Back to Interview Prep
I

IBM Interview Preparation

Medium-Hard

Information Technology & Cloud Services · Bengaluru

IBM India is hiring on MyInternships.in. Explore open roles, required skills and apply.

280+ questions4 rounds5 expert tipshttps://www.ibm.com

About IBM

IBM (International Business Machines Corporation) is a global technology and consulting company founded in 1911 and headquartered in Armonk, New York. Often known as 'Big Blue,' IBM is one of the most established names in computing, with a long history of innovation spanning mainframes, semiconductors, programming languages, databases and, more recently, hybrid cloud and artificial intelligence. Today the company focuses on enterprise technology, offering hybrid-cloud platforms built around Red Hat, AI and data solutions including its watsonx family, consulting services, infrastructure, security and quantum-computing research. IBM holds one of the largest patent portfolios in the world and operates an extensive global research division. IBM has a deep and long-standing presence in India, where it employs a very large workforce across software development, services, consulting and research. Bengaluru is a central pillar of IBM's India operations and is home to the India Systems Development Lab (ISDL), where engineers build and enhance IBM software, systems and cloud products used by clients globally. IBM's India teams contribute to core engineering, AI, automation, security and client-delivery work, making the country one of IBM's most strategic locations. The company invests significantly in early-career talent through internships and entry-level programmes that pair students with experienced mentors on real, high-impact projects. For aspiring software developers, IBM offers the chance to work on enterprise-scale, cutting-edge technology in cloud and AI, learn rigorous engineering practices, and build a foundation for a long-term career at a company that has helped shape the computing industry for over a century.

Bengaluru

Interview Rounds4

1
Online Assessment60–90 min

2–3 DSA coding problems on HackerRank, CodeSignal, or company platform

2
Technical Interview I45–60 min

Data structures & algorithms — arrays, trees, graphs, dynamic programming

3
Technical Interview II45–60 min

System design or low-level design — scalability, APIs, databases

4
HR / Culture Round30 min

Career goals, teamwork, strengths/weaknesses, role expectations

Practice Questions10

Key Topics

  • Data Structures & Algorithms150q
  • System Design50q
  • Object-Oriented Design40q
  • SQL & Databases25q
  • CS Fundamentals (OS, Networking)25q

Expert Tips

  • Practice LeetCode easy and medium problems before the OA — focus on arrays, strings, trees, and graphs.
  • For system design, use the RESHADED framework: Requirements, Estimation, Storage, High-level design, APIs, Detailed design, Evaluation.
  • Prepare 3–4 STAR stories covering: a challenge you solved, a time you worked in a team, a project you owned end-to-end.
  • After every coding solution, proactively state the time and space complexity — interviewers expect it.
  • Study common CS fundamentals: process vs thread, TCP vs UDP, REST vs GraphQL, SQL indexing, CAP theorem.
IBM Interview Questions & Preparation Guide 2025 | MyInternships.in