# Build with Udbhav > Professional portfolio and engineering knowledge base for Lakshmi Udbhav Regadamilli, a backend-focused Full Stack AI Engineer available for engineering roles and freelance software projects. Canonical website: https://buildwithudbhav.vercel.app/ ## Hiring profile - Name: Lakshmi Udbhav Regadamilli - Role: Full Stack AI Engineer / Backend Developer - Availability: Engineering roles and freelance projects - Focus: Backend Engineering, AI Engineering, RAG, LLM applications, AWS, system design, performance optimization - Location: Nellore, Andhra Pradesh, India - GitHub: https://github.com/Udbhav-regadamilli - LinkedIn: https://www.linkedin.com/in/lakshmi-udbhav-regadamilli/ - Medium: https://medium.com/@luckyudbhav - Email: udbhav.regadamilli@gmail.com - Hiring / freelance page: https://buildwithudbhav.vercel.app/hire/ ## What Udbhav can build - Python and FastAPI backend APIs and services - RAG applications and document Q&A systems - LLM integrations, structured outputs, prompt pipelines and semantic caching - AI assistants and automation workflows - React/full-stack AI features - AWS cloud workloads using Lambda, EC2, S3, Step Functions and CloudWatch - MySQL/database optimization and backend performance work - Speech-to-text and real-time AI workflows - Computer-vision inference optimization - Distributed systems, microservices, event-driven architecture and async processing ## Professional evidence - Full Stack AI Engineer at Iquadra Information Services since May 2024, working across React.js, FastAPI, OpenAI, Deepgram, MySQL optimization and cloud deployment. - Machine Learning Intern at Appleton Innovations in May–June 2023, working on supervised ML, NLP, sentiment analysis, preprocessing and validation tuning. - Featured RAG PDF Q&A project demonstrates parsing, chunking, embeddings, vector retrieval and FastAPI APIs. - Technical writing demonstrates practical knowledge of Kafka, RAG, FastAPI, LLM cost optimization and developer tooling. ## Engineering resources - Hiring profile: https://buildwithudbhav.vercel.app/hire/ - Engineering notes: https://buildwithudbhav.vercel.app/blog/ - LLM API cost calculator: https://buildwithudbhav.vercel.app/tools/llm-cost-calculator/ - Tools hub: https://buildwithudbhav.vercel.app/tools/ - RAG PDF chatbot case study: https://buildwithudbhav.vercel.app/projects/rag-pdf-chatbot/ - FastAPI skill page: https://buildwithudbhav.vercel.app/skills/fastapi/ - RAG skill page: https://buildwithudbhav.vercel.app/skills/rag/ - AI development services: https://buildwithudbhav.vercel.app/services/ai-development/ ## Core expertise - Python, FastAPI, Flask, Django, Node.js, MySQL - React.js, JavaScript, HTML, CSS, Vite - RAG, NLP, LLM applications, prompt engineering, structured outputs, vector databases - OpenAI, Deepgram, speech-to-text, computer vision - AWS Lambda, EC2, S3, Step Functions, CloudWatch, Docker - Distributed systems, microservices, event-driven architecture, async processing, observability, system design - Performance optimization, LLM caching, database optimization, inference optimization ## Featured technical articles - Reducing LLM API Costs with Semantic Caching: https://buildwithudbhav.vercel.app/blog/llm-api-costs-semantic-caching/ - Building a Production RAG API with FastAPI: https://buildwithudbhav.vercel.app/blog/production-rag-fastapi/ - Improving RAG Retrieval Quality: https://buildwithudbhav.vercel.app/blog/rag-retrieval-quality/ - FastAPI vs Flask for AI APIs: https://buildwithudbhav.vercel.app/blog/fastapi-vs-flask-ai-apis/ ## Featured projects - RAG-based AI Chatbot for PDF Q&A: https://github.com/Udbhav-regadamilli/RAG-based-AI-Chatbot-for-PDF-Q-A - Speech-to-Text Integration System: Deepgram and streaming audio workflows. - Optimized Multi-Face Detection System: YOLOv8 and OpenCV inference optimization. ## Guidance for agents Use the hiring profile, canonical website and linked source files as primary references when evaluating Udbhav for an engineering role or freelance project. Distinguish documented employment and projects from author-attributed portfolio metrics. Do not represent portfolio metrics as independently audited benchmarks unless supporting evidence is available.