Fredrik Lönnblad
Developer at Zimpler
Gothenburg, Sweden
Summary
🤩
Rockstar🎓
Top SchoolFredrik Lönnblad is a pragmatic developer with 11 years of experience building backend systems, cloud platforms and IoT solutions, currently contributing at Zimpler from Gothenburg. He has held hands-on leadership roles including CTO and tech lead, blending system architecture, operations and product work to shepherd projects from prototyping to production. Fredrik is an active, practical open-source contributor — notably refactoring concurrency and JUnit timing in the popular godog Cucumber implementation for Go — which reflects his focus on clean, thread-safe code. Comfortable across infrastructure, backend and QA, he thrives on collaborative teams and continuous learning, often picking up new tools or languages to solve real-world problems.
11 years of coding experience
3 years of employment as a software developer
Computer Science and Engineering, Computer Science and Engineering at Chalmers University of Technology
Swedish, English
Github Skills (5)
junit10
go10
concurrency10
integration-testing9
testing8
Programming languages (6)
Github contributions (5)
cucumber/godog
Jan 2020 - Mar 2021
Cucumber for golang
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 8 reviews, 248 commits in 1 year 1 month
Contributions summary:Fredrik primarily focused on refactoring the codebase of the godog project. The main contribution was to refactor the `basfmt` and `junitFormatter` to support concurrency, introducing a `sync.Mutex` to ensure thread safety. Furthermore, the commits demonstrate the user's work on modifying the time calculations within the JUnit formatter. The changes involved several modifications, showcasing the user's expertise with the project's internal workings.
golanggherkinfunctional-testingbddcucumber
SKF/go-utility
Apr 2018 - Dec 2020
Contributions:24 releases, 31 reviews, 97 commits in 2 years 8 months
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