Crash Software Interview
with our

Prepare for Interviews
Like Never Before

Say goodbye to pre-interview jitters!

Mock AI Interview

From algorithms to soft skills, perfect your answers to toughest questions with the most authentic interview practice.


  • Realistic Interview Scenarios. Simulate actual software development interviews with industry-specific questions.
  • Interactive Learning Experience. Engage in a two-way conversation with AI to mimic a real interview setting.
  • Extensive Question Library Access a wide range of questions covering all aspects of software development interviews.

Unsure where to start?

Skillset Roadmaps

A learning path where every step is clear. Our Roadmaps provide a straightforward and well-defined route to becoming a top software developer and acing interviews.


  • Intuitive Navigation. Effortlessly find topics with our interactive roadmap
  • Guided Learning Journey. Step-by-step guides to navigate through complex topics easily.
  • Interview Focused Modules. Specialized modules aimed at cracking tech interviews.

All information in one place?

Explore Library

Dive deep into the vast ocean of software development with our Explore Library. Whether you're a seasoned developer or just getting started, there's always something new to discover.


  • 6,000+ Topics. From the fundamentals of programming to niche areas of the tech world, select any topic that ignites your interest.
  • 100,000+ Insightful Cards. Our cards are crafted to provide you bite-sized knowledge, perfect for quick learning. Skim through essential points, helpful tips, and succinct overviews.
  • Delve In-depth Articles. Each article is packed with valuable information, offering you not just depth, but also clarity and cutting-edge knowledge.
  • Branch and Bound Algorithms
  • NP-Completeness and Approximation Algorithms
  • Feature Selection Algorithms
  • Algorithmic Game Theory
  • Algorithm Design Strategies
  • Security and Privacy
  • Sorting Algorithms
  • Hash Tables
  • Virtualization and Containerization
  • Divide and Conquer Algorithms
  • Genetic Algorithms
  • Software Quality Attributes
  • Edge Computing and Fog Computing
  • Programming Paradigms
  • Logging and Monitoring
  • Data Storage and Management
  • Dynamic Programming
  • Design Principles
  • Licensing and Compliance
  • Network Flow Algorithms
  • Geometry Data Structures
  • Mobile App Development
  • Quality Attributes
  • Data Storage
  • Linked Lists
  • Project Management
  • Cache-Efficient Data Structures
  • Load Balancing Algorithms
  • Compressed Sparse Row Data Structures
  • High-Performance Computing (HPC)
  • Pathfinding Algorithms
  • Combinatorial Data Structures
  • Randomized Algorithms
  • Tuples
  • Range Minimum Query (RMQ) Data Structures
  • Web Application Security
  • Messaging and Integration Patterns
  • Graphs
  • Databases
  • Sequence Alignment Algorithms
  • Dynamic Matrix Data Structures
  • Bloom Filter
  • Data structures
  • Monte Carlo Algorithms
  • Matrix
  • Internet of Things
  • Deployment and Infrastructure
  • Software Development Methodologies
  • Optimization Algorithms
  • Security
  • Trees
  • Code Quality and Refactoring
  • Skip Lists
  • Programming fundamentals
  • Testing
  • Algorithms
  • Distributed Systems
  • Fault Tolerance and Resilience
  • Searching Algorithms
  • Compressed Data Structures
  • Machine Learning Data Structures
  • Dynamic Text Indexing Data Structures
  • DevOps and Agile Methodologie
  • Localization and Internationalization
  • Maps (Dictionary)
  • Serverless Computing
  • Message and Data Serialization
  • Availability and Reliability
  • Search Engines and Information Retrieval
  • Scalability and Performance
  • Code Quality and Refactoring
  • Swarm Intelligence
  • Algorithm Analysis
  • Queues
  • Performance Optimization
  • Semi-External Memory Data Structures
  • Big Data and Data Engineering
  • Spatial Data Structures for Moving Objects
  • Cache Replacement Algorithms
  • WebAssembly
  • Stacks
  • Accessibility and Inclusive Design
  • Data Structures for Time Series
  • Scheduling Algorithms
  • Software architecture
  • Treaps
  • Distributed Data Structures
  • Deployment and Infrastructure
  • Succinct Data Structures
  • Error Detection and Correction Algorithms
  • Social Network Analysis Algorithms
  • Concurrency and Parallelism
  • Networking
  • Architectural Patterns
  • Hierarchical Data Structures
  • Heuristic Algorithms
  • Parallel Data Structures
  • Greedy Algorithms
  • Memory Allocation Algorithms
  • API Design
  • Simulated Annealing Algorithms
  • Arrays
  • Cloud Computing and Services
  • Probabilistic Data Structures
  • Parallel Algorithms
  • Software Development Lifecycle
  • Matrix Completion Algorithms
  • Evolutionary Algorithms
  • Recursion and Backtracking
  • Geospatial Technologies and GIS
  • Documentation
  • Cryptographic Algorithms
  • Computational Biology Algorithms
  • Online Algorithms
  • Domain-Driven Design (DDD)
  • API Design
  • Ant Colony Optimization Algorithms
  • Pseudorandom Number Generation Algorithms
  • Architectural Patterns and Styles
  • Monitoring and Logging
  • Software Configuration Management
  • System Integration Patterns
  • Heaps
  • Combinatorial Algorithms
  • Software Architecture Documentation
  • Sets
  • Service Mesh and Microservices Management
  • String Algorithms
  • Spatio-Temporal Data Structures
  • Data Streaming Algorithms
  • Disjoint-set(union-find)
  • Collaboration and Communication
  • Continuous Improvement
  • Design Principles
  • Routing Algorithms
  • Tries
  • Anomaly Detection Algorithms
  • Networking and communication protocols
  • Localization and Internationalization
  • Pattern Matching Algorithms
  • Adaptive Data Structures
  • Dynamic Time Warping Data Structures
  • File System Algorithms
  • Recommender System Algorithms
  • Event-Driven Architectures
  • Design patterns
  • Cross-platform Development
  • System design
  • Multidimensional Scaling Algorithms
  • Data Compression Algorithms
  • Link Prediction Algorithms
  • REST principles
  • HTTP methods
  • API versioning
  • Authentication and authorization
  • Rate limiting
  • HATEOAS
  • GraphQL
  • SOAP
  • gRPC
  • API Documentation
  • API Response Design
  • API Security
  • API Performance and Optimization
  • API Discovery and Integration
  • API Governance and Compliance
  • Real-time and Streaming APIs
  • Hypermedia and HATEOAS
  • API Error Handling
  • API Caching
  • Branch and Bound Algorithms
  • NP-Completeness and Approximation Algorithms
  • Feature Selection Algorithms
  • Algorithmic Game Theory
  • Algorithm Design Strategies
  • Security and Privacy
  • Sorting Algorithms
  • Hash Tables
  • Virtualization and Containerization
  • Divide and Conquer Algorithms
  • Genetic Algorithms
  • Software Quality Attributes
  • Edge Computing and Fog Computing
  • Programming Paradigms
  • Logging and Monitoring
  • Data Storage and Management
  • Dynamic Programming
  • Design Principles
  • Licensing and Compliance
  • Network Flow Algorithms
  • Geometry Data Structures
  • Mobile App Development
  • Quality Attributes
  • Data Storage
  • Linked Lists
  • Project Management
  • Cache-Efficient Data Structures
  • Load Balancing Algorithms
  • Compressed Sparse Row Data Structures
  • High-Performance Computing (HPC)
  • Pathfinding Algorithms
  • Combinatorial Data Structures
  • Randomized Algorithms
  • Tuples
  • Range Minimum Query (RMQ) Data Structures
  • Web Application Security
  • Messaging and Integration Patterns
  • Graphs
  • Databases
  • Sequence Alignment Algorithms
  • Dynamic Matrix Data Structures
  • Bloom Filter
  • Data structures
  • Monte Carlo Algorithms
  • Matrix
  • Internet of Things
  • Deployment and Infrastructure
  • Software Development Methodologies
  • Optimization Algorithms
  • Security
  • Trees
  • Code Quality and Refactoring
  • Skip Lists
  • Programming fundamentals
  • Testing
  • Algorithms
  • Distributed Systems
  • Fault Tolerance and Resilience
  • Searching Algorithms
  • Compressed Data Structures
  • Machine Learning Data Structures
  • Dynamic Text Indexing Data Structures
  • DevOps and Agile Methodologie
  • Localization and Internationalization
  • Maps (Dictionary)
  • Serverless Computing
  • Message and Data Serialization
  • Availability and Reliability
  • Search Engines and Information Retrieval
  • Scalability and Performance
  • Code Quality and Refactoring
  • Swarm Intelligence
  • Algorithm Analysis
  • Queues
  • Performance Optimization
  • Semi-External Memory Data Structures
  • Big Data and Data Engineering
  • Spatial Data Structures for Moving Objects
  • Cache Replacement Algorithms
  • WebAssembly
  • Stacks
  • Accessibility and Inclusive Design
  • Data Structures for Time Series
  • Scheduling Algorithms
  • Software architecture
  • Treaps
  • Distributed Data Structures
  • Deployment and Infrastructure
  • Succinct Data Structures
  • Error Detection and Correction Algorithms
  • Social Network Analysis Algorithms
  • Concurrency and Parallelism
  • Networking
  • Architectural Patterns
  • Hierarchical Data Structures
  • Heuristic Algorithms
  • Parallel Data Structures
  • Greedy Algorithms
  • Memory Allocation Algorithms
  • API Design
  • Simulated Annealing Algorithms
  • Arrays
  • Cloud Computing and Services
  • Probabilistic Data Structures
  • Parallel Algorithms
  • Software Development Lifecycle
  • Matrix Completion Algorithms
  • Evolutionary Algorithms
  • Recursion and Backtracking
  • Geospatial Technologies and GIS
  • Documentation
  • Cryptographic Algorithms
  • Computational Biology Algorithms
  • Online Algorithms
  • Domain-Driven Design (DDD)
  • API Design
  • Ant Colony Optimization Algorithms
  • Pseudorandom Number Generation Algorithms
  • Architectural Patterns and Styles
  • Monitoring and Logging
  • Software Configuration Management
  • System Integration Patterns
  • Heaps
  • Combinatorial Algorithms
  • Software Architecture Documentation
  • Sets
  • Service Mesh and Microservices Management
  • String Algorithms
  • Spatio-Temporal Data Structures
  • Data Streaming Algorithms
  • Disjoint-set(union-find)
  • Collaboration and Communication
  • Continuous Improvement
  • Design Principles
  • Routing Algorithms
  • Tries
  • Anomaly Detection Algorithms
  • Networking and communication protocols
  • Localization and Internationalization
  • Pattern Matching Algorithms
  • Adaptive Data Structures
  • Dynamic Time Warping Data Structures
  • File System Algorithms
  • Recommender System Algorithms
  • Event-Driven Architectures
  • Design patterns
  • Cross-platform Development
  • System design
  • Multidimensional Scaling Algorithms
  • Data Compression Algorithms
  • Link Prediction Algorithms
  • REST principles
  • HTTP methods
  • API versioning
  • Authentication and authorization
  • Rate limiting
  • HATEOAS
  • GraphQL
  • SOAP
  • gRPC
  • API Documentation
  • API Response Design
  • API Security
  • API Performance and Optimization
  • API Discovery and Integration
  • API Governance and Compliance
  • Real-time and Streaming APIs
  • Hypermedia and HATEOAS
  • API Error Handling
  • API Caching

Your secret weapon!

Interview Cards

Navigating the tech interview landscape can be challenging. But with our Interview Cards, you'll be equipped with the right tools to confidently tackle any software developer interview.


  • Tailored Preparation from 80,000+ Cards. Covering a wide spectrum of topics, our cards ensure you're well-prepared for the most commonly asked to the most challenging interview questions.
  • Threefold Answer Approach. Each card offers a straightforward answer, a short version for quick review, and a simplified analogy to make complex topics easier to understand and explain in interviews.
  • Step Up Your Interview Game. Stand out from the crowd by not only knowing the answers but understanding them deeply and explaining them clearly.

Peak Learning Efficiency!

Space Repetition

Select and combine flashcards from every feature we offer to create a learning experience that's uniquely yours.


  • Customizable Decks. Create and personalize flashcard decks from various topics and resources.
  • Smart Repetition Algorithm. Space repetition algorithm to enhance memory and understanding.
  • All-in-One Flashcard Access. Leverage flashcards from all application areas for a unified study approach.

Pricing

Experience simplicity at its finest.
One plan, one incredible value.

$49

/year

(during alpha)

1000+ hours of content

Unlimited article access

Spaced Repetition

Unlocked all cards

40 hours of Mock Interview

Time-efficient learning

FAQs

Wherever you need us, we’re there. We love to engage in thoughtful conversation with the PlanetCards community and are always on-hand to answer your questions.

Ask us anything

Terms of ServicePrivacy Policy

© 2024 BVY Labs LLC. All rights reserved.