Sr. ServiceNow Developer - CSM

System One, Inc.; Reston (VA); Hybrid; USD 95,000 - 135,000; Full time

Job summary

System One, Inc. seeks a Senior ServiceNow Developer specializing in Customer Service Management (CSM) to design, develop, and enhance enterprise ServiceNow applications. The role focuses on customer-facing solutions, Service Portals, integrations, and custom workflows within a large, complex ServiceNow environment.

Hybrid work in Reston, VA, on a 9-month contract. The candidate will mentor junior developers, drive best practices, and collaborate with product owners, architects, and stakeholders

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
• 5+ years of ServiceNow Development experience.
• 2+ years of hands-on experience with the ServiceNow CSM module.
• Strong experience with JavaScript and ServiceNow platform development.
• Experience with UI Builder and Service Portal development.
• Experience building integrations using REST APIs, web services, and ServiceNow Integration capabilities.
• ServiceNow CAD certification required.
• ServiceNow CSA certification required.
• Strong understanding of Agile/Scrum methodologies and SDLC processes.

Responsibilities

• Design, develop, and enhance ServiceNow CSM applications and Service Portals.
• Build custom solutions using JavaScript, UI Builder, Playbooks, Business Rules, Client Scripts, and other ServiceNow tools.
• Develop and support integrations between ServiceNow modules and external systems via REST and web services.
• Collaborate with Product Owners, Architects, Scrum Masters, and stakeholders to deliver scalable solutions.
• Perform design, coding, testing, troubleshooting, deployment, and ongoing support.
• Participate in Agile ceremonies, sprint planning, and architecture discussions.
• Mentor junior developers and contribute to development best practices.

Skills

JavaScript/ServiceNow

Agile/Scrum

UI Builder

Service Portal

Education

Bachelor's degree in Computer Science/IT or related

Tools

ServiceNow Platform

REST APIs

UI Builder

Job description

Senior ServiceNow Developer (CSM)

Location: Reston, VA (Hybrid)

Duration: 9-Month Contract

Employment Type: W2

Compensation: $83.33

Overview

We are seeking a Senior ServiceNow Developer with strong experience in Customer Service Management (CSM) to support the development and enhancement of enterprise ServiceNow applications. This role focuses on building and improving customer-facing solutions, Service Portals, integrations, and custom workflows within a complex ServiceNow environment serving large-scale user communities.

Key Responsibilities

• Design, develop, and enhance ServiceNow CSM applications and Service Portals.
• Build custom solutions using JavaScript, UI Builder, Playbooks, Business Rules, Client Scripts, and other ServiceNow platform tools.
• Develop and support integrations between ServiceNow modules and external systems using APIs and web services.
• Collaborate with Product Owners, Architects, Scrum Masters, and business stakeholders to deliver scalable solutions.
• Perform application design, coding, testing, troubleshooting, deployment, and ongoing support.
• Participate in Agile ceremonies, sprint planning, and architecture discussions.
• Mentor junior developers and contribute to development best practices.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
• 5+ years of ServiceNow Development experience.
• 2+ years of hands‑on experience with the ServiceNow Customer Service Management (CSM) module.
• Strong experience with JavaScript and ServiceNow platform development.
• Experience with UI Builder and Service Portal development.
• Experience building integrations using REST APIs, web services, and ServiceNow Integration capabilities.
• ServiceNow Certified Application Developer (CAD) certification required.
• ServiceNow Certified System Administrator (CSA) certification required.
• Strong understanding of Agile/Scrum methodologies and SDLC processes.

Preferred Qualifications

• Healthcare industry experience.
• ServiceNow Integration Hub experience.
• ServiceNow Spoke development experience.
• Experience integrating CSM with ITSM.
• Prior background as a Full Stack or Java Developer.

Additional Information

Hybrid schedule with onsite attendance required for planning sessions, collaboration days, and final interview.

Candidates located in the DMV area are strongly preferred.

This is a hands‑on development role and is not a ServiceNow Administrator position.

Ref: #851-Rockville-S1

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full‑time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.