Ioannis Papakostas
I'm a Computer Engineer and aspiring machine learning engineer. Welcome to my page!
Education
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MSc in Data Science & Engineering - Department of Computer Science & Engineering, University of Ioannina
Department Site
February 2023 – February 2025
Grade: 9.56 / 10.00 (Excellent) -
Integrated MSc in Computer Science & Engineering - Department of Computer Science & Engineering, University of Ioannina
Department Site
October 2017 – October 2022
Grade: 8.70 / 10.00 (Excellent), Ranked 1st (2021–2022 Class) -
High School Diploma – Pedini High School, Ioannina
Graduated June 2017
Grade: 19.9 / 20.0 (Excellent), Ranked 1st (2016–2017 Class)
Work Experience
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Natech Banking Solutions – Full Stack Engineer
Company Site
February 2022 – August 2024
Developed full-stack ASP.NET MVC applications with responsive UIs, robust C# backends, and SQL Server integration. Ensured quality through testing and supported deployments to Azure and IIS within Agile teams. -
Natech Banking Solutions – Web Developer Intern
Company Site
July 2021 – August 2021
Developed RESTful APIs with .NET and documented them using Swagger to improve system integration and developer usability.
Publications in Scientific Journals
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Efficient error minimization in kernel k-means clustering
Pattern Analysis and Applications, Springer Nature, 2025
View on Springer
@article{vardakas2025efficient, title={Efficient error minimization in kernel k-means clustering}, author={Vardakas, Georgios and Papakostas, Ioannis and Likas, Aristidis}, journal={Pattern Analysis and Applications}, volume={28}, number={2}, pages={1--25}, year={2025}, publisher={Springer} } -
Deep Clustering Using the Soft Silhouette Score: Towards Compact and Well-Separated Clusters
arXiv, 2024
View on arXiv
@article{vardakas2024deep, title={Deep clustering using the soft silhouette score: Towards compact and well-separated clusters}, author={Vardakas, Georgios and Papakostas, Ioannis and Likas, Aristidis}, journal={arXiv preprint arXiv:2402.00608}, year={2024} }
Skills
- Programming Languages: C, C++, C#, Java, Python, SQL, SQLite, JavaScript
- Web Pages Building: HTML, CSS, ASP.NET MVC, RESTful APIs
- Machine Learning: Pandas, Scikit-learn, PyTorch, Tensorflow
- Design Packages and Tools: ArcGis, Matlab, Visual Studio, ROS, Git, Docker, Azure
- Soft Skills: Critical Thinking, Dedication, Leadership, Problem Solving, Partner Collaboration, Respectfulness