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Technology 6m read
System Design Series: gRPC Explained Simply

System Design Series — Part 26 Imagine you're building an online food delivery platform like Swiggy or Zomato. A customer places an order. Behind the scenes, multiple services need to communicate: Order Service Payment Service Restaurant Service Delivery Service Notification Service

System Admin
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Technology 7m read
GraphQL Explained Simply

System Design Series — Part 25 Imagine you're building an e-commerce application. The homepage needs to display: Product name Price Product image Average rating Seller name

System Admin
71 0 0
Technology 6m read
Caching Explained Simply : System Design Series — Part 11

A few years ago, I worked on a project where a single database query took around 300 milliseconds. That doesn't sound bad. Until you realize: 10,000 users were executing the same query repeatedly. The database CPU started increasing.

System Admin
124 0 0
Technology 5m read
Redis Caching Patterns for High-Traffic ASP.NET Core Applications

Cache-aside, read-through, write-through, and stampede protection for ASP.NET Core at scale: StackExchange.Redis, IDistributedCache, TTL strategy, and invalidation that survives enrollment spikes.

Admin
78 0 0
Technology 6m read
Next.js vs React SPA for SaaS and LMS Products in 2025

Choosing between Next.js App Router and a classic React SPA for SaaS and learning platforms: SEO, auth boundaries, deployment cost, and when hybrid rendering beats client-only routing.

Admin
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Technology 5m read
Semantic Kernel vs LangChain for .NET AI Apps: Real Project Comparison

Semantic Kernel vs LangChain for .NET AI apps: we compared both on a fintech API doc assistant and LMS Q&A bot—DI integration, plugins, observability, and which framework fits production C# teams.

Admin
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Technology 4m read
Microsoft Azure Cloud Roadmap for .NET Developers

A staged Azure learning path for .NET developers: core services, identity, data, messaging, and the certifications that actually match job postings.

Admin
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Technology 4m read
Subscription Billing Models for SaaS and LMS Platforms

Pricing tiers, trials, seat licensing, GST, dunning, and Stripe patterns for education SaaS—what Toolliyo-style platforms need before finance escalates.

Admin
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Technology 4m read
Certificate Verification Systems for Online Academies

Build employer-trusted certificate verification: unique IDs, QR codes, public lookup APIs, fraud prevention, and why blockchain is usually optional.

Admin
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Technology 4m read
Building an Online Learning Platform: Architecture Lessons (LMS Case Study)

Architecture lessons from a production LMS: bounded contexts, video delivery, progress tracking, multi-tenancy, and why the first version should not be 40 microservices.

Admin
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Technology 4m read
OWASP Top 10 Fixes for .NET Web APIs You Can Ship This Week

Practical OWASP Top 10 mitigations for ASP.NET Core APIs: injection, broken auth, SSRF, security headers, and verification steps you can implement without a six-month security program.

Admin
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Technology 4m read
Azure Kubernetes Service (AKS) Case Study: Deploying .NET Microservices

A real AKS deployment story for .NET microservices: cluster design, Helm releases, ingress, Key Vault CSI, observability, and lessons from a production migration off App Service.

Admin
61 0 0
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