IBM is hiring Fresher candidates for SOFTWARE DEVELOPER ROLE. The details of the job, requirements and other information given below:
IBM IS HIRING : SOFTWARE DEVELOPER
- Qualification : Bachelor’s Degree in Computer Science, related field, or comparable extra work experience
- 2021/2022/2023/2024 Batches can apply
- Solid experience with SQL and relation databases
- Solid experience with Object Oriented Design and Development
- Experience Developing API Interfaces
- Experience with version control systems, preferably Git
- Experience writing and debugging C code
- Location: BANGALORE, Karnataka, India
Don’t miss out, CLICK HERE (to app ly before the link expires)
Interview Questions & Detailed Answers
1. Tell us about your experience with PHP and object-oriented programming.
Answer:
Yes, I have worked with PHP in developing backend systems. I follow object-oriented principles like creating classes, objects, inheritance, and encapsulation to keep my code organized and reusable. For example, in one of my college projects, I built a hotel booking system where I used OOP to separate the booking logic, user authentication, and payment modules. This made the application easy to update and debug later.
2. What is an API, and what experience do you have with REST or SOAP?
Answer:
An API (Application Programming Interface) allows different software applications to talk to each other.
I’ve mostly worked with REST APIs, which are lightweight and use standard HTTP methods like GET, POST, PUT, and DELETE. In one of my projects, I created a REST API using PHP to handle user data for a mobile app. The API allowed the app to fetch and send data to the server securely and quickly.
SOAP is more complex and uses XML. I understand it and can work with it if required, especially when working with enterprise systems.
3. How do you manage databases in your projects?
Answer:
I mainly use SQL databases like MySQL or PostgreSQL. I write queries to insert, update, delete, and fetch data. I also know how to design normalized database schemas to avoid data duplication. In one project, I created a database for an e-commerce site, which included tables for products, users, and orders, with proper relationships and indexes for faster queries.
I also have basic knowledge of NoSQL databases like Redis and Memcached for caching, which helps improve performance in high-traffic applications.
4. What version control systems have you used?
Answer:
I use Git for version control. It helps me track changes, work with branches, and collaborate with others. I often push my code to GitHub, create pull requests, and resolve conflicts during merges. In a team project, we used Git to manage code across multiple developers and avoided code duplication or overwrites by following best practices.
5. Have you worked with C programming language?
Answer:
Yes, I have a solid understanding of C. I’ve used it to build small utilities and understand how memory management works. I’ve written programs involving arrays, pointers, and file handling. Although I haven’t used C in a large-scale system yet, I am confident I can write and debug C code with the help of tools like GDB.
6. What is your experience with container technologies like Docker and Kubernetes?
Answer:
I have basic experience with Docker. I’ve used it to containerize web apps, which made them easier to deploy on any system without worrying about environment differences. For example, I created a Dockerfile for a PHP and MySQL project and ran it using Docker Compose.
I have also learned about Kubernetes through online courses. I understand how it helps manage containers, scale applications, and perform health checks, although I haven’t deployed a real-world app with Kubernetes yet.
7. What is object-oriented programming and why is it useful?
Answer:
Object-Oriented Programming (OOP) is a programming style that organizes code using “objects,” which are instances of classes. It includes concepts like inheritance, encapsulation, polymorphism, and abstraction.
OOP is useful because it helps write reusable, maintainable, and clean code. For example, in my hotel booking project, I used classes for different components like Booking, Customer, and Rooms. This helped me modify features later without changing the entire code.
8. How would you troubleshoot a bug in production code?
Answer:
First, I try to understand what the bug is and how to reproduce it. I look into the logs, error messages, and user behavior. Then I isolate the section of code causing the issue. I use debugging tools or insert logs to track variable values.
Once I find the problem, I fix it in a development environment, test it properly, and then deploy the change with version control. After that, I monitor the system to make sure the issue doesn’t happen again.
9. How do you ensure your code is secure?
Answer:
I follow best practices like:
Validating and sanitizing user input to avoid SQL injection.
Using prepared statements in SQL queries.
Avoiding hard-coded passwords or API keys.
Using HTTPS and secure authentication methods.
I also keep my libraries and dependencies up to date and check them for vulnerabilities using tools like Composer Audit or npm audit.
10. Do you prefer working alone or in a team? Why?
Answer:
I enjoy working in a team because I get to learn from others and share ideas. It helps solve problems faster and keeps me motivated. At the same time, I am also comfortable working independently and managing my tasks. I believe good communication and understanding the team’s goals are key to successful collaboration.
Additional Tips for Interview:
Know the basics of PHP, C, REST APIs, and Git.
Show practical examples from your projects, internships, or college work.
Practice coding on Some platforms
Prepare to explain your thought process clearly and how you solve problems.
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