Jan Stepanovsky
Senior Platform Engineer
Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJan Stepanovsky is a Senior Platform Engineer based in Prague with 13 years of experience building and optimizing backend and frontend systems across startups and freelance projects. He blends hands-on work in PHP, Node.js, Java and modern JS frameworks with platform-level expertise in Kubernetes, Spark, Airflow, Nomad and Opensearch to deliver scalable, cost-effective infrastructure. At ID5.io he architected a custom data warehouse and managed multi-cluster environments to improve processing speed, observability and reliability. Previously as Lead Engineer at Tapdaq he scaled APIs and analytics pipelines, evolving SPAs from Angular to React and designing Big Data solutions with Kafka, BigQuery and Citus. He pairs pixel-perfect front-end craftsmanship (PSD-to-HTML, custom WordPress/Nette work) with pragmatic system design, often proposing product-facing improvements beyond pure implementation. Known for pushing current web technologies, he thrives at the intersection of creative UX collaboration and robust platform engineering.
13 years of coding experience
12 years of employment as a software developer
Bachelor’s Degree, Computer Science, Software Engineering, C, Bachelor’s Degree, Computer Science, Software Engineering, C at Czech Technical University in Prague, Faculty of Information TechnologyGraduation, Computer Engineering, Graduation, Computer Engineering at Industry Highschool Trebic - Technic Lyceum
English, Czech
Github Skills (200)
plotly-dash10
python10
etl10
automation10
mlops10
orchestration10
flask10
apache-airflow10
data-exploration10
data-engineering10
data-analytics10
data-viz10
scheduler10
dbt-packages10
superset10
Programming languages (7)
Github contributions (5)
hhhonzik/lightdash
Feb 2024 - Feb 2025
Open source BI for teams that move fast ⚡️
Contributions:57 pushes, 2 branches in 11 months
hhhonzik/markdown-it-relativelink
Oct 2015 - Oct 2020
Contributions:1 release, 15 commits, 1 PR in 5 years 1 month
markdownmarkdown-itmarkdown-parserparser
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