximately 7M records.

Romania

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What I'm looking for

I'm seeking a junior Data Analyst, BI Analyst, or analytics internship where I can apply my programming and data engineering skills to real-world datasets.

I built an end-to-end PySpark pipeline for flight-delay prediction that processed approximately 7M flight records. I preprocessed the data, trained classification models, and tuned thresholds to achieve an AUC of approximately 0.72.

For a financial data warehouse project, I designed a backend using Java 21 and Spring Boot, with Apache Spark for processing and MongoDB for storage. I containerized the system with Docker Compose and exposed functionality through a JSON-RPC 2.0 / MCP interface.

At Technology Industry Lab – MHP, A Porsche Company, I completed a structured industry lab covering AI/RAG pipelines, infrastructure as code, and backend and storage services. I also deployed application infrastructure to AWS; previously, as a Software Development Intern at CODEDEV TECH SRL, I contributed to functional testing and bug identification for an intranet platform.

Experience

Work history, roles, and key accomplishments

Industry Lab Participant

MHP, A Porsche Company

Apr 2026 - Jun 2026 (2 months)

Completed a structured 10-session industry lab covering AI/RAG pipelines, infrastructure as code, and backend/storage services. Deployed application infrastructure to AWS using Infrastructure as Code and worked in a simulated Agile/SAFe environment.

AI RAG Infrastructure as Code AWS Agile SAFe

Software Development Intern

CODEDEV TECH SRL

Dec 2024 - Jan 2025 (1 month)

Contributed to an intranet platform for a local construction company, focusing on functional testing and bug identification. Assisted with coding, testing, and deployment using C# and HTML while collaborating in a small team using Git.

C#HTML Git Testing Debugging