Quality Assurance Qa Engineer

QUYEN BUI

Fairfield, IA ***** 319-***-**** ad6o6u@r.postjobfree.com

https://www.linkedin.com/in/quyen-ba-bui/

QUALITY ASSURANCE ENGINEER

Seasoned QA Engineer with over 10 years of hands-on experience in both manual and automated testing. Expertise in analyzing requirements, designing test plans, creating test suites, and executing test cases in functional, regression, integration, and system testing across various business domains, including Online Payments, Enterprise, E-commerce, Insurance, and Auditing products. Proficient in designing, developing, maintaining, and executing automated test scripts for UI/API testing and performance testing using Java, Python, JavaScript, C#. Skilled in Selenium, Appium, Rest Assured, Jenkins, WebDriver, Robot Framework, Restful, Cucumber, Gherkin, SVN, Git, Docker, Jira, Confluence, and Postman.

Automation Testing Manual Testing Integration Testing A/B Testing Regression Testing System Testing CI/CD Acceptance Testing Object Oriented Programming SOLID Design Pattern KDD TDD BDD Web services

PROFESSIONAL EXPERIENCE

VNG CORPORATION, Ho Chi Minh, Vietnam 06/2022 – 10/2023

Company specializing in mobile payment applications, digital content, online entertainment, and e-commerce.

Senior QA Engineer: Performed automation and manual testing - enterprise SaaS software.

●Analyze the Cashier function in the payment system, design a detailed test plan, create 100+ comprehensive test cases, and execute functional, integration, regression, acceptance, and exploratory testing on the mobile application. Achieved a 90% defect detection rate, ensuring a bug-free experience before submission to the app store, leading to a 30% reduction in post-release issues.

●Automated test scenarios for mobile payment transactions between services in the microservices system for merchants, cashiers, and promotion services, using Rest-Assured in Java for API testing and Appium for Mobile UI testing.

●Developed performance test scripts for cashier payment and applied promotion using the K6 framework in JavaScript, ensuring the system can process up to 20k transactions smoothly.

●Implemented testing modules checking fee features for User Fee and Service Fee, using Rest-Assured and Appium frameworks in Java.

●Configured and deployed jobs on Jenkins to run nightly or weekly test suites, aiding in the early detection of bugs.

●Analyzed daily and weekly automation test reports using Jenkins and generated defect reports accordingly.

Technologies Used: Selenium, Appium, Rest-assured, CI Jenkins, Java, JavaScript

FPT Software, Ho Chi Minh, Vietnam 12/2021 – 06/2022

Global technology and IT services provider headquartered in Vietnam.

Senior QA Engineer: outsource for Cox Automotive Inc. (USA) project

●Built 20+ automation scenarios for adding, updating, deleting, and purchasing cars in a microservices system for buying and selling cars, utilizing the Rest-assured API Java framework. Achieved 95% test coverage, reducing manual testing efforts by 40% and identifying 85% of critical bugs before production release.

●Developed a module for the testing framework to enable integration with AWS S3, enhancing the framework's capability to cover more test cases.

●Designed and implemented test plans and test cases, resulting in a comprehensive testing framework and a 30% increase in test coverage. Executed integration testing between services, ensuring seamless interoperability and reducing system downtime by 20%.

Technologies Used: Selenium, Rest assured, Java, Ruby

AS WHITE GLOBAL, Ho Chi Minh, Vietnam 12/2018 – 11/2021

Australian company specializing in international staffing solutions and revolutionized the remote staffing industry.

Senior QA Engineer

●Conducted regression and system tests in every release to ensure that no major bugs leaked into production.

●Developed and executed comprehensive automation test scripts for new policies, claims creation, and updates; achieved 95% test coverage, cut manual testing by 50%, and accelerated release cycle by 30% using Robot Framework with Python KDD.

●Created a performance test script to evaluate the end-to-end insurance policy flow on the Neustar system using JavaScript to ensure the system can handle up to 2000 broker calls simultaneously while maintaining normal functionality.

●Deployed and configured (configuration management) test runs using CI Jenkins to facilitate daily and weekly job execution.

Technologies Used: Selenium, Rest assured, JavaScript, C#, Python, Robot Framework.

TITAN TECHNOLOGY CORPORATION, Ho Chi Minh, Viet Nam 05/2018 – 11/2018

Software outsourcing company in Vietnam.

Principle QA Engineer: Performed automation and manual testing.

●Conducted feature, regression, and system testing for auditing a web application, covering functionalities such as creating, updating, and deleting tasks, auditors, companies, and planning components.

●Created test scripts to evaluate the UI functionality of the web application using the Cucumber and Selenium Java framework, resulting in a 70% reduction in manual testing efforts per sprint.

Technologies Used: Java, Selenium

S3 CORP, Ho Chi Minh, Vietnam 07/2014 – 04/2018

Software development outsourcing service based in Ho Chi Minh, Vietnam.

Automation QA Engineer

●Applied over 50+ automated scenarios for adding to cart, favoriting products, purchasing products, and searching on a web application using Selenium Java and KDD (Keyword-Driven Development) technologies, ensuring 100% coverage of defined test cases and reducing manual testing time by 50%.

●Established 10+ new keywords for functional tasks such as search and viewing purchase history to enhance the KDD framework using Java, improving its accessibility for other testers and increasing testing efficiency by 40%.

Technologies Used: Java, Selenium, Rest Assured.

TMA Solutions, Ho Chi Minh, Vietnam 08/2012 – 04/2014

Software Engineer

Implemented automation testing.

Technologies Used: Java, SOAP UI, JMeter

SKILLS:

Languages: Java, Python, JavaScript, C#

Web: HTML, CSS, React

Web Services: RESTful

Frameworks: Selenium, Appium, Rest Assured, Robot, TestNG, JUnit, K6, Spring (MVC, Boot, Data, Security, Batch, Dependency Injection), Hibernate, JDBC, JMS, Kafka, SDLC, Agile, Scrum, Kanban, RabbitMQ.

Databases: MySQL, Postgres, MongoDB, SQL

Design Patterns: Singleton, Factory, Page Object Model

Tools: CI/CD, Eclipse, IntelliJ, Visual Studio Code, Maven, SVN, Git, Jenkins, Docker, Jira, Confluence, Docker, Postman, TestRail, Git version control, Bitbucket, Zephyr, iOS, Android.

CAREER NOTE: Completed on-campus studies and currently taking distance education courses to complete a Master’s Degree in Computer Science (Available for full-time, W-2 employment).

EDUCATION

Master of Science in Computer Science

(In progress via distance education; expected completion 06/2026)

Maharishi International University, Fairfield, Iowa

Key Courses: Algorithms, Web Application Development, Enterprise Architecture, Software Architecture, Cloud Computing.

Bachelor in Electronic and Telecommunication

University of Science, Ho Chi Minh city, Viet Nam

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