Senior Relay Systems Engineer (Go/Linux)

Mullvad VPN AB; Göteborgs kommun; Hybrid; SEK 750,000 - 900,000; Full time

Job summary

Mullvad VPN AB in Gothenburg invites a Senior Developer to join our Relay Software Team, building server software for Linux-based VPN relays.

You will work on Go-based services, contribute to security-focused networking features, and collaborate with a small, highly skilled team committed to privacy and open source software.

The role emphasizes clean design, robust testing, and performance optimization, with a hybrid work setup and a strong mission to keep mass surveillance impractical.

Qualifications

• Excellent written and spoken English and Swedish.
• Highly developed understanding of software design and all aspects of software implementation.
• Experience with building server software.
• Excellent understanding of networking fundamentals.
• Strong knowledge in at least one of C/Go/Rust.

Responsibilities

• Work on new and exciting technologies and greenfield projects.
• Using Go, design and implement robust server software for running on Linux.
• Author clean solutions that balance performance and resource usage.
• Perform measurements, testing and troubleshooting.
• Coordinate with stakeholders and developers in other departments.

Skills

Go

C

Rust

Linux

Networking

Software design

English

Swedish

Job description

Mullvad VPN AB in Gothenburg invites a Senior Developer to join our Relay Software Team, building server software for Linux-based VPN relays.

You will work on Go-based services, contribute to security-focused networking features, and collaborate with a small, highly skilled team committed to privacy and open source software.

The role emphasizes clean design, robust testing, and performance optimization, with a hybrid work setup and a strong mission to keep mass surveillance impractical.