Explain reliability and runtime fundamentals
Company: Tesla
Role: Backend Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Onsite
You may be asked several short technical-fundamentals questions such as:
- In a **Kafka-based batch consumer**, how would you prevent a batch from being processed twice?
- What happens end-to-end when a user opens a browser, types a query into Google, and presses Search?
- If a large web service's **API gateway** goes down, how should the system degrade gracefully or recover?
- What kind of **database or storage engine** would you choose for search results or searchable documents, and why?
- What is the difference between a **compiler** and an **interpreter**?
Overview: This question evaluates understanding of reliability and runtime fundamentals in backend engineering, covering competencies such as fault tolerance, end-to-end request lifecycles, API gateway degradation, storage engine selection for search, and the distinction between compilers and interpreters.
Read the full Tesla Backend Engineer interview experience this question came from