DevTier
Software engineering interview prep
Pick a track, choose your level and practice multiple-choice questions with instant feedback and full explanations.
Tracks
1200 questions
Frontend
HTML & CSS, JavaScript, TypeScript, React, Next.js and frontend architecture
HTML & CSS
JavaScript
TypeScript
React
Next.js
8 topics
Coming soon
Backend
Node.js, API design, databases, auth, caching and message queues
Node.js
REST & GraphQL
SQL
Auth
Redis
Coming soon
System Design
Scalability, load balancing, replication, sharding and distributed systems
Scalability
Caching
Sharding
CAP
Case studies
Coming soon
Algorithms & Data Structures
Big O, arrays, hash maps, trees, graphs and dynamic programming
Big O
Arrays
Trees
Graphs
DP
Coming soon
Software Engineering
OOP, SOLID, design patterns, clean code, testing and Git
OOP
SOLID
Patterns
Testing
Git
Coming soon
DevOps & Cloud
Docker, CI/CD, Linux, Nginx, Kubernetes and monitoring
Docker
CI/CD
Linux
Kubernetes
Monitoring
Coming soon
Behavioral
Teamwork, conflict, ownership and the STAR method for answering
STAR
Teamwork
Conflict
Leadership