Java Developer/Programmer- Senior

Role-Java Developer/Programmer- Senior

Location - Raleigh, NC

We are seeking an experienced Java Developer with strong Oracle database expertise to support the migration from the Safe Drinking Water Information System (SDWIS) to the Drinking Water State-Federal-Tribal Information Exchange System (DW-SFITES), both EPA software programs.

The Java Developer will provide advanced technical support for the existing SDWIS application while contributing to the design, development, integration, and migration activities required for DW-SFITES. This role requires strong experience with enterprise Java applications, Oracle databases, APIs, application migration, and production support.

Key Responsibilities

• Provide day-to-day operational support for the SDWIS application, including troubleshooting, defect resolution, and performance monitoring.
• Support the migration from SDWIS to DW-SFITES, including application redevelopment, data conversion, integration, and system transition activities.
• Design, develop, modify, test, and maintain enterprise-level Java applications.
• Develop, consume, modify, and troubleshoot APIs supporting system-to-system and external application integrations.
• Develop, optimize, and troubleshoot complex Oracle SQL queries, stored procedures, and data structures.
• Perform database performance tuning and support data management activities.
• Troubleshoot complex technical issues across the application and database stack.
• Participate throughout the requirements, design, development, testing, deployment, and maintenance lifecycle.
• Support migration planning, application cutover activities, and transition to the new platform.
• Collaborate with technical leads, project stakeholders, and EPA personnel to meet project milestones and maintain continuity of operations.
• Document application changes, technical processes, troubleshooting procedures, and development activities.
• Provide timely resolution of production defects and operational issues.

Required Qualifications

• 5+ years of experience designing, building, and maintaining enterprise-level Java applications.
• 5+ years of experience with complex Oracle database development, including query development, performance tuning, and data structure design.
• 5+ years of experience creating, consuming, and modifying APIs for system-to-system integration.
• 5+ years of experience migrating legacy applications to new platforms, including data conversion and system cutover planning.
• 5+ years of experience working across the full software development lifecycle, including requirements, design, development, testing, and deployment.
• 5+ years of experience providing operational support for live/production applications, including defect diagnosis and resolution under time constraints.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to work independently while collaborating effectively with technical and business stakeholders.

Preferred Qualifications

• Experience supporting EPA or other federal/state government information systems.
• Experience with SDWIS, DW-SFITES, or similar environmental/public-sector systems.
• Experience using AI-assisted development tools, such as GitHub Copilot, ChatGPT, or Claude.
• Experience developing dashboards or reports using Power BI or Tableau.
• Strong written and verbal communication skills.
• Experience working in complex application modernization or migration projects.

Technical Environment

Primary Technologies:

• Java
• Oracle Database / SQL
• APIs / System Integration
• Enterprise Application Development
• Application Migration
• Data Conversion
• Production/Application Support

Additional Technologies:

• Power BI / Tableau
• AI-assisted development tools
• Legacy Application Modernization

Position Requirements

This position supports a federal EPA information system and requires a developer who can independently handle both production support for SDWIS and active development and migration activities for DW-SFITES.