Sr. Backend Java Developer

1 yr Contract Full-time, On-site Pay Rate: $8,836.67/mo DOE We are seeking an experienced Java Back-end Developer to join our team. The ideal candidate will be responsible for designing, developing, and maintaining robust and scalable back-end solutions using Java and related technologies. This Senior Developer will work closely with cross-functional teams to deliver high-quality software solutions that meet our business needs. Job Description • Design, develop and maintain high quality, production grade and secure RESTful web services and APIs using Java and Spring Framework, while modeling best practices for reliability, testability and operational excellence. • Work with Spring Framework modules, including Spring Core, Spring MVC, Spring Security, Spring Data, Spring JDBC, and Spring Batch. • Implement database integration using MyBatis, JDBC, Hibernate/JPA, and Oracle SQL. • Implement caching mechanisms to improve application performance and scalability. • Handle data serialization and deserialization using JSON, XML, Jackson, and other serialization frameworks. • Develop and maintain API documentation using SpringFox and Swagger/OpenAPI. • Implement real-time communication and integrations using WebSocket. • Understand CDN integration, caching strategies, and content delivery optimization. • Deploy, configure, monitor, and troubleshoot applications on Apache Tomcat and Oracle WebLogic. • Implement application security using OAuth 2.0, JWT, SSO, and SSL/TLS. • Develop unit and integration tests and participate in code reviews. • Work with Maven, Git/GitHub, Jenkins, and CI/CD pipelines. • Integrate and apply AI techniques (LLMs, AI assisted development tools etc.) to improve software engineering workflows, developer productivity and operational efficiency. • Participate in production support, performance tuning, debugging, and root-cause analysis. • Share your passion for staying on top of tech trends, experimenting and learning new technologies, and mentoring other members of our Engineering team. Qualifications • Bachelor's degree in Computer Science, Engineering, or a related field. • 5 Plus years of experience in Java back-end development. • Proficiency in Java programming language and related frameworks (e.g., Spring, Spring Boot, Spring Batch). • Strong understanding of object-oriented programming principles, data structures, and algorithms. • Experience with Oracle SQL and database design principles. • Proficiency in RESTful web services and API development. • Experience with build tools such as Maven. • Knowledge of version control systems, particularly Git. • Strong knowledge of application servers such as Tomcat and WebLogic. • Experience with continuous integration tools such as Jenkins. • Familiarity with automated testing frameworks such as JUnit. • Understanding of authentication and authorization mechanisms, including OAuth. • Knowledge of SOAP web services and related technologies. • Strong problem-solving skills and attention to detail. • Excellent communication and collaboration skills. • Ability to work effectively in a fast-paced, agile environment. • Self-motivated, eager to learn, and willing to take on new challenges while actively contributing to team goals. Preferred Qualifications • Experience with other databases such as MySQL, PostgreSQL, or MongoDB. • Familiarity with continuous integration/continuous deployment (CI/CD) pipelines. • Understanding of software development best practices and design patterns. • Experience with Python. Additional Information