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Sigmoid
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
What are transaction isolation levels, and which problems does each prevent?
MySQL
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
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
How would you deploy and scale a web API on Azure?
Azure
What's the difference between an image and a container? How do you keep images small?
Docker
Explain merge versus rebase. How do you resolve a conflict?
Git
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 Sigmoid's products and customers?
Sigmoid
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