Java Back-end Developer

Woongjin, Inc•Plano, TX

16h•$85,000 - $95,000

About The Position

WOONGJIN, Inc. is seeking an experienced Java Back-end Developer to design, develop, and maintain robust, scalable back-end solutions using Java and related technologies. The developer will work with cross-functional teams to deliver high-quality software solutions that meet business needs. The role includes building Java back-end applications, services, and APIs; writing efficient, reusable, documented code; implementing and optimizing Oracle databases; developing and consuming RESTful services; and using Spring modules such as Spring Boot and Spring Batch. The developer will also manage dependencies and builds with Maven, collaborate through Git, and test and debug back-end components. The position requires a bachelor's degree in a related field and at least five years of Java back-end development experience. Additional qualifications include experience with application servers, continuous integration, automated testing, authentication and authorization, and SOAP services. Preferred qualifications include experience with other databases, CI/CD pipelines, and software design practices and patterns.

Requirements

Bachelor's degree in Computer Science, Engineering, or a related field.
At least 5 years of experience in Java back-end development.
Proficiency in Java and related frameworks, including Spring, Spring Boot, and 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.

Nice To Haves

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.

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 integration with external systems.
Use the Spring framework and modules such as Spring Boot and Spring Batch to build enterprise-level applications.
Manage project dependencies and build processes using Maven.
Use 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.