Building AI Solutions that Drive Business Innovation

Senior Generative AI Engineer specializing in LLMs, RAG architectures, and enterprise AI solutions. I transform business challenges into intelligent systems that deliver measurable impact and innovation.

Explore AI Projects
Senior GenAI Engineer Portrait

About Me

Senior Generative AI Engineer (5+ years) building enterprise Agentic AI copilots and MCP-driven multimodal RAG systems using LangChain, LangGraph, and LlamaIndex with LoRA/PEFT, deployed on AKS. Strong in vector DBs (Pinecone, FAISS, Chroma), PySpark, Databricks, ADF, and production MLOps (Docker, FastAPI, CI/CD).

10+

Projects Completed

5+

Happy Clients

5+

Years Experience

6

Certifications

Professional Certifications

Microsoft
Microsoft Azure Fundamentals badge

Microsoft Azure Fundamentals

AZ-900

Microsoft
Azure Data Fundamentals badge

Azure Data Fundamentals

DP-900

Databricks
Databricks Fundamentals badge

Databricks Fundamentals

Databricks
Generative AI Fundamentals badge

Generative AI Fundamentals

Databricks
Azure Databricks Platform Architect badge

Azure Databricks Platform Architect

Apache
Apache Airflow Fundamentals badge

Apache Airflow Fundamentals

Professional Journey

I transform raw data into gold! ✨ Check out how I've helped below companies discover hidden insights and make smarter choices that really matter.

TEKsystems Global Services Pvt. Ltd

Senior Generative AI Engineer | Technical Lead

Dec 2025 - Present
LangGraphPineconeFastAPIMistralAzure AI
Show Details

Syren Technologies Private Limited

Senior Generative AI Engineer | Technical Lead

Jul 2025 - Dec 2025
LangGraphPineconeFastAPIMistralLoRA
Show Details

RWS Moravia India Private Limited

Senior Generative AI Engineer

Jan 2024 - Jul 2025
LlamaIndexLangChainAzure Cognitive SearchMongoDBPower BI
Show Details

BinaryERP Technologies India Private Limited

Junior Data Scientist

Jul 2022 - Dec 2023
PythonNLPSemantic SearchData PipelinesPower BI
Show Details

Capgemini Technology Services India Limited

Associate Data Engineer

Jan 2021 - Jul 2022
SQL ServerSSISData ValidationETLAutomation
Show Details

Technical Expertise

Production-grade GenAI systems backed by strong data engineering foundations.

GenAI Systems

RAG Architecture

LangChain

LlamaIndex

LangGraph

Agentic Workflows

Prompt Engineering

Embedding Models

Semantic Search

Multilingual QA

Multimodal AI

Services Offered

Comprehensive solutions combining cutting-edge Generative AI innovations with robust data engineering foundations to transform your business through intelligent systems and scalable data architectures.

LLM Integration & Development

Expert integration of state-of-the-art language models like GPT-4, Claude, and open-source alternatives into your business applications for intelligent automation.

RAG Architecture & Vector Search

Design and implement sophisticated Retrieval-Augmented Generation systems with vector databases for accurate, context-aware AI responses grounded in your data.

AI Agent Development

Build intelligent AI agents with reasoning capabilities, tool usage, and memory systems for complex task automation and decision support.

Fine-tuning & Model Optimization

Custom fine-tuning of foundation models using PEFT, LoRA, and QLoRA techniques for domain-specific applications with optimal performance and cost efficiency.

Data Pipeline Engineering

Design and build scalable ETL/ELT pipelines using modern tools like Apache Spark, Airflow, and DBT for efficient data processing and transformation at scale.

Real-time Data Streaming

Implement real-time data streaming architectures using Apache Kafka, Flink, and Spark Streaming for low-latency data processing and event-driven applications.

Featured Projects

Innovative AI solutions and data engineering projects that drive business transformation through intelligent automation and scalable architectures.

Agentic AI Content Generator

Orchestrated an autonomous AI system using LangGraph to research and generate LinkedIn posts, cutting content creation time by 84% through parallel processing and boosting engagement with quality scoring and A/B testing.

LangGraphOpenAI APIMulti-Agent SystemsA/B TestingContent Optimization

Talksmith - Intelligent RAG Chatbot

Architected an AI-powered recruiter assistant using LlamaIndex and Pinecone, achieving high F1-scores on internal datasets while reducing resume screening workload by 33% across 1,000+ applications.

LlamaIndexOpenAI EmbeddingsPineconeFastAPIRAG Architecture

Swiss Legal RAG Chatbot

Engineered a GDPR-compliant legal assistant for contract drafting and clause summarization, implementing secure ingestion with semantic chunking that accelerated document turnaround by 45%.

RAG PipelineSemantic ChunkingGDPR ComplianceLangChainVector Database

Enterprise AI Data Assistant

Built a domain-specific chatbot integrating HR and Finance data using Databricks ETL, LangChain, and Azure OpenAI, reducing routine queries by 40% and saving 200+ monthly staff hours.

LangChainAzure OpenAIDatabricks ETLCognitive SearchEnterprise AI

Google Data Migration Pipeline

Architected a high-performance ETL pipeline migrating 15+ TB of Google API data from MongoDB to Azure SQL with zero data loss, achieving 28% cost reduction through optimized data processing.

Azure Data FactoryAzure DatabricksPySparkMongoDBBig Data ETL

Cloud Migration & MLOps

Led enterprise-scale migration leveraging incremental load patterns and ML-driven optimization, reducing migration time by 40% while establishing automated MLOps pipelines for continuous model deployment.

Azure MLMLOpsIncremental LoadingAzure DatabricksCI/CD

Testimonials

Don't just take my word for it — hear what clients and colleagues have to say about my expertise and the impact of my work.

Swarnava helped us scale our AI copilot from prototype to production. His optimization cut our response time by more than half. Brilliant engineer.

RM

Rahul Menon

Tech Lead

Syren Technologies

He built our first RAG system and made the AWS to Azure migration look easy. The 25% cost savings was just the cherry on top.

SC

Sarah Chen

Senior Engineer

RWS Moravia

Started as a junior but quickly became our NLP expert. That semantic search demo he built over a weekend? It's now in production.

AB

Amit Banerjee

Product Manager

BinaryERP

Swarnava doesn't just write code - he solves problems. Our data processing went from hours to minutes thanks to his automation work.

PN

Priya Nair

Team Lead

Capgemini

His fine-tuning work on Mistral-7B was impressive. But what really stood out was how well he documented everything for the team.

RK

Rajesh Kumar

ML Engineer

Syren Technologies

Rare to find someone who's both technically deep and business-savvy. He always asks 'why' before diving into 'how'.

MT

Michael Thompson

Engineering Manager

RWS Moravia

Ready to Power Your Business with AI & Data?

Let's build intelligent AI solutions and robust data pipelines that transform your operations and unlock new possibilities.

Get In Touch

Interested in working together? Let's discuss how I can help transform your data into actionable insights.

Contact Information

Location

Kolkata, West Bengal, India

Connect with me

Send a Message