Java Developer
Infosys Bengaluru East, Karnataka, India
Job Description
"Embark on a rewarding career as a Java Developer at Infosys, where you'll leverage your expertise in Core Java and Python to design and develop scalable applications that drive business growth."
As a Java Developer at Infosys, you'll be part of a dynamic team that collaborates with cross-functional teams to deliver high-quality software solutions. With a strong focus on application development, APIs, and microservices, you'll play a key role in shaping the future of technology.
In this role, you'll have the opportunity to work on diverse projects, from designing and developing scalable applications to integrating backend systems and optimizing performance. Your expertise in Core Java and Python will be put to the test as you push the boundaries of innovation and excellence.
Why you should learn this:
The demand for skilled Java Developers is on the rise, with the global market expected to grow by 13% by 2025.
Expected Salary: $80,000 - $140,000 per annum, depending on experience and location.
How it works:
- Step 1: Collaborate with cross-functional teams to understand business requirements and design scalable applications.
- Step 2: Develop and maintain high-quality code using Core Java and Python, adhering to SDLC processes and best practices.
Core Concepts to Master
Object-Oriented Programming (OOP) Concepts
Understand the principles of OOP, including encapsulation, inheritance, polymorphism, and abstraction, to design and develop robust and maintainable software systems.
APIs and Microservices Architecture
Learn to design and develop RESTful APIs and microservices using Core Java and Python, ensuring high performance, scalability, and security.
Database Integration and Performance Optimization
Understand how to integrate databases with Java and Python applications, and optimize performance using techniques such as caching, indexing, and query optimization.
SDLC Processes and Best Practices
Familiarize yourself with Agile and Waterfall methodologies, and understand best practices for coding, testing, debugging, and version control.
Interview Questions (Beginner)
- What is the difference between Core Java and Java SE?
- How do you handle exceptions in Java?
- What is the purpose of the 'this' keyword in Java?
Job Overview
Advance Questions
- • Can you explain the concept of dependency injection in Java?
- • How do you optimize database performance using indexing and caching?
- • What is the difference between a HashMap and a TreeMap in Java?