GenAI Quality Engineer: End-to-End AI & API Testing

PERSOL Singapore; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

PERSOL Singapore is seeking a senior software quality engineer to drive end-to-end test strategy across UI, API and GenAI interfaces. The role requires coordinating testing across multiple layers and domains to ensure enterprise release readiness.

You will implement automated testing, analyze failures and collaborate with engineers, product owners and security teams to maintain high quality standards for complex systems.

Qualifications

• Bachelor degree with 6 years experience in software quality engineering.
• Strong experience testing web UIs, backend services and REST APIs.
• Hands-on ability with API tools and automation frameworks such as Postman, REST Assured, pytest, Playwright, Cypress, Selenium.

Responsibilities

• Define and execute end to end test strategies covering UI workflows, backend APIs, integrations and agentic interfaces.
• Test conversational and agentic behavior including multiturn context, tool selection, tool inputs/outputs and state transitions.
• Validate GenAI responses for task completion, grounding, relevance, consistency, citation behavior and safe failure.
• Perform functional, integration, regression, exploratory, negative, resilience and basic performance testing.
• Design API tests for contracts, authentication, authorization, validation, error handling, idempotency, rate limits and downstream failures.
• Test UI behavior across browsers and realistic user journeys, including loading states and clear error communication.
• Create and maintain test data, reusable test scenarios and traceable evidence for governance.
• Use logs, traces, payloads and observability tools to isolate defects across layers.
• Automate tests that reduce cycle time and production risk; exclude unstable or low-value scenarios.
• Communicate defects and quality risks clearly to engineers, product owners and security teams.

Skills

UI testing

REST API testing

Automation frameworks

Postman

Playwright

Selenium

Python

Java

Education

Bachelor Degree

Tools

Postman

REST Assured

pytest

Playwright

Cypress

Selenium

Job description

PERSOL Singapore is seeking a senior software quality engineer to drive end-to-end test strategy across UI, API and GenAI interfaces. The role requires coordinating testing across multiple layers and domains to ensure enterprise release readiness.

You will implement automated testing, analyze failures and collaborate with engineers, product owners and security teams to maintain high quality standards for complex systems.