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Senior Machine Learning Engineer with 5+ years of experience designing and deploying AI/ML systems across computer vision, NLP, and document intelligence. Led enterprise projects and built end-to-end solutions from data engineering to production deployment, including Generative AI/LLM platforms for large-scale technical and operational knowledge access.…

Pavlos Aquino -Ellul

AI Engineer, Data Scientist, Web Developer, +1

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Senior Machine Learning Engineer with 5+ years of experience designing and deploying AI/ML systems across computer vision, NLP, and document intelligence. Led enterprise projects and built end-to-end solutions from data engineering to production deployment, including Generative AI/LLM platforms for large-scale technical and operational knowledge access.…

Available to hire

Senior Machine Learning Engineer with 5+ years of experience designing and deploying AI/ML systems across computer vision, NLP, and document intelligence. Led enterprise projects and built end-to-end solutions from data engineering to production deployment, including Generative AI/LLM platforms for large-scale technical and operational knowledge access.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Beginner

Language

Greek, Modern

Fluent

English

Advanced

Portuguese

Advanced

Work Experience

Senior AI/ML Engineer & Team Leader at EY, Greece

October 1, 2024 - Present

Worked on enterprise AI use cases focused on advanced document processing, including digitalization, segmentation, and intelligent information extraction. Led Generative AI and LLM-based solutions, designing and implementing systems for knowledge access and automation. Built conversational AI platforms for the Oil & Gas industry for a large Saudi Arabia organization, enabling natural-language interaction with large-scale technical and operational data.

AI/ML Engineer & Team leader at Greek Ancestry, Greece

May 1, 2023 - October 1, 2024

Led end-to-end development of a high-performance OCR system for Greek historical documents, covering architecture, data collection, preprocessing, model training, and deployment. Designed and trained object detection and OCR models optimized for accuracy and scalability. Built and deployed Python-based OCR pipelines for large-scale production with continuous evaluation and improvement. Acted as technical lead for the OCR stack, driving research, prototyping, planning, and prioritization, and making key architectural and technical decisions.

AI/ML Engineer at University of Patras (Pfizer contract), Greece

September 1, 2022 - May 1, 2023

Led end-to-end development of an e-Auscultation AI use case as part of a prototype-to-product mobile health initiative. Designed and trained machine learning models to detect wheezes and crackles from audio streams, including dataset preparation and experimentation with 1D/2D time-series approaches. Deployed models on-device using TinyML with Kotlin and TensorFlow Lite constraints, and integrated e-Auscultation and cough detection into a single smartphone application with user-controlled start/stop. Built a backend API to securely collect inference results and store them in a database, with privacy-by-design (audio processed locally; only results transmitted).

Software Engineer (Full-Stack) at Knowledge Broadband Services, Patras, Greece

March 1, 2021 - August 1, 2022

Full-stack engineering for public Greek systems, including the General Electronic Commercial Registry (GECR) and One Stop Shop. Contributed to GECR version 2.0 (online). Delivered experience in teamwork and end-to-end programming, including reducing search time on a large-scale database from 30 seconds to 3–5 seconds.