Full Stack Java Developer

• Support development, enhancement, testing, and production stability of mission-critical, external-facing training applications used by lenders and trainers in the capital markets industry
• 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, integrations, workflows, and data processing
• Create and maintain automated tests across frontend and backend layers
• Validate user stories from end-to-end to ensure comprehensive quality coverage for new features and fixes
• Participate in GitHub branching, pull requests, code reviews, and collaborative development
• Support application deployment, cloud optimization, scalability, and reliability in AWS
• Troubleshoot UI, backend services, and AWS infrastructure issues
• Provide production support for a high-impact capital markets application
• Utilize GitHub Copilot to enhance development productivity and code quality when appropriate

• 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, 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

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.