David Wei Email & Phone Number

Mountain View, California, US

ML Infrastructure - Training

San Francisco, CA, US

• Exponentially grew customer base by 800% by leading the design, development, and deployment of critical features.
• Decreased error rates in LLM generations from 40% to 3% across short-form and long-form copy through different methods of prompt engineering, output constraining/chaining, and hallucination detection and remediation.
• Improved system uptime by 10x and latency by up to 20x through the implementation of a distributed backend and parallelization.
• Increased engineering velocity by 2x by leading contract engineers and designers.
• Shipped rapid-prototype features on timelines of < 1 day and full features on timelines of < 3 days.
• Created CI/CD practices for engineering team to improve system reliability.

Berkeley, CA, US

• Researched the synthesis of sequential programs into distributed programs by leveraging CRDTs.
• Worked on HYDRO project, developing cloud-native programming models for scalable and resilient distributed applications.

Mountain View, CA, US

• Improved reliability and safety of 10,000+ machines performing 100,000+ jobs by engineering an Atomic solution for a Google Borg safety mechanism.
• Surfaced and aggregated 15+ key Google Borg metrics into a customizable dashboard for the Borg SRE team.
• Designed and implemented 3 new metrics to enhance service diagnostics.

Berkeley, California, US

Berkeley, California, US

• Source and create opportunities for active members to develop their professional skills and be more involved in the Berkeley startup ecosystem.
• Created a speaker series featuring founders.

Berkeley, California, US

• Taught practical business skills used by startups, culminating in a capstone venture project which is pitched to a group of 30+ investors and those familiar with the startup ecosystem.

Mclean, VA, US

• Developed dev-ops tool used by 1000+ Data Engineers for rapid deployment of data analysis and machine learning models.
• Wrote a common line interface to generate custom Python libraries for AWS data consumption and production.
• Automated secrets handling and distributed systems setup for data processing and ML jobs.

San Francisco, California, US

• Developed over 200+ UI components for company-wide design system.
• Increased engineering velocity by 1.5x by establishing CI/CD platform for frontend development
• Created web application for Parrot, a $3m ARR solution for collecting SMS payments on behalf of SMBs.

Berkeley, CA, US

• Connected 2559 participants from 100+ countries, with 80+ mentors, 100+ judges, and 23 sponsors to produce 224 project at hack:now.
• Managed $275,000 in funds sourced from 40+ sponsors after Cal Hacks 6.0, seeing over 2000 participants and 3000 applicants.
• Launching hack:month, providing a community for 100+ students to develop their side projects.
• Formulated 3 weeks worth of web development curriculum for CubStart, educating 90+ Berkeley students.

Berkeley, CA, US

• Organized the judging process at Cal Hacks 6.0, which coordinated over 60 judges to interact with over 200 projects in under 3 hours, all while providing invaluable feedback.

Berkeley, CA, US

• Taught a group of 30 students topics including linked lists, asymptotic analysis, higher order functions, trees and traversals, persistence, hashing, heaps, priority queues, graphs, graph algorithms, and sorting.
• Mentored for 15 labs, 4 projects, and 3 exams.

Berkeley, California, US

• Built a front-end website algorithm using JavaScript currently applied on over 200 online news articles.
• Optimized data management from backend to reduce extraneous operations by 40%.

Bachelor'S Degree, Computer Science

High School Diploma