Event-driven scheduling
Event-driven architecture with DynamoDB hierarchical keys and EventBridge Scheduler for scheduled price changes
TypeScriptDynamoDBEventBridgeLambdaEvent-driven
Technical Blog
Key learnings from building high scale systems
Hybrid architecture
Hybrid DynamoDB + MySQL architecture combining NoSQL flexibility with relational query power
TypeScriptDynamoDBMySQLDrizzleHybrid persistence
N+1 query optimization
Solving GraphQL N+1 query problems with Drizzle ORM batch fetching and connection pooling
TypeScriptMySQLDrizzleN+1 solving
ETL framework
Plugin-based Python ETL framework with Jinja2 templating and parameter validation
PythonLambdaEvent-driven
Next.js deployment
Enterprise Next.js deployment with SST, WAF security, and multi-tenant routing
TypeScriptNext.jsSSTWAF
Dynamic assembly loading
C# .NET Lambda with dynamic assembly loading and versioned exporters using reflection
C# .NETLambda
Composable transactions
Composable transaction patterns with Go 1.21 generics (RunWithin0/1) and clean architecture
GoPostgreSQLTransactions
Interactive DAG editor
Interactive DAG editor with dual ID pattern (frontend + backend IDs) managing 10K+ work orders
TypeScriptReactReactFlowDual ID pattern
URL-first state
URL-first state management with nuqs and debounced dual-state sync for shareable filters
TypeScriptReactURL-first state
Supply/demand matching
Greedy allocation algorithm (O(n+m)) matching supply to demand with BOM hierarchies
TypeScriptReactGreedy allocation
Building a Production RAG Chatbot: From Zero to Portfolio AI Assistant
How I built a sophisticated Retrieval-Augmented Generation system that indexes my entire portfolio and responds as me using OpenAI GPT-4o-mini
TypeScriptNext.jsDynamoDBOpenAIRAGAI
AWS Cognito + AppSync: Field-Level Authorization at Scale
How we secured 5+ GraphQL services with AWS Cognito, supporting 10K+ users with fine-grained permissions and zero token management overhead
TypeScriptAWS CognitoAppSyncLambdaAuthorization
Event-Driven Cache Invalidation: Keeping Distributed Systems in Sync
How we built a cache invalidation system handling 50K+ invalidations/day with Momento, EventBridge, and the outbox pattern for sub-second menu consistency across 8,000+ stores
C# .NETLambdaEventBridgeCache invalidationEvent-driven
Nexus Ai
Getting Started
A comprehensive, microservice-driven AI backend designed for flexibility, scalability, and real-world value
AIMicroservicesBackendArchitecture
Use Cases
A comprehensive, microservice-driven AI backend designed for flexibility, scalability, and real-world value
AIMicroservicesBackendArchitecture
Core Services
A comprehensive, microservice-driven AI backend designed for flexibility, scalability, and real-world value
AIMicroservicesBackendArchitecture
Codebases
Menu Exporter Dotnet Architecture
Comprehensive technical documentation of production codebase architectures
ArchitectureDocumentationTypeScriptC# .NETNext.jsNode.js
Pricing Frontend Nextjs Architecture
Comprehensive technical documentation of production codebase architectures
ArchitectureDocumentationTypeScriptC# .NETNext.jsNode.js
Pricing Service Nodejs Architecture
Comprehensive technical documentation of production codebase architectures
ArchitectureDocumentationTypeScriptC# .NETNext.jsNode.js