OPENSOURCE PTE. LTD.

Roles & Responsibilities Business Unit: Application Architecture & Engineering – Digital Platforms Practice Location: Singapore (Hybrid / Client-Facing) Role Overview: The ServiceNow Developer will be responsible for designing, developing, implementing, and maintaining solutions on the ServiceNow platform, with a focus on App Engine, custom applications, and workflow automation. The role requires hands-on experience in scripting, UI development, integrations, security configuration, and platform governance to deliver scalable enterprise solutions. Primary Responsibilities • Design, develop, and maintain ServiceNow custom applications and workflows aligned to business and architectural requirements. • Develop applications using ServiceNow App Engine, including: • Data model creation • Access control rules (ACL) • Business logic and server/client-side scripting • UI form and layout design • Build and maintain Service Portal components including custom widgets, AngularJS, Bootstrap, HTML/CSS. • Design and implement integrations using REST/SOAP, including secure authentication (OAuth, SAML) and data parsing (JSON, XML). • Configure and manage MID Server for secure on-premises integrations. • Build workflow automation using Flow Designer, Integration Hub, and reusable subflows. • Develop UI experiences using Now Experience UI Builder and manage table relationships using Table Builder. • Apply ServiceNow security model, RBAC, scoped application permissions, and governance best practices. • Participate in sprint planning, code reviews, testing cycles, and release deployments. • Create and maintain technical documentation and knowledgebase materials. • Mentor junior developers and support platform administrators when required. Technical Skills Required • Strong proficiency with ServiceNow scripting: • JavaScript, Business Rules, Client Scripts, Script Includes • UI Policies, UI Actions, UI Scripts • Hands-on experience with: • App Engine Studio, App Engine Templates, scoped app development • Service Portal development with AngularJS, Bootstrap, HTML/CSS • Experience in: • Integrations via REST/SOAP • Authentication (OAuth / SAML) • JSON and XML payload handling • Experience configuring and leveraging MID Server for secure hybrid connectivity. • Proficiency in Flow Designer and Integration Hub for automation. • Familiarity with ITIL / ITSM concepts and enterprise service management practices. • Experience using Now Experience UI Builder and custom component configuration. • Understanding of: • ServiceNow security & RBAC models • Cross-scope access control • Governance and deployment pipelines for App Engine apps. Additional Requirements • ServiceNow certifications highly preferred: • ServiceNow Administrator (CSA) • ServiceNow Application Developer (CAD) • ServiceNow Implementation Specialist (any stream) • Experience working in Agile delivery environments. • Proficiency with version control tools (e.g., Git). • Strong problem-solving, debugging, and analytical skills. • Effective communication skills for stakeholder engagement and documentation. Key Responsibilities (Leadership & Delivery Alignment) • Lead or contribute to technical design discussions ensuring alignment with enterprise architecture standards. • Develop and support reusable frameworks, integration patterns, and governance guidelines. • Ensure code quality, performance optimization, and adherence to best practices. • Troubleshoot and resolve complex issues across environments. • Support release planning, migration, and production deployment activities. Experience Level • Minimum 5+ years of hands-on ServiceNow development experience. • Minimum 3+ years experience developing applications with ServiceNow App Engine. • Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent experience. • Demonstrated track record delivering ServiceNow solutions in enterprise environments. Tell employers what skills you have DesignerJSONAnalytical SkillsService ManagementAngularJSScriptingJavaScriptUIInformation TechnologyAccess ControlITILServiceNowDebuggingTechnical Design