Scale Engineer

Software Engineer

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This interview process is for an Associate Software Engineer position at Qualcomm. It is designed to assess a candidate's foundational knowledge in computer science, problem-solving abilities, and potential for growth within the company.

Rounds·3

Timeline·~14d

Experience·0 - 2 yrs

Comp band·US$75000 - US$95000

Interview time·135 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structure knowledge
  • Coding proficiency
  • Communication skills
  • Technical depth
  • Behavioral fit

Preparation

How to prepare.

Tips

  1. Master fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, recursion).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or GeeksforGeeks.
  3. Review core computer science concepts: operating systems, databases, computer networks, and object-oriented programming.
  4. Understand the software development lifecycle (SDLC) and common development methodologies (Agile, Waterfall).
  5. Prepare for behavioral questions by reflecting on your past experiences using the STAR method (Situation, Task, Action, Result).
  6. Research Qualcomm's products, values, and recent news to tailor your answers.
  7. Practice explaining your thought process clearly and concisely, both verbally and on a whiteboard.
  8. For system design questions, familiarize yourself with concepts like scalability, availability, and trade-offs.
  9. Be ready to discuss your resume and projects in detail.

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Data Structures

Weeks 1-2: Data Structures (Arrays, Linked Lists, Trees, Hash Tables). Practice implementations and complexity analysis.

Weeks 1-2: Focus on Data Structures. Cover arrays, linked lists, stacks, queues, trees (binary trees, BSTs, AVL trees), heaps, and hash tables. Practice implementing these structures and solving problems related to them. Understand their time and space complexities.

Questions

Commonly asked.

  • Write a function to reverse a linked list.
  • Find the kth smallest element in a binary search tree.
  • Implement a queue using two stacks.
  • Explain the difference between BFS and DFS.
  • What is a deadlock and how can it be prevented?
  • Describe the ACID properties of database transactions.
  • How would you design a URL shortener service?
  • Tell me about a time you had a conflict with a team member and how you resolved it.
  • What are your strengths and weaknesses?
  • Why are you interested in working at Qualcomm?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Bangalore, India

Interview focus

Strong emphasis on data structures and algorithms.Understanding of operating system concepts.Basic knowledge of database systems.Problem-solving and analytical skills.

Common questions

  • Explain the difference between a process and a thread.
  • Describe the concept of polymorphism with an example.
  • How would you optimize a SQL query?
  • What are the advantages of using a NoSQL database?
  • Discuss a challenging technical problem you faced and how you solved it.

Tips

  • Be prepared to whiteboard solutions for algorithmic problems.
  • Review fundamental computer science concepts.
  • Practice explaining your thought process clearly.
  • Research common interview questions for entry-level software engineers.

Rounds

Round-by-round.

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

DSA

Coding questions at Qualcomm.

Frequently reported on Qualcomm loops

View all at Qualcomm

Other guides

More at Qualcomm.