MongoDB
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.
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
How would you find and fix a slow query in Postgres (EXPLAIN ANALYZE)?
PostgreSQL
What are transaction isolation levels, and which problems does each prevent?
MySQL
When would you embed documents versus reference them in MongoDB?
MongoDB
Design a simple, highly available web app on AWS. Which services and why?
AWS
What's the difference between an IAM role and an IAM user?
AWS
How would you deploy and scale a web API on Azure?
Azure
Compare Cloud Run, GKE and App Engine for a new service.
Google Cloud
Sell me this pen. Then tell me how you'd qualify a lead.
This kind of role
Tell me about a deal you lost and what you learned.
This kind of role
What do you know about MongoDB's products and customers?
MongoDB
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