# Kefei L.

> Founding Engineer @ Sculpt | ex-Founding Engineer @ Anvara | UWaterloo CompSci 24’ | Professional Scrum Master™ I

Location: New York, New York, United States
Profile: https://flows.cv/kefei

## Work Experience
### Founding Engineer @ Sculpt AI
Jan 2025 – Present | New York, New York, United States

### Founding Engineer @ Anvara
Jan 2024 – Jan 2025 | New York, New York, United States
- Built a React-based advertising space trading platform with high-performing interactive user experience. 

- Developed an AI chatbot using OpenAI API with context over user-generated data stored in a vector database.

- Continuously optimized backend API efficiency and User Interface designs according to user feedback.

### Software Developer @ Thomson Reuters
Jan 2023 – Jan 2024
- Implemented features used by Fortune 500 Companies handling over $220 Billion worth of transactions, with <3% bug rate.

- Consistently delivered an average of at least 1 feature and 3 bug fixes per 2-week sprint over 4 months using TS(Angular).

- Strengthened product efficiency by re-innovating core product Machine Learning API features using C# in a .NET framework.

- Collaborated across teams to research and implement technical solutions focusing on product accessibility needs.

### Frontend Web Developer @ Smile CDR Inc.
Jan 2022 – Jan 2022
- Developed Search Engine and Filtering on a database of all eligible healthcare providers in the United States.

- Improved performance of member portal Online Helpdesk to be more responsive and accurate.

- Built Announcement and Messaging System for member portals of major U.S. health plan companies.

- Increased Regression Test Base coverage by 20%.

- Organized and hosted Company-Wide Events

### Full-stack Developer @ Tangam Systems
Jan 2022 – Jan 2022
- Created a Data Analysis web application to analyze use pattern of all client patrons using Typescript(Angular), HTML, and CSS.

- Redesigned and implemented API calls and algorithms to improve rendering efficiency for the client interface.

- Coded backend algorithms using C# within .NET that query from an SQL server and process complex calculations.

### Software Developer @ Innovation, Science and Economic Development Canada
Jan 2021 – Jan 2021
- Reconstructed webpage functionalities including Login, Filing, and Search Engine on web applications serving 1.2+ million users per month.

- Constructed internal Filing System used by 10,000+ users monthly.

- Updated core Sequential Database regularly to keep information relevant to current legislation.
Managed Deployments with Redhat Openshift, Kubernetes, and Docker.

- Used Redhat Openshift and Docker for project management and deployment.

### Fullstack Developer @ Betterworth
Jan 2020 – Jan 2020
- Designed and built web pages for the company website with easy-to-understand user flows used by 30,000+ visitors monthly.

- Constructed major functionalities including Signup, Login, Password Recovery, and Payment within the company’s web application.

- Migrated codebase to React-Hook and implemented Google Analytics.

- Automated data collection and analysis for the company database.


## Education
### Bachelor's degree in Computer Science
University of Waterloo

### High School Diploma
Abbey Park High School


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

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Source: https://flows.cv/kefei
JSON Resume: https://flows.cv/kefei/resume.json
Last updated: 2026-04-05