# Kevin Zhou

> Software Engineer @ Amplitude Analytics

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/kevinzhou

Software Engineer, Infrastructure @ Amplitude Analytics

## Work Experience
### Senior Software Engineer @ Amplitude
Jan 2024 – Present | San Francisco Bay Area
Team: Query Infrastructure
- Lead development on next generation batch processing system, reducing batch processing costs by 50% while also decreasing processing times and on-call burden (reduced batch SLA from 3 days to 25 minutes, without increase in incidents)
- Optimized Dynamo operations from 100k+ units/s bursts to <3k units/s bursts during heavy load

### Software Engineer 2 @ Amplitude
Jan 2021 – Jan 2024 | San Francisco Bay Area
Team: Query Infrastructure
- Built memory limit detection for user-centric queries and automated killing and splitting of problematic queries to ensure system stability for all tenants
- Created new fairness rules to prevent singular users within one database from bottlenecking all other computations within the database, reducing average throttle wait times before query computation by 30%
- Optimized the memory and CPU usage of various computations to reduce GC overhead and increase throughput

### Software Engineer 1 @ Amplitude
Jan 2020 – Jan 2021 | San Francisco, California, United States
Team: Query Infrastructure
- Reduced customer chart latencies by up to 80% by analyzing load patterns, improving caching performance, optimizing query cost calculations to reflect real-world resource usage, and shuffling load around query clusters
- Rewrote real-time user-based event ingestion service to process 6x more load with 20% less machines

### Software Development Engineer @ Amazon
Jan 2020 – Jan 2020 | San Diego, California, United States
Team: Abuse Prevention
- Designed and developed full-stack application to automate work that used to take weeks to take 2 days
- Interfaced with several internal services to achieve project goals
- Utilized Angular framework to create responsive front-end
- Created REST API that used AWS API Gateway and Lambda, with Cognito and OpenID for authentication
- Deployed project via CI/CD, utilizing AWS CloudFormation to generate infrastructure
- Participated in agile development process
- Utilized knowledge in Angular, Lambda, API Gateway, S3, CloudFormation, IAM, Cognito, TypeScript, Python, and Git

### Assistant Programmer @ Cardiac Mechanics Research Group, UC San Diego
Jan 2019 – Jan 2020 | San Diego, CA
–	Successfully rewrote problematic legacy Fortran code to Python that had been attempted for years without success
–	Wrote REST endpoints with Java and Spring to save, retrieve, and manipulate CSV data for MySQL
–	Created React views and updated existing views to interact with REST endpoints
–	Managed and maintained data storage infrastructure that held data from experiments
–	Created continuous integration pipeline to automate project deployment to Amazon EC2
–	Wrote script to automate installation and configuration of Torque for a single node on EC2
–	Leveraged knowledge in Java, Python, Spring Boot, JavaScript, React, MySQL, REST, Git, Gradle, Docker, Linux, Bash, CircleCI, AWS, and Chrome Developer Tools

### Global Technology & Operations Analyst @ Bank of America
Jan 2019 – Jan 2019 | Agoura Hills, CA
–	Spearheaded shift to microservices by designing and creating a RESTful server utilizing Spring framework
–	Enabled a modern experience by creating new Angular components for data manipulation and display
–	Integrated backend REST API calls with the web app’s redesigned Angular frontend
–	Reworked existing Angular components to become 100% ADA-compliant 
–	Decreased query times by up to 95% by implementing caching and other performance optimizations
–	Utilized Toad to debug, optimize, and add Oracle DB constraints, triggers, and procedures 
–	Utilized agile development methodology, participated in scrum calls, and attended PI planning meetings
–	Leveraged knowledge in Full Stack, Java, Spring Boot, TypeScript, Angular, Oracle Database, REST, SOAP, JUnit, JAXB, Maven, Caching, Microsoft TFS, Microservice Architecture, and Chrome Developer Tools

### Full Stack Engineer @ Fat Llama
Jan 2017 – Jan 2017 | San Francisco Bay Area
–	Increased user conversion rates by 20% by redesigning the search page
–	Migrated search engine to Algolia for better contextual results, wrote custom connectors for display
–	Wrote scripts that defeated anti-scrape measures to scrape 20000+ contact details to increase company reach
–	Implemented new backend routes to verify user information
–	Improved E2E testing coverage with Nightwatch
–	Leveraged knowledge in Full Stack, React, JavaScript, Node.js, Git, web scraping, and Chrome Developer Tools

### Android Developer @ appbackr inc.
Jan 2016 – Jan 2016 | Palo Alto, CA
–	Redesigned login flow and main feature screens to increase app conversion rates by 10%
–	Increased performance of key features by up to 30% to reduce load times
–	Collaborated with engineers across the globe to push features out on time
–	Leveraged knowledge in Java, Android Studio, REST, and Git


## Education
### Bachelor’s of Science in Data Science
UC San Diego
Jan 2016 – Jan 2020


## Contact & Social
- LinkedIn: https://linkedin.com/in/kgzhou
- GitHub: http://github.com/KevZho

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Source: https://flows.cv/kevinzhou
JSON Resume: https://flows.cv/kevinzhou/resume.json
Last updated: 2026-03-22