Senior Java Software Engineer

A-Line Staffing Solutions
Lansing, Michigan, United StatesFull-time$114,000–$124,800Posted Aug 27, 2026

About the role

Java / React Developer

Location: Lansing, MI

Pay Rate: $55–$60/hour on W-2

Position Overview

We are seeking an experienced Java / React Developer to support the development and maintenance of enterprise applications. This is a hands-on full-stack development role working within an Agile team to design, develop, test, and deploy modern business applications.

The position requires a strong Java/Spring backend background combined with hands-on React.js experience. The developer will also work closely with UI/UX resources to build responsive, accessible user interfaces.

Key Responsibilities

Design, develop, test, deploy, and maintain complex enterprise applications.

Develop backend applications and services using Java 8, Spring Framework, JPA, and Hibernate.

Build modern, responsive frontend applications using React.js.

Collaborate with UI/UX teams to translate designs and requirements into functional interfaces.

Develop and maintain applications within a JBoss Enterprise environment.

Work with Oracle databases, including Oracle 12c and 19c.

Participate in Agile planning, development, testing, code reviews, and deployment activities.

Collaborate with project managers, application owners, technical leads, and other developers.

Troubleshoot application issues and implement reliable solutions.

Develop clean, maintainable code aligned with established development standards.

Support application enhancements and ongoing maintenance activities.

Contribute to testing and quality assurance throughout the development lifecycle.

Work independently while contributing effectively within a collaborative development team.

Required Qualifications

7+ years of experience programming complex systems using Java and development tools such as Eclipse or JBoss Developer Studio.

4+ years of Java 8 development experience.

5+ years of experience with the Spring Framework.

5+ years of JPA/Hibernate development experience.

5+ years working within Agile development environments.

4+ years working with Oracle 12c and/or Oracle 19c.

4+ years of React.js development experience building responsive user interfaces.

4+ years of development experience within a JBoss Enterprise environment.

Strong full-stack application development and troubleshooting skills.

Strong written and verbal communication skills.

Ability to work independently, learn quickly, and collaborate effectively across technical teams.

Preferred Qualifications

Frontend development experience with WCAG 2.1 or higher accessibility standards.

4+ years of experience with JUnit.

Experience with Tiles.

4+ years of experience with reporting technologies such as JasperReports.

Experience supporting large-scale enterprise applications.

Responsibilities

  • Design, develop, test, deploy, and maintain complex enterprise applications.
  • Develop backend applications and services using Java 8, Spring Framework, JPA, and Hibernate.
  • Build modern, responsive frontend applications using React.js.
  • Collaborate with UI/UX teams to translate designs and requirements into functional interfaces.
  • Develop and maintain applications within a JBoss Enterprise environment.
  • Work with Oracle databases, including Oracle 12c and 19c.
  • Participate in Agile planning, development, testing, code reviews, and deployment activities.
  • Collaborate with project managers, application owners, technical leads, and other developers.

Qualifications

  • 7+ years of experience programming complex systems using Java and development tools such as Eclipse or JBoss Developer Studio.
  • 4+ years of Java 8 development experience.
  • 5+ years of experience with the Spring Framework.
  • 5+ years of JPA/Hibernate development experience.
  • 5+ years working within Agile development environments.
  • 4+ years working with Oracle 12c and/or Oracle 19c.
  • 4+ years of React.js development experience building responsive user interfaces.
  • 4+ years of development experience within a JBoss Enterprise environment.

Skills mentioned

JavaReactBackend DevelopmentFrontend DevelopmentOracle DatabaseSQLJUnitWeb AccessibilityDebuggingSoftware Testing

About A-Line Staffing Solutions

A-Line Staffing Solutions is a premier staffing company that supplies professionals to the Healthcare, Insurance, Pharmaceutical, and Information Technology industries. Founded in 2004, A-Line Staffing Solutions has been a leader in matching talented individuals to the jobs that our clients NEED to fill. We are experts at offering creative staffing solutions to employers, and we are hiring every day. A-Line Staffing can offer short-term, long-term and direct-hire opportunities to professionals across the United States. We hire only the most qualified and talented individuals in the country. Our recruiting, selection and stringent screening processes have strengthened our reputation for delivering quality customer service and unbeatable talent. For our commissioned clients, A-Line Staffing closely follows the standards and practices established by The Joint Commission. For all of our clients and employees, our commitment to continual improvement combined with a strict code of ethics provides an atmosphere of respect and unparalleled professionalism. To find out how A-Line Staffing Solutions can share our talent with you, please contact us today. We are eager to include you among our most valued and satisfied clients. If you are a professional and would like to learn more about open opportunities in your area, please contact us today. We are always searching for talented and enthusiastic professionals.

Staffing and Recruiting501-1,000 employeesUtica, MI