Core Java

Key Responsibilities:

1. Core Java Development:

• Develop and maintain

  high-performance Java applications

  and services using

  Core Java

  and

  J2EE

  technologies.
• Write clean, reusable, and efficient code adhering to best practices and design patterns.
• Implement

  multithreading

  ,

  concurrency

  , and

  asynchronous programming

  to build scalable and high-performance solutions.
• Work with frameworks like

  Spring

  ,

  Spring Boot

  , and

  Hibernate

  to implement business logic and enhance application functionality.

1. Database Integration:

• Design, implement, and optimize database queries and interactions using

  JDBC

  ,

  ORM (Hibernate)

  , or

  JPA

  .
• Collaborate with database administrators and other developers to design optimal

  SQL queries

  and ensure data integrity.
• Integrate and maintain

  relational databases

  (e.g.,

  MySQL

  ,

  PostgreSQL

  ,

  Oracle

  ) or

  NoSQL databases

  (e.g.,

  MongoDB

  ).

1. Application Optimization and Troubleshooting:

• Perform

  code profiling

  ,

  performance tuning

  , and

  debugging

  to ensure applications run efficiently.
• Analyze and troubleshoot

  production issues

  , bugs, and system failures, providing

  timely fixes

  and preventive measures.
• Conduct

  unit testing

  ,

  integration testing

  , and ensure code quality through

  code reviews

  .

1. API Development and Integration:

• Design and implement

  RESTful APIs

  to connect frontend applications with backend services.
• Ensure proper integration of

  third-party APIs

  and services to enhance application features and functionality.
• Use

  JSON

  ,

  XML

  , and other data formats for API communication.

1. Agile Development & Collaboration:

• Participate in

  Agile Scrum

  ceremonies including daily stand-ups, sprint planning, and retrospectives.
• Collaborate with cross-functional teams including front-end developers, QA engineers, and business analysts to design and implement features.
• Contribute to

  continuous integration

  and

  continuous deployment

  (CI/CD) pipelines and

  DevOps

  practices.

1. Code Quality & Documentation:

• Follow

  coding standards

  and best practices to write clean, maintainable, and testable code.
• Write detailed

  technical documentation

  for code, APIs, and system configurations.
• Participate in regular

  code reviews

  , ensuring quality and consistency across the team.

1. Security and Compliance:

• Implement

  security best practices

  in application development, including

  input validation

  ,

  authentication

  , and

  authorization

  .
• Ensure applications comply with relevant

  industry standards

  and regulatory requirements.

1. Learning & Innovation:

• Stay up-to-date with

  latest trends

  and technologies in the

  Java ecosystem

  and

  software development

  .
• Continuously improve your skills and share knowledge with the team, encouraging innovation and best practices.

Required Qualifications:

• 2-5 years

  of experience in

  Core Java

  development.
• Proficiency in

  Java 8

  or newer features, including

  Streams

  ,

  Lambda Expressions

  , and

  Collectors

  .
• Strong knowledge of

  OOP (Object-Oriented Programming)

  concepts and design patterns like

  Singleton

  ,

  Factory

  ,

  Observer

  , etc.
• Experience working with

  Spring Framework

  (

  Spring Boot

  ,

  Spring MVC

  ,

  Spring Security

  ) and

  Hibernate

  or

  JPA

  .
• Solid understanding of

  multithreading

  and

  concurrency

  concepts in Java.
• Experience with

  SQL

  and

  relational databases

  (e.g.,

  MySQL

  ,

  PostgreSQL

  ,

  Oracle

  ).
• Knowledge of

  RESTful API

  development, including

  JSON

  and

  XML

  communication.
• Familiarity with version control tools like

  Git

  and

  SVN

  .
• Experience with

  unit testing

  frameworks (e.g.,

  JUnit

  ,

  Mockito

  ).
• Strong problem-solving skills and debugging abilities.
• Excellent communication and collaboration skills.