Lars Nielsen
Senior Software Engineering, Contractor DevOps at Udviklings- og Forenklingsstyrelsen
Copenhagen, Capital Region of Denmark
Summary
👤
Senior🎓
Top SchoolLars Nielsen is a seasoned Senior Software Engineer and DevOps contractor based in Copenhagen with over two decades of experience delivering build, deployment and test automation across UNIX/Linux and embedded systems. He has a deep hands-on background in CI/CD tooling (Jenkins, GitHub, Artifactory, SonarQube), cloud-native platforms (Kubernetes, OpenShift, Helm, Docker/Podman) and languages spanning Python, Java, C/C++ and Ada. Lars has led technical projects from PowerPC embedded toolchains to large-scale SOA and WebLogic deployments at enterprises like Maersk and IBM, and now drives DevOps and pipeline engineering for Danish government modernization efforts. An active open-source contributor, he modernized the jenkinsapi library for Python 3 and improved testing and security in the widely used Locust load-testing project. Known for quickly mastering new technologies, he blends systems architecture, automation and pragmatic operational experience to keep complex delivery pipelines reliable and maintainable.
14 years of coding experience
11 years of employment as a software developer
Master, Engineering, Master, Engineering at Danmarks Tekniske UniversitetHigh School, High School at Thisted Gymnasium
Danish, English, Chinese
Github Skills (18)
continuous-integration10
python10
testing10
http-request10
jenkins10
csv10
jenkins-ci10
scripting9
locust9
loadtest9
automation9
load-testing9
automations9
performance-testing8
devops8
Programming languages (10)
Github contributions (5)
locustio/locust
Jul 2020 - Mar 2021
Write scalable load tests in plain Python 🚗💨
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:4 PRs, 52 comments, 7 issues in 8 months
Contributions summary:Lars primarily contributed to the test suite of the Locust project. Their commits focused on enhancing the existing testing infrastructure, including adding tests for full history CSV downloads, verifying CSV header content, and ensuring proper handling of large CSV files. They also fixed a potential security vulnerability related to XSS in the web interface.
scalablestress-testingbenchmarkingpythonload-testing
pycontribs/jenkinsapi
Feb 2014 - Feb 2014
A Python API for accessing resources and configuring Hudson & Jenkins continuous-integration servers
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:6 commits in 1 day
Contributions summary:Lars primarily focused on updating the codebase to be compatible with Python 3, addressing errors and compatibility issues. They also modernized the code by integrating the `print()` function, which is a core Python function used for outputting values to the console. Furthermore, the user made several small changes, including code cleanup and the removal of legacy `iteritems` functionality. Their contributions also include changes related to the CI/CD pipeline or Jenkins server interaction.
jenkinsapiscriptingpythonjenkins-plugin
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