Scale Engineer

Software Engineer 2

Software EngineerL4Medium

This interview process is for a Software Engineer position at Deliveroo, specifically for the L4 level. It is designed to assess a candidate's technical skills, problem-solving abilities, and cultural fit within the company.

Rounds·3

Timeline·~14d

Experience·2 - 5 yrs

Comp band·US$110000 - US$140000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Code quality and efficiency
  • System design capabilities
  • Communication and collaboration

Preparation

How to prepare.

Tips

  1. Review fundamental computer science concepts (data structures, algorithms, operating systems, databases).
  2. Understand Deliveroo's business model and technology stack.
  3. Prepare examples for behavioral questions using the STAR method (Situation, Task, Action, Result).
  4. Practice coding problems, focusing on time and space complexity.
  5. Research common system design patterns and trade-offs.
  6. Prepare questions to ask the interviewer about the role, team, and company culture.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms (LeetCode Medium x20)

Weeks 1-2: Focus on core data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, greedy algorithms). Practice implementing these in your preferred language and analyze their time/space complexity. Solve at least 20 LeetCode medium problems.

Questions

Commonly asked.

  • Write a function to find the kth largest element in an unsorted array.
  • Design a system to handle real-time analytics for a streaming service.
  • Describe a situation where you disagreed with a team member. How did you resolve it?
  • How would you optimize the performance of a web application experiencing high traffic?
  • Explain the concept of CAP theorem and its implications for distributed systems.
  • Tell me about a time you failed. What did you learn from it?
  • What are the advantages of using microservices?
  • How do you approach debugging a complex issue in a production environment?
  • What is your experience with cloud platforms like AWS or GCP?
  • How do you stay updated with new technologies and trends in software engineering?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

London

Interview focus

Understanding of local market nuances in technology adoption.Adaptability to regional engineering practices.Communication skills in the local language and context.

Common questions

  • How would you optimize a database query for a high-traffic e-commerce platform?
  • Describe a time you had to deal with a production issue under pressure. What was your approach?
  • What are your thoughts on microservices vs. monolithic architectures for a food delivery service?

Tips

  • Research common technology stacks used in the specific region.
  • Be prepared to discuss case studies relevant to the local market.
  • Highlight any experience working with distributed teams or in a global context.

Rounds

Round-by-round.

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

DSA

Coding questions at Deliveroo.

Frequently reported on Deliveroo loops

View all at Deliveroo

Other guides

More at Deliveroo.