Senior Test Automation Engineer - CI/CD, API & Performance

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

Job summary

Optimum Solutions Pte Ltd in Singapore is seeking an experienced QA/Test Engineer to lead automation initiatives across UI, API, and contract testing, with CI/CD integration. The role requires hands-on expertise with Selenium and Playwright, strong CI/CD exposure, API testing, and a solid understanding of performance and security testing in cloud-native environments.

You will collaborate with cross-functional teams, promote testing best practices, and drive continuous improvement through

Qualifications

• 5-8 years in QA/testing
• Hands on expertise with Selenium and Playwright
• Strong exposure to CI/CD integration
• API testing (Postman/REST Assured)
• Strong grasp of Agile/Scrum, DevOps, and shift left practices (BDD/TDD, contract testing).
• Strong knowledge of performance and security testing concepts and tools (JMeter/k6, OWASP ZAP)
• Experience with cloud platforms (preferably AWS) and container orchestration (Kubernetes) for test environment management
• Solid understanding of software testing principles, methodologies, and best practices
• Excellent problem-solving skills and attention to detail
• Effective communication skills with the ability to collaborate and coordinate with cross-functional teams
• Self-motivated with a passion for continuous learning and improvement

Responsibilities

• Own end-to-end automation strategy: UI, API, contract, component, and smoke/regression suites integrated into CI/CD
• Ensure maintainable frameworks, coding standards, and code reviews; champion modular page/object models, data builders, and parallelization
• Ability to define and achieve comprehensive test coverage across functional, non-functional, and automation layers to ensure quality and risk mitigation
• Plan and execute performance, scalability, resilience, and security testing; collaborate with engineering on tuning and hardening
• Define SLO aligned test goals (latency, throughput, error rate) and bake checks into pipelines

Skills

Selenium

Playwright

CI/CD

Postman

REST Assured

Agile/Scrum

DevOps

BDD/TDD

Contract testing

Performance testing

Security testing

AWS

Kubernetes

Testing principles

Tools

JMeter

k6

OWASP ZAP

Postman

REST Assured

Cloud AWS

Kubernetes

Job description

Optimum Solutions Pte Ltd in Singapore is seeking an experienced QA/Test Engineer to lead automation initiatives across UI, API, and contract testing, with CI/CD integration. The role requires hands-on expertise with Selenium and Playwright, strong CI/CD exposure, API testing, and a solid understanding of performance and security testing in cloud-native environments.

You will collaborate with cross-functional teams, promote testing best practices, and drive continuous improvement through