**Xingmin Bao**
Phone: 949-439-1876
Email: xingminb@gmail.com
Green card holder

### OBJECTIVE
Over 4+ years of engineering experience to innovate highly reliable distributed systems. Proficient in Java and Python programming languages, with expertise in microservice architecture, cloud computing, web application development, SQL and NoSQL, committed to solving complex problems and delivering exceptional user experiences.

### SKILLS
**Programming Languages:** Java, C++, Python, Scala, JavaScript, SQL, JSON/XML, SAS
**Frameworks:** Spring, Spring Boot, Cassandra, Hibernate, MySQL, Docker, Kubernetes, Kafka, Spark, Redis, Cosmos DB, Hadoop, MongoDB, Azure, AWS

### PROFESSIONAL EXPERIENCE

**Walmart Labs, Sunnyvale, CA**
*Software Engineer | Sep 2022 - Present*
- Develop and maintain ingestion services using Java 17, Kafka, Cosmos, Cassandra, Spring Boot, and Camel Route, processing millions of transaction messages per minute during the 2022/2023 holiday season.
- Contribute to the design and implementation of a project migrating billions of cross-table data entries using Python, Elasticsearch, Spark, Google Cloud Platform, Kafka, and Cassandra.
- Design and implement synchronous/asynchronous ingestion services using Kafka and Spring Boot, achieving 99.99% uptime and enhancing data retrieval accuracy.
- Rewrite the project using Java WebFlux Reactive technologies, reducing data query/write response time by 50% and API response time by 60%.
- Deploy domain comparison services for high-precision big data analysis, ensuring 99.9% comparison accuracy between legacy and new systems.
- Boost system health insights with Grafana and Splunk, reducing system errors by 30%.
- Redesign and optimize the core service ingestion pipeline, saving 40% in costs.

**TD Synnex Corp, Fremont, CA**
*Systems Engineer | July 2020 - Sep 2022*
- Overhauled the Warehouse Management System (WMS) from Java Swing/SQL to Microservices using Spring Boot, Hibernate, Redis, MySQL, and AWS, improving scalability by 80% and reducing maintenance costs by 30%.
- Developed web-based WMS applications using React, improving UI responsiveness by 40% and user satisfaction by 25%.
- Engineered a Hadoop SQL data warehouse and reporting pipeline, managing trillions of enterprise transaction data daily using Python and Azkaban.
- Redesigned Sync/Async services for upstream users, reducing system integration issues by 40% via RabbitMQ.
- Implemented cache solutions with Microsoft Analysis Services, achieving 90% faster response times in Power BI.
- Led end-to-end projects, boosting data utilization efficiency by 35%.

### EDUCATION
**Santa Clara University**
*Master of Science | 2018 - 2019*
Santa Clara, CA

**University of California, Irvine**
*Bachelor's Degree | 2013 - 2017*
Irvine, CA

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