Job Description

As an NRG employee, we encourage you to take charge of your career and development journey. We invite you to explore exciting opportunities across our businesses. You’ll find that our dynamic work environment provides variety and challenge. Your growth is key to our ongoing success—take the lead in shaping your career development, goals and future!

We are seeking a skilled Market and Supply Systems Developer to support and enhance our market-facing applications, with a focus on ERCOT and PJM systems. This contract-to-hire role involves developing and maintaining software solutions that interact with Independent System Operators (ISOs), leveraging APIs and portals to ensure seamless data exchange and operational efficiency.

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Key Responsibilities

• Design, develop, and maintain applications supporting market operations, primarily for ERCOT and PJM.

• Integrate with ISO APIs and portals to automate data retrieval, submission, and reporting.

• Provide ongoing support and troubleshooting for existing market-facing systems.

• Collaborate with internal teams to gather requirements and deliver robust technical solutions.

• Monitor system performance and implement enhancements for reliability and scalability.

• Stay informed of ISO updates and ensure system compliance with evolving standards.

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Required Skills & Qualifications

• Strong proficiency in Java and Spring Framework for backend development.

• Experience with PL/SQL and Oracle databases for data management and reporting.

• Hands-on experience with ColdFusion for legacy system support and integration.

• Familiarity with ISO protocols and data exchange mechanisms (ERCOT, PJM).

• Experience working with APIs and web portals in a production environment.

• Solid understanding of software development lifecycle and best practices.

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Preferred Qualifications

• Experience with energy trading or ETRM systems.

• Knowledge of ISO market rules and data structures.

• Exposure to DevOps tools and CI/CD pipelines.

NRG Energy is committed to a drug and alcohol-free workplace. To the extent permitted by law and any applicable collective bargaining agreement, employees are subject to periodic random drug testing, and post-accident and reasonable suspicion drug and alcohol testing. EOE AA M/F/Vet/Disability. Level, Title and/or Salary may be adjusted based on the applicant's experience or skills.

Official description on file with Talent.