# Yaoquan Yu

> Senior Software Engineer at Kanmon

Location: San Francisco, California, United States
Profile: https://flows.cv/yaoquan

Accomplished Senior Software Engineer, eager to leverage valuable experience and expertise enhancing overall business operations, optimizing revenue, and raising levels of efficiency. Highly skilled with development and implementation while gathering business requirements and meeting customer requirements with software solutions. Designs and implements products that business need.

Successful with microservices and breaking monolithic application to them. Utilizes up-to-date technologies to develop and implement time-saving tools and processes. Extensive project experience in performance tuning while creating proof of concept of external integration and making it work quickly. Adept collaborations with developers, QA teams, and clients to optimize systems and applications.

## Work Experience
### Senior Software Engineer @ Kanmon
Jan 2023 – Present | San Mateo, California, United States

### Senior Software Engineer @ Mission Lane
Jan 2021 – Jan 2023 | San Francisco Bay Area
Designing and implementing new credit card products, both secured card and multi card, enabling provision, with minimal risk, of cards to customers not qualified for ordinary credit cards.
▪ Facilitated breaking monolithic service by moving features to other microservices and creating new microservice when needed.
▪ Drove refactoring of lookup flow, modified data loading mechanism from recycling all data, to increment load, then message driven – improved SQL query and increase query time, resulting a loading process taking less than half an hour to finish.
▪ Led design and implementation of new products including, pre-qualification, secured card, multi card, built on previous
model of only one credit card product.
▪ Continuously increased credit card bookings from 600k to 2M card holders in a year and a half, raising the booking rate by
50%+.
▪ Established integration tests for existing and new projects, including integration automation using Selenium and Jenkins.
▪ Built AB testing, working closely with the data product teams to develop AB tests, and successfully increase submission rate.

### Software Engineer @ Stellar Labs, Inc.
Jan 2018 – Jan 2021 | Burlingame
Instrumental role as owner of multiple, frequently used microservices. Conducted knowledge transfer sessions while promoting better understanding of the system and coordinating design decisions.
▪ Initiated new project, including design, proof of concept, and development of new feature to send documents on customer behavior to client for e-signing; completed development in one month for release.
▪ Significantly raised optimization levels through designed, implemented proof of concept, and developed DocuSign integration microservice allowing users to send e-sign documents to clients within the platform with user-customized tabs.
▪ Improved performance tuning for trip generation; analyzed all aircrafts available for user and calculating trip data.

### Software Engineer @ Western Union
Jan 2016 – Jan 2018 | San Francisco
Gained valuable experience implementing new business requirements, collaborating with QA teams, and solving targeted defects.
▪ Supported migration from monolithic Java application to microservices Java application.

### Software Engineer Internship @ E-world Travel
Jan 2015 – Jan 2015 | NYC
	Developed practical experience and deeper knowledge of web development by contributing to front-end and back-end development of the company’s website.
	Improved tour bus passenger management by writing a barcode scanner on iOS to scan passenger tickets, retrieve data from the server, and display passenger tour and bus information to guides.

### Quality Assurance @ Coffee Table
Jan 2012 – Jan 2013 | SF
Gained critical experience in QA methodologies and best practices by working with QA engineers to process client data to the server to compile and report bugs for upcoming fixes.
Optimized the presentation of products by mapping touch points in the company’s application.


## Education
### Bachelor of Science (B.S.) in Computer Science
University of San Francisco


## Contact & Social
- LinkedIn: https://linkedin.com/in/yaoquan-yu
- Website: http://yaoquanyu.com

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Source: https://flows.cv/yaoquan
JSON Resume: https://flows.cv/yaoquan/resume.json
Last updated: 2026-04-01