Development Engineer Quality Assurance

Raissa Zhang

Senior Development Engineer in Test

Redmond, Washington •***********.****.*@*****.***• 206-***-**** Professional Summary

● Senior Development Engineer in Testwith12+ yearsof expertisein quality assurance, test automation, and QA strategy, excelling inPython, Java, Selenium, and Agile methodologies.

● Proven track record ofleading large-scale, cross-functionalprojectsand delivering high-quality software products acrossconsumer electronics and software platforms.

● Extensive experience intest planning, test design,execution, and automation, with a focus onperformance, stress testing, and debuggingacrossPlatform, PC, and mobile components.

● Strong background inimplementing and scaling QA processes,improving engineering efficiency, and drivingquality metricsacross high-profile tech companies likeTikTok, Baidu, Meituan, Bybit, andOkex.

● Skilled inCI/CD integration,test automation frameworks,andAI-driven test strategies, with a commitment to enhancing testingefficiencies and reducing manual effort by up to50%.

Skills

● Testing Tools: Jira, Postman, Git, JMeter, Jenkins,Selenium WebDriver, Cypress, Playwright, Appium, Cucumber, SpringBoot

● Testing Methods: Manual Testing, API Testing, RegressionTesting, Performance Testing, Stress Testing, UAT Testing, Black Box & White Box Testing

● Testing Methodologies: Agile Testing, Waterfall, TDD,BDD, CI/CD, Test Case Design

● Programming Languages: Python, Java, JavaScript, C/C++,MySQL

● Platforms & Tools: Windows, Linux, MacOS, Kubernetes,Docker, AWS, Azure DevOps

● Soft Skills: Results-Driven, Collaboration & Teamwork,Strategic Problem-Solving, Attention to Detail, Initiative & Proactiveness

Employment History

TsingCloud • Beijing China

Senior Development Engineer in Test • 11/2023 – 11/2024

● Acquired in-depth knowledge of autonomous driving systems, including core map and perception algorithms, and applied this knowledge to improve testing strategies.

● Streamlined test processes by developingPython-based testing tools, reducing testing time by20%.

TikTok • Singapore

Senior Development Engineer in Test • 02/2023 – 08/2023

● Ledtest strategy development, including test planning,design, and execution for large-scale projects, ensuring high-quality delivery acrossmultiple platforms.

● Built and maintainedregression test suites, improvingtest coverage and efficiency through automation, reducing manual effort by30%.

● ImplementedCI/CD pipelinesto automate testing processes, enhancing scalability and reliability.

● Collaborated with cross-functional teams todebug andresolve defects, ensuring seamless user experiences.

Bybit • Singapore

Principal Test Development Engineer • 04/2022 – 12/2022

● Ledend-to-end testingfor the BSP project, achieving100% interface coverage and delivering the project withzero critical bugsin production.

● Developed60+ API automation test cases, improvingsystem reliability and reducing manual testing effort.

● Introducednew QA methodsand tools, enhancingonlinequality inspectionand team efficiency.

Okex • Beijing, China

Quality Assurance Lead • 07/2021 – 04/2022

● Led a team of 7 to deliver high-qualityrisk controlfeatures, improving system stability and performance.

● Developed aSpring Boot test platform, boosting testefficiency by70%and automation stability from20% to 90%.

Meituan • Beijing, China

Quality Assurance Manager • 09/2016 – 07/2021

● Built and scaled the QA team from3 to 20+ members, improving team productivity and reducing the developer-to-QA ratio from1:3 to 1:5.

● Implemented anAPI automation framework, creating4000+ regression test caseswith100% interface coverageand60% code coverage,reducing manual effort by40%.

● Ledlarge-scale projectsacross multiple teams, defining effective test plans and ensuring on-time delivery with high-quality standards.

● Introducednew test technologies(e.g., mock tools, Diffy tools, traffic replay tools) to enhance automation and test coverage.

Baidu • Beijing, China

Software Development Engineer in Test • 05/2015 – 09/2016

● Designed and executed200-300 API and end-to-end automationtest cases, improving testing efficiency and coverage.

● EarnedGood Coder Certificate in Python, showcasingtechnical proficiency and commitment to quality.

Education

Master’s Degree in Computer Science Technology

Beijing University of Chemical Technology • 09/2010 – 07/2013

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