APAditya Pippalinap29.hashnode.dev·2h ago · 31 min readHow Senior Engineers Actually Think About System Design & ArchitectureSystem design is not about drawing more boxes. It is about knowing why a box exists, what failure forced you to add it, what trade-off it introduces, and when you should stop adding complexity. Moder00
NHNasim Hossain Rabbiinblog.nasimhossain.dev·4d ago · 10 min readLittle's Law: The Formula Behind Every Good System Design InterviewYou're in a system design interview and you're asked to design a banking application. Customers can: Login View accounts Check transactions Transfer money Download statements The interviewer ad10
MTMuhammad Tahirinmtdeveloper.hashnode.dev·4d ago · 12 min readHigh-Throughput Database Optimization: Compound Indexing, Caching Patterns, and Query TuningThis article was originally published on Muhammad Tahir's Portfolio. Introduction & Industry Context Modern data architectures are under unprecedented pressure. As distributed applications scale horiz00
MTMuhammad Tahirinmtdeveloper.hashnode.dev·5d ago · 12 min readScaling Event-Driven APIs: Real-Time WebSockets and Redis Pub/Sub for High-Concurrency AppsThis article was originally published on Muhammad Tahir's Portfolio. 1. Introduction & Industry Context In the landscape of modern application development, real-time interactivity has transitioned fro00
Ddianasterling1981infintechinfra.hashnode.dev·6d ago · 3 min readHow to Build a Python Data Bridge for MetaTrader 5 and PostgreSQLMetaTrader 5 processes low-latency trade execution perfectly, but it struggles with relational data management. Brokers scaling multi-asset platforms eventually hit serious data bottlenecks. They need00
KJkedar joshiinkedar-joshi.hashnode.dev·Sep 7 · 14 min readBenchmarking a Buck-Converter Loop on Bare-Metal ARM Cortex-M7 TL;DR: I set out to understand how fast a simple control loop can generate duty-cycle values to feed to a MOSFET gate driver. I benchmarked how placement of data in memory/cache, clock frequency, and 00
PNPriyansh Naskarinpriyanshucodes.hashnode.dev·Sep 7 · 5 min readRate Limiting from Scratch in Go: Where Each Algorithm BreaksA rate limiter restricts the intended or un-intended access to a system. In this article we dive deep into the intuition between different types of rate limiting algorithms and their pros/cons. For th00
MAMuhammad Azlaan Zubairinblog.mdazlaanzubair.com·Sep 1 · 6 min readAn Agent API Migration Is an Ownership AuditAn API migration can compile, return the expected text, and still be wrong. That is the real risk in moving from OpenAI's Assistants API to Responses. The old objects do not map to new objects without00
OFOluwaseyi Fatunmoleinfreecodecamp.org·Aug 31 · 19 min readBloom Filters Explained: The Probabilistic Data Structure Powering Instagram, Google, and High-Scale SystemsInstagram has over 500 million registered usernames. When a new user tries to register, the platform needs to answer one question almost instantly: has this username already been taken? The naïve answ00
MTMuhammad Tahirinmtdeveloper.hashnode.dev·Aug 30 · 13 min readArchitecting Full-Stack Observability: OpenTelemetry, Structured Logging, & Distributed TracingThis article was originally published on Muhammad Tahir's Portfolio. Introduction & Industry Context Modern software architectures, dominated by microservices and serverless functions, promise scalabi00