# Ling Zhang > Senior Infrastructure Engineer at Qualia Location: San Jose, California, United States Profile: https://flows.cv/lingzhang1 Highly motivated software engineer in Data Infrastructure and Data Engineering Technical Skills: • Big data​: Kafka, Samza, Hadoop, HDFS and MapReduce, Hive • Cloud and Virtualization: Amazon AWS, VMware Esxi • Database: RDBS (PostgreSQL, MySQL), NoSQL (MongoDB, Redis) • Operating system and tools: Linux, Unix, Windows, Git, Perforce, Vim, Eclipse • Automation: Selenium WebDriver, Jasmine, JUnit, Jenkins • Languages: Java, Python, Ruby, SQL, JavaScript, PHP • Process: Agile (Scrum) https://github.com/lingzhang-lyon ## Work Experience ### Senior Infrastructure Engineer @ Qualia Jan 2019 – Present ### Software Engineer @ Qualia Jan 2015 – Present ### Software Engineer, Product Infrastructure @ Intuit Jan 2015 – Jan 2015 | Mountain View, CA The event management system for operation center (Argos project) • Implemented Fluentd plugins (for Spectrum, CloudWatch) in Ruby for filter layer • The cache layer was implemented in Node.js for store CMDB data from Service-Now to Redis • Utilized Kafka for queue based bus layer and Samza for the stream enrichment using CMDB data • Deployed the Kafka and Samza task to a cluster managed by Hadoop Yarn • The enriched results were collected to Splunk for further analysis and visualization Operation center portal system • Implemented the module for integration with Graphite • Optimized the module for dashboard using Ruby Sinatra framework ### Software Engineer Intern @ Currenex, State Street Jan 2014 – Jan 2014 | Redwood city, CA • Test automation for Jasper report of Currenex foreign exchange system • Implemented the system in JavaScript using Selenium WebDriver, Node.js and Jasmine test framework • Utilized executable stream price (ESP) tool for trade automation • Set up Jenkins for test report and continuous integration ### Research Assistant @ Shanghai Jiao Tong University Jan 2010 – Jan 2012 Bioinformatics Data Mining project • Optimized the algorithm for screening genomic and protein sequence database • Predicted 3D protein structure model for selected Artemisinin transporter candidates ## Education ### Master of Science (MS) in Computer Software Engineering San José State University ### Doctor of Philosophy (PhD) in Biomedical Engineering Shanghai Jiao Tong University ### Visiting PhD student in Biomass study at Lawrence Berkeley Laboratory University of California, Berkeley ### Bachelor's degree in Biotechnology Shanghai Jiao Tong University ## Contact & Social - LinkedIn: https://linkedin.com/in/lingzhanglyon --- Source: https://flows.cv/lingzhang1 JSON Resume: https://flows.cv/lingzhang1/resume.json Last updated: 2026-04-11