Scale Engineer

EEE

Software EngineerAAAMedium to Hard

This interview process for a Software Engineer at Rakuten, specifically for the AAA level, is designed to assess a candidate's technical proficiency, problem-solving abilities, and cultural fit within the company. The 'EEE' title likely refers to a specific technical focus or team within Rakuten.

Rounds·4

Timeline·~14d

Experience·3 - 7 yrs

Comp band·US$110000 - US$150000

Interview time·180 min

Evaluation

What they measure.

  • Technical depth and breadth
  • Problem-solving approach
  • Algorithmic thinking
  • System design capabilities
  • Code quality and efficiency
  • Communication skills
  • Teamwork and collaboration
  • Cultural fit with Rakuten's values

Preparation

How to prepare.

Tips

  1. Review fundamental computer science concepts (data structures, algorithms, operating systems, databases).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or AlgoExpert.
  3. Study system design principles and common architectural patterns.
  4. Prepare to discuss your past projects in detail, focusing on your contributions and impact.
  5. Research Rakuten's products, services, and company culture.
  6. Understand the specific technologies and domains relevant to the 'EEE' role.
  7. Prepare behavioral questions using the STAR method (Situation, Task, Action, Result).
  8. Practice explaining complex technical concepts clearly and concisely.
  9. Prepare thoughtful questions to ask the interviewer about the role, team, and company.

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms fundamentals. Practice 2-3 medium problems daily.

Weeks 1-2: Focus on core data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal). Practice implementing these in your preferred language. Aim for 2-3 medium-difficulty problems per day.

Questions

Commonly asked.

  • Tell me about a time you had to deal with ambiguity in a project.
  • How do you approach learning a new technology?
  • Describe a situation where you had to influence a decision.
  • What are your strengths and weaknesses as a software engineer?
  • How do you prioritize your work when faced with multiple competing tasks?
  • Design a URL shortening service.
  • Explain the difference between processes and threads.
  • What is a distributed cache and why would you use one?
  • How would you handle a sudden spike in traffic to your application?
  • Describe a time you failed. What did you learn from it?

Locations

Regional differences.

Fig · Regions — 03 locations

01 / 03

Location

Tokyo, Japan

Interview focus

Deep understanding of distributed systems and microservices architecture.Proficiency in cloud platforms (AWS, Azure, GCP).Experience with large-scale data processing and analytics.Strong problem-solving and algorithmic thinking.Cultural alignment with Rakuten's values of innovation and customer focus.

Common questions

  • How would you design a system to handle real-time stock price updates for a global financial market?
  • Describe a challenging bug you encountered and how you debugged it.
  • Explain the trade-offs between SQL and NoSQL databases for a large-scale e-commerce platform.
  • How do you ensure the scalability and reliability of a distributed system?
  • Tell me about a time you had to work with a difficult stakeholder. How did you manage the situation?

Tips

  • Research Rakuten's recent technological advancements and product launches.
  • Be prepared to discuss your experience with specific technologies used by Rakuten's engineering teams.
  • Emphasize your contributions to team projects and your ability to collaborate effectively.
  • Understand Rakuten's business model and how engineering supports it.
  • Prepare specific examples that demonstrate your impact and leadership potential.

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.