Senior ServiceNow Developer

Job ID: 113810
Location: St Louis, Missouri  [On-Site]
Category: App/Dev
Employment Type: Contract
Date Added: 10/13/2026
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Role Summary

The Senior ServiceNow Software Engineer supports enterprise ServiceNow implementation and modernization initiatives, with a focus on infrastructure automation, platform integrations, and sustainable development practices. This role designs and delivers secure, reliable, and maintainable ServiceNow solutions while prioritizing standard platform capabilities and reducing unnecessary customization.

Responsibilities

  • Provide senior-level ServiceNow development support for new implementations and platform modernization initiatives.
  • Design and develop ServiceNow solutions using standard platform capabilities to minimize unnecessary customization.
  • Review and update workflows, field mappings, scripts, and integrations for evolving platform environments.
  • Develop, test, and support integrations between ServiceNow and Ansible for change management, incident management, service requests, and operational workflows.
  • Update automation code to align with changes to ServiceNow data models, fields, APIs, and integration requirements.
  • Collaborate with enterprise platform teams while independently delivering infrastructure automation solutions.
  • Translate operational and business requirements into scalable and maintainable ServiceNow solutions.
  • Identify opportunities to reduce technical debt, simplify existing solutions, and improve long-term platform supportability.
  • Follow established platform standards, security policies, testing requirements, and release management practices.
  • Troubleshoot and resolve complex workflow, scripting, automation, and integration issues.
  • Develop and maintain technical documentation for workflows, integrations, field mappings, configurations, and support procedures.
  • Participate in code reviews, testing, release activities, knowledge sharing, and continuous improvement initiatives.

Qualifications

  • Extensive experience designing, developing, testing, and supporting ServiceNow solutions in enterprise environments.
  • Hands-on experience with ServiceNow server-side and client-side development, workflow configuration, scripting, and integrations.
  • Experience developing and maintaining REST API integrations, web services, and webhooks.
  • Demonstrated ability to evaluate and redesign solutions using standard ServiceNow functionality to reduce unnecessary customization.
  • Experience modifying integrations, automation, and workflows in response to platform and data model changes.
  • Experience integrating ServiceNow with Ansible or comparable automation technologies.
  • Ability to collaborate effectively with centralized platform teams while independently delivering technical solutions.
  • Strong knowledge of the software development lifecycle, source control, testing, release management, and production support.
  • Strong troubleshooting, analytical, problem-solving, and technical documentation skills.
  • Strong written and verbal communication skills with the ability to collaborate with technical and non-technical stakeholders.
  • Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent relevant education and practical experience.
  • Must be authorized to work in the location where the position is based.

Publishing Pay Range: $75.00 – $81.50 Hourly

This position is based in office and requires employee to work on-site.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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