Java Back-end Developer

Company Description For More Open Positions Visit us at: Our Mission WOONGJIN, Inc. is a rapidly growing team who provides a range of unique, exceptional, and enhanced services to our clients. We have a strong moral code that includes the service of goodness without expectations of reward. We are motivated by the sense of responsibility and servant leadership. Benefits Medical Insurance Vision Insurance Dental Insurance 401(k) Paid Sick hours Job Description 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. The Back-end Developer will work closely with cross-functional teams to deliver high-quality software solutions that meet our business needs. Responsibilities: Design, develop, and maintain Java-based back-end applications, services, and APIs. Write efficient, reusable, and well-documented code following industry best practices and coding standards. Collaborate with front-end developers, product managers, and other stakeholders to understand requirements and translate them into technical solutions. Implement and maintain database schemas, write complex SQL queries, and optimize database performance using Oracle SQL. Develop and consume RESTful web services to enable seamless integration with external systems. Utilize Spring framework and its various modules (e.g., Spring Boot, Spring Batch) for building enterprise-level applications. Manage project dependencies and build processes using Maven. Work with version control systems such as Git for code management and collaboration. Perform unit testing, integration testing, and debugging to ensure the quality and reliability of back-end components. Stay updated on emerging technologies, trends, and best practices in back-end development. Qualifications Bachelor's degree in Computer Science, Engineering, or a related field. 5 + 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. Familiarity with RESTful web services and API development. Experience with build tools such as Maven. Knowledge of version control systems, particularly Git. Strong problem-solving skills and attention to detail. Excellent communication and collaboration skills. Ability to work effectively in a fast-paced, agile environment. 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. 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. Additional Information All your information will be kept confidential according to EEO guidelines.

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