Søren Vrist
Principal Software Engineer at CSIS Security Group A/S
Copenhagen, Capital Region of Denmark
Summary
👤
Senior🎓
Top SchoolSøren Vrist is a Principal Software Engineer based in Copenhagen with 13 years of experience building and architecting secure, production-grade systems across security, privacy, and cloud platforms. He has progressed from hands-on development to leadership roles including Lead Architect, vCTO, and board membership at CSIS Security Group, driving product delivery for secure DNS, endpoint agents and intelligence platforms. Comfortable across Python, C#, Java and modern cloud tooling, he has led initiatives using Kubernetes, BigQuery, Kafka and AWS/GCP services to turn proofs-of-concept into deployed services. Søren pairs rigorous engineering and QA instincts—evident from his contributions refining AutoFixture tests—with a pragmatic focus on maintainability and incident management. He combines formal computer science training from the University of Copenhagen with a track record of mentoring teams and shaping architecture decisions in both consultancy and in-house product contexts. A detail-minded technologist, he often surfaces long-term quality improvements that reduce operational risk behind the scenes.
13 years of coding experience
17 years of employment as a software developer
Student Matematisk, Student Matematisk at Struer GymnasiumSøndbjerg EfterskoleCand.Scient Computer Science, Cand.Scient Computer Science at Københavns Universitet - University of CopenhagenNone IT Strategy and Managment, None IT Strategy and Managment at IT-Universitetet i København
Danish, English, German
Stackoverflow
1reputation
0reached
0answers
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Github Skills (13)
testing10
unit-testing10
asp-net10
net10
csharp10
autofixture10
dotnet-core10
xunit9
dotnet8
tdd8
test-data7
test-generator7
dotnet-new7
Programming languages (9)
Github contributions (5)
AutoFixture/AutoFixture
Mar 2013 - Apr 2013
AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.
Role in this project:
Back-end Developer & QA Engineer / Test Automation Engineer
Back-end Developer & QA Engineer / Test Automation EngineerContributions:9 commits in 13 days
Contributions summary:Søren primarily focused on refactoring and updating existing test code within the AutoFixture library. Their contributions involved addressing deprecated methods, updating comments, and ensuring tests covered both the original and the new `Create` methods. The changes include modifying several test files to incorporate tests for the deprecated methods, removing obsolete remarks, and adjusting various tests related to the core functionality of AutoFixture. These commits demonstrate a focus on maintaining and improving the testing infrastructure of the library.
goalunitmaintainabilitymaximizegraphs
sbv-csis/bigquery-emulator
Mar 2023 - Nov 2023
BigQuery emulator server implemented in Go
Contributions:1 push, 2 branches in 8 months
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