Jessica Irene Leung

S

Senior Frontend Engineer at Hollow AI · CSS, TypeScript

Hollow AI
Washington, DC · ET (UTC-5)
7+ years experience
University of Wisconsin–Madison
English
Open to work
Messaging unavailable

Overview

Currently at Hollow AI, where I work on web frontends. Grew the web team from 5 to 36 engineers. Brought on-call pages for web down from 39 a week to 1. Before that: Bank of America and Snowflake. Bird-watcher and amateur naturalist.

Good reasons to reach out
  • Roles in web frontends
  • Speaking or podcast invitations
  • Working sessions on Next.js
  • Thoughtful intros to people in my field
Please don't message about
  • Requests to fix your code for free
  • Agency or outsourcing pitches

Usually replies within a day

Skills
Next.jsaccessibilityReactTypeScriptweb performanceCSS
Open to workLooking for a role
closes in 3 months

Staff Frontend Engineer roles in energy - Washington or remote

Target roles
Staff Frontend Engineer
Level
Staff / Principal
Industries
Logistics, Developer tools
Work mode
Remote
Available
60 days notice
Work authorization
Authorized to work in the DC
What I'm looking for
Hands-on work on accessibility with room to mentor.
Not interested in
Contract-only roles

7 years in web frontends. Strongest at TypeScript and web performance. Available immediately.

Washington, DCtypescriptcssnext.js
Open

Experience

  1. Senior Frontend Engineer
    Oct 2025 - Present
    Hollow AI · 1 yr · Full-time · Washington, DC
    • Cut the main bundle by 55% and got LCP under 2.1 seconds.
    • Led the move of 165 screens to a shared React component library.
    • Wrote the React service that now handles 66 million requests a day.
  2. Frontend Engineer
    Apr 2023 - Jun 2025
    Bank of America · 2 yr 2 mo · Full-time · Washington, DC
    • Cut the main bundle by 47% and got LCP under 2.6 seconds.
  3. Frontend Engineer
    Jul 2020 - Mar 2023
    Snowflake · 2 yr 8 mo · Full-time · Washington, DC
    • Cut the main bundle by 68% and got LCP under 2.9 seconds.
  4. Frontend Engineer
    Oct 2019 - Jul 2020
    Robinhood · 9 mo · Full-time · Washington, DC
    • Moved 76% of web traffic off a legacy monolith without a customer-facing incident.

References

No references yet.

Education

  1. University of Wisconsin–Madison
    BS, Electronics and Communication
    2015 - 2019

Details

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