Professional Experience
Software Engineer
Visa Inc, Singapore
- Redesigned performance engineering workflows end-to-end, cutting test execution time by 50% through automated pipelines and real-time data analysis — eliminating manual intervention entirely.
- Integrated AI-powered tooling (MCP servers, Cline) into daily engineering workflows, enabling automated environment debugging, cross-tool interoperability, and consistent execution across the team.
- Built and maintained automation frameworks in LoadRunner and custom scripting, reducing repetitive work and improving defect detection across multiple application surfaces.
- Designed and executed comprehensive performance validation plans, ensuring applications met stringent SLAs under realistic load conditions.
- Recognized internally for innovation-oriented work, particularly in applying GenAI to process improvement and developer productivity.
System Quality Assurance Engineer
Shopee, Singapore
- Led test planning and resource coordination across multiple workstreams, translating product requirements into structured test strategies.
- Performed grey-box and white-box testing across APIs and system integrations, requiring deep understanding of service architecture and inter-component dependencies.
- Collaborated closely with engineering and product stakeholders to align testing scope with delivery timelines and risk tolerance.
Software Test Engineer → QA Lead (Mobile)
ADDX, Singapore
- Led mobile app QA end-to-end — from test design and execution to defect management and release sign-off for major features including trading and crypto wallet.
- Authored 500+ test cases across multiple feature releases, maintaining quality standards through iterative development cycles.
- Collaborated with product stakeholders to provide accurate effort estimates, directly influencing project planning and sprint commitments.
Freelance Full-Stack Engineer
- Delivered a complete website for a solar start-up — from requirements gathering through deployment on AWS (Amplify, Lambda, API Gateway, Route 53).
- Integrated Google Sheets and Drive APIs for client-managed content updates, removing the need for a CMS.
- Managed the project end-to-end: technical architecture, client communication, design input, and operational setup including custom domain and email.
