Senior QA Engineer

Job Title:
Senior QA Engineer – Automated Testing (Lightway Protocol in Rust)
Location:
Singapore
Department:
Quality Assurance
Job Summary:
We are seeking an experienced
Senior Quality Assurance Engineer
to lead the development and implementation of
automated testing framework
for our
Lightway VPN protocol , which is implemented using
Rust . In this role, you will be responsible for ensuring the quality, performance, and security of both the
Lightway client and server
by building scalable and efficient automated tests. Your work will directly contribute to the quality of our VPN service and help ensure that our Lightway protocol is secure, reliable, and performant across different environments and network conditions.
Key Responsibilities:
Automated Testing Frameworks:
Design, develop, and maintain
automated testing frameworks
specifically for the
Lightway VPN protocol
built in
Rust
across multiple platforms (Windows, Linux, macOS, iOS, and Android). Ensure that automated tests cover all aspects of the protocol, including client-server interactions, encryption, connection stability, and performance.
End-to-End Automation:
Build and automate
end-to-end test cases
to validate the complete functionality of the Lightway VPN protocol. This includes creating tests for various networking scenarios, failover handling, and performance under load.
Security Testing:
Develop and execute
security tests
to assess potential vulnerabilities in the Lightway protocol. Ensure that encryption, authentication, and other security mechanisms are thoroughly validated and perform to the highest industry standards.
Performance Testing:
Conduct
performance and stress testing
to validate the protocol’s scalability, stability, and resource usage. Simulate high traffic loads, variable network conditions, and large-scale deployments to identify bottlenecks and optimize performance.
CI/CD Integration:
Integrate the automated test suite into our
CI/CD pipeline , enabling continuous testing with every code change. Ensure that testing is fully automated as part of the development and release process, reducing manual effort and improving release velocity.
Collaboration with Development Teams:
Collaborate closely with the Rust development team to understand protocol requirements, identify test coverage gaps, and ensure alignment with the product’s quality goals. Provide feedback and recommendations on code quality, testability, and design.
Documentation and Reporting:
Create and maintain detailed documentation on the test strategy, test cases, results, and best practices for automated testing. Regularly report test coverage, defects, and any risks or concerns to stakeholders.
Continuous Improvement:
Continuously evaluate and improve the test automation framework, ensuring it remains scalable and adaptable to future protocol enhancements or changes. Stay up-to-date on the latest testing tools, best practices, and Rust-related testing techniques.
Qualifications:
Education:
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent work experience.
Experience:
5+ years of experience in
Quality Assurance
and
Automated Testing of Network protocols .
Experience testing
networking protocols
(VPN, TCP/IP, DNS,
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.
Technical Skills:
Programming/Scripting languages:
Strong proficiency in scripting languages (e.g.,
Python ,
Bash ).
Deep understanding of
networking technologies
(e.g.,
VPNs ,
IPSec ,
TLS ,
).
Experience with
performance testing tools .
Familiarity with
version control systems
(e.g.,
Git ).
Security & Compliance Knowledge:
Experience with
security testing
practices and tools, including assessing
encryption ,
authenticity , and
confidentiality
in network protocols.
Problem-Solving & Analytical Skills:
Strong ability to analyze complex issues and design effective automated test solutions, especially for low-level networking and protocol implementations.
Communication Skills:
Excellent verbal and written communication skills to effectively report issues, write clear test documentation, and collaborate with development and management teams.
Key Competencies:
Attention to Detail:
High attention to detail, ensuring that all edge cases, security vulnerabilities, and performance bottlenecks are identified and addressed.
Collaboration & Teamwork:
Strong ability to work in a cross-functional environment with developers, product managers, and other teams to achieve shared goals and improve the product.
Critical Thinking:
Logical and analytical thinking with a focus on solving complex problems and optimizing testing approaches for a high-performance system like
Lightway .
Why Join Us?
Innovative Product:
Work on
Lightway , a cutting-edge, open-source VPN protocol built in
Rust , which focuses on speed, security, and reliability.
Career Growth:
As a key member of a fast-growing team, you'll have plenty of opportunities to learn, grow, and contribute to high-impact projects.
Collaborative Environment:
Join a talented team of developers, and security experts working together to improve the state of online privacy and security.
Competitive Compensation & Benefits:
Competitive salary, comprehensive benefits, flexible work schedules, and remote work options.
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