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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Application Developer - ServiceNow - **Company:** WSSC Water - **Location:** Laurel, MD, United States - **Experience:** Expert - **Salary:** $108,233.0 - $184,288.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Computer-Aided Design, Application Programming Interfaces (APIs), Agile Methodology, Cascading Style Sheets (CSS), Configuration Management, Data Migration, Software Debugging, Software Design Patterns, Systems Analysis, Integrated Development Environments, Systems Development Life Cycle, ServiceNow Application Engine, Simple Object Access Protocol (SOAP), Systems Integration, Web Services, Extensible Markup Language (XML), Scripting, Enterprise Software Applications, Client Side Scripting, ReactJS, SOAPAPI, AngularJS, Web Technologies, Restful APIs, ServiceNow Customer Service Management, Legacy Systems, Servicenow - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ece33dc8672603a7 ## About the Role * Excellent ServiceNow platform development and configuration skills * Strong communication skills with ability to document and troubleshoot problems and communicate with business and technical personnel at all levels * Strong analytical and organizational skills; Ability to manage multiple tasks simultaneously * Ability to handle various ServiceNow applications and modules configuration and administration * Knowledge of JavaScript, Glide API, Business Rules, UI Policies, Client Scripts, and other ServiceNow scripting languages * Knowledge of ServiceNow modules (e.g., ITSM, ITOM, CSM, WSD, SPM) * Knowledge of web technologies including HTML, CSS, XML, and REST/SOAP APIs for integration * Knowledge of an integrated development environment (IDE) for ServiceNow development (e.g., ServiceNow Studio) * Knowledge of Service Portal development using AngularJS, React, or other relevant frameworks * Knowledge of ServiceNow workflows, Flow Designer, and IntegrationHub Minimum Education, Experience Requirements * Bachelor's degree * 6+ years' experience in ServiceNow development and administration using: + ServiceNow platform development and configuration + JavaScript and ServiceNow APIs + Web Service integrations (SOAP or REST frameworks) o ServiceNow Certified Application Developer (CAD) OR * High School diploma or equivalent. * 10+ years' experience in ServiceNow development and administration using: + ServiceNow platform development and configuration. + JavaScript and ServiceNow APIs. + Web Service integrations (SOAP or REST frameworks). o ServiceNow Certified Application Developer (CAD) ## Description The Sr. Application Developer - ServiceNow is responsible for designing, developing, configuring, and maintaining applications and solutions on the ServiceNow platform to support the organization's day-to-day IT Service Management (ITSM), IT Operations Management (ITOM), Customer Service Management (CSM), Workplace Service Delivery (WSD), Strategic Portfolio Management (SPM), and other business operations. Specific duties include developing and customizing ServiceNow modules, creating integrations with other enterprise systems, systems analysis, developing and modifying highly complex platform functionalities and workflows, testing, debugging, verification, documentation, system installation, and the solution of IT service and business problems. Essential Functions * Develops and maintains ServiceNow applications and modules * Migrates Legacy IT service applications and workflows to the ServiceNow platform * Develops and customizes Service Portal interfaces * Provides operational support for existing ServiceNow and integrated applications * Analyzes, designs, codes, tests, debugs, documents, and maintains ServiceNow applications and enhancements * Develops and adheres to standard SDLC and Agile methodologies to produce project results that are measurable and delivered on time and within budget * Develops and adheres to team project standards for ServiceNow development including tools, platforms, methodology, and controls to ensure efficiency, quality, and consistency * Prepares detailed software specifications and test plans for ServiceNow solutions * Performs quality assurance reviews of ServiceNow configurations and code * Provides program and system level time/cost estimates for ServiceNow projects * Evaluates and modifies various ServiceNow Store applications and integrations to obtain optimal configuration for the enterprise environment * Provides technical documentation updated to the latest enhancement or release of ServiceNow solutions * Assists in reviewing the current technical architecture, including design patterns and development methodologies within the ServiceNow ecosystem Other Functions * Assists with defining and meeting business requirements on the ServiceNow platform * Serves as project leader for small ServiceNow initiatives * Works with various business units and other IT units for their ServiceNow configuration/development needs * Provides guidance to less experienced ServiceNow developers and administrators * Works with legacy systems for data migration and integration with ServiceNow * Effectively reports on ServiceNow application development and performance * Performs other duties as required ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Strategies to accelerate SaaS Application Development](https://www.wearedevelopers.com/videos/1078-strategies-to-accelerate-saas-application-development) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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