This interview process is designed to assess candidates for the Software Engineer (SDE3) role at Cashfree. It evaluates technical proficiency, problem-solving skills, system design capabilities, and cultural fit.
Rounds·4
Timeline·~7d
Experience·5 - 8 yrs
Comp band·US$180000 - US$250000
Interview time·225 min
Evaluation
What they measure.
Technical depth and breadth
Problem-solving approach
System design and architecture skills
Coding proficiency and best practices
Communication and collaboration skills
Cultural fit and alignment with company values
Ability to handle complex problems
Creativity in solutions
Logical thinking and analytical skills
Scalability and reliability of designs
Trade-off analysis
Understanding of distributed systems
API design principles
Clarity of communication
Ability to explain technical concepts
Active listening
Teamwork and collaboration
Preparation
How to prepare.
Tips
01Thoroughly review data structures and algorithms, focusing on time and space complexity.
02Practice coding problems on platforms like LeetCode, HackerRank, and GeeksforGeeks, targeting medium to hard difficulty.
03Study system design principles, common architectural patterns (microservices, event-driven), and distributed systems concepts (CAP theorem, consensus algorithms).
04Prepare to discuss your past projects in detail, highlighting your contributions, challenges faced, and solutions implemented.
05Understand core concepts of operating systems, databases, and networking.
06Be ready for behavioral questions that assess your teamwork, leadership, and problem-solving approach in real-world scenarios.
07Research Cashfree's products, services, and company culture to understand how your skills align.
Study plan
Fig · Study plan — 05 phases
01 / 05
01
Phase 01 of 05
Data Structures and Algorithms
Weeks 1-2: DSA fundamentals and practice.
Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, trees, graphs, hash maps, heaps, and sorting/searching algorithms. Practice problems related to each topic, aiming for optimal solutions. Understand time and space complexity analysis.
02
Phase 02 of 05
System Design
Weeks 3-4: System Design principles and practice.
Weeks 3-4: Dive into System Design. Study concepts like load balancing, caching, database sharding, message queues, and microservices architecture. Practice designing common systems like URL shorteners, social media feeds, or e-commerce platforms. Understand trade-offs between different design choices.
03
Phase 03 of 05
Core CS Concepts
Week 5: CS Fundamentals review.
Week 5: Review core Computer Science concepts including Operating Systems (processes, threads, memory management), Databases (SQL, NoSQL, ACID properties), and Networking (TCP/IP, HTTP).
04
Phase 04 of 05
Behavioral Preparation
Week 6: Behavioral and Situational preparation.
Week 6: Prepare for Behavioral and Situational questions. Reflect on your past experiences related to teamwork, conflict resolution, leadership, and handling failures. Use the STAR method (Situation, Task, Action, Result) to structure your answers.
05
Phase 05 of 05
Mock Interviews and Final Review
Week 7: Mock interviews and final review.
Week 7: Mock interviews and final review. Practice coding and system design problems under timed conditions. Get feedback from peers or mentors. Review all topics and focus on areas where you feel less confident.
Questions
Commonly asked.
Design a distributed cache system.
How would you design a rate limiter?
Explain the difference between SQL and NoSQL databases and when to use each.
Write a function to find the k-th largest element in an unsorted array.
Describe a situation where you had to deal with a production issue. What was your approach?
How do you approach code reviews?
What are the challenges in building a scalable e-commerce platform?
Discuss your experience with asynchronous programming.
How do you stay updated with new technologies?
Tell me about a time you disagreed with a technical decision. How did you handle it?
Locations
Regional differences.
Fig · Regions — 02 locations
01 / 02
Location
Bangalore
Interview focus
Deep understanding of distributed systems and microservices architecture.Experience with cloud platforms (AWS, Azure, GCP).Proficiency in designing scalable and fault-tolerant systems.Strong problem-solving and debugging skills in complex environments.
Common questions
How would you design a URL shortener service?
Explain the CAP theorem and its implications.
Discuss a challenging bug you encountered and how you resolved it.
How do you ensure scalability and reliability in your code?
Describe your experience with distributed systems.
Tips
Brush up on distributed systems concepts and common design patterns.
Be prepared to discuss your experience with specific cloud services.
Practice explaining complex technical concepts clearly and concisely.
Highlight projects where you significantly improved system performance or scalability.
Location
Gurugram
Interview focus
Strong grasp of data structures and algorithms.Experience with API design and development.Ability to optimize code for performance and efficiency.Good communication and collaboration skills.Mentorship and leadership potential.
Common questions
Design a system for real-time analytics.
How would you handle high concurrency in a web application?
Discuss trade-offs between different database technologies.
Explain the principles of RESTful API design.
Describe a situation where you had to mentor junior engineers.
Tips
Review common data structures and algorithms, especially those related to performance optimization.
Practice designing RESTful APIs and understanding their principles.
Prepare examples of how you've mentored or led technical discussions.
Be ready to discuss your approach to code reviews and quality assurance.
Rounds
Round-by-round.
Expand a step for evaluation criteria, sample questions, and prep notes.
Hard
Data Structures And Algorithms Interview · 60 min · Senior Software Engineer
This round focuses on assessing your core programming skills. You will be asked to solve 1-2 coding problems, typically involving data structures and algorithms. The interviewer will evaluate your approach to problem-solving, your ability to write efficient and correct code, and your understanding of time and space complexity. Expect questions that require you to think critically and adapt your solutions.
What they look for
Strong analytical and problem-solving skills.Proficiency in at least one programming language.Ability to write clean, efficient, and maintainable code.Understanding of algorithmic complexity.Clear communication of thought process.
Evaluation
Correctness of the solution
Efficiency (time and space complexity)
Code quality and readability
Problem-solving approach
Ability to handle edge cases
Sample questions
Given a binary tree, find its inorder traversal.
TreeRecursionIteration
Implement a function to find the median of a stream of numbers.
HeapData Structures
Find the longest substring without repeating characters.
Sliding WindowHash Map
Prep for this round
01Practice coding problems on platforms like LeetCode, HackerRank, focusing on medium to hard difficulty.
02Ensure you can explain your thought process clearly while coding.
03Be prepared to discuss trade-offs of different approaches.
04Review common data structures and algorithms thoroughly.
Common rejection reasons
×Inability to solve coding problems efficiently.
×Poor understanding of fundamental data structures and algorithms.
×Lack of clarity in explaining thought process.
×Suboptimal solutions without considering complexity.
Hard
System Design Interview · 60 min · Staff Software Engineer / Architect
This round evaluates your ability to design and architect software systems. You'll be presented with a high-level problem (e.g., design a URL shortener, a social media feed, or a payment gateway) and expected to propose a scalable and robust solution. Focus on components, data flow, APIs, database choices, caching strategies, and handling failures.
What they look for
Ability to design complex, scalable, and reliable systems.Deep understanding of distributed systems principles.Experience with various architectural patterns.Ability to articulate design choices and trade-offs.Consideration for non-functional requirements (performance, availability, security).
Evaluation
Scalability of the proposed design
Reliability and fault tolerance
Trade-off analysis and justification
Understanding of system components
Clarity and structure of the design
Sample questions
Design a system to count unique visitors to a website in real-time.
System DesignScalabilityReal-time
How would you design a distributed job scheduler?
System DesignDistributed SystemsConcurrency
Design an API for a ride-sharing service.
System DesignAPI DesignMicroservices
Prep for this round
01Study common system design patterns and architectural styles.
02Practice designing various systems, considering scalability, availability, and performance.
03Understand trade-offs between different technologies and approaches.
04Be prepared to discuss your past system design experiences.
Common rejection reasons
×Inability to design scalable and reliable systems.
×Lack of understanding of distributed systems concepts.
×Poor trade-off analysis.
×Not considering failure scenarios or edge cases.
Med
Behavioral And Managerial Interview · 45 min · Hiring Manager / Engineering Manager
This round focuses on your behavioral aspects, past experiences, and cultural fit. You'll be asked questions about your career goals, how you handle challenges, your strengths and weaknesses, and your experience working in teams. The interviewer wants to understand how you operate, your motivations, and whether you'd be a good addition to the Cashfree team.
What they look for
Strong communication and interpersonal skills.Evidence of teamwork and collaboration.Problem-solving approach in non-technical situations.Alignment with Cashfree's values and culture.Enthusiasm for the role and company.
Tell me about a time you had to work with a difficult colleague. How did you handle it?
BehavioralTeamworkConflict Resolution
Describe a project you are particularly proud of and your role in it.
BehavioralProject ExperienceImpact
How do you handle constructive criticism?
BehavioralGrowth Mindset
What are your long-term career goals?
BehavioralCareer Aspirations
Prep for this round
01Prepare examples using the STAR method for common behavioral questions.
02Reflect on your career goals and why you are interested in Cashfree.
03Be ready to discuss your strengths and weaknesses honestly.
04Show enthusiasm and genuine interest in the role and company.
Common rejection reasons
×Poor communication skills.
×Lack of alignment with company values.
×Inability to articulate past experiences effectively.
×Negative attitude or lack of enthusiasm.
×Not demonstrating leadership or teamwork potential.
V.Hard
Technical Leadership And Strategy Interview · 60 min · Director of Engineering / VP of Engineering
This is typically the final round, conducted by senior leadership. It focuses on your overall technical leadership, strategic thinking, and your potential to contribute at a senior level. Expect in-depth discussions about your experience, technical challenges you've overcome, and your vision for technology. This round assesses your ability to influence technical direction and mentor teams.
What they look for
Proven track record of technical leadership.Deep understanding of software engineering principles and best practices.Ability to mentor and guide junior engineers.Experience in driving technical decisions and strategy.Proactive approach to identifying and solving complex problems.
Evaluation
Deep technical expertise in relevant domains.
Ability to lead technical discussions and mentor others.
Strategic thinking and architectural vision.
Experience with large-scale systems and complex problem-solving.
Contribution to technical strategy and innovation.
Sample questions
How would you architect a new microservice from scratch, considering scalability and maintainability?
ArchitectureMicroservicesScalability
Describe a time you had to make a significant technical decision with incomplete information. What was the outcome?
LeadershipDecision MakingRisk Management
How do you foster a culture of innovation and continuous learning within an engineering team?
LeadershipMentorshipTeam Culture
Prep for this round
01Be prepared to discuss your most challenging technical projects and leadership experiences.
02Think about your contributions to technical strategy and team growth.
03Understand the broader impact of technology decisions.
04Research Cashfree's technical challenges and how you can contribute.
Common rejection reasons
×Lack of depth in specific technical areas relevant to the role.
×Inability to answer advanced technical questions.
×Poor understanding of architectural trade-offs at a senior level.
×Not demonstrating leadership or mentorship capabilities.