Marko Kljajic
Freelance at Freelance | Self Employed
Oslo, Norway
Summary
👤
Senior🎓
Top SchoolMarko Kljajic is a seasoned data engineer and cloud/DevOps practitioner with over a decade of hands-on experience building and automating data platforms across AWS, Azure and OpenStack. He combines deep expertise in IaC (Terraform, Ansible, CloudFormation, boto3) with big-data tooling (Hadoop, Spark, Kafka) and a background as an Oracle/Java developer, enabling pragmatic end-to-end solutions from ingestion to analytics. As a freelance engineer based in Oslo he has delivered cost-conscious cloud migration and FinOps-minded testing for genomics, banking-grade Snowflake integrations, and automation of industrial and academic data environments. He frequently architects reproducible infrastructure for data scientists—using Streamlit, JupyterHub, Parquet storage patterns and containerized services—to shorten time-to-insight. Notably, he has written Python libraries and tooling to simplify large-data movement and Snowflake external function creation, reflecting a preference for building developer-facing automation. His blend of legacy database experience and modern cloud-native patterns makes him effective at bridging enterprise constraints with scalable data engineering.
10 years of coding experience
12 years of employment as a software developer
Master Organizational Psychology and Leadership, Master Organizational Psychology and Leadership at BI Norwegian Business SchoolComputer Science, Computer Science at University of Ljubljana, Faculty of Computer and Information ScienceBachelor Computer Science, Bachelor Computer Science at University of Ljubljana
English, Norwegian, Slovenian, Serbian, Croatian
Github Skills (98)
plotly-dash10
python10
terraform10
flask10
data-exploration10
data-analytics10
data-viz10
superset10
azure10
data-visualization10
asf10
data-science10
warehouse10
apache10
analytics10
Programming languages (6)
Github contributions (5)
markokole/iac-consul-config
Aug 2018 - Dec 2019
Contributions:224 pushes in 1 year 3 months
markokole/iac-aws-spark
Mar 2019 - Dec 2019
Contributions:42 commits, 25 pushes, 1 branch in 9 months
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