This interview process is for a Senior Systems Engineer (JL3A) role at Infosys, focusing on assessing candidates' technical expertise, problem-solving abilities, and experience in designing and implementing complex systems.
Rounds·3
Timeline·~14d
Experience·5 - 8 yrs
Comp band·US$120000 - US$150000
Interview time·165 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 06 phases
01 / 06Phase 01 of 06
Weeks 1-2: CS Fundamentals (DS, Algo, OS, DB).
Weeks 1-2: Focus on core computer science fundamentals. Review data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal). Understand operating system concepts (processes, threads, memory management) and database fundamentals (SQL, ACID properties, normalization).
Phase 02 of 06
Weeks 3-5: Distributed Systems Concepts.
Weeks 3-5: Dive deep into distributed systems. Study the CAP theorem, consistency models (strong, eventual), consensus algorithms (Paxos, Raft), distributed transactions, load balancing, and caching techniques. Explore message queuing systems (Kafka, RabbitMQ) and their use cases.
Phase 03 of 06
Weeks 6-7: Cloud Computing & Containerization.
Weeks 6-7: Focus on cloud computing. Gain hands-on experience with at least one major cloud provider (AWS, Azure, GCP). Understand core services like EC2/VMs, S3/Blob Storage, RDS/Cloud SQL, VPC/VNet, SQS/Service Bus. Learn about containerization (Docker) and orchestration (Kubernetes).
Phase 04 of 06
Weeks 8-9: Microservices Architecture.
Weeks 8-9: Study microservices architecture. Understand the principles, design patterns (API Gateway, Service Discovery, Circuit Breaker), and challenges. Learn about inter-service communication (REST, gRPC) and data management in microservices.
Phase 05 of 06
Weeks 10-11: System Design Practice.
Weeks 10-11: Practice system design problems. Work through various scenarios, focusing on identifying requirements, designing components, considering trade-offs, and ensuring scalability and reliability. Use resources like 'Designing Data-Intensive Applications' and online system design primers.
Phase 06 of 06
Week 12: Behavioral Prep & Questions.
Week 12: Prepare for behavioral questions. Reflect on your past experiences and prepare STAR method responses for common questions related to teamwork, problem-solving, leadership, and handling challenges. Also, prepare insightful questions to ask the interviewer.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Behavioral / HR · 45 min · Hiring Manager / HR
This round assesses your behavioral aspects, cultural fit, and overall motivation for the role. You'll be asked questions about your past experiences, how you handle different situations, your strengths and weaknesses, and your career aspirations. The interviewer wants to understand how you work in a team, how you approach challenges, and whether you align with Infosys's culture and values.
What they look for
Evaluation
Sample questions
Tell me about a time you faced a significant challenge at work and how you overcame it.
How do you handle working with difficult team members?
What are your strengths and weaknesses?
Why are you interested in this role at Infosys?
Prep for this round
Common rejection reasons
System Design · 60 min · Senior Engineers / Architects
This round focuses on your ability to design scalable, reliable, and maintainable systems. You will be presented with a problem statement and asked to design a system to address it. The interviewer will probe into your design choices, ask about trade-offs, and assess your understanding of distributed systems concepts, databases, caching, messaging, and other relevant technologies. Expect to draw diagrams and explain your thought process in detail.
What they look for
Evaluation
Sample questions
Design a system to handle real-time notifications for a web application.
How would you design a distributed rate limiter?
Discuss the pros and cons of using microservices versus a monolith.
Prep for this round
Common rejection reasons
Technical / Coding · 60 min · Senior Engineers
This round assesses your core programming skills and your ability to solve algorithmic problems. You will be asked to write code to solve specific problems, often involving data structures and algorithms. The interviewer will evaluate your approach, the efficiency of your solution (time and space complexity), and the clarity and correctness of your code. Be prepared to explain your thought process as you code.
What they look for
Evaluation
Sample questions
Given a binary tree, find the lowest common ancestor of two given nodes.
Implement a function to find the k-th largest element in an unsorted array.
Write a function to validate if a string contains balanced parentheses.
Prep for this round
Common rejection reasons
DSA
Frequently reported on Infosys loops
Other guides
