Scale Engineer

Software Engineer

Software EngineerIC2Medium

Roblox is looking for talented Software Engineers at the IC2 level to join our dynamic team. This interview process is designed to assess your technical skills, problem-solving abilities, and cultural fit within our innovative environment. We value collaboration, creativity, and a passion for building engaging experiences for millions of players worldwide.

Rounds·4

Timeline·~14d

Experience·2 - 5 yrs

Comp band·US$110000 - US$150000

Interview time·195 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structures knowledge
  • Code quality and efficiency
  • System design capabilities
  • Communication skills
  • Collaboration and teamwork
  • Cultural fit and alignment with Roblox values

Preparation

How to prepare.

Tips

  1. Review fundamental data structures and algorithms (arrays, linked lists, trees, graphs, sorting, searching).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or Coderbyte, focusing on medium-difficulty problems.
  3. Study system design principles, including scalability, reliability, and performance.
  4. Prepare for behavioral questions by using the STAR method (Situation, Task, Action, Result) to structure your answers.
  5. Research Roblox's products, company culture, and recent news.
  6. Understand the core technologies used at Roblox (e.g., C++, Lua, JavaScript, cloud platforms).
  7. Prepare 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 Fundamentals

Weeks 1-2: Data Structures & Complexity Analysis.

Weeks 1-2: Focus on core data structures (arrays, linked lists, stacks, queues, hash maps, trees, heaps) and their common operations. Practice implementing these structures and solving problems involving them. Review time and space complexity analysis (Big O notation).

Questions

Commonly asked.

  • Tell me about a time you had to deal with a difficult stakeholder.
  • How do you ensure the quality of your code?
  • Describe a project you are particularly proud of and your role in it.
  • What are your strengths and weaknesses as a software engineer?
  • How would you design a system to recommend games to users on Roblox?
  • Explain the concept of recursion with an example.
  • What is the difference between a process and a thread?
  • How do you handle conflicting priorities?
  • Describe a situation where you failed and what you learned from it.
  • What interests you about working at Roblox?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

San Mateo, CA

Interview focus

Understanding of Roblox's platform and its unique challenges.Ability to contribute to a fast-paced, collaborative environment.Familiarity with the local tech community and industry trends.

Common questions

  • Describe a challenging technical problem you solved at Roblox.
  • How do you approach debugging a complex issue in a large codebase?
  • What are your thoughts on the future of game development platforms?
  • Tell me about a time you had to mentor a junior engineer.

Tips

  • Research Roblox's recent product launches and technical blog posts.
  • Be prepared to discuss your contributions to open-source projects if applicable.
  • Network with current Roblox employees in your location to gain insights.

Rounds

Round-by-round.

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

DSA

Coding questions at Roblox.

Frequently reported on Roblox loops

View all at Roblox

Other guides

More at Roblox.