Katkat
Back

Why Confluent, and a Deep Dive into a Project You Worked On

ConfluentSoftware Engineer · Onsite
MediumSoftware EngineerOnsiteBehavioral & Leadership

Last updated

A values and behavioral round for a senior software engineer built around two questions: why you want to join Confluent, and an in-depth walkthrough of a project you worked on. It tests motivation grounded in specifics, ownership of technical decisions and the ability to defend trade-offs under probing.

The last round of a senior software engineer interview loop is labeled a values interview, and candidates are told beforehand to know the company's stated values. In practice the round runs as an informal conversation, and the interviewer spends most of it on two things: why you want to join Confluent, and one of your projects, examined in depth.

Clarifying Questions

  • Roughly how much of the round should go to each question?
  • Should the project be recent, and should it be one you led rather than one you contributed to?
  • Can you sketch the project's architecture on a shared whiteboard or document?

Part 1 — Why Confluent?

Explain why you want to work at Confluent, and in this role.

What This Part Should Cover

  • Genuine interest in the company's product area, backed by your own experience
  • Why this role and level, and what you would contribute
  • A link between one or two of the company's values and how you actually work

Part 2 — Deep dive into a project

Pick one project you worked on and walk the interviewer through it. Expect to be stopped and questioned at any level: the goal, the architecture, the decisions you made, what went wrong and what the result was.

What This Part Should Cover

  • Context, goal and your specific role
  • The design and the key decisions, with alternatives and trade-offs
  • The hardest problem and how you handled it
  • Measurable results, and what you would change now

Hints

Hint 1

Specific beats flattering: Tie something concrete in your own work to what this company builds and to this role, instead of praising the company in general terms.

Hint 2

Choose a project you can defend at every depth: Pick a project where you made the key decisions yourself, and prepare the alternatives you rejected and the numbers behind the result.

Follow-up questions

  • Which part of that project would you design differently today, and why?
  • Tell me about a disagreement over the project's technical direction. How was it resolved?
  • How was the project's success measured, and who decided it had succeeded?
  • If you joined, what would you want to work on in your first six months?