Sebastian Holmin
Systemutvecklare at Mullvad VPN
Gothenburg, Sweden
Summary
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Rockstar🎓
Top SchoolSebastian Holmin is a systems-focused software engineer with 10 years of experience building performance-critical and embedded software, currently developing the Mullvad VPN client in Rust. He has designed asynchronous measurement engines and statistical analysis pipelines for embedded Linux devices at Bluetest and previously wrote highly parallel, low-level C for 5G base station L1 at Ericsson. With an MSc in Engineering Physics from Chalmers, his strengths lie at the intersection of numerical simulation, data analysis, and reliable low-level systems engineering. He consistently brings a disciplined, test-driven approach and has hands-on experience from requirement definition through field demonstrations. Colleagues describe him as organized, curious, and driven to learn new technologies while maintaining strong team relationships.
10 years of coding experience
2 years of employment as a software developer
Masterexamen, Civilingenjör, Teknisk Fysik, Masterexamen, Civilingenjör, Teknisk Fysik at Chalmers tekniska högskola
Stackoverflow
75reputation
932reached
0answers
3questions
Github Skills (75)
parser10
wireguard10
vpn10
vpn-client10
command-line-parser10
rust10
electron10
openvpn10
mobile10
nodejs10
userspace10
argument-parsing10
command-line10
sdk9
quantum-computing9
Programming languages (8)
Github contributions (5)
mullvad/gotatun
Jan 2025 - Jul 2026
Userspace WireGuard® Implementation in Rust
Contributions:1 release, 24 reviews, 12 PRs in 1 year 5 months
rustuserspacewireguard
Serock3/Master-Thesis-QEC-simulation
Jan 2021 - Dec 2021
This repository contains the code for simulating quantum error correction (QEC), primarily for the [[5,1,3]] code, using IBM's Qiskit. The project was in the form of a Master's thesis as well as a six-week continuation of the project.
Contributions:307 commits, 12 pushes, 1 branch in 10 months
error-correctionqiskitquantum-computingsimulationquantum-error-correction
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