Available for opportunities

Alexandra
Zeltsi

Physicist
MLOps Engineer
AI & Biomedical Informatics
Project Management

Dynamic physicist delivering innovative solutions at the intersection of physics and AI. Specialised in NLP, biomedical informatics, and photonic systems research.

3
Degrees
3+
Publications
5+
Yrs research
C2
English
01Experience

2025 — Present

Zenith, Thessaloniki

R&D MLOps Engineer

Machine learning operations and R&D in applied AI contexts. Project Manager of INBLANC EU Project.

MLOpsPythonEU ProjectsProject Management

2022 — 2025

CERTH / ITI, Thessaloniki

Research Assistant — AI for e-Health

Worked on national and European projects specialising in AI for e-Health. Developed NLP pipelines, evaluated chatbots in the biomedical domain, and contributed to ontology-based semantic analysis systems. Developed AI-driven biomedical chatbots funded by Pfizer.

NLPBiomedical AIPythonChatbots

2020 — 2022

Ministry of Education, Greece

Physics Teacher — Secondary Education

Taught physics at secondary education level across Greek public schools.

PhysicsEducation

2018 — 2020

CIRI / AUTH, Thessaloniki

Project Manager & Scientific Researcher

WinPhoS research group. Developed and programmed automated processes for the characterisation of photonic integrated circuits. H2020 MASSTART project.

PhotonicsH2020Project ManagementPython automation

2017

ARCNL, Amsterdam

Master's Internship — HHG & EUV Science

Research at the Advanced Center for Nanolithography on High-Harmonic Generation and EUV Science. Led to a 2021 Scientific Reports publication.

HHGEUVUltrafast lasers

2017

AMOLF, Amsterdam

Research Internship — 3D Photovoltaics

Studied conductive properties of metal-organic materials using Conductive Atomic Force Microscopy (C-AFM).

C-AFMMaterials sciencePhotovoltaics
02Skills
💻

Programming

Python
SQL
MATLAB
LaTeX
🤖

AI & Data

NLP
MLOps
Data analysis
Ontologies
🔬

Lab & Science

PICs setups
Femtosecond lasers
C-AFM
Raman spectroscopy
⚙️

Scientific Software

COMSOL
OriginPro
DatLab
Wolfram Mathematica
🌍

Languages

Greek (native)
English (C2)
German (B1)
Russian (B1)
🤝

Soft Skills

Research writing
Project management
Team leadership
Problem solving
03Education

MSc Physics & Materials Technology

Aristotle University of Thessaloniki (AUTH)

GPA 8.03/10 · Thesis: Characterisation of Photonic Integrated Circuits

2020–2022

MSc Physics & Astronomy

UvA & Vrije Universiteit Amsterdam · Amsterdam Science Talent Scholar

GPA 7.03/10 · Track: Advanced Matter & Energy Physics

2018–2020

BSc in Physics

Aristotle University of Thessaloniki (AUTH)

GPA 7.51/10 · Thesis: Stability of amino acids via Raman spectroscopy

2014–2018
04Publications
2024

Intelligent Conversational Agent for Medical Information

Zeltsi, Alexandra, et al. · International Conference on Applications of Natural Language to Information Systems · Springer Nature Switzerland

2024

The Digital Platform and Its Emerging Role in Decentralized Clinical Trials

Copland, R.R., Hanke, S., Rogers, A., Mpaltadoros, L., Lazarou, I., Zeltsi, A., et al. · Journal of Medical Internet Research, 26, e47882

2021

Divergence and Efficiency Optimisation in Polarization Controlled Two-Color High Harmonic Generation

Roscam Abbing, S.D., Campi, F., Zeltsi, A., Smorenburg, P., & Kraus, P.M. · Scientific Reports, 11(1), 1–11

05Certifications

SQL for Data Science

University of California, Davis
Coursera · 2022

Python

EEA & Norway Grants
Innovation Norway · 2024

Programming with MATLAB

Vanderbilt University
Coursera · 2019–2020

Information Security

Priority Transformation Enable
2024

International IT Diploma (ECDL)

Cambridge — Word, Spreadsheets
Presentations · 2018

IELTS Academic — C2

British Council / University of Michigan
2019
06Contact
✉️

Email

azeltsi@gmail.com

💼

GitHub

github.com/azeltsi

🔗

LinkedIn

Alexandra Zeltsi

📍

Location

Thessaloniki, Greece

📞

Phone

+30 697 790 6876