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Ethos Life
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.
How do equals() and hashCode() work together in a HashMap?
Java
Explain the difference between checked and unchecked exceptions.
Java
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
Write a query for the second-highest salary in each department.
SQL
Explain the difference between INNER, LEFT and FULL joins with an example.
SQL
A key metric dropped 20% yesterday. How do you investigate?
Data analysis
How would you design an A/B test for a new feature, and how long would you run it?
Data analysis
Tell me about a process you made faster or cheaper. How did you measure it?
This kind of role
What do you know about Ethos Life's products and customers?
Ethos Life
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