Oleksandr Blazheiko
Software Development Engineer · Fullstack
Ukraine
Fullstack developer with 7+ years of experience. Building itvibe.party — a platform combining chat, a real-time AI translator, and a personal AI teacher called "Maestro". Real conversations between two people are automatically turned into lessons: vocabulary, grammar notes, and homework.
Topics
Vue.js · Node.js · TypeScript · AI/LLM · STT/TTS · WebSocket · Redis · Monorepo
Appearances on IT Friday
| Stream | Role | Topic | Date |
|---|---|---|---|
| #017 | Guest advisor | Live-coding mini X in 2 hours with an AI agent — commenting on decisions, occasionally sharing his screen | 04.09.2026 |
| #016 | Guest | Specification as the new source code — a document set for working with an AI agent | 28.08.2026 |
| #015 | Guest | OAuth 2.0 and OpenID Connect — seven iterations of one question, from passwords to BFF | 21.08.2026 |
| #014 | Guest | Web authentication methods — passwords, MFA, WebAuthn/passkeys, OAuth/OIDC | 14.08.2026 |
| #011 | Guest | OWASP Top 10:2025 — all 10 vulnerability categories with code examples | 24.07.2026 |
| #010 | Guest | Web Attacks Overview — Frontend, Backend, network/infrastructure | 17.07.2026 |
| #008 | Guest | Content Security Policy (CSP) — protecting against XSS with a resource allowlist | 03.07.2026 |
| #007 | Guest | WebRTC — video and data directly between browsers | 26.06.2026 |
| #006 | Guest | PWA in the Web — Service Worker, Manifest, offline mode | 19.06.2026 |
| #004 | Guest | uWebSockets.js Security — HttpContext & WsContext, validation | 05.06.2026 |
| #003 | Guest | uWebSockets.js — architecture, cork(), Docker | 29.05.2026 |
| #002 | Guest | AI Language Teacher — itvibe.party | 22.05.2026 |