Tech Skills
Backend Engineering
APIs, authentication, databases, queues, serverless and production backend systems
Skills in this topic
5 skills — Sign in to track your progress
API Design
beginner
Design a RESTful API following best practices
Auth & Authorisation
intermediate
Implement JWT auth with refresh tokens
Database Integration
intermediate
Use an ORM (Prisma, SQLAlchemy, Drizzle)
Backend Performance
advanced
Implement Redis caching for hot data
Microservices Patterns
advanced
Decompose a monolith into microservices
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
FastAPI vs Django Ninja vs Litestar 2026: I Ran 10M Requests. One Crashed.
I thought any modern ASGI framework could survive 10,000 requests per second. Then I watched one consume 4.2GB of memory and get… Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Why Debugging Makes You a Better Coder
Every developer has experienced this moment. Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Blocking vs Non-Blocking Code in Node.js
One style of code makes your server wait. The other keeps it moving. The difference between them determines how many users your Node.js… Continue reading on Med
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
This One Backend Trick Improved My API Performance
Most developers think API performance is about: Continue reading on SkillStuff »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
High-performace directory emptiness checks in node.js with “is-empty-dir”
If you’ve ever needed to check whether a directory is empty in Node.js, you’ve likely reached for empty-dir. Coming from the gulpjs… Continue reading on JavaScr
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Your Linter is Wrong: Enforce Better Rules.
Formatting and syntax are the easy part. Your linter should catch bugs before they happen. Continue reading on ILLUMINATION »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
You’re Using async/await Wrong — Here’s How to Fix It?
Most JavaScript developers think they understand async/await. Most are leaving performance on the table without even knowing it. Continue reading on Medium »
Medium · Cybersecurity
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Bean Scope ?
Spring Container tarafından yönetilen bean nesnelerinin nasıl oluşturulacağını, ne kadar süre yaşayacağını ve hangi kapsamda… Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
My FastAPI 422 Was Correct. Our Request Contract Wasn’t.
Why your 422 can be technically correct while your request contract is already drifting across environments. Continue reading on Python in Plain English »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
package-lock.json: Is It OS-Based or Just Misunderstood?
Imagine a team building a project together Continue reading on JavaScript in Plain English »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
The complete guid to create a web app in flask from scratch , no knowledge required
Flask is a lightweight framework for building small web app. Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Stop Writing Messy Code: Do This Instead
Most developers don’t realize they are writing messy code while thinking they are writing “normal” code. Continue reading on SkillStuff »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
I Was Tired of Guessing Concurrency Numbers. So I Built a Package That Figures It Out Itself.
How a 1988 algorithm from TCP networking solved one of my biggest Node.js headaches Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Go Is the Language I Wish I Had Learned Before Python. Here is Why
Backend Engineering · Real code. Real benchmarks. Continue reading on Medium »
Medium · Startup
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
I Sold 1,700 Backend Engineering Guides. I Was Doing It Wrong The Whole Time.
Two years of writing about production. One mistake I didn’t see until last month. Continue reading on Write A Catalyst »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Webpack, Vite, Babel, ESLint and More — The Tools Every JavaScript Developer Should Understand
Every modern JavaScript project has a build pipeline running behind the scenes. Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
WebSockets: Real-Time Communication for Modern Web Applications
A Comprehensive Guide to Understanding Persistent Connections Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
How the Express Request–Response Cycle Works (Explained Simply)
The first time I tried to debug a hanging Express request in production, I spent three hours before realizing a middleware function was… Continue reading on Med
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
I Built AuthShield and Immediately Knew It Wasn’t Enough
What happens when auth meets money and what I learned building it Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
JavaScript Runtimes Diverge in Places Migration Guides Skip
Why the “Drop-in Replacement” Promise Often Breaks in Production. Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Why Next.js Is Not a Reliable Choice for Backend APIs
Next.js has exploded in popularity over the past few years. Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Node.js vs Python vs Java: What to Decide Before Hiring Backend Developers
Choosing a backend technology goes beyond technical decision-making; it is a business strategy. The technology stack you choose today will… Continue reading on
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Node.js vs Python vs Java: What to Decide Before Hiring Backend Developers
Choosing a backend technology goes beyond technical decision-making; it is a business strategy. The technology stack you choose today will… Continue reading on
Medium · ChatGPT
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
I Watched 50 Hours of YouTube Tutorials in One Week. Here’s the System That Saved Me.
A few months ago I was deep in a panic spiral about a job interview. Backend role, mid-level, and the recruiter casually mentioned that… Continue reading on Med
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Is Node.js Still the King? A Developer’s Honest Take
The runtime that changed backend development forever — but is it still on top? Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Day 8 — Arrays (Working with Collections of Data)
“Most real problems involve not one value, but many.” Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
FastAPI’s UploadFile Gave Me a Virus I Didn’t Know I Was Hosting
I thought UploadFile was just a convenience wrapper around a temp buffer. Then a user emailed me asking why my domain was serving a fake… Continue reading on Me
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
FastAPI’s UploadFile Gave Me a Virus I Didn’t Know I Was Hosting
I thought UploadFile was just a convenience wrapper around a temp buffer. Then a user emailed me asking why my domain was serving a fake… Continue reading on Me
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
This unified guide provides a comprehensive, production-grade strategy for securing NestJS…
The Foundation: Request Sanitization and Validation Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Pydantic and SQLModel Are Quietly Pushing Python Toward Contract-First Backend Architecture
Why typed validation, schema generation, and model-driven APIs are changing how modern Python backends get designed Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Understanding the Node.js Event Loop Phases (Simple Guide)
If you work with Node.js, you may have heard this line: Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Beginner Guide: Connect Node.js with MongoDB
In the previous guide, we performed CRUD operations using an in-memory array. Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Python Full Stack Training in USA: Build End-to-End Development Skills
In today’s digital era, companies are looking for skilled developers who can build complete web applications from front to back. Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
My Own Content Pipeline Didn’t Have My Own Content. Here’s the Backfill That Fixed It.
Three platforms, three different integration battles — and a parser bug that silently ate three of my articles. Continue reading on Medium »
Medium · SEO
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Java Course in Kochi
Looking for the best Java course in Kochi? Java is one of the most widely used programming languages, known for its reliability… Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
PHP Laravel vs Python Django — Which Should You Learn First in 2026?
If you are a B.Tech, BCA, or MCA student trying to decide between PHP Laravel and Python Django for your summer training or career, you… Continue reading on Med
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
How to Add API Documentation to an Express App Without Writing a Single Annotation
Zero config. Zero annotations. No YAML. No Jsdocs. Zero changes to your existing code. Just add one line and your entire API is documented. Continue reading on
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
I Built a “Secure” FastAPI App — A Hacker Downloaded Every User’s Private Data by Changing One…
I thought “login required” meant “only you can see your data.” Then I watched a stranger access my medical records. Continue reading on Medium »
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Why Python Django is Still the King of Web Frameworks in 2026 (and How to Master It)
The tech landscape of 2026 is faster, smarter, and more demanding than ever. While new frameworks pop up every week, Django remains the… Continue reading on Med
Medium · Python
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Day 14 Part 2: When Production APIs Fight Back
Built batch endpoints and health checks. Hit async errors, middleware conflicts, and test failures. Still debugging. Progress slower than… Continue reading on M
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Becoming a Top1% Node.Js Engineer: Keywords vs. Reserved Words
Introduction Continue reading on JavaScript in Plain English »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Socket.IO ile Gerçek Zamanlı Çok Oyunculu Oyun Geliştirmek
1.Socket.IO Nedir? Continue reading on Turk Telekom Bulut Teknolojileri »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Beginner Guide: CRUD Operations in Node.js (Step-by-Step API Tutorial)
In this guide, we’ll build a simple API that performs CRUD operations (Create, Read, Update, Delete) using Node.js. Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
The Ghost in the Loop: The $20k Async Iterator Bug
How a simple syntax choice turned a high-traffic Node.js service into a memory-leaking nightmare. Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Your Node.js API Is Slow. Here’s Exactly Why (and How I Fix It)
so yeah… one day everything looks fine then boom… API is slow, users waiting, frontend guy crying lol!! Continue reading on Coffee☕ And Code »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Backend Developer Roadmap (Step-by-Step Guide for Beginners)
Backend development may look overwhelming because of the long list of topics, but the truth is simple: Continue reading on Medium »
Medium · JavaScript
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Mutable vs. Immutable Objects in JavaScript
Knowing how mutable and immutable objects work is important to creating stable, maintainable code in JavaScript. Let’s discuss what these… Continue reading on M
Techpoint Africa
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Daniel Benjamin: The engineer building the infrastructure layer modern systems depend on
As a young boy in Lagos, Benjamin walked from Fadeyi to Mushin to buy electronic parts and sensors, building small robots from YouTube tutorials. Now he builds
DeepCamp AI