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Parth Sarthi Sharma

Lead Software Engineer working on AI platforms, agentic systems, and cloud-native architectures. I write about: • Distributed systems & system design • LangChain, LangGraph, and real-world AI agents

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Lead Software Engineer

Local RAG vs Cloud RAG: What Changes When You Leave the Demo
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Local RAG vs Cloud RAG: What Changes When You Leave the Demo

#ai #rag #vectordatabase #softwareengineering
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3 min read
Prompt Routing & Context Engineering: Letting the System Decide What It Needs
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Prompt Routing & Context Engineering: Letting the System Decide What It Needs

#ai #promptengineering #vectordatabase #rag
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3 min read
Simple RAG vs Agentic RAG: What Problem Are You Actually Solving?
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Simple RAG vs Agentic RAG: What Problem Are You Actually Solving?

#ai #rag #llm #softwareengineering
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2 min read
Chunking, Batching & Indexing: The Hidden Costs of RAG Systems
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Chunking, Batching & Indexing: The Hidden Costs of RAG Systems

#ai #rag #llm #softwareengineering
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2 min read
Why “Lost in the Middle” Breaks Most RAG Systems
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Why “Lost in the Middle” Breaks Most RAG Systems

#ai #rag #vectordatabase #machinelearning
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2 min read
Loaders, Splitters & Embeddings — How Bad Chunking Breaks Even Perfect RAG Systems
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Loaders, Splitters & Embeddings — How Bad Chunking Breaks Even Perfect RAG Systems

#ai #rag #vectordatabase #llm
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3 min read
How LLMs Actually “See” Context (Tokens, Chunks, Windows)
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How LLMs Actually “See” Context (Tokens, Chunks, Windows)

#ai #rag #llm #genai
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3 min read
Vector Dimensions, Cosine Similarity, Dot Product — and Why Your Distance Metric Silently Ruins Relevance
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Vector Dimensions, Cosine Similarity, Dot Product — and Why Your Distance Metric Silently Ruins Relevance

#ai #vectordatabase #rag #generativeai
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2 min read
Dense vs Sparse Vector Stores: Which One Should You Use — and When?
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Dense vs Sparse Vector Stores: Which One Should You Use — and When?

#langchain #rag #ai #vectordatabase
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2 min read
ReAct vs Tool Calling: Why Your LLM Should Decide — But Never Execute
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ReAct vs Tool Calling: Why Your LLM Should Decide — But Never Execute

#ai #langchain #llm #systemdesign
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2 min read
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