Interview questions

13 questions

What is the project you are most proud of?

If you were building an autocomplete experience, how would you use underlying data to predict the next word a person is going to type?

System designPM

Design a file upload feature for an AI chat application.

Implement LRU Cache.

Assume the model needs a 20% precision improvement in 2 weeks to 1 month and you have 8 to 10 contractors. How would you approach it, what data would you use, and how would you leverage the team?

Design and implement an in-memory key-value store that supports set, transactional begin, commit, and abort operations.

Design a rate limiter.

System designSWE

Design a task management system with tasks broken into sub-tasks.

System designSWE

How have you led teams at scale to improve models or algorithms post-training, especially using contractors?

Implement an iterator class that supports next, hasNext, getState, and setState, then extend it to treat a list of iterators as one continuous iterator with a global index.

Databricks9mo ago

Tell me about the accomplishment you are most proud of.

Given a large, partially implemented LLM/agentic codebase, identify the intended behavior and implement a missing function by reading and reasoning through the existing code, without explicit test cases or I/O specs.

Perplexity AI5mo ago

Why do you want to join an AI-first company?