Pengyu Tang

About Pengyu Tang

Senior Software Engineer with 9 years of experience, specializing in the development and implementation of robust software solutions. Demonstrated leadership in overseeing successful cloud architecture, API development, and creation of scalable data pipelines. Proven ability to mentor junior engineers and facilitate cross-functional team collaborations. Committed to leveraging technical expertise and strategic thinking to drive operational improvements and achieve team objectives.

Experience

1. Software Engineer

   Expedia Group

   Mar 2017 — Present · Seattle, WA, US

   Platform Architecture: Architect and led the development of a robust Tax Data Platform leveraging AWS Cloud and containerization technologies. Directed a team of 3 engineers in establishing infrastructure, enabling automated, scalable, and high-performance data pipelines tailored to meet diverse business cases.TransactionGap feature: Designed and implemented a critical auditing system which aimed at eliminating data inconsistencies in legacypipelines and ensuring zero financial loss for Expedia. Managed a team of 4 engineers to develop a seamless UI using React and GraphQL.Architected the backend services utilizing gRPC, Kotlin, and MongoDB, and orchestrated deployment via Kubernetes on AWS.Cloud Cost Saving: Led an organization-wide initiative that identified key areas for AWS cost reduction, resulting in a 34% cost reduction.Job Monitor Service: Spearheaded the end-to-end design and development of the innovative Job Monitor Service, revolutionizing daily operation workflows by creating a centralized platform. Architecting a robust backend powered by Java, GRPC, Redis, Kafka, and MongoDB.Tax Calculation Service: Engineered a high-traffic, multi-region service to support Expedia\'s e-commerce booking pathway. Utilized AWS, Spring Boot, Redis, and SQL Server to deliver a scalable and efficient solution.Features Development: Architect and executed compliance features using Scala, Spark Batch, Airflow, and Hive. Enabled seamless onboard of all U.S. transactions for compliance and tax filing through the platform.Tax Rule Validation Service: Designed and implemented validation service using Spring Boot and RESTful APIs. Streamlined international tax compliance, averting an estimated $10M in potential government fines.Cloud Migration: Played a pivotal role in migrating on-premise micro-services to AWS cloud. Implemented CI/CD pipelines using Jenkins, Spinnaker, and CloudFormation, and configured Docker and VPC settings, thereby enhancing system scalability.

Education

• South China Agricultural University

  Bachelor's degree, Computer Software Engineering

  2007 — 2011

• The University of Texas at Dallas

  Master of Science (MS), Computer Software Engineering

  2012 — 2014