Fredrik Holmqvist
Founder at Trygg-Hansa
Huddinge, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolFredrik Holmqvist is a founder and full-stack engineer with 16 years of experience building cloud-native platforms, APIs, and high-availability systems from consulting engagements to enterprise products. He has led teams and migrations to .NET Core, designed modular Azure infrastructure and NuGet packages, and operated Kubernetes-based API platforms for large insurers and gaming clients. Equally comfortable in backend systems and frontend frameworks like Angular and Vue, he focuses on reliability, performance and observability using open standards such as OpenTelemetry. An active open-source contributor, he works on low-level OS code in the notable Haiku project—tackling memory, ACPI and hardware integration—reflecting rare expertise that spans from firmware-adjacent systems to cloud services. Based in Stockholm, he pairs pragmatic architecture decisions with hands-on development and mentoring.
16 years of coding experience
13 years of employment as a software developer
Application development, Application development at Nackademin yrkeshögskola
English, Swedish
Github Skills (9)
c1710
c1110
acpi10
operating-system10
power-management9
sys9
abstraction8
abstraction-layer8
embedded7
Programming languages (8)
Github contributions (5)
haiku/haiku
Oct 2009 - Jul 2022
The Haiku operating system. (Pull requests will be ignored; patches may be sent to https://review.haiku-os.org).
Role in this project:
Back-end Developer
Back-end DeveloperContributions:296 commits in 12 years 10 months
Contributions summary:Fredrik primarily worked on low-level system code within the Haiku operating system project. Their contributions involved fixing bugs related to memory management and various system functions. The user also adapted and integrated the ACPICA library for ACPI support, demonstrating a focus on hardware interaction and power management features. The work involved porting and optimizing code for stability and performance.
kernelhaiku-osoperating-systemhaikulinux
Innometrics/geoip-api-java
Jan 2015 - Jul 2021
Contributions:5 pushes in 6 years 7 months
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