Scale Engineer

Software Engineer

Software EngineerL2Medium

The Software Engineer L2 interview process at Nextdoor is designed to assess a candidate's technical proficiency, problem-solving abilities, and cultural fit within the company. It typically involves multiple rounds, including technical assessments, behavioral interviews, and a system design component.

Rounds·3

Timeline·~7d

Experience·2 - 5 yrs

Comp band·US$110000 - US$150000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structures knowledge
  • Code quality and efficiency

Preparation

How to prepare.

Tips

  1. Review fundamental data structures and algorithms (arrays, linked lists, trees, graphs, hash maps, sorting, searching).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or similar.
  3. Study system design concepts, including scalability, databases, caching, load balancing, and microservices.
  4. Prepare examples for common behavioral questions using the STAR method (Situation, Task, Action, Result).
  5. Research Nextdoor's mission, values, and recent product developments.
  6. Understand the technologies commonly used at Nextdoor (e.g., Python, Go, React, AWS).

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Algorithms Fundamentals

Weeks 1-2: Data Structures & Basic Algorithms. Cover arrays, lists, trees, graphs, hash tables. Practice recursion and sorting.

Weeks 1-2: Focus on core data structures (arrays, linked lists, stacks, queues, trees, graphs, hash tables) and their common operations and time complexities. Practice basic algorithmic techniques like recursion, iteration, and sorting.

Questions

Commonly asked.

  • Write a function to find the kth largest element in an unsorted array.
  • Design a system to shorten URLs.
  • Describe a time you disagreed with a teammate. How did you handle it?
  • How would you implement a rate limiter?
  • What are the trade-offs between SQL and NoSQL databases?
  • Tell me about a project you are particularly proud of.
  • How do you approach debugging a complex issue?
  • Design a news feed for a social media platform.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Remote

Interview focus

Understanding of distributed systems relevant to a social platform.Ability to work effectively in a remote or hybrid team.Adaptability to different time zones and communication styles.

Common questions

  • How would you optimize a database query for a social media feed?
  • Describe a time you had to deal with a production issue. What was your approach?
  • How do you ensure code quality and maintainability in a team environment?

Tips

  • Highlight experience with cloud platforms (AWS, GCP, Azure).
  • Be prepared to discuss collaboration tools and strategies.
  • Emphasize asynchronous communication skills.

Rounds

Round-by-round.

Expand a step for evaluation criteria, sample questions, and prep notes.

DSA

Coding questions at Nextdoor.

Frequently reported on Nextdoor loops

View all at Nextdoor

Other guides

More at Nextdoor.