Leiming Cai Email & Phone Number

Los Angeles, CA, US

Seattle, Washington, United States

Seattle, Washington, United States

Los Angeles, California, United States

• OpenABA allows therapists to deliver services to their clients remotely. In particular, we provide tools to providers for realtime interaction in specially designed activities, activity design and creation.
• Won 5th place of Virtual Hackathon 2020 together with 4 teammates with awards of $100,000 among 748 participants, continue developing and maintaining an active clinician user population of more than 1000. Check it out.
• OpenABA is built with Next.js and a GraphQL API gateway in the backend, React in the frontend. Supporting services include a WebRTC messaging service, STUN and TURN servers, and a media integration with Google Drive.

Los Angeles, California, United States

• Designed and built a shopping web app that allows users to shop, register, log in, view different categories, add desired products to a cart, and checkout items
• Developed using JavaScript (ES6) and React.js for front-end functionality, utilized Firebase for authentication and data storing, used Redux to maintain cart and current user states, integrated Stripe for checkout.
• Implemented mobile responsiveness and improved UX/UI using Styled Component and custom CSS3

Torrance, CA

• Implement, maintain and debug code for data analysis programs, electrical test programs and scripts using VB6, C and VBA.
• Summarize data and furnish the qualification reports for the semiconductor development process.
• Setup, sustain, improve and develop test hardware and equipment.
• Communicate with customer to provide product information, interface with vendor for equipment support and upgrade.

Greater Los Angeles Area

• Work with a PhD student in NanoLab Ming Hsieh Department of Electrical Engineering.
• Designed and fabricated cathode matrix material using nanotubes and nanofibers.
• Soaked liquid type polysulfide into the matrix as catholyte for high energy density lithium-sulfur batteries.
• Deposited a TiO2 layer on the cathode by using Atomic layer deposition (ALD) to prevent shuttle effect.
• Synthesized hollow carbon spheres chemically as a coating layer on lithium anode to prevent dendrite growth.
• Did charge-recharge cycles to find the performances of the batteries. Used SEM and XRD to acquire the structures of electrodes.

• Studied theoretical aspect of processing steps to transform silicon wafers to working devices and circuits
• Performed a reverse engineering on finished integrated circuits, with more than 20 mask counts and recognized necessary fabrication steps that were needed
• Proceeded an integrated circuit through oxidation, diffusion, lithography, plasma etch, metallization in class-100 cleanroom, starting from bare wafer to multi step metallization leading to final cap layer
• Electrically tested finished devices, extracted and recorded device/material parameters

• Manufactured a formula-style race car to participate in competitions between universities
• Designed a lighter and stronger chassis structure and conducted stress analysis of car using SolidWorks
• Performed assembly of car chassis, steer and powertrain parts, tested revolutions per minute (rpm) and torque of car
• Improved rpm and torque of car by 10% by adjusting intake port length and engineering redesigning

Computer Science, Gpa: 4.0

Courses taken: Introduction to Operating System, Database Systems Concepts and Design, Computer Networks

Web Development

Master'S Degree, Materials Engineering

Activities and Societies: Member in chassis team of USC Formula SAE. We work together to build a racing car to participate in competitions.

Bachelor'S Degree, Materials Science And Engineering

Exchange Student, Materials Science And Engineering