SaaS PlatformVoice AI6 languages
Brokery.
Voice AI sparring platform for sales team training. I built the backend powering live AI calls, a 7-skill scoring engine and multi-language client simulations — all in real time.
// what I built
▹Real-time voice AI engine enabling bidirectional audio streams between sales reps and AI client personas
▹7-skill scoring system that analyses call transcripts via LLM post-processing and delivers a report in under 60s
▹Multi-language AI persona system supporting 6 client languages with 4 difficulty levels per scenario
▹XP and ranking gamification engine with real-time leaderboards and team competition features
▹Call recording storage and async analysis pipeline with webhook integrations for CRM and Slack
// tech stack
Nest.jsTypeScriptWebSocketRedisMongoDBLLM APIsVoice APIsDocker
// my role
Backend Architect — designed the real-time voice pipeline, scoring engine and gamification system.
6
Languages
7
Skills scored
<60s
To full report
4
Difficulty levels