Leonidas Constantinou is a Lead Machine Learning Engineer at CWT since April 2022, recognized for winning a company-wide hackathon by developing a GenAI and RAG-powered solution that enhanced sales efficiency. Leonidas has demonstrated leadership by guiding a cross-functional team in creating an AI-powered classification system and mentoring ML and Python Engineers. Prior roles include Senior Machine Learning Engineer at CWT, where significant achievements involved transforming customer support with an LLM-powered conversational AI and deploying an enterprise-grade RAG system. At TRUE, Leonidas architected a document similarity engine and advanced NLP pipelines. Experience extends to Tata Consultancy Services, where Leonidas developed ML solutions for the banking sector, and a trainee data scientist position at Knowledge Engineering Group. Leonidas holds a Master of Science in Data Science from the University of Sussex and a Bachelor of Science in Computer Science from the University of Brighton. Military experience includes serving as a Sergeant in the National Guard of Cyprus, where leadership and resource management skills were honed.
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