Job Location: Remote (Houston, TX-based preferred) Position Summary 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. ________________________________________ 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. ________________________________________ 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. ________________________________________ 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. ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.