Systems Design & Architecture

You don't need a ValueObjectFactoryStrategy. You need one struct, one invariant, and a method that returns an error.

The moment gorm.Model shows up in your domain package, your business rules belong to an ORM maintainer. Here is how to take them back.

PHP can mock anything. Go cannot mock a struct. The constraint is the architecture lesson a PHP dev moving to Go has to confront.

A practical look at how resilient architectures isolate failing services, prevent cascading outages, and keep systems responsive under… Continue reading on Pyth

A practical look at how resilient architectures isolate failing services, prevent cascading outages, and keep systems responsive under… Continue reading on Pyth

In Q3 2024, 68% of React teams migrating to server-first architectures hit a critical bottleneck:...

Angular's standalone component model removes NgModules entirely and pairs naturally with signals and the inject() function. Here's the mental model shift,

Why Your Mojo System Design Fails Before the First Benchmark Running Mojo but seeing benchmarks that...

Part 13 of the series: "Extending bpmn-io Form-JS Beyond Its Limits" A form has a "Resolution"...

Flutter Testing Strategy: Unit, Widget, Integration, and Golden Tests "No time to write...

Escalabilidade e alta disponibilidade não são mais "diferenciais" — são requisitos básicos. Mas,...

How I built a production-ready SaaS landing page template with Next.js 14 Every time I...

Let me describe a scene. I’m willing to bet you’ve lived some version of it. Continue reading on Medium »

Tried implementing sorting algorithms as pure template metaprogramming. Not constexpr, not consteval....

Molly Struve discusses a brutal six-day outage that nearly sank a company. She explains technical lessons like the importance of FMEAs, shadow traffic, and exer

Introduction Dans beaucoup d’environnements SI, la documentation d’infrastructure finit...

What algebraic topology reveals about cascading failures, hidden cycles, and the shape of system fragility. Continue reading on Stackademic »

Cache invalidation is rarely just an implementation detail once several teams ship into the same product surface. This piece looks at how shared frontend owners

1.What is dom? Dom stands for D - Document O - Object M - Model Dom is a programming interface...

When I started learning to code, my goal was simple: get things working. Continue reading on Medium »

If you have worked on healthcare systems… then you have probably run into this. A shift gets updated...

What is DOM? DOM(Document Object Model)is a programming interface that represents a web page as a...

I deleted 14,000 lines of code in one night. Continue reading on Medium »

Most systems are not the problem. Lack of control is. We have seen companies...

Subtitle: Practical insights from real-world AWS systems, production incidents, and operational reliability in financial environments. Continue reading on Mediu

🧘 The Final Lesson We’ve travelled a long road together. Article 1 – Every Software...

Escalar microserviços horizontalmente resolve capacidade. Mas não ...

In 2002, I was a few weeks into a new role, my second since completing my degree two years earlier. I...

React dominates the conversation, but after 15 years and teams ranging from 3 to 20 engineers, I keep reaching for Angular when the stakes are high. An honest,

The cliché answer, and the hybrid celebrity-aware design the panel is actually waiting for. Read path, write path, threshold logic.

A practical guide to diagnosing keyboard ghosting and measuring N-key rollover using only your browser. Includes the matrix-scanning theory, real key combos to

This is a submission for the Google Cloud NEXT Writing Challenge At Google Cloud NEXT ’26, we didn’t...

I maintain a single HTML file as an architecture board for the product I'm building. Definitions,...

A few schemes that don’t work and a novel scheme that does. Continue reading on Medium »

Server-Side Rendering makes your app load instantly. The View Transitions API makes it feel like a native mobile app. Here is how to… Continue reading on JavaSc

In 2026, the world of web development is growing faster than ever. With businesses shifting online, startups launching daily, and remote… Continue reading on Me

An easy-to-understand guide to static and dynamic typing, focusing on how TypeScript enforces static typing compared to standard JavaScript.

When you start building applications, everything feels simple — one codebase, one database, one...

Thundering herd, cascading timeouts, poison messages, hot keys, replication lag. Five failure modes from real public RCAs and the defensive patterns that stop t

Candidate generation, ranking, post-filtering, A/B testing. The system-design answer that wins the interview before the model shows up.

The frontier queue, Bloom-filter dedup, per-domain politeness locks, distributed workers, content storage. A crawler skeleton that fits in 60 lines.

Where keys come from, how long they live, the intent vs result contract. A 60-line Postgres-backed idempotency layer with TTL you can adapt.

Driver firehose, proximity index, request matching. Why hex tiles outperform geohash, with a Python H3 + Redis sorted-set sketch you can run.

Stampede on hot keys, write-through staleness, negative cache poisoning, cache-aside races. The four caching bugs every team rediscovers.

Two-of-three is the wrong frame. Where DynamoDB, Spanner, and Cassandra actually sit, and the PACELC follow-up senior interviewers love.

Push, pull, the celebrity problem, and the hybrid that actually ships. The decision logic, the storage shape, and the cold-start gap nobody mentions.

Token bucket, leaky bucket, fixed window, sliding window. Burst, memory, fairness, and a 60-line Redis token bucket you can drop into a service.

Read/write QPS, storage, base62 IDs, hot URLs, and the three follow-ups interviewers always reach for. The math, the code, the misses.