Senior Quality Engineer (Test Automation & Release Assurance)

CMC-APAC PRIVATE LIMITED; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

CMC-APAC PRIVATE LIMITED is seeking a Quality Assurance professional to own the quality engineering strategy, test architecture, and release-readiness evidence across complex production systems.

You will design risk-based testing, build automation for API/UI/end-to-end testing, and embed quality gates within CI/CD pipelines to drive reliable software delivery.

Qualifications

• 3-5+ years of quality engineering, software testing, or test automation experience.
• Experience supporting complex production systems.
• Strong knowledge of API tests, UI automation, and end-to-end testing strategies.
• Comfortable working in audit-heavy, regulated environments.

Responsibilities

• Own quality engineering strategy, test architecture, quality gates and assurance planning.
• Establish traceable acceptance criteria and release-readiness evidence.
• Design and maintain risk-based testing approaches across multiple tech stacks.
• Build automation across unit, API, contract, component, integration, UI and end-to-end testing.

Skills

Quality engineering

Test automation

API testing

UI automation

End-to-end testing

Data validation

Tools

Playwright

Cypress

Selenium

REST-assured

Postman/Newman

JMeter

k6

Job description

Your Responsibilities

Quality Strategy & Governance

• Own quality engineering strategy, test architecture, quality gates and assurance planning.
• Establish traceable acceptance criteria and release-readiness evidence.

Test Design & Automation

• Design and maintain risk-based testing approaches.
• Build automation across: Unit testing, API testing, Contract testing, Component testing, Integration testing, UI testing, End-to-end testing.

Distributed & Event-Driven Validation

• Validate: Message ordering, Retry mechanisms, Duplicate handling, Timeout scenarios, Dependency degradation, Data reconciliation, Partial-failure recovery.

Simulation & Test Platforms

• Design simulators, stubs, test harnesses and representative datasets for external platforms and connected systems.

Integration & End-to-End Testing

• Lead validation activities across internally developed platforms, vendor solutions, cloud services and enterprise integrations.

Non-Functional Testing

• Design and execute testing for: Performance, Load, Scalability, Resilience, Failover, Backup & restore, Recovery, Security, Observability.

Data Quality Assurance

• Establish testing and controls for: Data completeness, Accuracy, Timeliness, Transformation integrity, Data lineage, Duplication checks.

CI/CD Quality Controls

• Embed automated testing and quality gates within CI/CD pipelines.
• Ensure traceability and clear release criteria.

Defect Management

• Lead defect triage, severity assessment and root-cause analysis.
• Drive corrective and preventive improvements.

Release Assurance

• Provide independent release recommendations based on risk, testing results, residual issues and operational readiness.

Stakeholder Collaboration

• Partner with product owners, infrastructure teams, cybersecurity stakeholders, engineers and vendors to drive quality throughout the delivery lifecycle.

Documentation & Reporting

• Maintain: Test strategy, Traceability matrix, Regression suites, Test data approaches, Environment requirements, Quality reports, Defect metrics, Release assessments, Handover documentation.

Required Qualifications

Experience

• 3-5+ years of quality engineering, software testing or test automation experience.
• Experience supporting complex production systems.

Technical Testing Skills

• Experience designing and implementing: API tests, Integration tests, UI automation, End-to-end automation.

Distributed System Testing

• Experience testing asynchronous and event-driven systems with eventual consistency and recovery scenarios.

Integration & Data Validation

• Experience validating: REST APIs, Messaging systems, Streaming platforms, Databases, Data-intensive workflows.

Test Environment Management

• Strong understanding of: Test data management, Service virtualization, Simulators, Mocks, Stubs.

Security Testing

• Working knowledge of: Authentication, Authorization, Input validation, Secrets handling, Dependency vulnerabilities, Remediation practices.

Vendor Quality Review

• Ability to assess vendor test evidence, identify coverage gaps and require corrective actions.

Communication

• Strong ability to communicate testing outcomes, quality risks and release recommendations.

Regulated Environments

• Comfortable working where auditability, traceability, data integrity and controlled release processes are essential.

Preferred Qualifications

• Experience with Playwright, Cypress, Selenium, REST-assured, Postman/Newman, JMeter, k6 or equivalent tools.
• Experience using AI-assisted tooling for test generation, maintenance and documentation.
• Testing, cloud or agile certifications are advantageous but not mandatory.