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Sudarshan Kulkarni
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Voice AI Engineer Nexus
Bengaluru, Karnataka, India
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Voice AI Engineer — NexusIndependentMay 2026 - Current (6 months)Built production-grade bilingual voice AI agent for NBFC loan collections on Bolna platform. - LLM state machine with 8 conversation branches - RBI Fair Practices Code compliant — zero forbidden words in Hindi and English - TRAI DND compliance — honors immediately - Bilingual Hindi/Hinglish with automatic language detection and switching - Post-call structured JSON output for CRM- Independent Product Engineer | CortexCortexFeb 2026 - Current (9 months)Architected and deployed Cortex, an Enterprise-grade AI Document Intelligence Platform.
• Engineered a custom RAG pipeline using Next.js 16 (App Router) and Supabase pgvector.
• Bypassed traditional database retrieval latency by wiring up Server-Sent Events (SSE) to stream LLM tokens instantly to the UI.
• Implemented hybrid search combining cosine similarity with PostgreSQL BM25 full-text search, utilizing Reciprocal Rank Fusion (RRF).
• Accelerated the entire architecture cycle by orchestrating parallel agentic workflows (Claude Code) directly in the terminal. Live App: https://cortex.sudarshank.com/ - CAI Engineer — Column8Column8Jul 2025 - Current (1 year 4 months)Built production SaaS with semantic ATS scoring and live voice interview simulation. - Two-stage Zod schema pipeline for deterministic resume analysis against job descriptions - Real-time WebRTC voice interview using LiveKit, Deepgram STT/TTS, Groq (Llama 3.3 70B) - Monetized with Razorpay — HMAC webhook verification, credit-based access gating - Upstash Redis edge rate limiting, Supabase auth + row-level security Live: column8.sudarshank.com