John Kozaris
Research Software Engineer II, ML Lead at Microsoft
Dublin, Ireland
Summary
👤
Senior🎓
Top SchoolJohn Kozaris is a Research Software Engineer II and ML Lead with 11 years of experience building production-grade machine learning systems, LLM orchestration, and real-time collaborative platforms. At Microsoft he invented and architected the Cognitive Memory Framework showcased in Satya Nadella’s Build 2024 keynote, led RAG and entity-extraction efforts with custom PyTorch models, and optimized multi-tenant vector indexing and Azure AI Search to meet EU/US privacy and scalability constraints. He has deep hands-on experience across backend (.NET, Java, Spring), cloud-native services (Azure Service Fabric, Cosmos DB, Azure OpenAI), and edge/embedded systems from his work on an ESA nanosatellite mission. Known for solving resource contention and orchestration challenges, he combines research rigor with pragmatic engineering to deliver resilient, high-throughput agentic AI systems. Based in Dublin, he brings a rare mix of academic grounding (MSc Informatics) and applied ML systems leadership that spans from on-board C++ image processing to large-scale distributed AI services.
11 years of coding experience
5 years of employment as a software developer
Master of Science - MS, Informatics, 9.19, Master of Science - MS, Informatics, 9.19 at Aristotle University of Thessaloniki (AUTH)Bachelor of Engineering - BE, Automation, 7.51, Bachelor of Engineering - BE, Automation, 7.51 at Alexander Technological Educational Institute of Thessaloniki
Greek, English, French
Github Skills (5)
client-library4
android-client4
connections3
android3
mqtt2
Programming languages (1)
Github contributions (5)
johnkozaris/MicroControl
Nov 2017 - Mar 2018
Contributions:20 pushes, 2 branches in 3 months
ZanKoz/Fitness_Elements
Mar 2018 - Jun 2018
Contributions:19 pushes, 1 branch, 1 issue in 2 months
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