The Elite Five
Meta, Apple, NVIDIA, Google, OpenAI — the most competitive and sought-after tech companies. Each with unique hiring philosophies and technical challenges.
What Makes MANGO Special?
These companies represent the pinnacle of tech innovation, each with distinct engineering cultures, hiring processes, and technical challenges that set them apart from the rest.
High Standards
Rigorous interview processes with emphasis on both technical excellence and cultural fit.
Unique Focus
Each company has distinct technical areas and engineering philosophies that shape their hiring.
Global Impact
Work on products and systems that impact billions of users worldwide.
MANGO Companies
Click on any company to explore their specific hiring process, interview focus, and practice resources.
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
Resources
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
Resources
NVIDIA
AI, GPUs, accelerated computing; systems + performance intensive.
Search, cloud, AI — large-scale distributed systems and research.
OpenAI
Frontier AI research & products; safety and reliability critical.
Interview Insights
What to expect from each MANGO company's interview process
Meta
Process
Coding Focus
Patterns mastery (two-pointers, sliding window, graphs, DP)
System Design
APIs, data modeling, caching, queues, scaling
Apple
Process
Coding Focus
Clarity, correctness, complexity analysis
System Design
Reliability, performance, privacy-by-design
NVIDIA
OpenAI
What We Know About Their Hiring
Honest insights about what each company values in their engineering candidates
Meta
Emphasis on coding speed + correctness
System design depth for mid/senior roles
Apple
Strong emphasis on communication and design quality
NVIDIA
Expect deep systems and performance questions
Data structures & algorithms depth; structured SD interviews
OpenAI
High bar for engineering autonomy; systems + product thinking