GMS Applications Developer - RIOO

Overview

At ERCOT, our diverse and dynamic work environment empowers employees to build the future of the Texas power grid and wholesale market using the latest technologies and resources. We invite talented, dedicated professionals to develop world‑class solutions for today’s and tomorrow’s energy challenges, learn new skills, and grow their careers. ERCOT is committed to fostering inclusion at all levels, basing our corporate values on accountability, leadership, innovation, trust, and expertise.

An inclusive and diverse workforce strengthens us and creates a collaborative environment to solve industry challenges.

• Design, develop, test, document, and maintain full‑stack web‑based applications for ERCOT’s Grid & Market Solutions (GMS), including the Resource Integration and Ongoing Operations (RIOO) system and Net Dependable Capability & Reactive Capability (NDCRC) applications.
• Adhere to the Software Development Life Cycle (SDLC), performing testing and validation of applications to deliver high‑quality software to customers.
• Collaborate closely with customers, business area subject matter experts, internal technical teams, and project management to design, develop, and maintain complex solutions that support market needs and corporate requirements.
• Use source control tools such as Atlassian Bitbucket, manage code through CI/CD pipelines (Jenkins, Maven), and automate development processes.
• Conduct requirement, design, and architecture reviews; produce design specifications that comply with ERCOT architectural standards and blueprints.
• Analyze, troubleshoot, and resolve application issues, perform root‑cause analysis, and deliver effective solutions.
• Write and maintain technical documentation, product user manuals, and support documentation.
• Participate in manual and automated unit, regression, and integration testing; promote coding standards, best practices, and design patterns.
• Leverage AI tools such as Git Hub Copilot, GPT, and Claude to accelerate development, testing, and code quality.
• Work with data pipelines and data sets using Airflow and Databricks, and analyze third‑party software security vulnerabilities to implement security patches.
• Provide technical guidance and mentoring to team members, and serve as a subject‑matter expert for complex business problems.
• Participate in project planning, coordination, and delivery across all phases of application development.

• Minimum 5 years of related experience for Senior Level Engineer or 8 years for Lead Level Engineer.
• Proficiency in Java (17+), Spring Boot/Spring MVC; front‑end skills in Angular (v12+) or React;
  Type Script, JavaScript, HTML5, CSS3/SASS.
• Experience with Python, shell scripting, and data pipelines (Databricks, Airflow).
• Knowledge of relational databases (Oracle, PostgreSQL, MySQL) and No
  
  SQL (MongoDB, Cassandra).
• RESTful API design, JSON, OpenAPI/Swagger documentation.
• Tools:
  Git (Git Hub/Bitbucket), Maven, IDEs (IntelliJ, VSCode); deployment via Ansible; containerization with Docker.
• Cloud experience with Azure or AWS.
• Experience with messaging services such as Tibco JMS, AMQ, Kafka, and CIM/XML model‑based tools.
• Power industry knowledge in grid and market arena, preferably with software vendors or ISO/utilities.
• AI and ML fundamentals, PyTorch/Tensor Flow, LLMs, prompt engineering, and RAG architecture/frameworks.
• Strong written and verbal communication skills.
• Ability to mentor and lead technical direction within the GMS Technology Development team.

• Required:
  
  Bachelor’s Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field.
• Preferred:
  Master’s Degree in one of the same fields or equivalent education and experience.

• Site:
  Taylor, TX – employees required on‑site at least two days per week.
• Remote work permitted from a Texas residence; employees may choose to work on‑site more or 100% of the time.
• Scheduling is flexible and may be rotated based on business needs.

Expected salary range: $145,000 – $200,000, based on experience and qualifications.

ERCOT offers an excellent benefits package that includes health, dental, vision, life insurance, long‑term and short‑term disability insurance, long‑term care insurance, Section
125 Flexible Spending Account, and a retirement savings plan. Full‑time employees become eligible for benefits starting the first of the month following hire, and a 401(k) plan is available.

ERCOT is firmly committed to equal employment for all qualified persons without regard to race, sex, medical condition, religion, age, creed, national origin, citizenship status, marital status, sexual orientation, physical or mental disability, ancestry, veteran status, genetic information, or any other protected category under federal, state or local law.