Career & Projects

A decade building AI that ships

12 years across search, recommendations, and agentic systems — leading teams, owning platforms, and turning models into products that move real metrics.

Experience

Where I've made an impact

Building enterprise AI products and leading high-performing teams across three companies.

Gurgaon · Jun 2018 – Present

GARTNER

Data Scientist → Sr. Data Scientist → Director → Sr. Director (4 promotions)

Directed global DS/ML team of 40+ building enterprise AI products. Developed AskGartner (GenAI assistant), managed $300MN Gartner.com Search with deep learning models, built Conference Recommender with DeepFM. Led innovation in personalization, hybrid search, and multi-stage retrieval systems.

Gurgaon · Mar 2017 – Jun 2018

AMERICAN EXPRESS

Developed scalable ML models for online credit card applications to increase customer acquisition. Led modeling and analytics for international credit card acquisition through digital platform.

Mumbai · Jun 2014 – Mar 2017

GEP Solutions

Developed patented Spend Data Classification tool using Big Data & AI, reducing delivery times by 80% with 30% accuracy uplift. Built proprietary search engine on Elasticsearch for 300Mn+ line items.

Key projects

AI products that drove impact

Measurable business outcomes across search, recommendations, and classification.

Enterprise Search Platform

Gartner

15% reduction in search abandonment, 10% increase in MAU

Built and scaled the main search interface serving millions of queries monthly.

Key achievements

  • 30% reduction in API latency through DAG-based pipeline optimization
  • Custom embedding models for semantic search
  • LLM-powered chatbot with chain-of-thought reasoning

Technologies

SOLREmbeddingsLLMsRAGPython

Conference Recommendation System

Gartner

30% uplift in email CTR, 40% uplift in session attendance

Deep learning recommendation system for 30+ annual conferences.

Key achievements

  • Real-time recommendations via API
  • Automated retraining with drift detection
  • Integrated into Salesforce for sales teams

Technologies

PyTorchSageMakerDeep LearningMLOps

Spend Data Classification (Patent)

GEP Solutions

80% reduction in delivery time, 30% improvement in accuracy

AI-powered automated tool to classify enterprise spend data.

Key achievements

  • US Patent granted (US-10438133-B2)
  • Elasticsearch-based search on 300M+ line items
  • Production system processing billions in spend data

Technologies

NLPML ClassificationBig Data

Tech stack

Tools for production AI systems

The technologies I reach for when building and shipping AI products.

GenAI, Agents & Search Engine

Gen AI / LLMsRAG, Vector SearchLLMsPyTorchLangChainMCPSOLROpenSearch

Machine Learning and Data Science

Language ModelsTransformersLearning to RankClassificationClusteringPredictive Modeling

MLOps & Cloud

AWS SageMakerKubernetesDockerMLFlowJenkinsLambdaEC2

Data Engineering

AWS EMRPySparkSQLAWS AthenaRedisAWS S3AWS KinesisETL PipelinesData Warehouse

Programming & Tools

PythonGitFastAPIStreamlitJupyterREST APIsMCP Servers

Analytics & BI

PowerBIAWS QuicksightSQL AnalyticsA/B TestingMetrics Design

Education

Foundations

Statistics and applied math from two of India's leading institutions.

2012 – 2014

IIT Bombay

Master of Science · Applied Statistics & Informatics

2009 – 2012

University of Delhi

Bachelor of Science (Hons.) · Statistics