Giorgos Zachariadis. AI Engineer at PwC Greece — 7+ agentic systems shipped to production using LangGraph and Azure AI. Specialising in multi-agent orchestration, RAG, LLMOps, and cloud-native MLOps.
At PwC Greece I design and ship production agentic systems end-to-end — from architecture to deployment. 7+ LangGraph-powered multi-agent pipelines live in production, with full LLMOps and MLOps practices: every run is traced, every model is versioned, every deployment is automated.
Continuing to build and expand PwC Greece’s AI product portfolio — scaling the hospitality and sustainability platforms and leading new product initiatives across sectors. Driving end-to-end delivery of agentic systems for international client engagements, architecting LangGraph pipelines with PostgreSQL state persistence and LiteLLM model routing. Full LLMOps observability via MLflow — LLM traces, token budgets, latency metrics, and model lineage tracked end-to-end. Supervising and mentoring junior AI engineers, setting technical standards for agentic development across the practice.
Designed and delivered PwC Greece’s AI products in the hospitality and ESG & sustainability sectors, end-to-end from zero to production. Architected a cloud-native ML orchestration platform with async execution, autoscaling, and experiment tracking. Implemented end-to-end ML pipelines on Microsoft Fabric with AutoML and model lifecycle management. Delivered scalable REST APIs following MLOps and DevOps best practices for public sector clients. Lead of the PwC Greece Python Community.
Sole Java Spring developer for the Energy Trading Unit. ETL pipelines and decision-making dashboards for 100+ users.
Agricultural optimization with scikit-learn & OpenCV for 250+ farmers. Crop damage prediction and logistics tooling.
Medical Image Captioning research using CNNs, RNNs, Transformers. Led ImageCLEFmedical Caption — 1st & 2nd place globally.
GenAI RAG agent for gym Q&A. NLP + retrieval architecture on Azure + Pinecone.
BSc thesis — 1st & 2nd at ImageCLEFmedical 2022. Medical image captioning with Transformers.
Obesity risk prediction with SHAP explainability. Live on Hugging Face Spaces.
Android app for basketball & football tournaments. MVP pattern, JUnit tested.
Athens University of Economics and Business
Oct 2018 – Oct 2022 · Grade: 8.15/10 (Top 4%)
Major: Artificial Intelligence & Data Systems
Member of the NLP Group
Basketball and the gym keep me sharp. The Keychron K2 gives me the satisfying clacks. Nights are for building AI agents and exploring what's possible next.