Liudmila Kalina
Data Engineer
Belgrade, Central Serbia
Summary
👤
Senior🎓
Top SchoolLiudmila Kalina is a data engineer with nine years of professional experience and three years specifically building end-to-end ETL pipelines using Kafka, Airflow, Spark, and S3. She has hands-on experience parsing diverse and custom binary data formats from multiple providers, optimizing streaming and storage workflows for lower latency and resilience. Her work emphasizes robust data modeling, resumable processing, and reusable ETL extensions that simplify onboarding of new sources. She has improved performance of analytics code (pandas) by up to 50% and reduced memory footprints by fourfold, and automated reporting integrations with VictoriaMetrics. Based in Belgrade, she combines strong academic foundations in computer science with practical production engineering at companies like ITneris and Sotex Solutions. Colleagues would describe her as detail-oriented and pragmatic, able to translate messy input data into well-documented, scalable pipelines.
9 years of coding experience
3 years of employment as a software developer
Bachelor's degree, Computer Science, 4.8, Bachelor's degree, Computer Science, 4.8 at Московский Государственный Технический Университет им. Н.Э. Баумана (МГТУ)
Github Skills (6)
content-analysis8
wikipedia7
java5
whiteboard3
wikimedia1
wikidata1
Programming languages (2)
Github contributions (5)
wikimedia/abstract-wikipedia-data-science
Dec 2020 - Mar 2021
Repository for content analysis for that Abstract Wikipedia project
Contributions:16 reviews, 216 commits, 29 PRs in 3 months
content-analysiswikipedia
BugLight/whiteboard
Mar 2019 - Jun 2019
BMSTU Software engineering project.
Contributions:50 commits, 13 PRs, 17 pushes in 2 months
bmstuwhiteboardjavaengineering
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