Interviews are a skill you can practise. Pick the area you are preparing for, work through the guides and use the checklists to track your progress.
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- Backend12 articles
- Frontend3 articles
- Java3 articles
- Python2 articles
- JavaScript4 articles
- SQL2 articles
- System Design2 articles
- Behavioral3 articles
- Interview Tips2 articles
Latest interview guides
How to Prepare for a Backend Developer Interview in 2026
A realistic, four-week preparation plan covering fundamentals, databases, APIs, system design and behavioural questions — plus how to practise effectively.
System Design Interview: A Beginner’s Framework
A simple, repeatable framework for your first system design interviews — from clarifying requirements to discussing trade-offs — with a…
Backend
Java 21 Features Every Backend Developer Should Know
A practical look at the language features that actually matter for backend developers — records, pattern matching, sealed types and…
Docker for Beginners: From Your First Container to Production
Images, containers, Dockerfiles, volumes and Compose — explained step by step, with the habits that make containers safe to run…
Spring Boot Request Lifecycle Explained: From HTTP to Database
Follow a single HTTP request through filters, the DispatcherServlet, your controller, the service layer and the database — and learn…
Frontend
React Performance: 8 Practical Ways to Build Faster Interfaces
Measure first, then fix the real bottleneck. Eight techniques — from avoiding needless re-renders to virtualising long lists — with…
Full Stack Developer Roadmap: What to Learn and in What Order
A step-by-step roadmap covering the essential skills, tools and projects to become a full stack developer — in an order…
Web Security Basics Every Developer Should Know
Injection, XSS, broken access control, weak authentication and leaked secrets — how the most common web vulnerabilities happen and the…
SQL
How to Prepare for a Backend Developer Interview in 2026
A realistic, four-week preparation plan covering fundamentals, databases, APIs, system design and behavioural questions — plus how to practise effectively.
SQL Joins Explained with Practical Examples
INNER, LEFT, RIGHT, FULL and self joins — what each returns, when to use it and the mistakes that silently…