Hey! I'm Piotr Zatek.

I'm currently a Software Engineer Intern at Synchrony and a Computer Science student at UIUC. Check out my projects and contact info below.

original image taken by me in Poland on 07-30-2024

Contact

Projects

highlight2calendar

Highlight a date anywhere on the web and it becomes a Google Calendar event or task. Claude Haiku reads the text; you confirm with one click.

React · TypeScript · Claude Haiku · Google Calendar & Tasks APIs

Reminder: we have a 2hr meeting next Tuesday at 10am to review the roadmap. Also, submit the expense report next Thursday.

Mon
Tue Meeting · 10 AM
Wed
Thu Expense report
Fri

optimize.ai

Rewrites prompts so cheaper models match premium ones, cutting API costs by up to 90%. Five agents profile, benchmark, evaluate, optimize and recommend. Won Best Agentic AI Trace at the Keywords AI (YC W24) hackathon.

Next.js · TypeScript · Supabase · Keywords AI

ModelCost/callQuality
GPT-4o$0.008298%
Claude Sonnet 4$0.004596%
Gemini 2.5 Flash$0.001291%

Synchrony Shield

Redacts phone numbers, cards, SSNs, emails and addresses from text fields as you type, entirely in your browser. Runner-up at the Synchrony Corporate AI hackathon.

JavaScript · Chrome Extensions API

Email Draft

Hi team, contact me at 555-123-4567.

Payment card: 1234-5678-9012-3456.

SSO ID: 3847562019.

UIUC Research Park Job Board

Watches the Research Park board for new internships and emails subscribers, since the site no longer sends its own alerts. It's tracked 500 jobs so far.

Python · Flask · Supabase · GitHub Actions · Vercel

CompanyPositionLink
John DeereStudent Software EngineerApply
RivianSoftware Engineer InternApply
SynchronyEmerging Technology InternApply

This website

you're already here 🙂 that little intro up top is my actual handwriting, drawn on my iPad with an Apple Pencil.