# Elvis Wei

> SWE @ Roblox

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

👷🏻‍♂️🔨

## Work Experience
### Software Engineer @ Roblox
Jan 2023 – Present | San Mateo, California, United States
Chat 🗣️

### Research Apprentice @ University of California, Berkeley
Jan 2022 – Jan 2023 | Berkeley, California, United States
*Evaluated the use of metadata injection in improving word vector embeddings
*Introduced multiple enhancements to the TransE model for use on Reddit data knowledge graph completion
*Enhanced models achieved 33.85% Hits@10 accuracy (TransE baseline 31%) on prediction task

### Software Development Engineer Intern @ Amazon
Jan 2022 – Jan 2022 | Seattle, Washington, United States
*Designed and launched end-to-end workflow management and diagnostics application with React, Cloudfront, and Cognito
*Engineered Lambda proxy + API Gateway serverless backend to interact with Step Functions and DynamoDB that handles 1000 transactions per second
*Built AWS CDK + Cloudformation continuous deployment pipeline enabling developers to automatically test and deploy service to multiple stages and regions
*Won 1st place in internal Computer Vision classification competition; researched and leveraged state-of-the-art CV strategies such as transformers, cross-validation, and ensembling

### Tech Director @ Connect@Cal
Jan 2021 – Jan 2022
*Migrated NavBuddy matching algorithm to DistillBERT NLP model
*Trained model with semi-supervised learning and NLP data augmentation, achieving 97% accuracy and 98% ROC-AUC
*Revamped NavBuddy UI with Bootstrap 5.0

### Software Engineer @ Connect@Cal
Jan 2020 – Jan 2021 | Berkeley, California, United States
*Created ExpressJS API as an interface to interact with Google Sheets and Airtable databases with 300+ cases and resources
*Launched NavBuddy, a web app and algorithm identifying 1000+ matches between cases and resources with Heroku and Flask

### Software Development Engineer Intern @ Amazon
Jan 2021 – Jan 2021 | Seattle, Washington, United States
*Pioneered and designed new Seller Security Center project that allows merchants to take proactive action on security threats
*Implemented Activity Audit feature of Seller Security Center with a React frontend, Spring backend, and AWS DynamoDB database
*Performed data analysis of over 10,000,000 activity records with AWS Athena and AWS Sagemaker to develop an automatic activity auditing algorithm
*Participated in Amazon's Machine Learning University to learn Natural Language Processing

### Frontend Engineer @ Toppa @ Berkeley
Jan 2020 – Jan 2020 | Berkeley, California, United States
*Designer and developer of Toppa's Member and Resource Directory
*Launched website that connects over 100 members, events, and resources

### Tutor @ SY Academy Inc.
Jan 2019 – Jan 2020 | Berkeley, California, United States
*Tutored over 20 international students attending Berkeley City College
*Taught Calculus, Computer Science, and Introduction to Statistics

### Academic Intern for CS61A @ UC Berkeley Electrical Engineering & Computer Sciences (EECS)
Jan 2020 – Jan 2020 | Berkeley, California, United States
*Assisted computer science labs for CS61A for 12 weeks
*Taught fundamentals of recursion and OOP

### Student Researcher @ Washington University in St. Louis
Jan 2018 – Jan 2018 | St. Louis City County, Missouri, United States
*Designed and installed particle mass detector setup on motion feedthrough
*Developed MatLab script to analyze mass detectors data and perform calculations 
*Created unofficial research paper and presentation over research project
*Won STARS Excellence in Research award for high quality of aforementioned paper


## Education
### Bachelor of Arts - BA in Computer Science
University of California, Berkeley
Jan 2019 – Jan 2023

### Lafayette Sr. High School
Jan 2015 – Jan 2019


## Contact & Social
- LinkedIn: https://linkedin.com/in/ewei068
- GitHub: https://github.com/ewei068

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