Marko Leljak
Lead Data Engineer
City of Varaždin, Croatia
Summary
👤
Senior🎓
Top SchoolMarko Leljak is a Lead Data Engineer with over a decade of experience building and operating large-scale analytics platforms across cloud providers (Azure, AWS, GCP). He designs end-to-end data architectures—Delta Lake, DBT modeling, Airflow/ADF pipelines—and has led migrations from on-prem to cloud while driving operational excellence and data quality. Hands-on in SQL tuning, batch and streaming ETL, and ML-informed forecasting, he pairs strong engineering with data science practice (Top 100 Kaggle, Expert) to turn prototypes into production. His background spans both software development and BI, giving him a rare full-lifecycle perspective from C#/.NET systems to modern data stacks and Kubernetes/Terraform-enabled deployments. Based in Varaždin, Croatia, he also explores blockchain engineering opportunities, reflecting a continual appetite for learning and cross-domain problem solving.
10 years of coding experience
13 years of employment as a software developer
Master's Degree Eng. of Mathematics Mathematical Statistics and Probability and Computer Science, Master's Degree Eng. of Mathematics Mathematical Statistics and Probability and Computer Science at University of Zagreb, Faculty of Science, Department of Mathematics
Croatian, English, German, Spanish, French
Stackoverflow
1reputation
0reached
0answers
0questions
Programming languages (1)
Github contributions (5)
mandelbrot/WingtipToys
Sep 2015 - Sep 2015
Contributions:2 PRs, 4 pushes in 1 day
asp-netaspwebformsasp-net-core
mandelbrot/asp-webforms
Sep 2015 - Sep 2015
Contributions:5 pushes, 1 branch in 1 day
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