About Me
Hi there, my name is Serafeim! I am a Software Engineer with an experience in C++ back-end development.
Based in Ioannina, Greece
Integrated Master's (2025) · University of Ioannina
Runner & photographer keeping creativity sharp
Resume
Work Experience
Junior Software Engineer
TeamViewer
· Greece
September 2024 - Present
Developed a critical C++ NATS service that enabled the successful launch of a new company feature, facilitating real-time data exchange with Java microservices using Protocol Buffers for message serialization and effectively handling approximately 5,000 messages/second.
Software Engineering Intern
TeamViewer
· Greece
March 2024 - August 2024
Worked on a back-end development in C++ for data migration, successfully transitioning a huge amount of data from ScyllaDB (NoSQL) to MSSQL for data consistency.
Education
Integrated Master's in Computer Science & Engineering
2018 - 2025
Thesis: Implemented an R-Tree spatial indexing system in C++ to optimize Geo-spatial data querying.
Bachelor's in Byzantine Music
2018 - 2023
Fotis Pittas Lyceum
2014 - 2017
Military Service
Special Forces
2017 - 2018
Completed national service in a Special Forces unit, strengthening resilience, leadership, and teamwork under pressure.
Activities
Runner
Running is how I decompress, stay focused, and celebrate progress one kilometer at a time.
- 21 km Ioannina Half Marathon 2025
- 10 km Ioannina Lake Run 2024
- 5 km Ioannina Lake Run 2024
- 5 km Ioannina Lake Run 2023
- 5 km Run Greece Ioannina 2023
- 30 km Ioannina Lake Run 2022
Photography
Capturing moments through the lens with a focus on landscapes, portraits, and storytelling.
Skills
Frameworks & Tooling
Data & Analytics
Databases
Collaboration
Languages
Greek Native
English Proficiency
Russian Beginner
Projects
Λ.Ε.Κ Σωτήρας
Designed and launched a responsive website that highlights the history, mission, and events of the Veteran Special Forces association.
Top-k Queries
Explored advanced data structures for complex query processing, benchmarking approaches for ranked retrieval on large datasets.
Classification Methods
Implemented and compared supervised learning techniques to evaluate performance trade-offs across real-world datasets.
Document Nearest Neighbors
Developed scalable nearest-neighbor search pipelines to surface related articles within large document collections.
Search Engine
Built an information retrieval engine with Apache Lucene, supporting customizable ranking and phrase queries.
Courses Management Web App
Shipped a full-stack academic planning tool with enrollment flows, role-based access, and reporting dashboards.
Contact
serafm@protonmail.com