Hexaware Software Developer Interview: Rounds, Questions and Preparation

What the job involves

Software Developers in Indian IT services build, test, and maintain custom software for client projects across domains like banking, insurance, healthcare, and retail. Freshers typically join as trainees, learn the company's delivery processes, and work in teams on coding, bug fixes, and module development under a tech lead. The role demands strong fundamentals, adaptability to different technologies, and clear communication with onsite and offshore teams.

Role and Technical Knowledge

1. 1

   Explain the difference between procedural and object-oriented programming with an example relevant to a client project.

   Cover key OOP principles like encapsulation, inheritance, and polymorphism, and contrast with procedural code. Use a simple example like a banking system to show maintainability and reuse.

2. 2

   What is the Software Development Life Cycle (SDLC) and which model would you prefer for a project with changing requirements?

   Describe phases from requirement gathering to maintenance. Mention Agile or Iterative models for changing requirements, highlighting flexibility and client feedback.

3. 3

   How would you write a SQL query to find the second highest salary from an Employee table?

   Show a subquery or window function approach. Explain the logic step by step and mention handling duplicate salaries.

4. 4

   What are the key differences between a stack and a queue? Give a scenario where each is used in a software application.

   Explain LIFO vs FIFO. For stack, mention undo functionality or function call management; for queue, mention task scheduling or print spooling.

Practical Scenarios

1. 5

   You are assigned a bug in a legacy codebase you have never seen. How do you approach fixing it?

   Outline steps: reproduce the bug, read logs, understand the code flow, use debugging tools, make minimal changes, and test thoroughly. Mention asking senior for context if needed.

2. 6

   Your client wants a new feature added urgently, but it will delay other planned work. How do you handle this?

   Discuss prioritization with the project manager, assessing impact and effort. Suggest a phased delivery or temporary workaround while keeping the client informed.

3. 7

   How would you test a login module you just developed before handing it over to the QA team?

   Cover unit testing for valid and invalid inputs, boundary cases like empty fields, SQL injection checks, and session handling. Mention writing test cases and documenting results.

4. 8

   You need to integrate a third-party payment gateway into an application. What steps would you follow?

   Talk about reading API documentation, setting up sandbox credentials, handling success and failure callbacks, securing keys, and testing with mock transactions.

Behavioural and Teamwork

1. 9

   Describe a time when you had to learn a new technology quickly for a college project. How did you manage?

   Use STAR format: situation, task, action, result. Highlight self-learning, online resources, and how you applied it to deliver the project on time.

2. 10

   Give an example of a conflict within your project team and how you resolved it.

   Focus on active listening, finding common ground, and keeping project goals primary. Avoid blaming others; show maturity and resolution.

3. 11

   How do you handle feedback or criticism on your code from a senior developer?

   Show openness to learning, asking clarifying questions, and implementing suggestions. Mention that code reviews are opportunities to improve quality.

4. 12

   Tell me about a time you missed a deadline. What did you learn?

   Be honest about the reason without making excuses. Emphasize lessons learned like better estimation, early communication, and time management.

HR and Company Fit

1. 13

   Why do you want to join the IT services sector, and what do you know about our company's work?

   Research the company's services, clients, and values. Connect your interest to learning diverse technologies and working on real-world client projects.

2. 14

   Are you willing to relocate to any city or work in shifts based on project requirements?

   Be flexible and positive. Mention adaptability and willingness to prioritize project needs, as Indian IT services often require this.

3. 15

   Where do you see yourself in three years within this role?

   Show ambition to grow technically, take ownership of modules, and contribute to team success. Avoid saying you want to leave the company or switch domains.

4. 16

   How do you handle working under pressure when multiple tasks are assigned at once?

   Discuss prioritization using urgency and importance, breaking tasks into smaller steps, and communicating with leads. Give a brief example from college.