Loading page
SAP Fioneer
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
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 are coroutines, and how do they differ from threads?
Kotlin
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 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
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 SAP Fioneer's products and customers?
SAP Fioneer
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