Senior QA Engineer - Network Protocol Testing

ExpressVPN • singapore, singapore, Singapore • Posted June 16, 2026

Location singapore, singapore
Job Type Full-time
Category Quality Management
Posted June 16, 2026

We're looking for a Senior QA Engineer to lead test automation for Lightway , our modern, open-source VPN protocol built in Rust.

You’ll design and build automated testing frameworks that ensure the reliability, security, and performance of our VPN technology across Windows, macOS, Linux, iOS, and Android. Working closely with engineers and security specialists, you’ll help deliver a fast, secure, and seamless experience for millions of users.

What You’ll Do

  • Build and maintain automated test frameworks for the Lightway protocol.
  • Develop end-to-end tests covering connectivity, failover, performance, and real-world network conditions.
  • Design and execute security, scalability, and performance testing.
  • Integrate automated testing into CI/CD pipelines.
  • Collaborate with developers to improve quality, test coverage, and release confidence.
  • Drive continuous improvements in our testing strategy and inf...

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