Get Into Top Tech
Pick a company or role. Follow a clear plan. Practice with diagrams and patterns.
MANGO Spotlight
Meta, Apple, NVIDIA, Google, OpenAI — the most sought-after tech companies
Get company-specific roadmaps, interview insights, and practice resources tailored for each company
Meta
Consumer-scale social platforms; emphasis on product sense and large-scale systems.
Focus Areas
Roles
Interview Focus
Coding: Patterns mastery (two-pointers, sliding window, graphs, DP)
System Design: APIs, data modeling, caching, queues, scaling
Apple
Hardware + software ecosystem; strong focus on craftsmanship and privacy.
Focus Areas
Roles
Interview Focus
Coding: Clarity, correctness, complexity analysis
System Design: Reliability, performance, privacy-by-design
NVIDIA
AI, GPUs, accelerated computing; systems + performance intensive.
Focus Areas
Roles
Search, cloud, AI — large-scale distributed systems and research.
Focus Areas
Roles
OpenAI
Frontier AI research & products; safety and reliability critical.
Focus Areas
Roles
Popular Roles
Choose your path and get role-specific roadmaps and interview prep
Practice Fast
Interactive practice tools to sharpen your interview skills
Coding Patterns
Master 14 essential coding patterns with interactive examples
System Design
Practice with 20+ system design prompts and scoring rubrics
Behavioral STAR
Build compelling stories with guided STAR templates
Build a Portfolio
Curated project ideas with acceptance criteria to showcase your skills
Software Engineer
Build, ship, and maintain products at scale.
Backend Engineer
Design and build scalable server-side systems and APIs.
Frontend Engineer
Create intuitive user interfaces and exceptional user experiences.
Track & Improve
Tools to track your applications and improve your resume
ATS Resume Analyzer
Upload your resume and get actionable feedback to pass ATS systems
Application Tracker
Track your job applications and stay organized throughout the process
Nothing else compares to DevDiagrams
We don't believe in typical one-size-fits-all interview prep programs. Our adaptive learning platform constantly adjusts to you and your progress, helping you land your next role most efficiently.
Know exactly what you need to do to land your dream job, every step of the way
Waste no time practicing things you don't need. Get unlimited feedback from mentors, and our adaptive learning tech will identify the exact skills you need to ace your interviews.
Expedite your progress with adaptive learning technology
Our AI-powered system analyzes your performance and automatically adjusts your learning path. No more guessing what to practice next - we'll guide you to exactly what you need to master.
Maximum Subarray
How did you do?
Your Learning Path
All-in-One Bundle for End-to-End Interview Prep
Everything you need to ace every type of technical interview. From coding patterns to system design, behavioral prep to AI systems.
How to Write a Good Resume
ATS-optimized resume builder with real-time scoring
Coding Interview Patterns
Master 14 essential patterns with interactive examples
System Design Interview
Design scalable systems with step-by-step guidance
Unlock All Visual Learning Modules
Get access to all 8 comprehensive modules covering every aspect of technical interviews. Perfect for students desperate to crack interviews at top tech companies.
Optimize Your Resume for Specific Jobs
Upload your resume and get it optimized for specific job postings. Our AI analyzes job requirements and tailors your resume to pass ATS systems.
Upload Resume
Upload your resume in PDF or Word format
Drop your resume here
Supports PDF, DOC, DOCX files up to 10MB
Ready to optimize your resume?
Login to get 20 free credits daily and start optimizing your resume for top tech companies
No credit card required • 20 credits/day • Cancel anytime
Get better results with best-in-class job hunt support
Stop blindly applying to roles without guidance. Get personalized open roles in your inbox daily, and unlimited career intel until you land your dream role.
Open Roles For You
Personalized job recommendations based on your skills and preferences
Figma
You are ready for this interview!
Lyft
You'll start with a recruiter screen here. We'll assign you a mock phone screen to practice
Palantir
Practice graph-based problems before this interview
Robinhood
You'll start with an online assessment at this company. We'll assign you a practice test to get warmed up
Level up among hundreds of world-class engineers
Get unlimited mock interviews, mentorship, and feedback from hundreds of FAANG+ engineers and mentors until you're confident you'll ace any interview you face.
Unlimited Mock Interviews
Practice with FAANG+ engineers until you're confident
Personalized Feedback
Get detailed feedback on your performance and areas to improve
Progress Tracking
Track your improvement across all interview types
Ready to get hired?
Join 1,000+ engineers who've landed their dream jobs at top tech companies
Join the Founding Cohort
Get early access to advanced features, exclusive content, and priority support.
Coming soon — join the waitlist to be notified.
Legal Notice: We are not affiliated with Meta, Apple, NVIDIA, Google, OpenAI, or any other company mentioned. All trademarks belong to their respective owners. Content is educational and informational only. No guarantees of employment or interview success. Use at your own discretion.