# Joyce Ji

> Senior Software Engineer @ Coinbase

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

## Work Experience
### Senior Software Engineer @ Coinbase
Jan 2022 – Present | San Francisco Bay Area
Trading - derivatives

### Senior Software Engineer @ Wish
Jan 2020 – Jan 2022 | Toronto, Ontario, Canada
- Deployed, maintained and improved the availability of an on-premise Kafka cluster on Kubernetes
- Deployed and maintained a Flink cluster on Kubernetes with high-availability; provided Flink deployment as a k8s library
- Architected and co-led the development of a highly scalable, highly available, and fault tolerant real-time webhook system, which involves building a Flink Application, a Golang Kafka consumer service, and a Golang gRPC service from scratch
- Reviewed the RESTful design of external-facing merchant APIs

### Software Engineer II @ Wish
Jan 2019 – Jan 2020
- Managed the core product catalog flow for 2 million merchants to manage 1.5 billion product listings
- Designed and implemented a full set of GraphQL APIs for merchants to create and update their products
- Led the shipping setting re-design in multiple iterations, including migrating variation-level shipping to country-level shipping, introducing first-mile shipping concept, taking over merchant’s international shipping; worked closely with PMs, designers and stakeholders and drove the back-end and front-end implementation
- Built monitoring reports and Grafana Dashboards; performed data analysis on user experiments
- Saw the team grow 4x and onboarded new team members

### Software Engineer @ Wish
Jan 2018 – Jan 2019

### Research Assistant @ University of Waterloo
Jan 2018 – Jan 2018 | Waterloo, Ontario, Canada
- Published RotoSwype: Word-gesture Typing using a Ring in CHI Conference 2019

### Software Engineer @ Uber
Jan 2017 – Jan 2017 | San Francisco Bay Area
Maps Data team
- Designed a greedy algorithm for generating task assignment plans that optimizes the job ETA in maps creation

### Software Engineer @ Wish
Jan 2017 – Jan 2017 | San Francisco Bay Area

### Research Assistant @ University of Waterloo
Jan 2016 – Jan 2016 | Waterloo, Ontario
- Worked with Professor Justin Wan on developing an Android App which simulates various portfolio re-balancing strategies on real-time and historical stock data pulled from Yahoo finance API

### Software Engineer @ Zynga
Jan 2016 – Jan 2016 | Toronto, Ontario
- Implemented new features and experiments for an Android Chess app, including a real-time group chat feature

### Application Developer @ Validus Research Inc.
Jan 2015 – Jan 2015 | Waterloo, Ontario


## Education
### Master of Computer Science in Data Science
University of Illinois Urbana-Champaign
Jan 2019 – Jan 2022

### Bachelor of Mathematics in Computer Science & Statistics double major
University of Waterloo
Jan 2013 – Jan 2018

### High School Diploma
London International Academy
Jan 2012 – Jan 2013

### High School Diploma
苏州工业园区星海实验中学(Suzhou Industrial Park Xinghai Experimental Middle School)
Jan 2010 – Jan 2012


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

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