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thisisshivamtiwari/README.md

Shivam Tiwari

Applied AI engineer and co-founder. I build forecasting, pricing and LLM-agent systems that run in production for paying customers.

LinkedIn · Email · Birmingham, UK

Now

  • Applied AI Product Lead, RBS (since February 2026). Building AI agents, agentic-coding workflows and MCP tooling used across RBS's products, and extending KnowMyHotel with new property-management-system integrations and competitor-set and local-events data.
  • M.Sc. Data Science and AI, joint degree from IIT Madras and the University of Birmingham, finishing January 2027.

Background

In 2023 I co-founded Retvens, a hotel revenue-management AI company, and ran its technology. It grew to 2,000+ paying hotels across five countries and a team of 20+, and was acquired by RBS in February 2026; I led the technical due diligence. Before that I built end-to-end encrypted chat for Android at Thotnr and worked on SQL data pipelines and test automation at Infosys.

Selected work

Project What it is My part
KnowMyHotel AI revenue manager giving nightly room-rate suggestions to about 200 subscribed hotels Built the occupancy forecaster: a LightGBM, XGBoost and Prophet ensemble tuned with Optuna and walk-forward validation, K-Means++ clustering for hotels with no history, and 15 leakage-safe lag and rolling features. Pricing changes were A/B-tested on live room rates, with up to 120% revenue uplift at select hotels.
HotelAuditReport Automated revenue audits for hotels Anomaly detection across PMS, channel-manager and OTA data, replacing consultant-led audits.
Nautilus AI Winner, Nutanix Hackathon at IIT Madras Autonomous cloud-operations agent: live telemetry, anomaly detection, an on-premise LLM with RAG, and YAML remediation through the Nutanix Prism API. Cut time to resolution from 4–6 hours to under 30 seconds in the live demo.
ExcelLLM (frontend) Research internship, Walmart Center for Tech Excellence, IIT Madras Multi-agent LLM framework that turns spreadsheet-driven workflows at small businesses into agent pipelines.
Hotel voice agent Prototype, Retvens English and Hindi booking and guest-service calls against a live PMS (Whisper, LangGraph, ElevenLabs). Shelved before launch because the cost per call was too high.
kaushalbot Telegram agent for LinkedIn posts Orchestrator and worker agents on LangChain and Gemini, with LinkedIn sign-in and MongoDB.

Also: finalist, UKFinnovator Innovation Competition at Imperial College London (LLM and multi-agent pipeline for ESG data).

Stack

AI and ML: Python, PyTorch, scikit-learn, LightGBM, XGBoost, Prophet, Optuna, LangGraph, LangChain, MCP, RAG Product engineering: TypeScript, React, Next.js, Vite, Tailwind CSS, Node.js, Express, FastAPI, PHP, MongoDB, Redis, MySQL Mobile: Kotlin, Java, Jetpack Compose, Firebase Infrastructure: Docker, Airflow, Nginx, Linux, Git

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