Seth Chang

Software engineer, AI researcher, and builder. CS @ UC Santa Barbara.

Experience

MercorRemote
Feb 2026 – Present

Operations Intern

  • Researching model failure modes in frontier domains to create new projects for leading AI labs.
  • Managing projects with hundreds of experts and building tooling to accelerate average handling time by up to 200% per task.
Oct 2025 – Jan 2026

Software Engineer Intern

  • Scoped and built various features end-to-end, fixed bugs, and contributed to product vision for our flagship product, leading to our product launch scaling from 1k to 10k+ users in a week.
Z FellowsRemote
Jul 2025 – Oct 2025

Software Engineer Intern

  • Collaborated with Cory Levy to build an internal tool for 3x faster application review using edge AI and cutting-edge optimizations for reranker models and SLMs on consumer hardware. Achieved 50x faster performance compared to SOTA solutions.
May 2025 – Sep 2025

Product Manager Intern

  • Advised and implemented AI-focused products from strategy and stakeholder meetings for portfolio companies.
  • Collaborated with a leading construction portfolio company to identify workflow pain points and built products to save 3+ months per project.
FactfulHybrid
Nov 2024 – Feb 2025

Chief Operating Officer

  • Built Factful's Chrome extension 0→1, scaling to 22k+ users.
  • Onboarded data analysts from Fortune 500 companies and developed bespoke enterprise tools for their needs.
  • Secured multiple investor offers — Sequoia Arc + a16z Speedrun finalist.

Research Intern

  • Second-authored a paper with Prof. Diyi Yang, Prof. Graham Neubig, and Simran Khanuja on image editing. Won 2nd place in IEEE.
  • Built a frontend platform for the paper that reduced navigation time by 200%, released to CMU's professional translators to test the software and generate data, and collaborated on the backend ML pipeline to 3x generation speed.

Projects

DBD

Built a Discord bot for a digital goods store that scaled to 80k+ users and $400k+ total revenue in 4 months. Overcame Discord's server scaling limitations creatively.

Built a Chrome extension that outperformed Grammarly's native Google Docs integration whilst adding more features. Grammarly has held this moat for 15+ years — first in the world to break it to this extent. Currently advising 2 YC companies on integrating this into their product. Z Fellows and Soma Scholars finalist.

Awards

IEEE Paper 2nd PlaceHigh School Division
2024
2024
3× National Winner, 1× Internationals 4th PlaceFigure Skating
2024

Skills

Languages

JavaScript, Python, Dart / Flutter, SQL, Java, NoSQL / JSON

Frameworks

React, React Native, Next.js, Supabase, Firebase, Expo

Education

UC Santa BarbaraSanta Barbara, CA

B.S. Computer Science

Expected Jul 2029