Sahil Tomar (dev-S-t) — Projects Hub

Home | Experience | Case Studies | Publications | Skills | Contact

Production Systems & Engineering Projects

1. Multi-Tenant RAG Platform (AnyAssist)

Self-service document chat platform. Google ADK agents, LiteLLM cost/routing gateway, logical vector namespace isolation.

Read full HTML Spec

2. Privacy-First On-Prem RAG (A2A Protocol)

Inverted RAG topology for legal/compliance clients over Agent-to-Agent (A2A) protocol with hybrid vector + keyword search.

Read full HTML Spec

3. WhatsApp Dispatch Automation — Enterprise Ground Transport & Musician Vertical

Automated B2B group dispatch for a Dubai luxury transport company (`whatsmeow` Go + Google ADK) plus independent musician community routing.

Read full HTML Spec

4. VOAG — Enterprise Voice AI SaaS

1,000+ daily calls in Mr. LADs app, sub-300ms p95 latency, DigitalOcean & UAE LAN SIP modem architecture, fire-and-forget RAG.

Read full HTML Spec

5. Hireups — Real-Time AI Interviewer with Photorealistic Avatar

Photorealistic video avatar interviewer built on Gemini Realtime and self-hosted LiveKit on GCP (VM, Cloud Run, ZeroSSL private server).

Read full HTML Spec

6. MAGe — Multi-Agent Advertising & Media Generation Engine

Google Veo video generation, Playwright brand crawler, Cartesia voice, Subreddit trend scanner, session `contextvars` cost accounting.

Read full HTML Spec

7. UniBias — Live Attention Tracker

Real-time browser-side computer vision inference for video audience attention metrics.

Read full HTML Spec

8. Blood Bank Demand-Forecasting System

IEEE-published software model combining SARIMA/XGBoost with dynamic micro-expiry.

Read full HTML Spec

9. Fraud Detection System (Infosys Springboard ML Internship)

Code: github.com/dev-S-t/FraudDetectionSystem

Hybrid fraud-detection pipeline (ARIMA/Prophet + XGBoost) on a highly imbalanced 400+ feature dataset, reaching 96% fraud recall with an optimised F1-score.