Portfolio

Selected projects and products

5 projects
3 case studies
5 years experience
01
Case Study

AI Consultation System — two-tier funnel

Two-tier AI consultation system: free qualification (Claude Haiku) + premium technical analysis for 200 PLN (Claude Opus). Stripe, Supabase, Resend integration. Context continuity between sessions, JSON summaries, transactional emails.

Astro Claude AI Stripe Supabase Resend TypeScript
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02
02
Case Study

Studio Manager — System Rescue

Fixed critical bugs in a no-code platform: payment vulnerability (multiple withdrawals), Telegram webhook limits (external microservice on Deno Deploy), OAuth security gap (3-tier RBAC), tax logic errors.

Supabase Deno OAuth RBAC Telegram API
03
03
Case Study

VOD Player — DRM Migration

Replaced expensive Bitmovin with open-source Shaka Player. Custom JS Bridge for UI integration, infrastructure debugging (CORS, server config). DRM-secured solution without licensing fees.

Shaka Player Widevine HLS/DASH JavaScript FFmpeg
04
04
Product

Educational Platform

Custom platform for learning programming and mathematics. Interactive courses, Code Playground (online compiler), 2D/3D function calculator, C++ pointer visualizer.

Astro React TypeScript Supabase PostgreSQL
05
05
Product (WIP)

Tutor Manager

SaaS for tutoring management — scheduling, billing, materials, student communication. Under development.

Next.js Supabase TypeScript Stripe

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