About the job

Carrier is a leading provider of heating, ventilating, air conditioning and refrigeration systems, and building controls and automation. Our Digital Products and Software team builds connected residential experiences that rely on secure, scalable cloud services and resilient device-to-cloud integrations. 

The Infinity platform is the cloud backbone for the Residential software ecosystem. It supports backend services, API and event-driven integrations, connected-device workflows, and operational capabilities that power mobile apps, portals, and other digital products across the platform. 

This role is remote in the US only. Must be a permanent US Resident, sponsorship is not available.

Role Summary 

We are seeking a Senior Engineer, Backend / Cloud to help design, build, and scale the Infinity platform. This role is ideal for an engineer who is strong in cloud-native backend systems, Kubernetes-based runtime environments, and IoT-connected architectures, and who can operate effectively at the center of multiple product experiences. 

This is a hands-on senior individual contributor role. The engineer in this position will be expected to lead technical execution in complex areas, strengthen platform reliability and observability, and act as a key daytime escalation point during U.S. business hours. 

Key Responsibilities 

• Design, build, and maintain cloud-native backend services that support residential applications, device integrations, and platform capabilities. 

• Develop scalable APIs, asynchronous workflows, and service integrations using modern backend technologies. 

• Contribute to architecture decisions across microservices, event-driven systems, Kubernetes-based runtime environments, and cloud infrastructure. 

• Support and improve device-to-cloud flows involving AWS IoT Core and related platform services. 

• Improve reliability, scalability, observability, and operational readiness across the Infinity platform. 

• Partner with mobile, web, product, QA, and platform teams to enable high-quality end-to-end delivery. 

• Troubleshoot production issues, lead root-cause analysis, and help implement durable fixes and long-term remediation. 

• Contribute to CI/CD, infrastructure automation, release engineering, and secure software delivery practices. 

• Identify technical risks early and help shape implementation plans and proof-of-concepts for new capabilities. 

Required Qualifications 

• Bachelor’s degree in Computer Science, Engineering, or a Hard Science (Physical, Life, or Applied Science). 

• 7+ years of software engineering experience, including 4+ years building backend or cloud-native systems in production. 

• 3+ years of hands-on experience with Kubernetes. 

• 2+ years of hands-on experience with Cloud IoT Services (AWS, Azure, GCP IoT) and IaC tooling (e.g., Terraform, Pulumi, or AWS CDK). 

Preferred Qualifications 

• Experience with IoT, telemetry, edge-to-cloud integrations, or device command and state workflows. 

• Experience with API gateways, backend-for-frontend patterns, or service mesh-based architectures. 

• Familiarity with Kafka or other event-streaming technologies. 

• Familiarity with observability tooling, incident response, and operational excellence practices. 

• Experience using AI-assisted development tools such as Cursor, Claude, Kiro, or similar tools to accelerate coding, debugging, testing, and delivery. 

• Experience working in multi-team platform environments serving both internal and external consumers. 

• Familiarity with authentication and authorization patterns for cloud-native systems. 

• Role will operate on EST Hours (8am-5pm)