Software Engineer

Software EngineerAssociate Software EngineerMedium

The Associate Software Engineer interview at ZScaler is designed to assess a candidate's foundational knowledge in computer science, problem-solving abilities, and potential for growth within the company. It typically involves a mix of technical and behavioral assessments to evaluate both technical proficiency and cultural fit.

Rounds·3

Timeline·~7d

Experience·0 - 2 yrs

Comp band·US$65000 - US$85000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving approach
  • Code quality and efficiency
  • Understanding of fundamental CS concepts
  • Communication skills
  • Teamwork and collaboration potential
  • Cultural fit and alignment with ZScaler values

Preparation

How to prepare.

Tips

  1. Review fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, recursion, dynamic programming).
  2. Practice coding problems, focusing on time and space complexity analysis.
  3. Understand core programming concepts like OOP, data types, control flow, and memory management.
  4. Brush up on your knowledge of operating systems, databases, and networking basics.
  5. Prepare to discuss your projects, internships, and any open-source contributions.
  6. Research ZScaler's mission, values, and products to understand how your role contributes.
  7. Prepare for behavioral questions by thinking about your experiences related to teamwork, problem-solving, and learning.
  8. Practice explaining your thought process clearly and concisely.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures

Weeks 1-2: Data Structures (Arrays, Lists, Trees, Graphs, HashMaps). Practice problems.

Week 1-2: Focus on Data Structures. Cover arrays, linked lists, stacks, queues, trees (binary trees, BSTs, AVL trees), graphs, and hash tables. Understand their implementations, time/space complexities, and common use cases. Practice problems related to each data structure.

Questions

Commonly asked.

  • Write a function to reverse a linked list.
  • Given an array of integers, find the two numbers that add up to a specific target.
  • Explain the difference between a process and a thread.
  • What is polymorphism?
  • Describe a situation where you had to deal with a conflict in a team.
  • How would you design a URL shortener?
  • What are the principles of RESTful APIs?
  • Tell me about a time you failed and what you learned from it.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

India

Interview focus

Understanding of core data structures and algorithms.Ability to write clean and efficient code.Problem-solving skills and logical thinking.Communication and teamwork.

Common questions

  • Tell me about a challenging project you worked on during your internship.
  • How do you approach debugging a complex issue?
  • Describe a time you had to learn a new technology quickly.

Tips

  • Be prepared to discuss your academic projects and internships in detail.
  • Practice coding problems on platforms like LeetCode or HackerRank.
  • Research ZScaler's products and values to align your answers.

Rounds

Round-by-round.

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

DSA

Coding questions at ZScaler.

Frequently reported on ZScaler loops

Other guides

More at ZScaler.