Senior Test Automation Engineer WebDriverIO/Selenium, CI/CD

Helius Technologies Pte Ltd; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

Helius Technologies Pte Ltd in Singapore is seeking a Senior Automation Test Engineer to design and maintain scalable automation frameworks using WebDriverIO or Selenium, and to drive quality across web applications and APIs.

You will integrate test suites into CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI), collaborate with developers and product teams, and focus on robust, fast test automation and flaky test debugging.

Qualifications

• 3+ years of hands-on experience in software test automation using WebDriverIO or Selenium.
• Strong proficiency in programming languages such as Java, TypeScript, or Java.
• Solid understanding of Page Object Model (POM) design patterns and asynchronous programming (Promises/Async-Await).
• Experience with API testing (REST/GraphQL) and database validation.
• Proven track record of debugging flaky tests and optimizing execution speed.

Responsibilities

• Design, build, and maintain scalable automation frameworks from scratch using WebDriverIO or Selenium.
• Write clean, maintainable, and robust automated tests for web applications and APIs.
• Integrate test suites into CI/CD pipelines (GitHub Actions, Jenkins, or GitLab CI) for continuous testing.
• Collaborate with developers and product teams to define acceptance criteria and ensure high test coverage.
• Perform root cause analysis for test failures, triage bugs, and track them through resolution.

Skills

WebDriverIO

Selenium

Java

TypeScript

Tools

GitHub Actions

Jenkins

GitLab CI

Job description

Helius Technologies Pte Ltd in Singapore is seeking a Senior Automation Test Engineer to design and maintain scalable automation frameworks using WebDriverIO or Selenium, and to drive quality across web applications and APIs.

You will integrate test suites into CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI), collaborate with developers and product teams, and focus on robust, fast test automation and flaky test debugging.