ROLEBackend & AI Engineer
PERIODAug — Sep 2026
STACK.NET 8 · EF Core · Docker
STATUSTelegram · @ZiyoAIBot
03PROJECT / ZIYOAI
99.9%uptime
30s / 65stiered timeouts
99.9%uptime
30s / 65stiered timeouts
THE CONTEXT
Automated voice interaction, document comprehension, and discussion starters for Telegram groups.
MY ROLE
Engineered multimodal STT/TTS pipeline, OCR comprehension, and LLM failover gateway.
THE CONSTRAINT
Resilient system availability during upstream LLM rate limits and token quota drops.
WHAT I BUILT
Three pieces of the puzzle.
01
Multimodal assistant
Voice in/out via Whisper STT and TTS, plus OCR document understanding on .NET 8.
STT · TTS · OCR
02
Channel enrichment
Autonomous generation of discussion prompts, concise summaries, and educational quizzes.
Prompts · summaries · quizzes
03
Failover gateway
Dual-key gateway with tiered 30s/65s timeouts, rate limiting, and update deduplication.
Dual key · timeouts · dedupe
MEASURED
99.9%uptime
30s / 65stiered timeouts
2provider keys
1autonomous pipeline