Practice. Code. Interview. All in one platform.
Master the Interview.
Level up your Career.
The ultimate platform to prepare for full-stack developer interviews. Participate in deep architectural simulations built for senior engineering.
Master the modern stack
Stop searching.
Start Mastering.
Most developers waste hours hunting for disjointed questions. StackInterview brings pure structure to the chaos.
Choose your track
Select from React, Node.js, System Design, or Database tracks built for senior-level engineering.
Interactive Challenges
Predict code behavior, identify bottlenecks, and solve real-world architectural tradeoffs.
Expert Explanations
Master the absolute core "why" behind every complex engineering decision with deep technical breakdowns.
Surprise Challenge
Jump into an unpredictable interview sequence from top tech giants. Test your knowledge across different companies, rounds, and complex technical challenges in one go.
A comprehensive
Practice Ecosystem.
Master every layer of the modern stack through a suite of focused training modes simulating exact hiring scenarios.
Interactive Practice
Predict code execution, explain React rendering, and solve core Node.js internals natively.
Question Bank
Browse 1,000+ targeted questions and track your progress.
Instant Access
Expert insights and detailed breakdowns the moment you submit.
Coding Problems
215+ DSA problems with live code execution and AI hints.
Resume Builder
12 ATS-friendly templates with live preview & PDF export.
Architecture Mastery
Master intense mock challenges involving load-balancing, distributed caching, and robust microservices architecture.
Interview AI
Real-time AI mock interviews with live feedback.
Solve 215+ DSA Problems.
Master the Pattern.
Practice data structures and algorithms with real code execution in the browser. Get AI-powered hints, track your weak spots with radar analytics, and get a personalised readiness score for top tech companies.
Practice Interviews
with Real AI.
Go beyond flashcards. Run a full mock interview with AI - answer by voice, get instant scored feedback on every answer, and receive a detailed performance report with personalized suggestions. Covers behavioral, technical, and system design.
Behavioral
STAR MethodCulture fit, leadership, conflict resolution.
Technical
DSA + ConceptsData structures, algorithms, system concepts.
System Design
Senior LevelArchitecture, scalability, trade-offs, FAANG.
Organise Your Prep.
Own Your Progress.
Create custom folders, group questions by topic or interview round, set a default for instant one-click saving, and drag-and-drop to build your perfect study sequence.
Free Resume Builder
Your resume,
interview-ready.
20+ ATS-friendly templates built for engineers - Jake's, FAANG, Executive, Dark Dev and more. Live preview, custom colours, PDF export. No account needed.
The Engineering-First
Approach to Interviews.
We focus on the deep technical understanding required for senior roles, moving beyond shallow syntax memorization.
Real-World Scenarios
Our questions aren't just generic logic. They are derived from actual production issues and hiring rounds at top-tier companies.
Professional Explanations
Every answer includes a 'Why' and 'How', deep-diving into the underlying engine behavior and architecture patterns.
Progressive Difficulty
From junior-level execution flow to senior-level system design, our tracks evolve with your growing expertise.
Ready to level up?
Join our early-access community and master the technical stack.
Browse by Category
Frontend
HTML, CSS, JavaScript, React, and browser internals - everything visible to the user.
Backend
Node.js, REST APIs, authentication, caching, queues, and server-side architecture.
Databases
SQL queries, MongoDB aggregation, indexing strategies, and database optimization.
System Design
Scalability, load balancing, microservices, distributed systems, and trade-off analysis.
Next.js
App Router, Server Components, SSR vs SSG, middleware, and Next.js internals.
Knowledge Base
Architecture patterns, general computer science, and cross-cutting engineering concepts.
DSA
Arrays, trees, graphs, dynamic programming, and algorithm complexity for coding rounds.
Scenario Based
Real-world engineering decisions, debugging production issues, and system troubleshooting.
Roadmap
Career and technology roadmaps
Job Portals
Best job portals and boards for developers
Resume Template
Resume and CV templates for developers
Cold DMs / Emails
Cold outreach templates for networking and job hunting
HTML
Semantic HTML, accessibility, forms, SEO markup, and modern HTML5 APIs.
CSS
Flexbox, Grid, animations, CSS variables, responsive design, and performance.
Vue.js
Vue 3 Composition API, Pinia, reactivity system, directives, and component patterns.
Angular
Angular modules, dependency injection, RxJS, change detection, and NgRx.
Python
Python fundamentals, OOP, async, decorators, data structures, and Django/FastAPI.
Explore by Technology
Jump directly into questions for your target stack.
Everything in One Place
All the tools you need to crack your next interview, right here.
Practice Questions
Predict outputs, debug code & explore concepts
Coding Problems
Solve 215+ DSA problems with live execution & AI hints
Question Library
Browse 1,000+ curated interview questions
Company Interviews
Mock sessions from Google, Meta, Amazon & more
Guides & Articles
Deep-dives on system design, DSA & more
Random Challenge
Jump into a surprise interview simulation
From the Blog
50 Playwright Interview Questions and Answers (2026)
Complete Playwright prep — component testing, fixtures, network mocking, CI setup, and real interview Q&As.
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acceleration.
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