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Databricks
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 RAII and smart pointers. When would you use unique_ptr versus shared_ptr?
C++
Explain ownership and borrowing, and how they prevent data races.
Rust
Explain Pods, Deployments and Services, and how traffic reaches a Pod.
Kubernetes
How would you debug a Pod stuck in CrashLoopBackOff?
Kubernetes
What is Terraform state, and how do teams share it safely?
Terraform
When would you use XLOOKUP or INDEX/MATCH, and how do pivot tables help summarise data?
Excel
What happens, step by step, when you type a URL into a browser?
Networking
Explain the difference between TCP and UDP and where each is used.
Networking
Walk me through a project you built: the design, a hard bug and what you'd change.
This kind of role
Reverse a linked list, then explain its time and space complexity.
This kind of role
How would you design a URL shortener?
This kind of role
What do you know about Databricks's products and customers?
Databricks
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