All projects
2024 — н.в. Technical Partner
JustTalk AI
AI-Powered English Speaking Practice
An EdTech startup: an English speaking trainer where the AI holds a voice conversation, remembers past sessions, and builds every next one on the last. Includes a full 12-minute IELTS Speaking mock test, role-play scenarios, and pronunciation feedback after every session.
Features
- Video chat with real-time speech transcription (AssemblyAI)
- Automatic grammar error detection (Sapling.ai, spaCy)
- 12-minute IELTS Speaking mock test with detailed feedback
- Role-play scenarios across 20+ categories, AI personas with distinct styles
- Vocabulary learning built on the SuperMemo spaced-repetition algorithm
- Pronunciation and fluency analysis with progress history
- WebSocket communication — lesson data updates in real time
Technologies
Laravel Python PostgreSQL WebSocket AssemblyAI spaCy