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Guides for your next interview

Practical, no-fluff articles on interview prep, resumes and career growth for software engineers.

Latest Articles

Full Stack

How to Build a MERN Stack App: From Tech Stack to Deployment

How MongoDB, Express, React and Node.js connect in one app, and the 8 steps from planning the API to a live URL, with code for each layer.

5 min readRead post

Full Stack

How to Build a MEAN Stack App: From Tech Stack to Deployment

How MongoDB, Express, Angular and Node.js connect in one app, and the 8 steps from planning the API to a live URL, with code for each layer.

5 min readRead post

Career

Why Your Resume Gets Rejected Before a Human Reads It (and How to Fix It)

How Applicant Tracking Systems really filter resumes, the 8 mistakes that keep software engineers off the shortlist, and a 10-minute checklist to fix yours.

9 min readRead post

Roadmaps

The Frontend Developer Roadmap: What to Learn, in What Order

A stage-by-stage path from HTML to system design, what "job-ready" means at each stage, and what you can safely skip.

9 min readRead post

DSA

Crack DSA Rounds by Learning Patterns, Not 500 LeetCode Problems

The handful of patterns (two pointers, sliding window, recursion, hashing) behind most interview questions, with a 6-week practice plan.

10 min readRead post

DSAComing soon

Big O Notation in Plain English: Time & Space Complexity for Interviews

What O(1), O(n), O(log n) and O(n²) really mean, how to work out the complexity of your own code, and how to explain it out loud.

7 min readTime & Space Complexity lesson

JavaScriptComing soon

25 JavaScript Interview Questions That Actually Get Asked

Closures, the event loop, "this", promises vs async/await, hoisting and debouncing - with the short answers interviewers want to hear.

12 min readJavaScript course

ReactComing soon

React Interview Guide: Hooks, Re-renders and Performance, Explained Simply

Why components re-render, when useMemo and useCallback actually help, and the React questions that separate juniors from seniors.

10 min readReact course

System DesignComing soon

Frontend System Design Interviews: A Step-by-Step Framework

A repeatable structure for any frontend design question - requirements, components, data flow, performance - applied to a real example.

11 min readFrontend System Design course

System DesignComing soon

Short Polling vs Long Polling vs WebSockets vs SSE: Which One and When?

How each real-time technique works, the trade-offs, and how to pick the right one for chat, notifications or live dashboards.

8 min readCommunication lessons

Full StackComing soon

MERN Stack Interview Prep: Node, Express and MongoDB Questions

The backend questions full-stack candidates get: the Node event loop, Express middleware, REST design, MongoDB indexing and aggregation.

12 min readMERN Stack roadmap

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