Senior QA Engineer - Network Protocol Testing

Back to all rolesSenior QA Engineer - Network Protocol TestingApplyJob detailsTeam / CoreVPNSingapore, Hong KongFull-timeWe'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 DoBuild 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 infrastructure.What We're Looking For5+ years of experience in QA, test automation, or software testing.Experience testing networking protocols such as VPN, TCP/IP, DNS, or HTTP/HTTPS.Strong scripting skills (Python preferred).Solid understanding of networking, security, and protocol testing.Experience with CI/CD environments and automated testing frameworks.Strong analytical, problem-solving, and communication skills.Why Join Us?Work on Lightway, a cutting-edge VPN protocol built in Rust.Solve complex networking and security challenges.Collaborate with a talented team of engineers and security experts.Flexible, remote-friendly work environment.Competitive compensation and benefits.#LI-NL1Upload your resume to autofill the applicationUploadFirst name *Last name *Email *Dial code *Phone number *LinkedIn profile *Please upload your resume as a PDF file *Click or drag file to uploadSupported file format: .PDF; Maximum file size: 10.49 MB; Maximum file: 1;Untitled sectionAre you currently based in the listed country of the role? *YesNoDo you require visa sponsorship to work in the location listed for the role? *YesNoWhat is your expected base compensation per month? *Your answerThis role is primarily office based and requires at least 4 days in the office per week. Are you comfortable with this arrangement? *YesNoDo you have extensive experience in networking and testing networking protocols? *YesNoAI disclaimerThis application process may use AI-enabled systems to support candidate evaluation based on factors such as experience, technical skills, and qualifications. All processing is carried out in accordance with applicable data protection, AI governance, and labour laws. Human oversight is maintained at all stages, and final hiring decisions are made by people. Personal data submitted as part of this application is not used to train AI models.ApplyApplyHire with