Apollo Yahoo pipeline/Orchestration system/Data tool/Conversion Spark/Azure Devops

• Developed BI product with view, quota board and quota(trend, distribution, subscribe in some time range), help PM/Operation staff with their product's DAU, MAU, compare with the performance/figure/statistics last year, week-on-week(day-on-day) ratio, increase/decrease on a month-on-month basis;• Developed and maintained data product, add new features like support search, support questionnaire feedback query, support webpage see with different buried point combined.• Maintain internal EventBus(Kafka based tool for report buried point)

• Teaching Assistant of CS550(Computer Organization and Programming);• Grading students' assignments and quizzes.

• Established the mechanism to resolve the alert issues for the deleted or duplicated host classes, incorporated the feature with internal monitoring system to prevent hackers' operations, thus improved the whole system's reliability and security.• Built a warning feature on the monitoring system to highlight the illegal host classes when certain security rule is violated, integrated this feature with company's LDAP services.• Designed and developed the interactive architecture of the warning feature's frontend, provided thehighlighting effect and action button implementation using Backbonejs.• Reinforced the backend logic flow to improve the coverage of warnings, implemented the RESTful servicebackend by using Spring and Hibernate.• Designed the data models and created the schemas, utilized MySQL as the data storage.• Led the cooperations with other business units to identify and address technical issues, ensured the testing effort is reliable and trustworthy by adding new unit tests and integration tests.• Extracted business insights from requirements gathered from end-users, to provide further improvements on the feature's accessibility and flexibility.

• Learned the knowledge of warehouse management for SAP and being familiar with the work-flow order;• Learned some knowledge of ABAP language and database;