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Job Title: Full Stack SaaS Developer – Emergency Management PlatformLocation: Remote (India Preferred) | Full-time Company: Rexus Group Product: RexusOps360™ – Enterprise Emergency & Operations Management PlatformAbout the RoleRexus Group is seeking a skilled Full Stack SaaS Developer to join our product team building RexusOps360™, our flagship enterprise emergency and operations management system designed for large utilities and government agencies.You’ll play a key role in the design, development, and deployment of a highly scalable, secure, and integration-heavy SaaS product using modern web technologies and cloud platforms.Key ResponsibilitiesDesign and develop scalable web applications using React.js, Node.js, and PostgreSQL/PostGISIntegrate with external systems including Esri ArcGIS, SCADA APIs, Microsoft Entra ID (Azure AD), GPS/IoT devices, and weather APIsBuild and maintain GIS-based dashboards, alert systems, and asset tracking featuresDevelop APIs and backend services with RESTful and event-driven architectureWork with DevOps to deploy applications on AWS GovCloud / Azure using Docker and KubernetesEnsure robust security, SAML-based authentication, and user role managementParticipate in Agile development cycles, code reviews, and documentationRequired Skills4–6 years of experience in full stack development of SaaS/web applicationsStrong proficiency in:React.js, Redux, Tailwind or Material UINode.js or Python Flask/FastAPIPostgreSQL, PostGIS, and API integrationsExperience with Esri ArcGIS, OpenLayers, or similar GIS toolsHands-on with Docker, Kubernetes, CI/CD pipelinesFamiliarity with Azure or AWS cloud servicesExperience with OAuth2/SAML authentication (e.g., Microsoft Entra ID)Nice to HavePrior experience in utility or emergency management systemsExposure to sensor integrations (SCADA, IoT)Experience in building multi-tenant SaaS platformsUnderstanding of secure development for public sector systems (GovCloud, FedRAMP, etc.)Why Join RexusWork on a mission-critical product for public infrastructure and emergency responseCollaborate with a globally distributed engineering and solutioning teamFlexibility to work remotelyOpportunity to contribute to a fast-growing, product-oriented innovation group within Rexus