Ioannis Pastellas

IOANNIS PASTELLAS

I work on reinforcement learning and multi-agent systems. Research first, then I ship it.

ML EngineerResearcherBuilder

Most of my time goes into deep learning and reinforcement learning. I take ideas out of papers and turn them into systems that actually run.

Read the CV →

Experience

2021 – Present

Ubitech

Machine Learning Engineer

AI for EU-funded projects. Deploying on Kubernetes and cloud. Site Security Officer for the secure room at the Limassol office, security-cleared by the DSA of Cyprus.

2024 – 2025

Wargaming

Research Collaboration / RL

Offline Reinforcement Learning in World of Tanks, Off-Policy Evaluation.

2025

University of Cyprus

Teaching Assistant

Computational Neuroscience master course.

2020

AC Goldman

Data Scientist Intern

XAI (LIME, SHAP) Credit Scoring ML system.

Education

2022 – 2024

MSc in Artificial Intelligence

University of Cyprus

8.94 / 10

Deep Learning, NLP, Computer Vision, AI Ethics

2016 – 2021

BSc in Computer Science

University of Cyprus

8.32 / 10

Data Structures, Algorithms, Machine Learning, OS

Publications

Skills and tools

Programming Languages

Programming Languages

Python · Java · C · JavaScript

Machine Learning

Machine Learning

Huggingface · TensorFlow · PyTorch · OpenCV · CUDA · TorchRL · NLTK · SpaCy · Langchain

Databases

Databases

SQL · NoSQL · Hadoop · MongoDB · InfluxDB · ElasticSearch · Kafka

Cloud Platforms

Cloud Platforms

Amazon Web Services (AWS) · Google Cloud Platform (GCP)

Frameworks

Frameworks

Docker · Kubernetes · Django · Flask · FastAPI · Metasploit

Frontend

Frontend

HTML · CSS · JavaScript · ReactJS · ReactNative · NodeJS · Bootstrap