Interview Prep Blog
Technical Interview Guides & Tips
Expert-written guides to help you ace your next technical interview. From fundamentals to advanced topics at FAANG companies.
Interview Prep
Best Free AI Mock Interview Tools (2026)
A practical, no-hype comparison of the best free AI mock interview tools in 2026 — what each does well, where it falls short, and how to pick the right one for your prep.
11 min read
Pramp popularized free peer-to-peer mock interviews, but scheduling and partner variance can hold you back. Here are the best Pramp alternatives in 2026, including AI mock interviews you can run on demand.
11 min read
interviewing.io offers anonymous mock interviews with real engineers, but the cost adds up. Here is how its pricing generally works and the best alternatives in 2026, including unlimited free AI practice.
11 min read
A practical roundup of the best mock interview platforms and websites in 2026 — what each one is best for, how they differ, and a simple framework for choosing the right tool for your prep.
10 min read
You do not need to pay for a coach to prepare well. This step-by-step guide shows you how to practice mock interviews online for free — set a goal, pick the right free tools, follow a weekly plan, and review your own answers effectively.
16 min read
A complete, technically accurate guide to the SQL and database interview questions you will actually be asked in 2026, covering joins, indexes, normalization, ACID transactions, window functions, and query optimization with runnable examples.
15 min read
A practical, technically accurate guide to the TypeScript interview questions you will actually be asked in 2026, covering types vs interfaces, generics, utility types, unknown vs any, narrowing, discriminated unions, and decorators with real examples.
14 min read
A practical guide to the most common machine learning interview questions in 2026, covering bias-variance, overfitting, evaluation metrics, cross-validation, gradient descent, and feature engineering, with clear answers and Python examples.
15 min read
A hands-on guide to common DevOps interview questions in 2026, covering containers versus VMs, Docker image layers, Kubernetes pods and services, CI/CD pipelines, infrastructure as code, and blue-green and canary deployments.
14 min read
A practical guide to the most common Go interview questions in 2026 — covering goroutines, channels, concurrency patterns, interfaces, slices, error handling, defer, garbage collection, and context, with correct code examples.
13 min read
A focused guide to AWS and cloud interview questions in 2026 — covering core services like EC2, S3, Lambda, VPC, IAM, RDS, and DynamoDB, plus scaling, high availability, security best practices, serverless, and cost optimization.
25 min read
Comprehensive guide to Node.js interview questions covering fundamentals, advanced concepts, and real-world scenarios asked at top tech companies.
30 min read
Everything you need to know to ace your React interview - from fundamentals to advanced patterns used at FAANG companies.
35 min read
Learn how to approach system design interviews step-by-step. Covers scalability, databases, caching, and common design problems asked at FAANG.
28 min read
Comprehensive guide to LLM interview questions covering architecture, fine-tuning, RAG systems, and production deployment.
32 min read
Complete guide to DSA interview preparation covering essential data structures, algorithms, and problem-solving patterns.
25 min read
Complete guide to behavioral interview questions with proven STAR method answer frameworks used by successful candidates at FAANG companies.
20 min read
The complete roadmap to prepare for coding interviews at any company, from startups to FAANG. Includes study plans, topic prioritization, and practice strategies.
28 min read
Comprehensive Python interview preparation guide covering fundamentals to advanced topics asked at top tech companies.
30 min read
Master JavaScript interviews with this comprehensive guide covering core concepts, ES6+ features, and advanced patterns.
18 min read
Learn how to write a software engineer resume that gets past ATS systems and lands interviews at top tech companies.
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