|JD-593 – [7-04-25]| – Kratin LLC | Multiple Positions

Roles and Responsibilities of Java Developer

1. Designing and Developing Java Applications
Writing Code: Writing clean, efficient, and well-documented Java code based on project requirements.
Application Design: Designing software solutions by creating models and architectures for the application.
Frameworks: Working with popular Java frameworks (Spring, Hibernate, etc.) to build scalable and maintainable applications.
2. Analyzing and Optimizing Performance
Performance Tuning: Identifying performance bottlenecks and optimizing the code and system for better performance.
Memory Management: Efficiently managing memory allocation and garbage collection within Java applications.
3. Testing and Debugging
Unit Testing: Writing and running unit tests to ensure code quality and functionality.
Debugging: Troubleshooting, debugging, and resolving issues in the application code.
Test Automation: Developing automated test cases to ensure software stability and reduce manual testing efforts.
4. Database Management
Database Integration: Working with databases (SQL, NoSQL) to design, implement, and manage data storage.
ORM Tools: Utilizing Object-Relational Mapping (ORM) tools like Hibernate to simplify database interactions.

Skills Required for Java Developer

• Java Programming Language : Deep understanding of Java fundamentals such as syntax, data structures, algorithms, and object-oriented programming (OOP) principles (inheritance, polymorphism, abstraction, and encapsulation).

• Java Standard Edition (SE) : Proficiency in core Java APIs, such as collections framework, concurrency, I/O, and networking.

• Java Enterprise Edition (EE): Familiarity with Java EE for enterprise-level applications (Servlets, JSP, EJB, JMS, JPA).

• Exception Handling: Mastery of handling errors and exceptions using Java’s try-catch blocks and custom exception classes.

• Multithreading & Concurrency: Knowledge of Java’s concurrency model and the ability to write multithreaded applications.

• Memory Management and Garbage Collection: Understanding of how Java handles memory and garbage collection for efficient resource utilization.
  Frameworks and Tools

• Spring Framework: Familiarity with the Spring framework, including Spring Boot for building stand-alone, production-grade applications, Spring MVC, and Spring Data.

• Hibernate: Knowledge of ORM (Object-Relational Mapping) concepts with tools like Hibernate to manage database interactions.

Roles and Responsibilities of React Developer

1. UI/UX Development
Building User Interfaces: Developing responsive, reusable, and maintainable UI components using React.js.
Component-based Architecture: Building applications using a component-based architecture to ensure modular, scalable, and easy-to-manage code.
Optimizing Performance: Ensuring that the UI components are optimized for performance, particularly for loading times and responsiveness across different devices and screen sizes.
2. Collaboration with Designers
Working with Designers: Collaborating closely with UI/UX designers to turn wireframes, prototypes, and visual designs into functional React components.
Implementing Design Guidelines: Ensuring the final product follows design guidelines, maintaining consistency in look and feel.
3. State Management
State Management: Managing and controlling the application’s state using state management tools like React’s built-in useState, useReducer, or libraries like Redux, Context API, or MobX.
Data Flow: Managing the flow of data between components and ensuring the UI is synchronized with the state of the application.

Skills Required for React Developer

React Core: Expertise in React.js, understanding core concepts like components, JSX, props, state, hooks, context API, and lifecycle methods.
React Hooks: Mastery of React hooks (useState, useEffect, useContext, useReducer, etc.) for managing component state and side effects in functional components.
Functional and Class Components : Understanding the differences and use cases for functional and class components in React.
ES6 Features: Strong knowledge of JavaScript ES6+ features, such as arrow functions, destructuring, promises, async/await, modules, spread/rest operators, and template literals.
Asynchronous JavaScript: Proficiency in handling asynchronous operations with JavaScript, including APIs, promises, and async/await.Proficiency in React