Key Responsibilities:
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.
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).
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.
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.
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.
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.
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.
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.
