Senior ServiceNow Workflow/App Developer

We're looking for a Senior ServiceNow developer. A global ServiceNow solutions provider is developing its own ServiceNow workflows and apps to be published in the ServiceNow app-store. Their innovation lead is doing this on his own, but is in need of a senior developer to support ---------- pending on your availability, this could be a part-time (20 hours/week) or full-time (40 hours/week) role.

Must-have:
- Senior (3-5 years) experience in ServiceNow workflow and/or app development
- Can design and build workflows or apps based on business requirements.
- Understanding of ITIL / ITSM models
- Near-fluent in English
- Values quality code, security, maintainability & performance
- Pragmatic and pro-active attitude, self-starter

Nice-to-have:
- Experience with ITAM is appreciated, but not required