The Story Behind the Code
From building college portals to architecting enterprise AI systems for Fortune 500 clients.
I'm Purnendu Das, a Senior GenAI Developer based in India with over 5 years of experience building production-ready AI systems. My journey started as a Full Stack Developer, transitioned through Data Engineering, and evolved into specializing in Generative AI and Large Language Models.
Today, I architect enterprise-grade RAG systems, Multi-Agent platforms, and LLMOps pipelines for Tier-1 clients in finance, healthcare, and retail. I've worked with companies like EPAM Systems, PwC, Cognizant, and TCS.
I believe in building AI systems that actually work at scale — not just impressive demos. Every solution I create goes through rigorous testing, security compliance (DevSecOps), and performance optimization before hitting production.
What I Do
RAG Architecture
Building hybrid retrieval systems with sub-second latency for enterprise knowledge bases.
Multi-Agent Systems
Orchestrating autonomous agents for complex workflows in healthcare and finance.
LLMOps & Fine-tuning
PEFT, LoRA fine-tuning and production deployment pipelines for LLM operations.
Cloud AI Infrastructure
AWS Bedrock, GCP, and cloud-native architectures for scalable AI solutions.
Quick Info
Location
India · Open to Remote
Experience
5+ Years
Education
B.Tech CSE (CGPA: 8.15)
GCETTB, 2016-2020
Languages
Status
Download Resume
PDF format
Certifications
Industry-recognized certifications validating my expertise
+ 8 more certifications from Google, IBM, IIT Bombay, and more
Awards & Honors
Recognition for technical excellence and leadership
Delivery Head Award
EPAM Systems
@ EPAM Systems · 2025
Recognized for driving innovation and successful deployment of high-complexity AI initiatives
12 Leadership Commendations
Delivery Head, Director & Stakeholders
@ PwC · 2024-2025
Consistently recognized for technical excellence and cross-functional leadership in driving AI innovation
Rising Star - Best Newcomer (Anula Award)
AI&A Leadership Team
@ Cognizant · Jan 2024
Annual award recognizing exceptional technical contributions and leadership within the AI division
Code As One Award
Director
@ Cognizant · Jun 2023
Recognized for exceptional collaborative achievements
IRA Top Performer (All India)
TCS
@ TCS · Mar 2021
Selected among only 22 toppers across India in Initial Readiness Assessment
Want to Work Together?
I'm always open to discussing new projects, opportunities, or just having a chat about AI.
Get in Touch