Yu Liu

About Yu Liu

Summary • 15 years of industrial experience in software development.• Strong technical background in designing, implementing, and operating large-scale, high-performance distributed systems, including data processing systems with cloud services & Spark• Multi-years experience working as tech lead, managing 8-30 people’s projects for multiple quarters, defining technical directions, enforcing architecture design standards, and driving operation improvement.• Strong skills in driving cross-functional communication, resolving cross-team conflicts and improving development procedures with customers and dependencies.• Successful in mentoring senior engineers and helping teams grow and learn.• Experienced in solving ambiguous problem space and building systems from scratch.Skills• Languages: Java(12+ years), SQL(10+ years), Python, UML, Golang, C++• Frameworks, services & DBs: Hadoop, Spark, Presto/Trino, Databricks, Delta Lake, Airflow, HDFS, YARN, Kafka, Hive, MySQL, Cassandra, Kubernetes, AWS (EKS, EMR, DynamoDB, S3), Terraform• Domain knowledge: Big Data Processing System for ML and Data Analytics, Data Warehouse, Data Lake, Lambda Architecture, Medallion Architecture, High Performance Distributed System, Web Service, Microservice, Cloud Computing (AWS), Relational Database & NoSQL Database

Experience

1. Principal Software Engineer

   Zillow

   Nov 2022 — Present · Seattle, WA, US

Education

• USTB

  BS, Computer Science and Technology

  2002 — 2006

• Illinois Institute of Technology

  Master, Computer Science

  2006 — 2008

Skills

• Oracle
• Tcp/Ip
• Apache Spark
• Apache Storm
• Java
• Mapreduce
• Jdbc
• Distributed Systems
• Yarn
• Sql
• Linux
• Hibernate
• Xml
• Rest
• Spring
• Hbase
• Python
• Cassandra
• Emr
• Hadoop
• Agile Methodologies
• Big Data Analytics
• Shell Scripting
• Soa
• Eclipse
• Uml
• Soap
• Spring Framework
• Web Services
• Html
• Amazon Web Services (Aws)