Uber Interview Guide 2026: Marketplace Systems, Real-Time Dispatch, and Distributed Engineering Uber’s engineering interviews reflect the company’s core challenges: real-time […]
Meta (formerly Facebook) is one of the most interview-prepared companies in tech — millions of people know the Meta interview
Figma is the leading collaborative design platform, with a browser-based collaborative vector editor used by nearly every major design team
Cloudflare is the global network that powers and protects the internet, operating one of the largest distributed networks with 300+
Datadog is the leading monitoring, observability, and security platform for cloud infrastructure. Engineering at Datadog means working on systems that
Stripe is the leading global payments infrastructure company, powering millions of businesses. Engineering at Stripe means working on financial systems
Anthropic is an AI safety company building Claude — one of the leading large language model assistants. The company was
OpenAI is one of the most sought-after employers in tech, attracting engineers who want to work at the frontier of
Sudoku Solver (LeetCode 37) is the canonical backtracking problem that tests constraint propagation, pruning, and disciplined state management. It appears
Generating all subsets (the power set) is a fundamental combinatorics problem that tests backtracking, bit manipulation, and your understanding of
The N-Queens problem is the classic backtracking problem. It places N chess queens on an N×N board so no two
Clone a Graph (LeetCode 133) is a foundational graph problem that tests your understanding of deep copy vs shallow copy,
Word Ladder (LeetCode 127) is the canonical example of BFS on an implicit graph — the nodes are words, the
Minimum Spanning Tree problems test whether you can connect all nodes in a weighted graph at minimum total cost —
Bellman-Ford is the shortest-path algorithm you reach for when Dijkstra fails — specifically when graphs contain negative-weight edges or you
