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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # ServiceNow Senior Developer - **Company:** Guidehouse Inc. - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $130,000.0 - $216,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Automation of Tests, Code Review, System Configuration, Continuous Integration, Custom Software, DevOps, Performance Tuning, Systems Integration, Enterprise Application Integration, Scripting, Client Side Scripting, SOAPAPI, Material UI, Information Technology, Servicenow - **Published:** July 14, 2026 - **Apply:** https://guidehouse.wd1.myworkdayjobs.com/External/job/US---VA-McLean/ServiceNow-Senior-Developer_41352 ## About the Role * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience. * A MINIMUM of FIVE (5) years of professional experience, with at least FOUR (4) years of hands-on ServiceNow development experience. * Strong experience developing on the ServiceNow platform in a senior developer or similar technical role. * Hands-on knowledge of ServiceNow modules, scripting, automation, workflows, integrations, and platform configuration. * Proficiency with JavaScript and other relevant ServiceNow development tools and technologies. * Experience analyzing requirements, designing technical solutions, and delivering high-quality implementations. * Strong problem-solving, communication, and collaboration skills. * Ability to work effectively in a team environment and support multiple priorities in a fast-paced setting. * Location: Washington DC/Metro area highly preferred due to client location - up to 25% travel to Guidehouse or client office. What Would Be Nice To Have: * ServiceNow certifications such as Certified Application Developer, Certified System Administrator, or other relevant platform certifications. * Experience with integrations using REST/SOAP APIs, MID Server, or other enterprise integration patterns. * Knowledge of Service Portal, Flow Designer, IntegrationHub, or other advanced ServiceNow capabilities. * Experience with Agile delivery practices, DevOps, CI/CD, or automated testing approaches. * Prior experience supporting enterprise-scale ServiceNow implementations in a large organization. ## Description * Design, develop, configure, and maintain ServiceNow solutions that support enterprise IT service management and platform capabilities. * Develop and enhance custom applications, workflows, integrations, UI components, business rules, client scripts, and automation within the ServiceNow platform. * Partner with technical and business stakeholders to gather requirements, translate needs into technical solutions, and deliver scalable platform improvements. * Support ServiceNow platform administration activities including incident resolution, problem analysis, troubleshooting, and performance optimization. * Collaborate with cross-functional teams to implement best practices, ensure solution quality, and maintain alignment with team and enterprise standards. * Participate in code reviews, testing, deployment activities, and ongoing support of ServiceNow releases and enhancements. ## Related Videos - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [JavaScript? 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