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InMobi Group Placement Guide

Mobile Advertising & Marketing Technology · Bengaluru, India (global) · ~3,000 employees · Founded 2007

InMobi is India's most successful global tech startup, owning the world's largest independent mobile advertising network. Its Glance lock-screen AI platform reaches 400M+ users globally.

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Business Model

India's first internet unicorn and the world's largest independent mobile ad exchange, now expanding into AI-powered content and commerce through Glance.

Revenue streams

Key products

Customers

Salary & Roles

₹10 – 25+ LPA (SWE/product/data science roles)

Roles typically hiring for

Eligibility criteria

Typically 7.0+ CGPA, strong DSA/problem-solving. CS or allied branches preferred for SDE; open branches for analyst roles. Internship conversions common.

Hiring timeline

On-campus Aug–Oct for finals; summer internship hiring Jul–Sep for pre-finals. Offer to joining: 6–11 months.

Skills to prepare

Strong DSA (trees, graphs, DP)System design basicsOne strong languageProblem-solving under time pressureCS fundamentals (OS, DBMS, OOP)Behavioral / leadership stories

SWOT Analysis

Strengths

  • Global mobile ad exchange scale
  • Glance — unique AI lock-screen platform
  • India's pioneer global tech company
  • OEM partnerships (Xiaomi, Samsung)

Weaknesses

  • Advertising market cyclicality
  • Google & Meta ad duopoly competition
  • Glance monetisation still scaling
  • Brand awareness limited outside tech

Opportunities

  • Glance global expansion (US, Brazil)
  • Retail media growth
  • AI-powered content personalization
  • India connected device growth

Threats

  • Google/Meta duopoly in mobile ads
  • Lock-screen regulation risk
  • Competition from creator platforms (Instagram)
  • Ad market downturns

Competitors

Google (AdMob) Mobile ad rival

Largest mobile ads.

Meta Audience Network Rival

Social app monetisation.

AppLovin Rival

Performance mobile ads.

Snap Audience Network Rival

Youth mobile.

Industry Intelligence

Mobile advertising is an $800B+ market with Google/Meta dominating; InMobi carves its niche as the independent exchange and Glance is a new content paradigm.

Key trends

Outlook

Glance's global expansion and retail media are the key growth bets; Google/Meta competition is the structural challenge.

Largest independent
Mobile ads
Exchange
400M+ users
Glance
Lock-screen AI
Unicorn pioneer
India origin
First Indian unicorn
Xiaomi/Samsung
OEM
Partner

Interview Process

Stage-by-stage, with tips and sample questions

1

Online Assessment

Timed coding test on a platform (HackerRank/Codility) with 2–3 DSA problems and sometimes MCQs on CS fundamentals.

Tips
  • Solve 150–250 LeetCode problems (easy→medium→hard)
  • Master arrays, strings, trees, graphs, DP
  • Dry-run edge cases before submitting
Sample questions
  • Two-pointer / sliding-window array problem
  • Tree traversal / lowest common ancestor
  • Dynamic programming (knapsack/LIS variant)
  • MCQs on time complexity & OS
2

Technical Round (DSA)

Live coding with an engineer. You explain your approach, optimise complexity, and write working code.

Tips
  • Think out loud — communication is scored
  • State brute force, then optimise
  • Discuss time & space complexity explicitly
Sample questions
  • Design an LRU cache
  • Detect a cycle in a linked list
  • Number of islands (BFS/DFS)
  • Find median of two sorted arrays
3

System / Design Round

For some roles: high-level design or low-level design (machine-coding) to test scalability and OOP modelling.

Tips
  • Learn fundamentals: load balancing, caching, sharding, queues
  • Clarify requirements before designing
  • Discuss trade-offs, not just one answer
Sample questions
  • Design a URL shortener
  • Design a rate limiter
  • Low-level design of a parking lot
  • How would you scale a notification system?
4

Behavioral / Bar-Raiser Round

Values and leadership-principles based. Uses your past experiences to predict how you work.

Tips
  • Prepare 6–8 STAR stories (Situation-Task-Action-Result)
  • Map stories to the company’s leadership principles
  • Show ownership, data-driven decisions, and impact
Sample questions
  • Tell me about a time you disagreed with a teammate.
  • Describe your most challenging project.
  • A time you took ownership beyond your role.
  • How do you prioritise when everything is urgent?

Frequently Asked Questions

Walk me through your resume.

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Why this company over its competitors?

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What are your salary expectations?

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How does a hash map work internally?

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Explain process vs thread.

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Design a system to handle 1M requests/sec.

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Estimate the number of delivery vans needed in Bengaluru.

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How would you reduce checkout abandonment on our app?

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