Software Engineer

Software EngineerLS1Medium

This interview process is for a Software Engineer position at Pure Storage, specifically for the LS1 level. It is designed to assess a candidate's technical skills, problem-solving abilities, and cultural fit within the company.

Rounds·3

Timeline·~7d

Experience·1 - 3 yrs

Comp band·US$90000 - US$120000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving approach
  • Algorithmic thinking
  • Data structure knowledge
  • Code quality and efficiency
  • Communication of technical concepts

Preparation

How to prepare.

Tips

  1. Review core computer science concepts: data structures, algorithms, operating systems, databases.
  2. Practice coding problems focusing on efficiency and clarity.
  3. Understand Pure Storage's products and technologies.
  4. Prepare to discuss your past projects and contributions in detail.
  5. Research common behavioral interview questions and prepare STAR method responses.
  6. Familiarize yourself with system design principles and common architectural patterns.
  7. Understand the company culture and values.

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms (Arrays, Lists, Trees, Graphs, Sorting, Searching). Practice Easy/Medium LeetCode.

Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, stacks, queues, trees, graphs, hash tables. Study sorting algorithms (merge sort, quicksort), searching algorithms (binary search), and graph traversal (BFS, DFS). Practice problems on platforms like LeetCode (Easy/Medium).

Questions

Commonly asked.

  • Write a function to reverse a linked list.
  • Design a URL shortening service.
  • Tell me about a time you failed and what you learned from it.
  • How would you optimize a slow database query?
  • Explain the difference between TCP and UDP.
  • Describe a complex bug you encountered and how you debugged it.
  • What are your strengths and weaknesses?
  • How do you stay updated with new technologies?

Locations

Regional differences.

Fig · Regions — 03 locations

01 / 03

Location

Global

Interview focus

Adaptability to local work cultureCommunication skills in the local language (if applicable)Understanding of local market trends

Common questions

  • Tell me about a challenging project you worked on.
  • How do you handle tight deadlines?
  • Describe a time you disagreed with a team member and how you resolved it.

Tips

  • Research common business practices in this region.
  • Be prepared to discuss your experience with local technologies or frameworks.
  • Highlight any experience working in diverse or international teams.

Rounds

Round-by-round.

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

Med

Technical Interview (Coding) · 45 min · Software Engineer

This round focuses on your core technical skills. You will be asked to solve coding problems that test your knowledge of data structures and algorithms. The interviewer will assess your ability to write clean, efficient, and correct code, as well as your problem-solving methodology.

What they look for

Logical thinkingAbility to translate requirements into codeUnderstanding of fundamental data structures and algorithms

Evaluation

  • Correctness of solution
  • Efficiency of solution (time and space complexity)
  • Code readability and maintainability
  • Problem-solving approach

Sample questions

  • Given an array of integers, find the contiguous subarray with the largest sum.

    ArrayDynamic Programming
  • Implement a function to check if a binary tree is a valid Binary Search Tree (BST).

    TreeRecursionBinary Search Tree
  • Find the kth smallest element in a sorted matrix.

    ArrayHeapBinary Search

Prep for this round

  1. 01Practice coding problems on platforms like LeetCode, HackerRank, or AlgoExpert.
  2. 02Focus on understanding the time and space complexity of your solutions.
  3. 03Be prepared to explain your thought process clearly.
  4. 04Practice writing code on a whiteboard or in a shared editor.

Common rejection reasons

  • ×Inability to articulate thought process
  • ×Incorrect or inefficient algorithm
  • ×Poor coding practices

DSA

Coding questions at Pure Storage.

Frequently reported on Pure Storage loops

Other guides

More at Pure Storage.