Sr. Application Developer I (II)

PJM Interconnection

Audubon, PA

Full Time

Posted September 9, 2026

$123k - $175k· Est.

Grid Infrastructure

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Listing evidence and provenance

Source: workday View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed September 29, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Grid Infrastructure
Pay provenance: Estimated benchmark; not employer-provided

Job Description

The Application Architecture team is transforming the way web applications are developed at PJM.

Key Responsibilities

Understand the development needs of the business units and establish a positive, service-oriented relationship by ensuring timely and accurate delivery of application services and systems.
Learn the business – develop a solid understanding of the business functions and processes and implement solutions based on that understanding and communicate this understanding across the teams.
Establish and maintain high client satisfaction levels.
Document, track and resolve problems to support client and core business systems.
Responsible for technical deliverables associated with application code development, including requirements documentation, functional design documents and specifications, work estimates, detailed technical design documentation, application code and associated documentation, including documentation to fulfill audit requirements.
Determine (Sr./Lead) and document technical requirements for application systems, including system, module and unit design, unit test plans and test cases.
Support all phases of the software development lifecycle, including Requirements Gathering, Analysis, Design, Testing, Implementation, and Production support for PJM software systems.
Develop, debug and test computer applications based on user requirements documentation, and on input from subject matter experts.
Leads (Sr./Lead) or participates in code reviews.
Participate as a member of a cross-functional Scrum team.
Debug, remediate and enhance existing computer applications based on documented variances and enhancement requests, and with guidance from subject matter experts.
Follow the approved methodology for application systems development and maintenance.
Respond, as necessary, to support calls in off-hours in order to support 24X7 applications.
Assist business clients and product teams in integrating systems from external vendors.
Identify enhancements to application development standards and best practices.
Build and develop strong relationships with ITS' business clients by providing superior customer support as demonstrated by clearly owning, resolving and communicating issues and problems, and being responsive to needs, requirements, and deadlines.
Leverages expertise in enterprise integration patterns with SOA-based ESBs to develop or extend legacy system integration with the PJM SOA Architecture.
Supports the operation of a continuous integration environment, including development of automated test cases (unit and function).