Backend Engineering

Hello, I’m Lince. I’m working on git-lrc: a Git hook for reviewing AI-generated code. Continue reading on Medium »

Most web apps have the same problem. Your pages are server-rendered, but every request has to call a slow API or database, so pages feel… Continue reading on Me

If you use Claude Code daily, you know the problem: after a few weeks you have dozens of sessions...

Building a real-world education platform for Kenyan university students — in a language I'd never...

I've been a frontend developer for a while. React, Supabase, Cloudinary — I've used them. But I never...

If you've ever had to support more than one database in a Python project, you know the drill. SQLite...

In the previous article, I showed how I built a dynamic form renderer using JSON configuration in...

So far, we've talked about how data is stored in memory and the different data types available in...

Asynchronous programming is one of those topics that feels confusing until it suddenly clicks. When...

The moment you type a URL in your browser, it sends a DNS request to resolve the domain name (e.g., Continue reading on Medium »

Are you trying to access a website or call an API, only to be suddenly met with a 401 Unauthorized...

Use an External JavaScript Library to Create QR Codes with Optional Logo Overlay directly in Salesforce Continue reading on Capgemini Salesforce Architects »

Sortable admin UIs look straightforward, but the real cost shows up in persistence, concurrent edits, pagination, audits, and accessibility. This piece breaks d

Before you copy-paste rate limiting middleware, define what asset you're protecting, what abuse you're expecting, and what a false positive costs you. Without t

If you are building high-performance backend architectures, you already know that clean, manageable code is the key to scaling. Today, we… Continue reading on M

If you are building high-performance backend architectures, you already know that clean, manageable code is the key to scaling. Today, we… Continue reading on M

Choosing a logging library for your Go service sounds trivial until you're debugging a latency spike...

How I split one search engine into three systems in Rust: Postgres for metadata, tantivy for the index, object storage for durability. The ordering a create req

How I used Spring Boot, clean architecture, async jobs, validation, caching, and proper error handling to build a production-style system Continue reading on Ja

The script found the ISO, pulled down about a gigabyte of AlmaLinux, and printed one line in yellow that I’d skimmed past more times than… Continue reading on M

Django merupakan framework web berbasis Python yang dirancang untuk mempermudah dan mempercepat proses pengembangan aplikasi web. Continue reading on Medium »

When I started this project, my goal was simple: stop reading about APIs and build one. Continue reading on Medium »

Writing tests is one of the most important and tedious task a developer has to do. A test is more...

When we started building MedExpiry — a PWA pharmacy inventory management SaaS — two architectural...

A common misconception is that await makes Node.js sit idle until an operation completes. Consider a...

Use Astro's Content Collections API to build tenant-specific help documentation that filters by feature access level and AI capabilities, serving personalized d

Compare deployment platforms across startup cost, cold start latency, PostgreSQL integration, webhook reliability, and CI/CD simplicity to guide multi-tenant Sa

Build a fast technical blog with Cursor and Hugo — SVG logo, self-hosted newsletter, GDPR compliance, Nginx security. Full working stack for under £10/month.

While building a file conversion and sharing app, my first implementation handled file conversion...

Not Glassdoor averages. Not levels.fyi estimates. The real total compensation, the regional gaps, and the negotiation deltas from… Continue reading on Stackadem

Not theory. The actual log. Which bugs TypeScript caught, which bugs it missed, and the categories that no type system has ever helped… Continue reading on Stac

If you have spent any significant time writing JavaScript, you have almost certainly fought a losing battle against the native Date object. Continue reading on

You know that feeling when you share your project with someone and they click the demo link — and then you both just sit there, watching a… Continue reading on

Most regex tutorials teach you syntax. This one teaches you to think in patterns and shows you where to practice safely without crashing… Continue reading on Me

Postgres-backed durable execution (DBOS) skips the separate orchestrator and gives you transactional exactly-once for free. When that beats Temporal, and the co

TypeScript: The Practical Guide for JavaScript Developers (2026) TypeScript isn't just...

The difference between average and advanced Java developers often comes down to these 7 Stream patterns. Continue reading on Stackademic »

Working with FastAPI server, you may encounter an error stating that the address is already in use. Continue reading on Medium »

Kotlin 2.4.0 brings updates across the language, standard library, Kotlin Multiplatform, Kotlin/Native, Kotlin/Wasm, Kotlin/JS, and build… Continue reading on M

The difference is invisible until page 500. Then your database starts telling the truth. Continue reading on Medium »

Not theory. The actual rounds. 41 real interviews and mock observations since May, decoded for what is actually being graded. Continue reading on Stackademic »

When most devs consider building out a content site, their first inclination is often to reach for...

Everything you need to master version control: core concepts, branching, rebasing, remote workflows, and a quick-reference cheatsheet. Continue reading on Mediu

I recently started building a household compliance assistant for the South African market. When it...

When I first started learning Node.js, I thought installing Node was a one-time task. Continue reading on Medium »

If Apache Kafka were a living organism, data replication would be its heartbeat — quietly pulsing in the background, keeping the entire… Continue reading on Med

Concurrency is the cheapest way to wedge a state machine apart. The window is never the bug. Continue reading on Medium »

A few weeks ago, I interviewed for a backend engineering role. Continue reading on Medium »