Full Stack Java Developer

System One is hiring a Full Stack Java Developer to help build and support mission-critical, external-facing training applications for the capital markets industry. This hybrid role in Lafayette, Louisiana gives you the chance to work across the full stack, contribute to user-facing UI components, and support production stability for applications used by lenders and trainers.

What you will work on

• Support development, enhancements, testing, and production stability for mission-critical, external-facing training applications used in capital markets
• Contribute to frontend development, backend services, automated testing, AWS cloud environments, and production support within a team of experienced full stack engineers
• Collaborate on building user-facing UI components for external training applications
• Develop and support backend Java services, including integrations, workflows, and data processing
• Create and maintain automated tests across both frontend and backend layers
• Validate user stories end-to-end to ensure comprehensive quality coverage for new features and fixes
• Participate in GitHub branching, pull requests, and code reviews as part of collaborative development
• Support deployment, cloud optimization, scalability, and reliability of applications running on AWS
• Troubleshoot UI, backend services, and AWS infrastructure issues
• Provide production support for a high-impact capital markets application
• Use GitHub Copilot to enhance development productivity and code quality when appropriate

What you bring

• Strong hands-on experience with Java backend development
• Proficiency with Angular and frontend application development
• Practical experience working with AWS cloud services and environments
• Experience supporting external-facing web applications
• Background in automated testing across UI and backend applications
• Ability to validate user stories and troubleshoot full stack issues
• Experience with GitHub, including pull requests, branching, and code reviews
• Strong collaboration skills in an agile, team-based environment
• Experience supporting business-critical applications; capital markets experience is preferred
• GitHub Copilot experience is a plus
• Bachelor’s degree in computer science, Information Systems, Engineering, or a related field

Benefits

• Eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, and voluntary plans
• Participation in a 401(k) plan

Technologies: Java, Angular, AWS, GitHub, GitHub Copilot, GitHub branching, pull requests, code reviews