Job Summary GMS Application Developer: Develops design and performs software development for suite of Wholesale Electric Market Applications and Web-based User Interfaces. The suite includes Market Management Systems (MMS) applications such as Day-Ahead Market (DAM), Reliability Unit Commitment (RUC), Ancillary Service Market, Security Constraint Economics Dispatch (SCED), CIM Importer, Market Submissions, APIs, MMS database Interfaces, Market Simulator, Outage Scheduler (OS), User Interfaces (UI) and Congestion Revenue Rights (CRR) Applications. Adhere to software development life cycle (SDLC) processes that includes performing testing and validation of Market Applications and User Interface changes to deliver quality software to customers. This position will report to the Supervisor/Manager of Grid & Market Solutions (GMS) Technology Development - Markets & UI team.
JOB DUTIES
- Broadly applies principles, theories and concepts related to the profession. A seasoned, experienced professional with an in-depth/full understanding of area of specialization.
- May provide recommendations regarding issues outside the bounds of defined procedures and practices. Demonstrates good judgment in selecting methods and techniques for obtaining solutions.
- Wide latitude for decisions within assignments, programs and projects; impact is generally limited to the project or department.
- Acts as a resource to advise, and may at times a lead the work of lower level professional and/or support employees. Generally represents the department on projects and may perform in a project leadership role.
ADDITIONAL JOB DUTIES
GMS Application Developer-Markets & UI
Level 1
Works under the direction of a senior developers or supervisor/manager to complete departmental goals and assignments.
Performs all work according to applicable rules and regulations including regulatory requirements and organization policies and procedures.
Good Knowledge on core power systems operations and control functions like power flow studies, state estimation, contingency analysis, economic dispatch, Unit Commitment, and electric market operations.
Works with internal stake holders closely, review and understand market applications functional and non-functional requirements.
Develops design and performs software development (using Fortran, C/C++, Java, Perl, Python etc. programming languages) and testing for suite of market applications and its interfaces.
Design, develop and test market applications backend oracle database changes using Oracle PL/SQL programming language.
Participates in requirements and design review discussions with market system vendors (Hitachi Energy and Resource Innovations) and ensure quality software is delivered by vendors.
Merge vendor developed market applications software changes with internal developed changes, build, deploy, and test merged software in development environments.
Develops and manages source code using Atlassian Bitbucket source code control tool.
Adheres to software development life cycle (SDLC) standards for all the software changes within portfolio.
Understands and follows market applications software release process to deliver software changes to customers seamlessly. Adheres to change management processes during software release delivery.
Participates in interdepartmental meetings and present software design and implementation details.
Level 2 - Above +
Good Knowledge on Linear and Non-Linear Optimization techniques and understand market applications (MMS & CRR) optimization objective functions formulation.
Works with Network Modeling team on CIM Model data modeling to meet market applications CIM model related requirements.
Test and identify issues in MMS & CRR network applications modules (Topology Processing, Power flow, contingency analysis) and Optimization related modules software changes delivered by vendors.
Analyze, troubleshoot, identify root cause of market applications, database and system issues, and develop solutions.
Provide timely software solutions to address market applications critical production issues on 24x7 basis as level 2 support team.
Automates software development processes using Continuous Integration and Continuous Delivery (CI/CD) tools such as Bitbucket, Apache Maven/Jenkins etc.
Designs, develops, and tests web-based user interface (UI) for market applications, its interfacing systems and control room situational awareness tools using latest front-end technologies (Java Script/HTML/CSS/React/Angular etc.).
Designs and develops enhancements to market systems integration layers using Messaging Queues like Tibco JMS, AMQ.
Creates and gives presentations for training on GMS market applications enhancements.
Represents GMS Technology Development department at interdepartmental meetings.
Level 3 - Above +
Designs and develops market applications optimization solvers CPLEX/AMPL models to incorporate various constraints.
Works with vendors on market applications and its interfaces improvements and proposes design changes.
Performs code reviews and approve code changes developed by other developers.
Automates market applications and user interfaces unit and regression testing as much as possible by developing scripts and using third party automation tools such as SOAP UI, Selenium.
Provides advice and guidance to ERCOT Grid and market Operations regarding GMS market applications, processes, and tools.
Ensures that GMS market and UI products and solutions comply with the organization's architectural standards. Employs in the full systems development life cycle in projects and work processes. May provide on-the-job training or oversee the work of other developers.
Works with Market Participants, ERCOT representatives, and vendors to drive and deliver solutions for the ERCOT Electricity Market's needs.
Represents ERCOT at market participant meetings.
Electric Reliability Council of Texas
Texas United States
www.ercot.com
