Senior ServiceNow Developer

StarHub Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

StarHub Ltd in Singapore seeks a Senior ServiceNow Developer to guide architectural evolution of our enterprise platform, aligning with CSDM standards and observability stack.

You will lead advanced ITOM, Discovery, Service Mapping, Now Assist deployment, and build robust integrations with IntegrationHub and REST/GraphQL, mentoring juniors. This role demands 5+ years of ServiceNow experience and CIS ITOM/ITSM knowledge, in a high-performance AI-enabled environment.

Qualifications

• 5+ years of deep technical ServiceNow experience.
• Expert in ITOM, CSM and Platform Telemetry.
• Strong JavaScript, Glide API, Flow Designer.
• Experience with AngularJS/Service Portal widget development.
• Certified Implementation Specialist in ITOM or ITSM/CSM.

Responsibilities

• Drive implementation of CSDM 4.0/5.0 across the platform.
• Own Discovery and Service Mapping strategy; implement Event Management.
• Lead deployment of Now Assist and GenAI controllers.
• Design integrations via IntegrationHub and REST/GraphQL.
• Provide architectural mentorship and code reviews.

Skills

ServiceNow

ITOM

CSM

Platform Telemetry

JavaScript

Flow Designer

Service Portal

IntegrationHub

REST/GraphQL

CIS ITOM

Job description

Position Overview

Senior ServiceNow Developer works with ServiceNow Architectto lead the technical evolution of our enterprise platform. This is not just a"maintenance" role; the practitioner needs to constantly evolve theinstance in a high-performance environments and stays ahead of the curve inAIOps and Platform Observability. The Senior ServiceNow Developer will beresponsible for ensuring our ServiceNow ecosystem is architecturally sound,aligned with CSDM standards, and integrated with a modern observability stack.

Key Responsibilities

• Architectural Alignment: Drive the implementation of CSDM 4.0/5.0 across the platform to ensure data integrity and service-centric reporting.
• Advanced ITOM & AIOps: Own the Discovery and Service Mapping strategy. Implement Event Management and AIOps patterns to move from reactive to proactive monitoring.
• Generative AI Implementation: Lead the deployment of Now Assist, focusing on custom prompt grounding and the integration of GenAI controllers to automate complex business cases.
• Custom Integration Frameworks: Design and build robust, reusable spokes and integrations via IntegrationHub and custom REST/GraphQL APIs, supporting a seamless flow between ServiceNow and external vector databases.
• Technical Mentorship: Provide high-level code reviews and architectural guidance to the junior development team, fostering a culture of "vibe coding" (high-velocity, intuitive development) backed by rigorous testing.

Required Technical Skills

• Platform Mastery: 5+ years of deep technical experience in ServiceNow (Washington DC or later).
• Specialized Knowledge: Expert-level proficiency in ITOM, CSM, and Platform Telemetry.
• Scripting & Automation: Master of JavaScript (Glide API), Flow Designer, and Service Portal (AngularJS/Widget development).
• Certifications: * Required: Certified Implementation Specialist (CIS) in ITOM (Discovery or Event Mgmt) and ITSM/CSM.