Full-Stack Engineer & AI/ML Specialist. 8+ years shipping production software — from web apps and AI agents to RAG systems and scalable platforms.https://mehuljari.in/https://mehuljari.in/blog/how-i-replaced-50-engineers-with-ai-agents/https://mehuljari.in/blog/how-i-replaced-50-engineers-with-ai-agents/The architecture behind an autonomous AI agent that processes legal documents, generates drafts, and handles 80% of a lawyer's prep work — built with LangGraph and Temporal.Sun, 15 Mar 2026 00:00:00 GMThttps://mehuljari.in/blog/why-your-rag-system-sucks/https://mehuljari.in/blog/why-your-rag-system-sucks/The 7 most common RAG failures I've seen in production — bad chunking, missing re-ranking, no evaluation, and the fixes that actually work.Thu, 20 Nov 2025 00:00:00 GMThttps://mehuljari.in/blog/system-design-real-time-analytics-ibm/https://mehuljari.in/blog/system-design-real-time-analytics-ibm/The architecture behind a cloud-native analytics platform processing millions of events daily across AWS, Azure, and GCP — with Kafka, Kubernetes, and custom ML models.Sun, 10 Aug 2025 00:00:00 GMThttps://mehuljari.in/blog/scalable-ai-applications-rag-langchain/https://mehuljari.in/blog/scalable-ai-applications-rag-langchain/A practical guide to building production-ready RAG applications using LangChain, covering architecture patterns, chunking strategies, and scaling considerations.Wed, 15 Jan 2025 00:00:00 GMThttps://mehuljari.in/blog/tesco-grocery-platform-scale/https://mehuljari.in/blog/tesco-grocery-platform-scale/Inside the engineering challenges of building and scaling Tesco's omnichannel grocery platform for UK, Central Europe, and Asia Pacific.Sun, 01 Dec 2024 00:00:00 GMThttps://mehuljari.in/blog/ai-contact-enrichment-platform/https://mehuljari.in/blog/ai-contact-enrichment-platform/How I built an AI agent that enriches 10,000+ contacts daily with 95% accuracy, transforming a B2B SaaS company's sales pipeline.Fri, 15 Nov 2024 00:00:00 GMThttps://mehuljari.in/blog/enterprise-rag-document-search/https://mehuljari.in/blog/enterprise-rag-document-search/How I built an enterprise document search system for a Fortune 500 financial services company that reduced lookup time by 90%.Fri, 20 Sep 2024 00:00:00 GMThttps://mehuljari.in/blog/data-unification-platform/https://mehuljari.in/blog/data-unification-platform/Building a real-time data platform that consolidated HubSpot, Salesforce, Stripe, and 9 other tools for a Series B startup.Wed, 10 Jul 2024 00:00:00 GMThttps://mehuljari.in/blog/advanced-typescript-patterns/https://mehuljari.in/blog/advanced-typescript-patterns/Type-safe patterns for building large-scale TypeScript applications — discriminated unions, branded types, and generic constraints.Sun, 07 Jul 2024 00:00:00 GMThttps://mehuljari.in/blog/customer-support-ai-agent/https://mehuljari.in/blog/customer-support-ai-agent/How I built an AI-powered customer support agent for an e-commerce platform that saved $150K annually.Wed, 15 May 2024 00:00:00 GMThttps://mehuljari.in/blog/microservices-nodejs-docker/https://mehuljari.in/blog/microservices-nodejs-docker/Lessons from building and deploying microservices at scale — service communication, containerization, and observability patterns.Fri, 05 Jan 2024 00:00:00 GMThttps://mehuljari.in/blog/ai-agents-crewai-autogen/https://mehuljari.in/blog/ai-agents-crewai-autogen/A practical comparison of multi-agent frameworks — when to use CrewAI, AutoGen, or LangGraph for building AI agent systems.Fri, 15 Dec 2023 00:00:00 GMThttps://mehuljari.in/blog/event-driven-kafka-message-queues/https://mehuljari.in/blog/event-driven-kafka-message-queues/Designing resilient, scalable systems with Kafka, RabbitMQ, and event-driven patterns — producers, consumers, and exactly-once semantics.Thu, 30 Nov 2023 00:00:00 GMT