Zheming Liu
SAN JOSE,CA
Summary
3+ years experienced software engineer, strong knowledge on Software Development Life Cycle SDLC using various methodologies like Agile/Scrum.
Overview
4
4
years of professional experience
Work History
Software Engineer
Amazon Prime Products
09.2022 - Current
- Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance.
- Updated old code bases to modern development standards, improving functionality.
- Integrated third-party tools and components into applications.
- Tested methodology with writing and execution of test plans, debugging and testing scripts and tools.
Software Engineer
ARUBA- A Hewlett Packard Enterprise
02.2020 - 08.2022
- Testing Automation, Designed & Implemented highly-scalable back-end components that support 200K+ devices the same time and process million+ entries of times-serials data per hour via Spring Boot
- Lead in development of distributed computing system utilizing Spark Cassandra connector to loadB+ data from NoSQL DB for hourly aggregation to support advanced customer feature
- Redesigned mission-critical microservices with extreme complex business logic which cut resources cost by half, also robust hence achieve high availability with minimal downtime
- Developed the internal API used by 5+ external teams, Coordinate with all the teams for functional requirements and ensure compliance to all architecture standards
- Implemented continuous test/build/deploy(CI/CD) system using Jenkins to support releases cycle, incorporated unit/integration testing, coverity sanity scan, trivy vulnerability scan for 10+ apps
- Facilitated Monitoring & Alerting systems using Prometheus, DataDog, New Relic, proactively locate customer issues, and reduce turnaround time to at most 1 hour
- Designed automation scalability test with jMeter that improve time efficiency by 70
Software Development
ARUBA- A Hewlett Packard Enterprise
05.2019 - 12.2019
- Building/Maintaining Docker container clusters managed by Kubernetes, Ubuntu OS on AWS
- Analyzed and understand customer requirements specifications by interacting with PMs
- Developed and tested production features for user dashboard using Flask, CSS and Angular.JS
- Found critical bugs in the Infra, perform root cause analysis (RCA) and fix accordingly
Education
M. S - Computer Science
Santa Clara University
B. S - Math & Statistics
Purdue University
Skills
- Distributed System
- Scalable Application
- Defensive Programming
- Unit/Integration Testing
- Microservices
- CI/CD Pipeline
- Verbal/Oral Communication
- Documentation
- Customer Issues Support
- TECHNICAL SKILLS
- Programming Languages: Java, Python, Go, C, Groovy, Scala
- Web Framework: Kafka, RabbitMQ, Spark, Git, Ant, Maven, Spring MVC
- Databases: Cassandra, Redis, Elastic Search, Postgres, KairosDB
- Environment: Docker, Kubernetes Linux, Bash scripting , CI/CD , Jenkins, AWS, Coverity
Timeline
Software Engineer
Amazon Prime Products
09.2022 - Current
Software Engineer
ARUBA- A Hewlett Packard Enterprise
02.2020 - 08.2022
Software Development
ARUBA- A Hewlett Packard Enterprise
05.2019 - 12.2019
M. S - Computer Science
Santa Clara University
B. S - Math & Statistics
Purdue University
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