Senior Test Automation Engineer - UI/API/Contract, CI/CD

Optimum Solutions Pte Ltd; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Optimum Solutions Pte Ltd is seeking an experienced QA/Automation Engineer to own and execute end-to-end automation strategies across UI, API, and performance tests. You will implement modular page/object models, data builders, and CI/CD-integrated test pipelines to ensure robust coverage and fast feedback.

You will drive test automation efforts with Selenium and Playwright, work within Agile/Scrum and DevOps practices, and collaborate with cross-functional teams to optimize risk mitigation and

Qualifications

• 5–8 years of QA/testing experience.
• Hands-on expertise with Selenium and Playwright.
• Experience with CI/CD integration.
• API testing using Postman/REST Assured.
• Strong knowledge of performance and security testing concepts.
• Experience with cloud platforms (AWS) and Kubernetes for test environments.
• Strong problem-solving and communication skills.
• Excellent collaboration with cross-functional teams.

Skills

Automation testing

CI/CD integration

Agile/Scrum

Communication

Tools

Selenium

Playwright

Postman

REST Assured

JMeter

OWASP ZAP

AWS

Kubernetes

Job description

Optimum Solutions Pte Ltd is seeking an experienced QA/Automation Engineer to own and execute end-to-end automation strategies across UI, API, and performance tests. You will implement modular page/object models, data builders, and CI/CD-integrated test pipelines to ensure robust coverage and fast feedback.

You will drive test automation efforts with Selenium and Playwright, work within Agile/Scrum and DevOps practices, and collaborate with cross-functional teams to optimize risk mitigation and