Senior ServiceNow ITSM Developer – Part-Time / Remote (+ Hanau)

Project overview

For our international client, we are looking for an experienced ServiceNow ITSM Developer (m/f/d) to support technical realization of development and configuration services within the ServiceNow platform.

In this role, you will independently take responsibility for technically and functionally distinct service areas based on the provided requirements. As an expert, you will select the technical implementation methods, adhering to the client's specifications regarding architecture, security, development, and documentation.

Your Tasks & Scope of Services

• ServiceNow Configuration and Platform Development
• Implementation and customization of ServiceNow ITSM configurations using existing platform functionalities (Incident, Problem, Change, Request, Service Catalog, Configuration, Asset Management, Knowledge Management).
• Creation and customization of workflows using ServiceNow Flow Designer.
• Development and configuration of Business Rules, Script Includes, Client Scripts, UI Policies, UI Actions, and Access Controls (ACLs).
• Technical implementation of defined requirements within existing ServiceNow instances.
• Service Catalog
• Creation and configuration of Catalog Items.
• Configuration of Variables and Variable Sets.
• Development of catalog-related client logic.
• Creation and configuration of fulfillment workflows.
• Configuration Management Database (CMDB)
• Creation and customization of CMDB classes and CI attributes.
• Implementation and configuration of Identification and Reconciliation rules.
• Creation of technical mechanisms to ensure data quality within the CMDB.
• Integrations and Interfaces
• Development and configuration of interfaces between ServiceNow and defined third-party systems.
• Implementation of integrations using IntegrationHub, REST interfaces, and Scripted APIs.
• Implementation of automated data exchange and synchronization processes.
• Process Automation
• Configuration and implementation of automated ITSM processes.
• Implementation of task controls, notification workflows, approval processes, and routing rules.
• Development of automated processes for handling user, group, and configuration data.
• Quality Assurance, Deployment & Documentation
• Execution and documentation of technical functional tests and error analyses (Root Cause Analysis).
• Execution of regression tests for own developments and correction of errors from test and acceptance cycles.
• Assessment of the impact of planned changes on existing configurations, integrations, data, CMDB, security, performance, and upgradeability.
• Participation in technical reviews and implementation of resulting adjustments before deployment.
• Packaging and deployment of all development and configuration artifacts for the target environment.
• Creation and handover of comprehensive technical documentation (system configurations, design decisions, technical dependencies) that enable the client to operate independently and facilitate functional further development.

Requirements

Contact

Do you currently have available capacity (approx. 15–20 hrs./week) and does the profile match your qualifications?

Then we look forward to your feedback, stating your current hourly rate (all-in / remote), your CV in Word or PDF format, and your availability.

• Experience: Several years of practical experience in development and configuration within ServiceNow ITSM in complex enterprise environments.
• Module Knowledge: Profound detailed knowledge in Incident, Problem, Change, Request, Service Catalog, and CMDB.
• Development Competence: In-depth practical experience in development with ServiceNow JavaScript, Flow Designer, and platform-specific components (Business Rules, Script Includes, Client Scripts, ACLs).
• Integration & CMDB: Practical experience in building/further developing CMDB structures and connecting third-party systems via IntegrationHub, REST APIs, or comparable interface technologies.
• Methodology: Experience in conducting technical tests, error analyses (Root Cause Analysis), and structured technical documentation.
• Certifications: ServiceNow certifications are desirable (e.g., Certified System Administrator – CSA, Certified Application Developer – CAD).
• Bonus: Experience with additional ServiceNow modules such as ITOM or Service Portal is a plus.
• Languages: Very good English skills spoken and written (project language). German skills are advantageous.

Project details

From November

3 months (with a high probability of extension)

15 – 20 hours per week (approx. 30 – 40 hours per 2-week sprint)

Remote (with occasional on-site appointments in Hanau (near Frankfurt am Main))

Languages: English (Very good / C1 spoken and written – mandatory), German (advantageous)

• Start: 2026-11
• Duration: 3 Monate
• Remote: hybrid
• Location: Hanau, Deutschland, DE
• Languages: German