RISHAV CHATTERJEELead AI Engineer & Data Architect

I specialize in architecting scalable Agentic AI ecosystems and high-performance data pipelines.

Reducing data pipeline costs by 30-60% while cutting processing time in half.

Available for projects starting Q2 2026

Trusted by Forward-Thinking Companies

The Weather Company
IBM
Bitwise
Gartner
Novartis
Polestar
Jubilant FoodWorks
Dominos
Reckitt Benckiser
Dettol
IndiaMart
The Weather Company
IBM
Bitwise
Gartner
Novartis
Polestar
Jubilant FoodWorks
Dominos
Reckitt Benckiser
Dettol
IndiaMart
The Weather Company
IBM
Bitwise
Gartner
Novartis
Polestar
Jubilant FoodWorks
Dominos
Reckitt Benckiser
Dettol
IndiaMart
The Weather Company
IBM
Bitwise
Gartner
Novartis
Polestar
Jubilant FoodWorks
Dominos
Reckitt Benckiser
Dettol
IndiaMart
RISHAV - AI Tech Lead & Data Specialist

Hi, I'm RISHAV.

To thrive in today's fast-paced landscape, I treat AI as a core component of my delivery process. Beyond leveraging Copilot, Claude, Gemini, and ChatGPT for accelerated development and debugging, I specialize in orchestrating autonomous agents using LangGraph, Ollama and AutoGen. These frameworks allow me to automate complex analytical workflows and scale intelligence across the enterprise.

8+
Years Experience
10+
Brands Served
50%
Reduced Delivery Time
60%
Reduced Cost

How I Can Help

Expert services tailored to modernize your data infrastructure and accelerate AI adoption.

Agentic AI Development

Building autonomous, self-correcting AI systems that solve complex enterprise workflows. I move beyond simple chatbots to architect multi-agent ecosystems that can reason, plan, and execute tasks.

LangGraphAutoGenOpenAI/Claude APIRAG Pipelines

Data Pipeline Optimization

Transforming sluggish, legacy ETL processes into high-performance, real-time data streams. I optimize for cost, latency, and reliability, ensuring your data is ready when you need it.

SnowflakeAWS Glue/BatchAirflowPython/SQL

Cloud Migration Strategy

Leading safe, efficient migrations from on-premise to cloud (AWS/Azure). I handle the architecture, security, and cost-modeling to ensure a seamless transition with zero downtime.

AWSAzureDocker/KubernetesInfrastructure as Code

Trusted by Technical Leaders

Ivan Cheklin, BI Leader at IBM - TWC

BI Leader

IBM - TWC

"Rishav is an exceptional talent who consistently delivers high-quality solutions. His technical expertise and problem-solving skills make him an invaluable asset to any team."

VERIFIED CLIENT
Sylvia Ho, Principal Data Scientist at IBM - TWC

Principal Data Scientist

IBM - TWC

"Working with Rishav was a game-changer for our data visualization projects. His innovative approach and attention to detail resulted in solutions that exceeded our expectations."

VERIFIED CLIENT
Garima Narang, Group Lead at Novartis Healthcare Pvt Ltd

Group Lead

Novartis Healthcare Pvt Ltd

"Working with Rishav on our data migration project was exceptional. His technical expertise in Snowflake and pipeline optimization transformed our analytics capabilities. He's a collaborative team player who consistently delivers beyond expectations."

VERIFIED CLIENT
Salvatore Guglielmo, Assistant Director at Novartis Inc

Assistant Director

Novartis Inc

"Rishav's leadership during our data warehouse migration was outstanding. He demonstrated excellent problem-solving skills and technical depth while maintaining clear communication throughout. His work significantly improved our data processing efficiency and analytical capabilities."

VERIFIED CLIENT
Ivan Cheklin, BI Leader at IBM - TWC

BI Leader

IBM - TWC

"Rishav is an exceptional talent who consistently delivers high-quality solutions. His technical expertise and problem-solving skills make him an invaluable asset to any team."

VERIFIED CLIENT
Sylvia Ho, Principal Data Scientist at IBM - TWC

Principal Data Scientist

IBM - TWC

"Working with Rishav was a game-changer for our data visualization projects. His innovative approach and attention to detail resulted in solutions that exceeded our expectations."

VERIFIED CLIENT
Garima Narang, Group Lead at Novartis Healthcare Pvt Ltd

Group Lead

Novartis Healthcare Pvt Ltd

"Working with Rishav on our data migration project was exceptional. His technical expertise in Snowflake and pipeline optimization transformed our analytics capabilities. He's a collaborative team player who consistently delivers beyond expectations."

VERIFIED CLIENT

Key Strategic Wins

Proven ROI: Transforming complex challenges into measurable business impact.

Tech Lead

Programmatic Ad Pipleline Optimization

The Challenge

Legacy processing pipeline was taking 14+ hours, frequently missing internal SLAs and causing revenue attribution delays.

The Solution

Re-architected the entire flow using AWS Batch for parallel processing and optimized Snowflake merge logic to reduce lock contention.

The Impact

Reduced runtime to ~5 hours (60% improvement) and cut compute costs by 30% by moving off always-on instances.

60%
Time Saved
30%
Cost Reduction
99.9%
SLA Adherence
AWS BatchSnowflakePythonDocker
Architect

Enterprise Data Quality Framework

The Challenge

Manual data validation across 15+ brands led to silent failures and bad data entering executive dashboards.

The Solution

Built a serverless validation framework (AWS Lambda) with AI-generated rules that syncs bidirectional with Google Sheets for non-tech users.

The Impact

Eliminated manual QA time by 100% and caught 50+ critical data issues in the first month before they reached production.

-100%
Manual Effort
15 Brands
Coverage
50+
Errors Caught
AWS LambdaOpenAIGoogle Sheets APIPython
Lead AI Engineer

Agentic AI Customer Support

The Challenge

Customer support agents were spending 40% of time searching for policy info across scattered PDFs and Notion docs.

The Solution

Deployed a RAG-based multi-agent system (LangGraph) that retrieves context and drafts responses, with a human-in-the-loop review step.

The Impact

Reduced average handling time (AHT) by 45% and improved first-contact resolution by 25%.

45%
AHT Reduction
+25%
Resolution Rate
10k+
Docs Indexed
LangGraphPineconeFastAPIReact

Professional Journey

A timeline of technical leadership and engineering excellence.

Project Leader

Gartner India (Bitwise)
REMOTE
Gurugram, Haryana
Dec 2022 - Present
7000+
Users
-88%
Processing Time
60%
Cost Saving

Key Achievements

  • Spearheaded the company-wide launch of GOAT (Gartner’s Own Agentic Tech), an enterprise-grade Agentic AI platform, **reducing internal query resolution time by 88%**.
  • Re-architected the GOAT platform from AWS EKS to a serverless AWS Lambda framework, enabling **scale for 5,000+ concurrent users** while reducing cloud costs.
  • Engineered an automated A/B testing framework for LLMs, benchmarking performance and **improving token efficiency by 40%**.

Senior Data Engineer

Novartis Healthcare Pvt Ltd
REMOTE
Hyderabad, Telangana
May 2020 - Dec 2022
+60%
Pipeline Performance
+40%
System Speed
99.5%
Data Accuracy

Key Achievements

  • Migrated from HIVE to Snowflake, increasing pipeline performance by **60%** and reducing query times.
  • Orchestrated jobs using Apache Airflow and Alteryx, improving system speed by **40%**.
  • Maintained **99.5% data accuracy** with **9.5/10 stakeholder satisfaction** across 15 brands.

Data Engineer

Polestar Solutions and Services
Noida, Uttar Pradesh
Jun 2018 - Apr 2020
-66%
Execution Time
-50%
Storage Cost
100%
Cloud Migration

Key Achievements

  • Worked with Jubilant FoodWorks to reduce production pipeline execution time by 66%
  • Migrated IndiaMART's on-premises system to AWS
  • Delivered automated prediction model workflows for Reckitt Benckiser using Azure Databricks

Freelance & Consulting

Enterprise-grade solutions delivered on your schedule.

IBM - TWC
-60%
Processing Time Reduced
-30%
Infra Cost Savings
  • Engineered an intelligent Data Quality Framework utilizing asynchronous AWS Lambda architecture. Integrated AI-driven anomaly detection to automate the identification and remediation of data integrity issues in real-time.
  • Architected a large-scale migration to dbt (Data Build Tool), modernizing the transformation layer. Achieved a 40% reduction in processing latency and a 30% decrease in infrastructure overhead through optimized modular modeling.
  • Spearheaded the enterprise-wide transition from Qlik Sense to Preset, enhancing self-service analytics accessibility while significantly reducing licensing expenditure.
Agentic AIPythonSQLAWSAirflowTableau CRMSalesforceQlik Sense+more
Green Space Energies
  • Successfully architected and launched greenspaceenergies.com, providing the client with a professional, high-performance digital presence.
  • Engineered a zero-cost hosting strategy by leveraging Vercel's serverless infrastructure, meeting client budget constraints without sacrificing scalability.
Next.jsReactVercelCline/Claude 3.5+more
Reventus Services
  • Architechted and developed a scalable and responsive website for the client reventus.in
  • Sucessfully deployed and hosted the single page scrollable website on goDaddy
HTMLCSSjQueryBootstrap

Industry Expertise

Sales
Procurement
Customer Feedback
Healthcare
Advertising
Supply Chain Management
E-commerce Analytics
Pharmaceutical Data Management
Healthcare Forecasting
Retail Operations
Cloud Infrastructure Migration
Remote Work
Sales
Procurement
Customer Feedback
Healthcare
Advertising
Supply Chain Management
E-commerce Analytics
Pharmaceutical Data Management
Healthcare Forecasting
Retail Operations
Cloud Infrastructure Migration
Remote Work
Sales
Procurement
Customer Feedback
Healthcare
Advertising
Supply Chain Management
E-commerce Analytics
Pharmaceutical Data Management
Healthcare Forecasting
Retail Operations
Cloud Infrastructure Migration
Remote Work

Technical Map

A balanced mix of Data Engineering solidity and Agentic AI innovation.

Education

Aug 2014 - May 2018

Delhi Technological University (DTU)

Bachelor's Degree
Environmental Engineering

Focused on environmental engineering principles and sustainable technologies. Participated in multiple research projects related to waste management and environmental impact assessment. Developed strong analytical and problem-solving skills through practical lab work and field studies. Active member of the Engineering Society and Environmental Club.

Rohini, Delhi
Apr 2013 - Mar 2014

LBS Senior Secondary School - FIITJEE

12th Education
Physics, Chemistry, Mathematics

Completed senior secondary education with specialization in science subjects. Achieved academic excellence with particular strength in mathematics and physics. Participated in various inter-school competitions and science exhibitions. Developed strong foundations in analytical thinking and scientific concepts that later supported engineering studies.

R.K. Puram, Delhi
Apr 2011 - Mar 2012

MVN School, Aravalli Hills

10th Education
English, Mathematics, Science, Social Studies, Sanskrit

Completed foundational education with a strong academic record across all subjects. Actively participated in various extracurricular activities including sports, cultural events, and science exhibitions. Received recognition for academic performance and leadership skills in group projects and classroom activities.

Faridabad, Haryana

Ready to Accelerate Your Data Strategy?

Whether you need a fractional AI Lead or an expert to untangle your data pipeline, let's start a conversation.