Hirenkumar Patel
Mentor
(4 reviews)
US$15.00
For every 15 mins
9
Sessions/Jobs
ABOUT ME
Senior/Lead/Architect Java Web Developer
Senior/Lead/Architect Java Web Developer
Senior AI Engineer and Solution Architect with 15+ years of experience designing scalable enterprise systems and cloud-native applications.
Specialized in Generative AI, LLMOps, Agentic AI, Retrieval-Augmented Generation (RAG), and scalable AI backend architectures.
Built production-grade AI platforms for healthcare, fintech, and SaaS companies using Python, FastAPI, OpenAI, LangChain, LangGraph, vector databases, and cloud-native technologies.
Experienced in architecting high-throughput distributed systems, integrating LLMs into enterprise applications, and deploying secure, scalable solutions on AWS and Kubernetes.
Core Expertise:
• Generative AI and LLMOps
• Agentic AI and AI Agents
• RAG Systems and Vector Databases
• FastAPI and Python
• OpenAI, LangChain, and LangGraph
• Prompt Engineering and MCP Integrations
• Event-Driven and Distributed Architectures
• AWS, Kubernetes, and CI/CD
Available for remote full-time and consulting opportunities across EST, PST, CET, and IST time zones.
Hindi, English
New Delhi (+05:30)
Joined August 2019
EXPERTISE
3 years experience
5 years experience
3 years experience
3 years experience
RAG
2 years experience
Langgraph
1 year experience
2 years experience
REVIEWS FROM CLIENTS
(4 reviews)
Nadav Stern
June 2022
Hirenkumar is a nice guy it was a pleasure to talk with him
Removed User
April 2022
Very nice personality, hard working, good explanations.
Frank Wiebeler
April 2022
Really fast and helpful
Atibhi Agrawal
March 2022
Very knowledgable in Java and clearly and patiently cleared doubts.
SOCIAL PRESENCE
LLM-Connector-Service
Python
1
0
Coursera_Capstone
Coursera_Capstone
Jupyter Notebook
1
0
1 Reputation
0
0
2
EMPLOYMENTS
Senior AI Engineer | AI Architect | Generative AI | Agentic AI | LLMOps | RAG | LangGraph
Independent Consultant
2019-09-01-Present
- Designed and deployed production-grade AI platforms using FastAPI, OpenAI, LangChain, Pinecone, and AWS.
- Built scalable b...
- Designed and deployed production-grade AI platforms using FastAPI, OpenAI, LangChain, Pinecone, and AWS.
- Built scalable backend services integrating OpenAI and Hugging Face models with Redis and Celery.
- Architected agentic AI workflows capable of interacting with documents, APIs, and multimodal models.
- Optimized API performance, reducing response latency by 40%.
- Developed Retrieval-Augmented Generation solutions using vector databases and semantic search.
AI-Enhanced OMS Chatbot
- Integrated an AI-powered conversational assistant into an enterprise order management platform.
- Implemented RAG, function calling, guardrails, and conversational memory for secure information retrieval and task execution.
- Enabled natural language interactions while preserving existing business workflows.
Real Estate Document Intelligence Platform
- Built a knowledge platform capable of answering questions across thousands of documents.
- Implemented semantic search using LangChain and Pinecone with authentication and role-based access control.
- Improved document discovery through contextual AI responses.
Banking CRM & Trade Analytics Platform
- Architected an AI-driven platform delivering conversational insights for customer and trade analytics.
- Developed RAG-enabled capabilities and analytics workflows to support compliance and business intelligence.
- Delivered AI-powered insights and dashboards for data-driven decision-making.
Python
Redis
Design Architecture
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Python
Redis
Design Architecture
OpenAI
Fastapi
Huggingface
Software architecture
AWS
Prompt Engineering
Langchain
Generative AI
LLM
Pinecone
Vector databases
Langgraph
Ai agent
View more
Technical Lead
CIGNEX Datamatics
2012-01-01-2019-08-01
- Led architecture and delivery of enterprise web applications.
- Designed scalable service-oriented solutions and mentored d...
- Led architecture and delivery of enterprise web applications.
- Designed scalable service-oriented solutions and mentored development teams.
- Established CI/CD, code quality, and automated testing practices.
- Collaborated with business stakeholders to translate requirements into technical solutions.
Java
SQL
Spring Boot
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Java
SQL
Spring Boot
Web Services Integration
AWS
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Associate Project
Cognizant
2010-08-01-2011-12-01
- Contributed to application design and low-level architecture using UML modeling techniques.
- Designed and developed multi-...
- Contributed to application design and low-level architecture using UML modeling techniques.
- Designed and developed multi-tier enterprise web applications following J2EE standards and best practices.
- Collaborated with business stakeholders to gather requirements and provide technical guidance to product teams.
- Built reusable application frameworks using Struts, Spring, and Hibernate to improve maintainability and accelerate development.
Apache struts
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Apache struts
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PROJECTS
Enterprise AI Order Management Assistant
2026
Integrated an AI-powered conversational assistant into an enterprise Order Management System. Implemented Retrieval-Augmented Generation ...
Integrated an AI-powered conversational assistant into an enterprise Order Management System. Implemented Retrieval-Augmented Generation (RAG), function calling, guardrails, and conversational memory to enable secure order retrieval and creation while preserving existing workflows.
OpenAI
AWS
Langchain
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OpenAI
AWS
Langchain
LLM
Vector databases
RAG
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Real Estate Document Intelligence Platform
2025
Built a document intelligence chatbot capable of answering questions across thousands of documents stored in Google Drive. Implemented se...
Built a document intelligence chatbot capable of answering questions across thousands of documents stored in Google Drive. Implemented semantic search and role-based access controls to provide secure, context-aware responses.
Python
OpenAI
Fastapi
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Python
OpenAI
Fastapi
Prompt Engineering
Langchain
Pinecone
Vector databases
RAG
Ai agent
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