This interview process is for a Software Engineer position at LINE, specifically at the L5 level. It is designed to assess a candidate's technical proficiency, problem-solving skills, system design capabilities, and cultural fit within the company.
Rounds·3
Timeline·~14d
Experience·4 - 8 yrs
Comp band·US$130000 - US$180000
Interview time·150 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 04 phases
01 / 04Phase 01 of 04
Weeks 1-2: Data Structures & Algorithms fundamentals. Practice coding.
Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Trees, Graphs, Hash Tables) and algorithms (Sorting, Searching, Dynamic Programming, Greedy Algorithms). Practice implementing these in your preferred language. Aim for at least 5-10 problems per topic.
Phase 02 of 04
Weeks 3-4: System Design principles and case studies.
Weeks 3-4: Dive into system design principles. Cover topics like load balancing, caching, database design (SQL/NoSQL), message queues, and microservices architecture. Study common design patterns and trade-offs. Review case studies of large-scale systems.
Phase 03 of 04
Week 5: Behavioral questions preparation using STAR method.
Week 5: Prepare for behavioral questions. Reflect on your past experiences related to teamwork, problem-solving, leadership, and handling challenges. Use the STAR method to structure your answers. Research LINE's values and mission.
Phase 04 of 04
Week 6: Mock interviews and final review.
Week 6: Mock interviews and final review. Conduct mock interviews focusing on both technical and behavioral aspects. Review your notes and areas where you feel less confident. Ensure you have clear, concise answers for common questions.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Data Structures And Algorithms Interview · 45 min · Software Engineer (Peer)
This round focuses on your core computer science knowledge. You will be asked to solve 1-2 coding problems, typically involving data structures and algorithms. The interviewer will assess your ability to analyze the problem, devise an efficient solution, and implement it cleanly in a programming language of your choice. Expect to discuss time and space complexity.
What they look for
Evaluation
Sample questions
Implement a function to reverse a linked list.
Find the k-th smallest element in an unsorted array.
Given a binary tree, perform a level order traversal.
Prep for this round
Common rejection reasons
System Design Interview · 60 min · Senior Software Engineer / Architect
This round assesses your ability to design and architect software systems. You will be given an open-ended problem (e.g., design a social media feed, a chat system, or a URL shortener) and expected to propose a scalable, reliable, and maintainable solution. You'll need to discuss various components, data models, APIs, and potential bottlenecks.
What they look for
Evaluation
Sample questions
Design a system to handle real-time analytics for a website.
Design a distributed key-value store.
Design a rate limiter for an API.
Prep for this round
Common rejection reasons
Behavioral And Managerial Interview · 45 min · Hiring Manager / Engineering Lead
This round focuses on your behavioral and soft skills. You'll be asked questions about your past experiences, how you handle specific situations (e.g., conflicts, failures, successes), your career goals, and your motivation for joining LINE. The interviewer wants to understand your personality, work style, and how you'd fit into the team and company culture.
What they look for
Evaluation
Sample questions
Tell me about a time you had to work with a difficult colleague.
Describe a project you are particularly proud of and your role in it.
How do you stay updated with new technologies?
What are your strengths and weaknesses?
Prep for this round
Common rejection reasons
DSA
Frequently reported on LINE loops
Other guides
