# Minjie "Norman" Xin

> Software Engineer @ Credit Karma | Product Development, UI/UX

Location: San Mateo, California, United States
Profile: https://flows.cv/minjie

Front-End Software Engineer with 9+ years of experience building scalable, high-performance applications using React, Next.js, and TypeScript. Skilled in micro-frontend architecture, reusable design systems, and cloud-ready deployments, with experience shipping features to millions of users. Adept at cross-functional collaboration with design, marketing, and product teams, and bringing projects from 0→1 into production.

## Work Experience
### Senior Software Engineer @ Credit Karma
Jan 2019 – Present | San Francisco Bay Area
• Architected and planned Credit Karma Reviews with Next.js + micro-frontends, centralizing financial metrics in one-place.
• Scaled story feed features on the Dashboard to 1M+ requests per minute, increasing engagement and revenue while collaborating closely with product and design.
• Created and managed 24/7 on-call operations, ensuring high availability of critical services and reducing incident resolution times.

### Software Engineer @ IXL Learning
Jan 2017 – Jan 2019 | United States
• Migrated legacy front end to React, reducing delivery time by 33% per feature.
• Shipped interactive quiz animations that increased student engagement, adding +6 minutes per session.
• Partnered with product and pedagogy teams to align features with learning goals while ensuring scalability.

### Software Engineer @ DoorDash
Jan 2016 – Jan 2017 | San Francisco Bay Area
• Built real-time dispatch tools with Angular + Django to support 90k+ concurrent drivers, cutting driver support response times by 60%.
• Collaborated with operations teams to streamline logistics workflows and improve reliability.

### Software Engineer, Applications @ Turn
Jan 2013 – Jan 2016 | San Francisco Bay Area
• Developed Audience Suite 2.0 web front end for enterprise ad clients.
• Introduced automated E2E tests and CI/CD pipelines, accelerating release cycles by ~50%.
• Worked with PMs and QA to improve reliability and ensure scalability across high-traffic advertising systems.

### Software Engineer, Applications / Software Engineer, Tools @ ICBC
Jan 2009 – Jan 2012 | Shanghai Suburb, China
• Built and integrated an automated testing management module, enabling non-technical testers to create, run, and track automated test cases directly in the Testing Assistant Management System (TAMS) platform.
• Developed core testing infrastructure (script compiler, execution engine, and error-handling components) in Java, allowing user-defined test cases to be translated into executable scripts and run reliably with robust error recovery.


## Education
### Master of Science (MS) in Computer Software Engineering
Carnegie Mellon University

### Bachelor of Business Administration (B.B.A.) in Management Information Systems, General
Shanghai Jiao Tong University


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

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Source: https://flows.cv/minjie
JSON Resume: https://flows.cv/minjie/resume.json
Last updated: 2026-03-29