Dimitris Tzivakis
Lead Ai Engineer at Rollstack
Greece
Summary
👤
Senior🎓
Top SchoolDimitris Tzivakis is a Lead AI Engineer with 8 years of experience building scalable Big Data architectures, MLOps pipelines, and production-grade ML systems across startups and enterprise environments. Currently at Rollstack he leads multimodal insight generation and document retrieval pipelines that combine LlamaIndex and OpenAI LLMs to automate slide-deck creation and generate context-aware, data-driven presentations. Previously he architected model lifecycle, CI/CD, and monitoring solutions at Aisera and led data-heavy IoT and maritime analytics platforms at METIS, processing billions of records monthly. He blends hands-on engineering in Spark, Kafka, Delta Lake, and Kubernetes with product-focused integration to ensure AI features deliver measurable business impact. Notably, he pairs advanced prompt evaluation tooling and LLM inference tracing with pragmatic data engineering—an uncommon mix that accelerates deployment without sacrificing observability.
8 years of coding experience
5 years of employment as a software developer
Computer Engineering and Informatics, Computer Engineering and Informatics at University of PatrasEngineer's degree, Computer Software Engineering, Engineer's degree, Computer Software Engineering at National Technical University of Athens
Greek, English
Stackoverflow
21reputation
154reached
0answers
1question
Github Skills (6)
pyspark6
py4j6
python6
scala6
react3
typescript2
Programming languages (1)
Github contributions (5)
GeneralMcPaws/poe_price_predictor
Apr 2019 - Apr 2019
Contributions:8 commits, 6 pushes, 1 branch in 2 days
GeneralMcPaws/Fox_Goose
Apr 2019 - Apr 2019
Contributions:7 pushes, 1 branch in 4 days
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