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G2
Practice questions for the skills this job lists, plus common questions for any interview. These are for practice: we don’t know the employer’s actual questions.
What is the difference between a list and a tuple, and when would you use each?
Python
How do generators work, and why would you use one over a list?
Python
Explain the event loop: what happens between a setTimeout callback and a resolved promise?
JavaScript
What is a closure? Give an example where one is useful.
JavaScript
When would you use a union type versus an interface with optional fields?
TypeScript
What does `unknown` give you that `any` doesn't?
TypeScript
What causes a component to re-render, and how would you stop unnecessary re-renders?
React
Explain useEffect's dependency array with an example of a bug it can cause.
React
Tell me about a dataset you cleaned. What problems did you find?
This kind of role
How would you explain a model's result to a non-technical manager?
This kind of role
What do you know about G2's products and customers?
G2
Tell me about yourself in two minutes, focused on this role.
About you
Why this company, and why this role?
About you
Tell me about a time you disagreed with a teammate. What happened?
About you
Describe a time you failed or missed a deadline, and what you changed afterwards.
About you
How does Node handle many concurrent requests on a single thread?
Node.js
How would you structure error handling in an Express or Fastify API?
Node.js