Ads Model Production Services

• Ads Model Robustness Infrastructure

• Underserved Population Team

• Developed membership management tools for customer service agents to access and update membership status to better serve customers

• Migrate existing REST APIs for membership management to GraphQL

• End-to-end design and implementation for GraphQL endpoints and schemas

• Created membership management UI using Spring MVC architecture, and JavaScript

• Technologies used: Java, JavaScript, Spring Framework, GraphQL

• Implemented auto reward scheduling to reduce designer's time to manually update repeated rewards

• Migrated unit tests for all services to pytest and enable tests run in parallel to reduce test time by 40%

• Worked closely with community managers and designers and improved the internal panel tool for user management with Django and React JS

• Revamped the internal image exporter tool to speed up the process for designers to optimize and export images for different games by 70%

• Rebuilt the review prompt system to track players' feedback and deployed to production with a user base of over 80k daily active players

• Integrated the new review prompt system with an internal panel tool that gives designers control of the prompting behavior for AB Testing

• Technologies used: Python, Django, React JS, Pytest, MySQL

• Underserved Population Team

• Developed new payment features to support EBT(Electronic Benefit Transfer) cards

• Designed and implemented new REST API features on the payment method system that integrates with existing payment authentication services

• Organized multiple meetings with senior engineers on several external teams to discuss and iterate the design throughout the process

• Wrote unit tests and integration tests that achieved 88% test coverage

• Technologies used: Java, Scala, JavaScript, Spring Framework, JUnit with Mockito for testing