Oween Barranzuela
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Hey there! 👋
I’m a 4th-semester AI student with a passion for data analysis and machine learning. I love turning data into meaningful insights and exploring real-world AI applications.
🚀 Currently looking for an internship! I’m eager to apply my skills, learn from industry professionals, and contribute to exciting AI projects.
Feel free to check out my profile—I’d love to connect and discuss how I can bring value to your team.
Let’s create something amazing together!
Skills
- Scikit-learn
- Rasa
- Feature Engineering
- Recommendation Systems
- Time Series Forecasting
- Pandas
- NumPy
- Matplotlib
- Seaborn
- Plotly
- Data Cleaning
- Data Visualization
- Statistical Analysis
- SQL
- Data Preprocessing
- Spanish (Native Speaker)
- English (Fluent)
- German (Fluent)
- Turkish (Fluent)
- Portuguese (Basic)
Beyond Coding
University life isn’t just about lectures and exams—it’s also about growth, exploration, and new experiences. This section is a collection of things I’ve done outside the classroom, from earning certifications and participating in university activities to traveling and mentoring new students.
Because learning goes beyond textbooks. 🚀
Experiences - Welcoming exchange students from over 100 countries at the TH Deggendorf
Certificates - Languages
Certificates - Online certificates
Creations
This section showcases projects that I have created and contributed to. Some were developed as part of assignments during my bachelor's studies, while others were built to optimize my workflow or enhance my skills.
Prepare your data with PreproX: Smart Data Preparation
In an effort to optimize my time during busy university days, I developed this web app as a time-saving solution for my machine learning projects. It streamlines the data preprocessing phase by providing an intuitive and user-friendly interface, allowing users to select the necessary transformations effortlessly. The final output is a clean, well-structured dataset, ready for machine learning models.
Prini Chatbot
As part of the Internet Technologies lecture, Prini has been developed as a chatbot designed to answer questions related to our university canteen
SmartLoan: Predict your Loan Approval Likelihood
As part of the Assistance Systems lecture, Smart Loan has been developed as a web application designed to predict the likelihood of a user's loan application being approve
Experience
AI Model Evaluator
- Evaluate text and code responses from Large Language Models (LLMs) for accuracy, coherence, and adherence to guidelines.
- Perform prompt engineering and experimentation with various parameters to assess AI-generated outputs
- Review and validate Python code snippets, ensuring they are executable and function as intended
- Ensure AI outputs align with legal and ethical obligations, such as truthfulness, safety, and fairness
International Tutor
- Successfully organized Orientation Weeks, welcoming students from over 100 countries and introducing them to the university’s services.
- Provide guidance and support to international students on various matters, including insurance, visa procedures, bureaucratic requirements, and social integration in Germany.
- Organize events such as language tandems to foster cultural exchange and help students integrate into university life.
- Share relevant information about the AI Bachelor program and other degree offerings with prospective students.
Restaurant Helper
- Led shifts independently, organizing tasks and coordinating with the team—all in German.
- Developed strong problem-solving skills by addressing challenges under pressure, multitasking effectively, and communicating customer feedback to management for continuous improvement.
Student Assistant
- Assisted the editors in creating online statistical content.
- Processed and published data and editorial texts in English for the Statista.com platform.
Education
Deggendorf Institute of Technology
Programming, Statistics, Machine Learning
University of Selcuk
International Trade, Diplomacy, Economics