Process, Questions & AI Prep Tips
Infosys is India's second-largest IT services company, headquartered in Bengaluru, with approximately 343,000 employees across 56 countries and FY2024 revenue of $18.6 billion. Campus recruitment uses the InfyTQ platform for track-based hiring: Systems Engineer (SE), Digital Specialist Engineer (DSE), and Power Programmer (PP). Each track carries progressively higher technical expectations and compensation. Infosys co-invented the Global Delivery Model and serves over 1,700 clients including 250 Fortune 500 companies.
Reasoning Ability (15 questions, 25 min), Math (10 questions, 25 min), Verbal Ability (20 questions, 20 min), and a Coding Ability section (2 problems, 90 min). Track assignment is based on overall score percentile.
3 coding problems on LeetCode-style data structures and algorithms. 2.5-hour time limit. Java and Python are the preferred languages. The Power Programmer track adds an advanced round.
Data structures, algorithms, system design basics, programming language deep-dive (Java/Python/C++), and detailed discussion of academic or industry project including architecture decisions.
Behavioral assessment using STAR method, technology interests, location preferences, joining timeline, and discussion of Infosys's commitment to continuous learning and digital upskilling.
Implement a function to check if a binary tree is a valid BST.
Explain the difference between synchronous and asynchronous programming with real-world examples.
How does Infosys's Cobalt cloud platform differ from traditional cloud migration services?
Design a notification system for 10 million daily active users. How do you handle fan-out?
What is the difference between dynamic programming and memoization? When do you use each?
Describe a time when you worked across teams to deliver a high-pressure project on time.
How would you optimize a SQL query running slowly on a 100-million-row table?
What are the CAP theorem trade-offs? Give examples of systems that choose CP vs. AP.
Explain how you would refactor a legacy monolithic application into microservices.
What is CI/CD and why is it critical for modern software delivery?
Register on InfyTQ and complete the course curriculum; finishing 80%+ of courses sometimes grants a direct interview invite, bypassing the aptitude test.
The DSE and Power Programmer tracks are significantly more competitive — target these if you have strong coding skills and want higher starting pay.
Practice SQL extensively, not just coding: Infosys tests database knowledge (joins, window functions, query optimization) in technical rounds.
Infosys’s 1-year service agreement for freshers in India requires repaying ₹50,000 in training costs if broken early — factor this into your decision.
Learn Infosys’s key platforms: Cobalt (cloud), Topaz (AI/ML), and Wingspan (learning) to demonstrate business context.
Behavioral interviews follow STAR format strictly; prepare 4–5 stories covering collaboration, technical challenge, leadership, and failure/recovery.
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