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I'm a results-driven QA Automation Engineer with more than 7 years of experience in quality assurance, specializing in manual and automation testing for web, mobile, and API across finance, banking, and e-commerce. I am proficient in Java, TypeScript, Selenium, Cypress, WebDriverIO, and CodeceptJS, and I have led QA teams of up to 15 members, built CI/CD pipelines with Jenkins, and conducted performance testing with JMeter and K6. I have collaborated with international clients (US, Japan, Australia, Thailand) and I actively apply Generative AI and AI agent technologies to accelerate test design, execution, and maintenance. I enjoy mentoring teams, driving cross-functional quality improvements, and exploring AI-assisted testing approaches such as self-healing locators and intelligent test generation to boost efficiency and accuracy.…I'm a results-driven QA Automation Engineer with more than 7 years of experience in quality assurance, specializing in manual and automation testing for web, mobile, and API across finance, banking, and e-commerce. I am proficient in Java, TypeScript, Selenium, Cypress, WebDriverIO, and CodeceptJS, and I have led QA teams of up to 15 members, built CI/CD pipelines with Jenkins, and conducted performance testing with JMeter and K6. I have collaborated with international clients (US, Japan, Australia, Thailand) and I actively apply Generative AI and AI agent technologies to accelerate test design, execution, and maintenance. I enjoy mentoring teams, driving cross-functional quality improvements, and exploring AI-assisted testing approaches such as self-healing locators and intelligent test generation to boost efficiency and accuracy.

Cao Hong Hai

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I'm a results-driven QA Automation Engineer with more than 7 years of experience in quality assurance, specializing in manual and automation testing for web, mobile, and API across finance, banking, and e-commerce. I am proficient in Java, TypeScript, Selenium, Cypress, WebDriverIO, and CodeceptJS, and I have led QA teams of up to 15 members, built CI/CD pipelines with Jenkins, and conducted performance testing with JMeter and K6. I have collaborated with international clients (US, Japan, Australia, Thailand) and I actively apply Generative AI and AI agent technologies to accelerate test design, execution, and maintenance. I enjoy mentoring teams, driving cross-functional quality improvements, and exploring AI-assisted testing approaches such as self-healing locators and intelligent test generation to boost efficiency and accuracy.…I'm a results-driven QA Automation Engineer with more than 7 years of experience in quality assurance, specializing in manual and automation testing for web, mobile, and API across finance, banking, and e-commerce. I am proficient in Java, TypeScript, Selenium, Cypress, WebDriverIO, and CodeceptJS, and I have led QA teams of up to 15 members, built CI/CD pipelines with Jenkins, and conducted performance testing with JMeter and K6. I have collaborated with international clients (US, Japan, Australia, Thailand) and I actively apply Generative AI and AI agent technologies to accelerate test design, execution, and maintenance. I enjoy mentoring teams, driving cross-functional quality improvements, and exploring AI-assisted testing approaches such as self-healing locators and intelligent test generation to boost efficiency and accuracy.

Available to hire

I’m a results-driven QA Automation Engineer with more than 7 years of experience in quality assurance, specializing in manual and automation testing for web, mobile, and API across finance, banking, and e-commerce. I am proficient in Java, TypeScript, Selenium, Cypress, WebDriverIO, and CodeceptJS, and I have led QA teams of up to 15 members, built CI/CD pipelines with Jenkins, and conducted performance testing with JMeter and K6. I have collaborated with international clients (US, Japan, Australia, Thailand) and I actively apply Generative AI and AI agent technologies to accelerate test design, execution, and maintenance.

I enjoy mentoring teams, driving cross-functional quality improvements, and exploring AI-assisted testing approaches such as self-healing locators and intelligent test generation to boost efficiency and accuracy.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Language

Vietnamese

Fluent

English

Intermediate

Japanese

Intermediate

Work Experience

Senior Automation QA Engineer at Introlligent

August 1, 2024 - Present

Designed and implemented robust automation test scripts using Playwright; collaborated with cross-functional teams to analyze requirements and review manual cases for completeness and accuracy; delivered comprehensive test reports; supported defect triage and root cause analysis; leveraged internal AI Agents to perform web automation tasks autonomously; pioneered AI-assisted test maintenance with self-healing locators.

Automation Lead at Vietcap Securities Joint Stock Company

February 1, 2024 - September 1, 2024

Led automation testing for stock trading platforms, managing a team of 9 QA engineers; designed test plans and allocated tasks, achieving 80% test coverage across UI, API, and mobile; built and optimized Jenkins CI/CD pipelines, reducing test execution time by 30%; developed automation scripts using CodeceptJS (+ Playwright) and Java + Selenium + Cucumber (Serenity, Karate); conducted performance testing with JMeter and K6; trained 5 new team members, improving efficiency by 20%.

Senior Automation QA Engineer at CMC Global

February 1, 2023 - February 1, 2024

Developed automation test scripts for Salesforce-based banking CRM using Java + Selenium + RestAssured + Cucumber; analyzed requirements and reviewed manual test cases, automating 80% of critical test scenarios; participated in Scrum events; reduced bug leakage by 15% through rigorous API and UI testing.

QA Team Leader at CMC Global

September 1, 2022 - February 1, 2023

Managed 5 Scrum teams (15 testers) for financial statement applications, ensuring 95% test coverage; created and executed test cases using Java + Selenium + RestAssured + Cucumber; improved test efficiency by implementing Gondola framework (TypeScript + Appium) for mobile testing; delivered detailed test reports to clients, reducing feedback cycles by 25%.

QA Automation Engineer at CMC Global

February 1, 2022 - September 1, 2022

Automated test scripts for Robinhood Taxi Car mobile app using Gondola (TypeScript + Appium); conducted API testing, identifying and resolving critical defects; evaluated project risks and progress based on the total number of bugs; supported requirement analysis and SRS documentation for clear stakeholder communication.

QA Team Leader & Scrum Master at FPT Software

February 1, 2021 - February 1, 2022

Led a team of 5 QA engineers and acted as Scrum Master for Salesforce-based automotive finance projects; automated UI and API testing using Java + Selenium + RestAssured, achieving 90% automation coverage; resolved team impediments and facilitated Scrum events, improving sprint delivery by 15%; managed tasks and bugs via Rally, ensuring timely project milestones.

QA Team Leader / Automation Tester / Manual Tester at Logigear

September 1, 2018 - February 1, 2021

Designed test plans and automated test cases using Katalon and Gondola (TypeScript + Appium); translated Japanese-English documents to improve client communication; automated mobile app testing for Sharp-CN; developed automation scripts with TestArchitect for Halliburton Windows app; performed manual testing for CP-World Market & SecureDoc (US) and reported bugs via Jira/Azure DevOps.