Kristian Sejersen
Lead Engineer at the LEGO Group
Billund, Region of Southern Denmark
Summary
👤
Senior🎓
Top SchoolKristian Sejersen is a Lead Engineer with a decade of hands-on experience designing and delivering cloud-native, event-driven systems at the LEGO Group. He evolved from student developer to tech lead, driving domain-driven architectures for LEGO.com/Kids and owning backend platforms built on .NET/C# and supporting web technologies. Based in Billund, Denmark, he blends practical engineering with product-minded leadership, shepherding search and customer-facing experiences at scale. His background spans mobile, POS, and device-management projects, reflecting a pragmatic appetite for cross-platform problem solving. Colleagues would describe him as quality-oriented and curious — someone who prefers impactful, well-architected solutions over quick fixes.
10 years of coding experience
9 years of employment as a software developer
AP, Computer Science, AP, Computer Science at Erhvervsakademi Aarhus | Business Academy AarhusMaster of Science (MSc), Web Communication & Web Architecture, Master of Science (MSc), Web Communication & Web Architecture at Syddansk Universitet / University of Southern DenmarkHigh School (STX), Mathematical (Matematisk Linje), High School (STX), Mathematical (Matematisk Linje) at Kolding Gymnasium
Danish, German, English
Stackoverflow
21reputation
228reached
0answers
1question
Github Skills (14)
java9
elasticsearch8
search-engine8
crossword7
restful7
procedural-generation6
csharp6
groovy6
rpg6
science5
opensearch5
space5
dotnet5
filtering1
Programming languages (3)
Github contributions (5)
kristianholmsejersen/EventEchidna.io
Sep 2018 - Jun 2021
Contributions:19 pushes, 1 branch in 2 years 9 months
kristianholmsejersen/Tamper-Scripts
Aug 2021 - Aug 2021
Contributions:5 pushes, 1 branch in 1 day
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