Senior Java Developer - Remote API & Migration Expert

Technix LLC; Green Mountain (NC); Remote; USD 120,000 - 160,000; Full time

Job summary

The State of North Carolina seeks a Senior Java Developer to support the SDWIS system and migrate toward DW-SFITES. This remote, 12-month engagement emphasizes advanced Java work and API-driven integration with EPA platforms.

Responsibilities include operational support, data conversion, and system redevelopment to enable migration milestones, with collaboration across EPA personnel and project leads.

Qualifications

• 5+ years designing, developing, and maintaining enterprise Java apps.
• 5+ years with complex SQL queries, performance tuning.
• 5+ years creating, consuming, and modifying APIs for system integration.
• 5+ years migrating legacy apps to new platforms.
• 5+ years working across requirements, design, development, testing, and deployment.
• 5+ years supporting live applications, troubleshooting defects, and resolving critical issues under time constraints.

Responsibilities

• Provide day-to-day operational support for the SDWIS application, including troubleshooting, defect resolution, and performance monitoring.
• Support and contribute to the technical migration effort from SDWIS to DW-SFITES, including data conversion, application redevelopment, and system integration activities.
• Design, develop, modify, and maintain Java-based application code in accordance with EPA standards and project requirements.
• Develop, consume, and modify APIs to support integration between SDWIS, DW-SFITES, and related external systems.
• Write, optimize, and troubleshoot advanced Oracle database queries, procedures, and data structures supporting application functionality.
• Collaborate with project stakeholders, technical leads, and EPA personnel to ensure continuity of operations and successful delivery of migration milestones.
• Document technical processes, system changes, and development activities to support knowledge transfer and continuity.
• Troubleshoot and resolve complex technical issues across the application stack, applying strong analytical and problem-solving skills.

Skills

Advanced Java

Oracle database

APIs integration

Tools

GitHub Copilot

ChatGPT

Claude

Job description

The State of North Carolina seeks a Senior Java Developer to support the SDWIS system and migrate toward DW-SFITES. This remote, 12-month engagement emphasizes advanced Java work and API-driven integration with EPA platforms.

Responsibilities include operational support, data conversion, and system redevelopment to enable migration milestones, with collaboration across EPA personnel and project leads.