Stanislav Kartavenko
Analyst & developer: SQL, Power BI, websites, CRM systems
New to Contra
Stanislav is ready for their next project!
Client: live streamer (yas_garbage)
Role: solo - analysis, architecture, development, delivery
The problem. The streamer collected video links from chat and tracked them by hand, which cost air time and left the audience with no idea what was queued or how long the session would...
The salon owner runs her whole day in Telegram, so I put the back office there instead of building another dashboard she'd never log into. An admin Mini App with a calendar view, lead filters, service catalog management, and the full lead lifecycle: new → confirmed → completed....
A beauty salon in Italy was taking every booking by hand — DMs, phone calls, a paper calendar, and regular double bookings. I designed and built the customer-facing side: service catalog, real-time availability on a 30-minute grid, and booking in three taps on a phone....
An interactive Tableau report built on the public SpaceX REST API: launch history, success rates and trends over time. Data pulls straight from the API — no manual exports.
