Insights, tutorials, and thoughts on modern software development, AI/ML applications, cloud architecture, and emerging technologies.
Learn how to build stateful microservices using the Dapr virtual actor model — covering state persistence, timers vs reminders, and real-world patterns from a trading platform. By Sandeep Kothapalli, SandyTech.
Read More
A practical decision guide for choosing between Azure Container Apps and AKS for .NET microservices — covering cost, autoscaling, Dapr integration, and the trade-offs that actually matter. By Sandeep Kothapalli, SandyTech.
Read More
Build a complete lead automation pipeline with n8n — webhook ingestion, data transformation, CRM upsert, Slack notifications, and email follow-up. Real patterns from SandyTech's MVP client workflows. By Sandeep Kothapalli.
Read More
Real lessons from building RAG pipelines for enterprise clients — five production mistakes covering chunking, metadata filtering, embedding model mismatch, re-ranking, and LLM trust. By Sandeep Kothapalli, SandyTech.
Read More
Practical strategies for reducing LLM API costs in production — semantic caching, prompt compression, GPT-4o vs GPT-4o-mini routing, batching, and Azure OpenAI reserved capacity. Real cost breakdowns from SandyTech client projects. By Sandeep Kothapalli.
Read More
A real cost and capability comparison of MongoDB Atlas vs Azure Cosmos DB for Azure-hosted .NET applications — covering pricing models, global distribution, change feeds, and when to choose each. By Sandeep Kothapalli, SandyTech.
Read More
Real lessons from building NexusEd's live classroom system — why P2P mesh fails, mediasoup SFU architecture, TURN server costs, simulcast, debugging black screens, and running 50-participant rooms in production. By Sandeep Kothapalli, SandyTech.
Read More
Practical Next.js 15 App Router performance patterns — server vs client component decisions, partial prerendering, Suspense streaming, and caching strategies that work in production on NexusEd and Affixx. By Sandeep Kothapalli, SandyTech.
Read More
Learn how senior architects at SandyTech (kothapallisandeep) harden CI/CD pipelines using GitHub Actions and Azure DevOps. Covers OIDC authentication, secret scanning, SLSA supply chain security, branch protection, and least-privilege service principals — practical security patterns from 13+ years of cloud-native delivery at sandytech.
Read More
A hands-on guide from kothapallisandeep at SandyTech on implementing Razorpay Route for multi-vendor marketplaces — covering linked account creation, transfer objects, split payment logic, webhook handling, idempotency keys, and reconciliation. Real patterns used in production marketplace builds at sandytech.
Read More
Learn how kothapallisandeep at SandyTech eliminates database passwords entirely using Azure Managed Identity and Entra ID authentication on PostgreSQL Flexible Server. Covers pg_aad_auth extension, role-based access, Entra ID groups, and .NET DefaultAzureCredential integration — zero-password database access for cloud-native apps on sandytech.
Read Morekothapallisandeep introduces EMAOS — the Event-driven Multi-Agent Orchestration System built at SandyTech for enterprise AI workloads. Learn how agent roles (planner, executor, critic, memory), Azure Event Hubs messaging, and per-agent state management solve problems that single-LLM approaches cannot handle at scale. How sandytech's AI products are powered by EMAOS.
Read More
Sandeep Kothapalli (kothapallisandeep) breaks down the SandyTech framework for delivering production-ready MVPs in 6–8 weeks — covering discovery, architecture, core build, integrations, hardening, and launch. What "production-ready" actually means, the default tech stack, and real examples including NexusEd, 360JobReady, and Affixx. A practical guide from sandytech.
Read More
kothapallisandeep at SandyTech shares the full architecture behind NexusEd (nexused.net) — a real-time EdTech platform built with WebRTC mesh classrooms, Socket.io signaling, GPT-4o Vision AI tutoring, Razorpay Route marketplace payments, and MongoDB. How sandytech took NexusEd from zero to production in 12 weeks, and the hard lessons learned scaling WebRTC.
Read More
Deep dive into vector search, embeddings, and how they power modern LLM applications like RAG systems and semantic search. Expert guide from kothapallisandeep on AI automation and SandyTech.
Read More
Learn how to implement Clean Architecture principles in .NET applications to create maintainable, testable, and scalable software solutions. Expert insights from kothapallisandeep on SandyTech.
Read More
Explore event-driven architecture patterns and learn how to build scalable, decoupled systems using events, message brokers, and event sourcing. Guide from kothapallisandeep on SandyTech.
Read More
Learn how to apply Domain-Driven Design (DDD) principles to build maintainable, scalable software that aligns with business requirements. Expert guide from kothapallisandeep on SandyTech.
Read More
Learn how to deploy, manage, and scale .NET applications on Kubernetes with practical examples and best practices. Guide from kothapallisandeep on SandyTech.
Read More
Essential best practices for designing and implementing scalable, secure, and cost-effective cloud architectures on Microsoft Azure. Expert insights from kothapallisandeep on SandyTech.
Read More
A comprehensive guide to implementing Retrieval-Augmented Generation (RAG) pipelines for enterprise applications, covering vector search, embeddings, and LLM integration. Learn from kothapallisandeep's expertise in AI automation.
Read MoreLearn how to design and implement scalable microservices using Dapr (Distributed Application Runtime) for building cloud-native applications with .NET. Expert guide from kothapallisandeep (Sandeep Kothapalli) on SandyTech.
Read MoreFollow my journey in software development, AI/ML applications, and cloud architecture. Get notified about new posts and technical insights.
Subscribe to Updates