Test Engineer - Software (AI)

*For Singapore Applicants Only: PC Partner Technology Pte Limited will be prioritising applicants who have a current right to work in Singapore, and do not require PC Partner Technology Pte Limited's sponsorship of a visa. Position Summary We are looking for a Test Engineer - Software (AI) who will be responsible for ensuring the quality, reliability and performance of AI-driven software systems through structured test planning, execution and automation. This role works closely with cross-functional teams to validate AI system designs, identify issues early, improve testing efficiency and ensure AI-driven solutions meet project goals through effective technical execution and communication. Key Responsibilities Test Design & Coverage Design and maintain effective test plans and test cases based on product requirements and system architecture Identify critical test scenarios, edge cases and failure modes across functional, integration and performance layers Contribute to risk-based testing strategies to ensure optimal test coverage White-box & Developer Collaboration Work closely with developers to understand code design and contribute to unit and white-box testing Support developers in improving testability, code coverage and test design Review code and test implementations to ensure quality and maintainability Test Execution & Quality Assurance Execute end-to-end testing across APIs, application workflows and embedded systems Validate system performance, stability and reliability under different usage scenarios Investigate, reproduce and track defects; partner with engineers to drive timely resolution AI driven Software Solution Validation Design test inputs, prompts and datasets to evaluate AI system behaviour. Validate the outputs for accuracy, consistency and robustness using defined evaluation criteria. Perform regression and scenario-based testing to ensure stable model performance across releases. Test Automation & Tooling Develop and maintain automated tes…