Ads Infra Reporting

Ads Infra Measurement

Worked as a Backend Engineer in API team, extending features for developer platform used by Mastercard API users and admin console used by hundreds of internal service (API) owners• Migrated and modeled 30+ database entities from BrightSpot to Oracle with millions of rows of data• Migrated and re-implemented 20+ backend APIs in BrightSpot decommission efforts• Deep dive into 3rd party services to provide technical design for integration• Lead and drove cross-team collaboration for integration of 3 Mastercard internal services• Analyzed and fixed performance issues for various APIs, boost performance of p99 by 20% or more• Designed and built local dev environment with docker, removed stage dependency for the whole dev team• Analyzed and fixed memory leak in Spring test suite, reduced test time from 30 mins to 5 mins• Designed and implemented features end to end independently, led software development life cycle in agile• Tech Stack: Java, Kotlin, Spring, Docker, CloudFoundry, Jenkins, OpenAPI Specification, SQL, RESTful

Worked as a Backend Engineer, built the first version of company's product from ground up• Implemented Orderbook Aggregator collecting data from 20+ crypto exchanges in real-time• Implemented Order Executor, executing orders with best price from thousands of price levels in ms• Introduced and Implemented DevOps CI/CD pipeline for team to automate testing and deployment• Tech Stack: Java, Spring, Gitlab CI/CD, Websocket, Reactive Stream, Kafka, Redis, MySQL, RESTful

Worked as a Full-stack engineer intern extending functionalities for internal CRM platform• Collaborated closely with product owners to provide recommendation from technical side • Received return offer after internship completion• Tech Stack: Java, Spring, React, MySQL, RESTful

• Tutored students individually and in small groups for topics in algorithms and data structures.• Tutored students with basic programming languages usages in C and Java.