Marcus Hammarberg
Agile Coach Technical Lead at Umain
Stockholm, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolMarcus Hammarberg is an experienced Agile coach and technical lead with 16+ years applying lean and agile principles to software delivery, developer education, and data-driven product work. With a Computer Science background from Stockholm University he started as a developer (C++, VB, C#, JavaScript) and evolved into a sought-after coach who has sped up releases, cut build times dramatically, and introduced trunk-based development across organizations. He’s authored two books, built curricula that trained 700+ developers at SALT, and led impactful lean transformations in contexts from Spotify and ICA to healthcare in Indonesia—work documented in The Bungsu Story. An active open-source contributor, Marcus has improved testing and deployment tooling (notably claudia.js and Pickles) and combines hands-on backend skills with a pragmatic focus on user value and rapid learning. Outside tech he’s a long-time Salvation Army volunteer and euphonium player, a hint at his teaching mindset and knack for bringing discipline and harmony to teams.
16 years of coding experience
Tumba GymnasiumBachelor Computer science, Bachelor Computer science at Stockholm University
English, Swedish, Indonesian
Stackoverflow
4,782reputation
330kreached
52answers
11questions
Github Skills (29)
javascript10
specflow10
nunit10
cucumber10
aws-lambda10
xunit10
amazon-dynamodb10
dynamodb10
aws10
api-gateway10
bdd10
dotnet-core10
serverless10
nodejs10
csharp10
Programming languages (10)
Github contributions (5)
picklesdoc/pickles
Feb 2013 - Feb 2017
The open source living documentation generator
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:23 commits, 1 PR, 1 comment in 4 years
Contributions summary:Marcus contributed significantly to the testing infrastructure of the project. They focused on writing and modifying test cases, specifically within the context of parsing and interpreting test results from various frameworks (NUnit, MsTest, xUnit). Their work included adding tests for scenario outlines and multiline text features, as well as fixing example scenarios, demonstrating their involvement in ensuring the project's functionality.
living-documentationdocumentation-generatorbddcucumberspecflow
x97mdr/pickles
Nov 2011 - Jan 2012
A documentation generator for features written in the Gherkin language
Role in this project:Back-end Developer
Back-end DeveloperContributions:28 commits in 2 months
Contributions summary:Marcus primarily contributed to the project by making minor tweaks and merging remote tracking branches. The changes include modifications to feature files, specifically in the context of SpecFlow tests. The code differences indicate adjustments to the project's configuration, versioning, and the addition of example features for the documentation generator. These updates suggest the user focused on maintaining and extending the project's core functionality.
documentation-generatorgherkingherkin-language
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