John Fossum
Senior Software Developer And Co-Founder at Kodeskalle
Trondheim, Trøndelag, Norway
Summary
👤
Senior🎓
Top SchoolJohn Fossum is a senior software developer and co-founder with 10+ years of experience designing high-performance backends and end-to-end systems from low-level IoT to cloud-native microservices. Holding an M.Sc. in Engineering Cybernetics, he specializes in event-driven architectures, event sourcing and CQRS, and brings hands-on expertise in Go, Rust, .NET, Java, Scala and Python. He balances pragmatic engineering with sustainable, maintainable code and has served as a consultant and architect for large clients like Siemens Energy and Equinor while co-founding Kodeskalle. Comfortable moving between embedded systems and distributed services, he often translates operational constraints into robust architecture choices. A proactive knowledge-sharer and team mentor, he pairs technical depth with a passion for outdoor endurance sports that mirrors his steady, long-term approach to problem solving.
10 years of coding experience
12 years of employment as a software developer
Bachelor, Automation Engineer, Bachelor, Automation Engineer at Sør-Trøndelag University College (HiST)Norwegian University of Science and Technology
Github Skills (45)
rust8
database8
react8
time-series8
datastore8
monitoring8
timeseries-database7
sdk7
scalable7
alibabacloud7
influxdb6
go6
analytics5
wikitext5
cloudevents5
Programming languages (7)
Github contributions (5)
jafossum/rpi-cluster
Oct 2020 - Jan 2022
Kubernetes on RaspberryPi cluster Training
Contributions:87 commits, 12 PRs, 56 pushes in 1 year 3 months
raspberry-pitrainingk8skubernetesraspberrypi
jafossum/HomeAssistantConfig
Aug 2017 - Nov 2022
Contributions:177 commits, 124 pushes, 5 branches in 5 years 3 months
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