Scale Engineer

EE

Software EngineerAAMedium to Hard

The EE interview for Software Engineer at Rakuten at the AA level is a comprehensive assessment designed to evaluate a candidate's technical proficiency, problem-solving abilities, and cultural fit within the company. It typically involves multiple rounds, including technical interviews focusing on data structures, algorithms, and system design, as well as behavioral interviews to gauge teamwork and communication skills.

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 structure knowledge
  • Coding proficiency
  • System design capabilities
  • Communication skills
  • Teamwork and collaboration
  • Cultural fit
  • Adaptability and learning agility

Preparation

How to prepare.

Tips

  1. Review fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or AlgoExpert, focusing on medium to hard difficulty.
  3. Study system design principles and common architectural patterns (e.g., load balancing, caching, database sharding, message queues).
  4. Prepare for behavioral questions by using the STAR method (Situation, Task, Action, Result) to structure your answers.
  5. Research Rakuten's products, services, and company culture to understand their mission and values.
  6. Understand the specific technologies and programming languages mentioned in the job description.
  7. Prepare questions to ask the interviewer about the role, team, and company.

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. Implement and solve problems for arrays, linked lists, trees, graphs, hash tables. Practice sorting and searching.

Weeks 1-2: Focus on core data structures (arrays, linked lists, stacks, queues, trees, graphs, hash tables) and their common operations. Practice implementing them and solving problems related to their usage. Cover basic algorithms like sorting (quicksort, mergesort) and searching (binary search).

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a system to handle real-time notifications for a social media platform.
  • Explain the concept of ACID properties in database transactions.
  • Tell me about a time you disagreed with a team member and how you resolved it.
  • How would you optimize a slow-running database query?
  • Implement a function to reverse a linked list.
  • What are the advantages of using a NoSQL database over a relational database?
  • Describe a project you are particularly proud of and your role in it.
  • How do you approach debugging a complex issue?
  • What is the time and space complexity of your solution for problem X?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

USA

Interview focus

Strong emphasis on practical application of data structures and algorithms.System design questions are often more focused on scalability and distributed systems.Behavioral questions may probe deeper into collaboration within a global team context.

Common questions

  • How would you design a URL shortening service?
  • Explain the difference between a process and a thread.
  • Describe a challenging technical problem you faced and how you solved it.
  • How do you handle concurrency in your applications?
  • What are your thoughts on microservices architecture?

Tips

  • Be prepared to discuss your experience with cloud platforms like AWS, Azure, or GCP.
  • Familiarize yourself with common distributed system patterns.
  • Practice explaining complex technical concepts clearly and concisely.
  • Highlight any experience working in agile environments and with CI/CD pipelines.

Rounds

Round-by-round.

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

DSA

Coding questions at Rakuten.

Frequently reported on Rakuten loops

View all at Rakuten

Other guides

More at Rakuten.