Skills
Experience Level
Expert
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Expert
Expert
Expert
Expert
Expert
Intermediate
Language
English
Fluent
Greek, Modern
Fluent
Work Experience
Senior Data Scientist (FinTech) at Deel
January 1, 2023 - PresentDeveloped AI-powered features using LLMs and AI agents with AWS Bedrock and OpenAI to improve operations; summarized and analyzed ticketing issues, processed thousands of documents, and supported onboarding improvements. Led dockerized services and Snowflake integration; mentored new members; implemented anomaly detection for transactional data and fraud, reducing unpaid expenses. Built NLP systems to detect adverse media and established data pipelines.
Machine Learning Engineer / Co-Founder at Polyzoa.xyz (Blockchain)
May 1, 2024 - January 1, 2025Architected and developed ML models as core product; performed deep analysis of token descriptive data on the EVM network; supported full-stack data collection from multiple API providers and Telegram bot development; contributed to roadmap decisions reflecting client and investor needs.
Data Engineer at XM (Fintech)
April 1, 2022 - December 1, 2022Maintained MongoDB, optimized insertion scripts, and created single-view data representations. Built data pipelines from Elasticsearch to stream logs and introduced Airflow to manage workflows; moved pipelines into a unified environment and established a big data pipeline from the company site traffic to the ML data store.
Data Scientist at KPMG (Consulting)
May 1, 2021 - April 1, 2022Designed and built end-to-end, data-driven ML/AI solutions for large organizations globally; developed a Shinny app for pricing, demand forecasting, and other business areas; supported analytics initiatives across supply chain, retail, and shipping.
Lead Data Scientist / Owner at Keap Technologies (Freelance)
October 1, 2025 - PresentLead data science projects for fintech and business clients. Built Markov Decision Process and Reinforcement Learning models for retirement planning; deployed cloud-based ML infrastructure (MCP) interfacing with an RL retirement planner; performed Monte Carlo analysis on financial data with statistical testing and visualizations; conducted back-testing to track performance and optimize financial goals.
Data Scientist at Adventur (Fintech)
October 1, 2025 - PresentFreelance data science work for a fintech client, focusing on forecasting, optimization and automation workflows.
Senior / Lead Data Scientist at Deel (Fintech)
January 1, 2023 - September 1, 2025Developed end-to-end AI-powered features using LLMs and AI agents with AWS Bedrock and OpenAI to improve operations; summarized and analyzed knowledge-base content; engineered prompts for SQL processes; led Docker/API/Snowflake integration and cross-functional collaboration; mentored new team members and contributed to hiring.
Data Engineer at X M (Fintech)
April 1, 2022 - December 1, 2022Maintained MongoDB, optimized insert scripts to move large data volumes from various SQL databases; created MongoDB views; built pipelines from an Elasticsearch stack to stream log data for data science tasks; introduced Airflow; moved pipelines and production projects into the environment; delivered an Anomaly Detection Streamlit app to identify abnormal deposit behaviors by payment providers.
Education
MSc, Data Science and Analytics at Cardiff University
September 1, 2020 - September 1, 2021BSc, Applied Informatics at University of Macedonia Thessaloniki, Greece
September 1, 2016 - September 1, 2020M.Sc. in Data Science and Analytics at Cardiff University
September 1, 2020 - September 1, 2021B.Sc. in Applied Informatics at University of Macedonia
September 1, 2016 - September 1, 2020Qualifications
Industry Experience
Financial Services, Software & Internet, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
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Expert
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Expert
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Expert
Expert
Expert
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Expert
Expert
Expert
Intermediate
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