Business Analyst / QA at Citi (Citigroup Services and Technology (China) Limited)

Backend server QA for trading/risk systems (EQRMS, LEOD). Translated functional requirements into test plans, test cases and automated test suites covering data correctness, reconciliation, and end-to-end flows. Performed data validation using KDB and SQL; traced data pipelines and KDB processes to identify discrepancies between live and EOD systems. Built and maintained automated regression and integration tests (Python + Java), including API tests (REST/JSON); integrated suites into CI (Teamcity) for nightly and pre-release runs. Implemented performance and stability tests with JMeter; defined SLAs and measured throughput/latency under load. Established a data quality control framework and monitoring (alerts, dashboards), improving MTM consistency from 90% to 99.8% and reducing population gaps from 8% to 0.3%. Automated release tracking and notifications with Python scripts (Jira/Email), saving 12+ hours/week. Agile delivery: acted as Product Owner / BA in Scrum; estimated test effo

Automation QA at GreenDot

Led cross-region QA using Scrum; designed and delivered an end-to-end automation framework (Java/Python) integrated with Jenkins; test result sync to TestRail for traceability. Web UI: Selenium/WebDriver + Cucumber (BDD); API: ReadyAPI/SoapUI for RESTful and SOAP service automation; contract and schema validation. Performance: JMeter plans for load/stress scenarios; integrated into CI for regression. Improved automated coverage by ~40% and shortened feedback cycles; automated flaky test detection and reporting. Created standardized daily QA dashboards and risk reports to accelerate issue triage and decision making.