Marcel-jan Krijgsman
Senior Data Engineer
Randstad, Netherlands
Summary
👤
Senior🎓
Top SchoolMarcel-jan Krijgsman is a Senior Data Engineer with 13 years in data roles and over 20 years of Oracle DBA expertise, now focused on architecting scalable, security-first data platforms and dimensional data models. He has led end-to-end warehouse modernizations and migrations—most recently delivering a next-gen data warehouse and accurate financial and customer analytics for MultiTankCard—while blending hands-on Python, Hive, NiFi and containerisation skills. A seasoned instructor and course developer, he co-created and taught a Certified Data Engineering Professional program covering Docker, Kubernetes, Hadoop and Elasticsearch, and built tooling for governance and observability in production environments. Marcel-jan combines deep database performance and security instincts with practical data engineering patterns, and is known for turning messy source systems into reliable, audit-ready datasets. Based in the Randstad (Netherlands), he brings a pragmatic, knowledge-sharing approach that consistently empowers product, finance and marketing teams with actionable insights.
13 years of coding experience
10 years of employment as a software developer
Ing., Analytical Process & Laboratory Instrumentation (APLI), Ing., Analytical Process & Laboratory Instrumentation (APLI) at Rotterdam University of Applied Sciences
English, Dutch
Stackoverflow
25reputation
2kreached
1answer
2questions
Github Skills (40)
command-line-interface8
kafka8
azure-cli8
spark8
hive7
cli7
azure7
csv6
sql-server6
presto6
command-line6
big-data6
metadata6
python6
carriage-return6
Programming languages (4)
Github contributions (5)
Marcel-Jan/StravaInky
Nov 2022 - Mar 2023
Contributions:18 commits, 16 pushes, 1 branch in 3 months
Marcel-Jan/oracle_performance
Feb 2013 - Mar 2018
Contributions:32 commits, 3 pushes in 5 years 1 month
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