Software Engineer

Software EngineerSDE 1Medium

This interview process is designed to assess candidates for the Software Engineer (SDE 1) role at Cashfree. It evaluates technical proficiency, problem-solving skills, and cultural fit.

Rounds·4

Timeline·~7d

Experience·0 - 2 yrs

Comp band·US$100000 - US$150000

Interview time·195 min

Evaluation

What they measure.

  • Problem-solving abilities
  • Coding proficiency
  • Data structures and algorithms knowledge
  • System design fundamentals
  • Communication skills
  • Teamwork and collaboration
  • Adaptability and learning agility
  • Cultural fit with Cashfree's values

Preparation

How to prepare.

Tips

  1. Brush up on fundamental data structures and algorithms.
  2. Practice coding problems on platforms like LeetCode, HackerRank, or GeeksforGeeks.
  3. Understand core computer science concepts (OS, DBMS, Networking).
  4. Review object-oriented programming (OOP) principles.
  5. Prepare to discuss your past projects in detail, focusing on your contributions and learnings.
  6. Research Cashfree's products, services, and company culture.
  7. Prepare answers to common behavioral questions using the STAR method (Situation, Task, Action, Result).
  8. Be ready to explain your thought process clearly during coding challenges.

Study plan

Fig · Study plan — 06 phases

01 / 06
01

Phase 01 of 06

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms Fundamentals

Weeks 1-2: Focus on fundamental data structures (Arrays, Linked Lists, Stacks, Queues, Trees, Graphs, Hash Tables) and their common algorithms. Practice problems related to time and space complexity analysis.

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 difficult stakeholder.
  • How would you design a URL shortener service?
  • What are the advantages of using a NoSQL database over a relational database?
  • Tell me about a time you failed and what you learned from it.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Bangalore

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.

Tips

  • Research Cashfree's presence and projects in this specific location.
  • Be prepared to discuss how your skills align with local business needs.
  • Practice articulating your thoughts clearly and concisely.

Rounds

Round-by-round.

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

Easy

Technical Interview · 45 min · Software Engineer

This round focuses on assessing your foundational programming skills and your understanding of basic data structures and algorithms. You will be asked to write code to solve a few problems, and your ability to explain your thought process and the efficiency of your solution will be evaluated.

What they look for

Clean and efficient codeLogical thinkingAbility to explain their solutionBasic understanding of algorithms

Evaluation

  • Basic coding ability
  • Understanding of fundamental data structures
  • Problem-solving approach
  • Communication clarity

Sample questions

  • Find the missing number in a given array of integers from 1 to N.

    ArrayBit Manipulation
  • Implement a function to check if a string is a palindrome.

    StringTwo Pointers
  • Given two sorted arrays, merge them into a single sorted array.

    ArrayMerge Sort

Prep for this round

  1. 01Practice coding problems on platforms like LeetCode (Easy/Medium).
  2. 02Review array, string, linked list, and tree manipulations.
  3. 03Understand time and space complexity (Big O notation).

Common rejection reasons

  • ×Inability to solve basic coding problems.
  • ×Poor understanding of fundamental data structures.
  • ×Lack of clarity in explaining code or logic.
  • ×Negative attitude or poor communication.

DSA

Coding questions at Cashfree.

Frequently reported on Cashfree loops

Other guides

More at Cashfree.