Technical Account Manager – Level 3
Twilio
AndroidCloudiOSJavaJavaScriptNode.jsPHPPythonReactReduxRuby
Senior QA Engineer, Network Protocols
VPN.Express Inc.
full-time
Posted on:
Location Type: Office
Location: Singapore • 🇸🇬 Singapore
Visit company websiteJob Level
Senior
Tech Stack
AndroidDNSiOSJUnitLinuxMacOSPythonRustSeleniumTCP/IP
About the role
- Design, develop, and maintain automated testing frameworks for the Lightway VPN protocol (Rust) across Windows, Linux, macOS, iOS, and Android
- Build and automate end-to-end test cases covering client-server interactions, encryption, connection stability, networking scenarios, failover handling, and performance under load
- Develop and execute security tests to assess vulnerabilities and validate encryption, authentication, and confidentiality
- Conduct performance and stress testing to validate scalability, stability, and resource usage; simulate high traffic and variable network conditions
- Integrate automated test suite into CI/CD pipeline to enable continuous testing with every code change
- Collaborate closely with the Rust development team to identify test coverage gaps and provide feedback on code quality and testability
- Create and maintain documentation on test strategy, test cases, results, and best practices; report test coverage, defects, and risks to stakeholders
- Continuously evaluate and improve test automation framework and stay up-to-date on testing tools and Rust-related techniques
Requirements
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience
- 5+ years of experience in Quality Assurance and Automated Testing of Network protocols
- Experience testing networking protocols (VPN, TCP/IP, DNS, HTTP/HTTPS)
- Proven experience with automated testing tools (e.g., Selenium, JUnit, TestNG, pytest, Rust-based testing frameworks)
- Familiarity with CI/CD pipelines and testing in an Agile environment
- Strong proficiency in scripting languages (e.g., Python, Bash)
- Deep understanding of networking technologies (e.g., VPNs, IPSec, TLS, HTTP/HTTPS)
- Experience with performance testing tools
- Familiarity with version control systems (e.g., Git)
- Experience with security testing practices and tools, including assessing encryption, authenticity, and confidentiality
- Strong problem-solving and analytical skills
- Excellent verbal and written communication skills
- Work authorization/visa notes: no EU visa sponsorship currently; Hong Kong requires at least two years’ work experience and a university degree; Singapore and the UK visas sponsored only for mid-career or above
Benefits
- Competitive salary
- Comprehensive benefits
- Flexible work schedules
- Remote work options
- Career growth opportunities
- Collaborative environment
- Opportunity to work on Lightway, an open-source VPN protocol built in Rust
ATS Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
Rustautomated testing frameworksend-to-end testingsecurity testingperformance testingscripting languagesnetworking protocolsautomated testing toolsCI/CDAgile
Soft skills
problem-solvinganalytical skillscommunication skills
Certifications
Bachelor’s degree in Computer ScienceBachelor’s degree in Engineering
Similar jobs on JobTailor
Product Manager, Workers KV and Hyperdrive
Cloudflare
DNSGoJavaScriptMySQLPostgresRDBMSRustSQLTypeScript
Senior Backend Developer
Cheerz.com
AndroidCloudDockerGoiOSJavaKotlinKubernetesPostgresReactRubyRuby on Rails+4 more
Sales Engineer
SOTI
AndroidAWSCloudDNSFirewallsiOSJavaLinuxMongoDBMS SQL ServerSQL
Senior Principal Software Engineer
Medtronic
AndroidBootstrapiOSJavaScript.NETOpen SourceTFS