Java Full Stack Developer - Lansing, MI

Lansing,Michigan(Hybrid)Duration: Contract - 6 Months+Job Description:The Java Full Stack Developer will be responsible for providing ongoing maintenance, support, and enhancements for complex enterprise Java applications. This role plays a critical part in automating business processes, ensuring data integrity, and maintaining compliance with organizational and security standards.Key Responsibilities:

• Develop well-designed, testable, and efficient code using Java, Spring MVC, Hibernate, Angular/React, JavaScript, HTML5, XML, and jQuery.
• Design and develop RESTful Web Services using Spring Web MVC framework.
• Build enterprise applications using Object-Oriented Java/JEE technologies and design principles.
• Develop and maintain applications using frameworks such as Apache Struts and Spring Boot.
• Implement enterprise design patterns including Front Controller, DAO, Singleton, Session Façade, Intercepting Filter, and Service Locator.
• Develop database objects such as stored procedures and functions, and troubleshoot using SQL and PL/SQL scripts.
• Optimize and tune SQL queries for performance improvements.
• Build and maintain unit testing frameworks using JUnit and Spring Boot.
• Participate in the full Software Development Life Cycle (SDLC) including requirements gathering, system design, development, testing, and deployment.
• Integrate software components into fully functional enterprise systems.
• Manage source code and version control using Git and build automation using Maven.
• Deploy applications on enterprise servers such as Apache Tomcat, JBoss, WebSphere, and container environments like OpenShift.
• Develop software design documentation and collaborate with stakeholders for review and approvals.
• Create prototypes, mockups, flowcharts, and screen layouts to support application design and development.
• Work within Agile development environments and contribute to iterative product delivery.
• Develop applications using Java 17+, SOAP Web Services, and Java Messaging Service (JMS).
• Utilize frameworks such as Spring Boot, Spring Data, Spring Batch, and Spring Security.
• Apply modern development tools and AI-assisted coding practices to improve productivity and code quality.

• 5+ years of experience developing complex applications using Java/JEE technologies.
• 5+ years of experience with Spring/Spring Boot frameworks.
• 5+ years working with Java IDEs such as Eclipse or STS.
• 5+ years of experience programming in SQL and/or PL/SQL.
• 5+ years of experience with Hibernate/JPA frameworks.
• 5+ years of experience with Apache Struts framework.
• 3+ years of experience with JavaScript frameworks such as Angular or React.
• 3+ years of experience in JBOSS Enterprise SOA environments including JBOSS Workflow.
• 3+ years of experience working with CMM/CMMI Level 3 development practices.
• 2+ years of experience implementing Agile methodologies and Test-Driven Development (TDD).
• Hands-on experience with React.js, Redux, React Router, and component lifecycle.
• Experience with DevOps practices and cloud platforms such as AWS or Azure is preferred.
• Experience using AI-powered tools to accelerate development tasks such as code generation, refactoring, and documentation.

Job DescriptionFor over 16 years, Trilyon, Inc. has been a leader in global workforce solutions, specializing in Cloud Technology, AI/ML, Software Development, Technical Writing, and Digital Transformation. We partner with top companies to deliver high-quality talent in engineering, IT, and emerging technologies. For additional information or to view all of our job opportunities, please visit our website https://trilyonservices.com/careers/ We are seeking a Senior Java Developer / Programmer Analyst to join our team. This role will involve maintaining and enhancing complex enterprise Java applications, developing RESTful services, and supporting critical business systems through the full Software Development Life Cycle (SDLC). The ideal candidate will have experience in Java/JEE development, Spring Boot, database programming, and modern JavaScript frameworks, along with a passion for building scalable and secure enterprise applications.Job Title: Java Full Stack Developer Location