# Work Experience — Sahil Tomar (dev-S-t)

## AI Solutions Engineer — TechieMaya
- **Role:** AI Solutions Engineer
- **Domain:** Voice AI Infrastructure, RAG Systems, Agentic Workflows
- **Key Achievements:**
  - Engineered VOAG (Enterprise Voice AI SaaS) processing 1,000+ production calls daily with sub-200ms p95 latency.
  - Deployed UAE SIP/WebRTC telephony bridge inside private VM behind strict NAT gateways.
  - Built agentic pipelines using Google Agent Development Kit (ADK) and LangGraph with tenant-aware tool registries and OAuth 2.0 integration.
  - Developed multi-tenant RAG systems with vector DB namespace isolation and LiteLLM model routing.

## Freelance Voice AI Consultant — Quantashift / MGS Technology (Hireups Engagement)
- **Role:** Voice AI & Infrastructure Consultant
- **Domain:** System Rescue, WebRTC, GCP Cloud Migration
- **Key Achievements:**
  - Re-architected failing WebRTC monolith into scalable GCP Cloud Run & Compute Engine microservices.
  - Configured LiveKit Simulcast and Dynacast for dynamic audio/video adaptation under low bandwidth.
  - Built multi-LLM fallback routing for uptime stability and implemented browser-side CV inference.

## Machine Learning Intern — Infosys Springboard
- **Role:** ML Intern
- **Domain:** Predictive Modeling, Data Science
- **Key Achievements:**
  - Constructed ML training workflows and performed feature engineering for predictive analytics.