# Jing Yu

> Software Engineer at Box | Ex-JPMorgan Chase | Payments | Fintech | Backend

Location: San Jose, California, United States
Profile: https://flows.cv/jingyu2

I’m a backend software engineer who gets a thrill from building large-scale systems that can handle serious traffic without breaking a sweat

## Work Experience
### Software Engineer @ Box
Jan 2025 – Present | Redwood City, California, United States
MetaData in-region

### Lead Software Engineer @ J.P. Morgan
Jan 2023 – Jan 2025
Boosted the merchant payment platform (80K transactions, $50M/day) by building a real-time risk check feature for SMBs using Spring Boot, Kafka, and AWS (Kubernetes, DynamoDB). Designed a high-performance, event-driven service hitting 10 TPS, streamlined AWS infra with Terraform and Jenkins, and mentored juniors while documenting APIs and specs.

### Software Engineer @ J.P. Morgan
Jan 2021 – Jan 2023 | Redwood City, California, United States
Built Chase’s Tap to Pay/Smart Terminal product, creating a real-time payments streaming system with Java, Kafka, and Kubernetes to integrate WePay and Chase backends. Ensured seamless rollout with thorough testing and clear docs, hitting $1B TPV and 10M transactions in 2024.

### Full Stack Developer Intern @ myHealthToday
Jan 2020 – Jan 2020 | Irvine, California, United States
- Designed and developed back-end and front-end services of a multi-sided ( web/mobile/Alexa skill ) senior chronic disease managment system that supports users to record, update, track and search their chronic diseases, allows users to set up appointments with doctors and generate disease reports.
- Designed a robust and scalable backend with severless design patterns and developed through Node.JS and SAM, managed data in dynamoDB, improved query speed by 35% via optimizing database indexing.
-  Implement over 15 RESTful APIs and developed Alexa skill service using AWS API gateway/lambda functions SDK, handled signup/login using Cognito. Speeded up deployment with CI/CD tools by 20%.
- Refactored front end codebase to improve components reuse rate and decrease rendering latency by 20%

### Software Engineer Intern @ IQHi Inc.
Jan 2020 – Jan 2020 | Irvine, California, United States
- Used python&serverless to build back-end stack(Cognito, APIgateway, lambda function).
- Improve query speed and reduced memory by table redesign via dynamoDB and storage optimization with S3.
- Developed front-end web page using React and MaterialUI


## Education
### Master's degree in Computer Science
UC Irvine

### Bachelor's degree in Engineering
Northwestern Polytechnical University


## Contact & Social
- LinkedIn: https://linkedin.com/in/jingyu03

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Source: https://flows.cv/jingyu2
JSON Resume: https://flows.cv/jingyu2/resume.json
Last updated: 2026-04-11