Scale Engineer

Software Engineer

Software EngineerSDE IIIHard

This interview process is designed to assess candidates for the Software Engineer III role at InMobi. It evaluates technical proficiency, problem-solving skills, system design capabilities, and cultural fit.

Rounds·3

Timeline·~7d

Experience·5 - 10 yrs

Comp band·US$140000 - US$180000

Interview time·165 min

Evaluation

What they measure.

  • Problem-solving ability
  • Algorithmic thinking
  • Data structures knowledge
  • Code quality and efficiency
  • Debugging skills

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, focusing on medium to hard difficulty.
  3. Study system design principles and common architectural patterns.
  4. Prepare for behavioral questions by reflecting on past experiences using the STAR method.
  5. Research InMobi's products, services, and recent news.
  6. Understand the challenges and opportunities in the mobile advertising industry.

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.

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 efficiently and analyze their time/space complexity.

Questions

Commonly asked.

  • Design a system to handle real-time analytics for a mobile application.
  • How would you optimize a database query that is causing performance issues?
  • Describe a time you had to deal with a production outage. What steps did you take?
  • What are the trade-offs between using a monolithic architecture versus a microservices architecture?
  • How do you ensure the quality and reliability of the code you write?
  • Tell me about a time you disagreed with a technical decision made by your team lead.
  • How would you design a distributed cache system?
  • Explain the concept of eventual consistency.
  • What are your thoughts on test-driven development (TDD)?
  • How do you approach mentoring junior engineers?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Bangalore

Interview focus

Emphasis on leadership and mentorship experience.Deeper dive into architectural decisions and trade-offs.Understanding of scalability challenges in a high-traffic environment.

Common questions

  • Discuss a challenging project you led.
  • How do you handle technical disagreements within a team?
  • Describe a time you had to mentor junior engineers.
  • What are your thoughts on the current tech stack at InMobi?
  • How do you stay updated with new technologies relevant to mobile advertising?

Tips

  • Highlight instances where you influenced technical direction.
  • Be prepared to discuss your contributions to open-source projects or technical communities.
  • Research InMobi's recent technological advancements and challenges.

Rounds

Round-by-round.

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

DSA

Coding questions at InMobi.

Frequently reported on InMobi loops

View all at InMobi

Other guides

More at InMobi.