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Tagged: Backend Architecture
Python or TypeScript on the Backend: Choosing by Workload, Not Hype
Compare Python and TypeScript for backend work across typing, performance, async, frameworks, full-stack reuse and AI, and learn how to pick by the project in front of you.
9 min readFrom Working Script to Production Node.js API: Event Loop, Worker Threads, Logging
How the event loop, blocking work, worker threads, timeouts, concurrency, structured logs and database access shape a Node.js API that holds up in production.
11 min readWhy NestJS @Cron Jobs Run Once per Replica and How to Fix It
Learn why in-process @Cron schedules multiply when a NestJS service scales out, and how an external trigger, idempotent writes and a guarded endpoint fix it.
6 min readSelf-Hosted Vision LLM OCR in Go: Rasterizing, Prompting, Parsing
A Go worker turns medical PDFs into JSON with a vision LLM on Ollama: pdftoppm rasterizing, strict prompts, fallback parsing and Redis Streams consumers.
7 min readRust or Go for Backend Services: Paying Only for the Guarantees You Need
Why Rust's safety and speed rarely address the real bottlenecks of API teams, how Go optimizes for maintainability, and when Rust is the right backend default.
11 min readSeven Hidden Assumptions That Make JavaScript Fail Under Real Traffic
Learn which assumptions about types, retries, concurrency, response order, data volume, missing data and in-memory state break JavaScript code once it meets production.
14 min readEdge Isolates and Wasm vs. Node.js: Runtime Tradeoffs and Prod Habits
Explores how V8 isolates and WebAssembly outperform container-based Node.js at the edge, then covers the operational practices that make Node.js production-ready.
9 min readBounded Agentic Loops: Reliable TypeScript Patterns for LLM Tool Use
Learn how to architect TypeScript LLM agents using bounded agentic loops with Zod validation, deterministic tool execution, and error recovery for production-grade reliability.
10 min readInside NestJS Interceptors: Fixing a 96% Latency Regression at Scale
Learn how NestJS's AOP execution pipeline and RxJS teardown pitfalls caused a P99 latency spike, and how to build a zero-allocation audit interceptor to fix it.
7 min read
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