Principal Engineer, loT & Device Messaging
About the role
At Capsa Healthcare, we're engineering better care. We build what healthcare runs on. Our pharmacy automation teams build the counting, packaging and robotic dispensing systems, and the software behind them, that pharmacies rely on to fill prescriptions at every scale, from a single retail counter to high volume central fill and mail order operations. It is engineering you can walk through. Join us and see how we're engineering a path to better care. Learn more about our solutions at www.capsahealthcare.com. We are seeking a Principal Engineer with deep IoT and distributed systems expertise to lead the architecture that connects pharmacy software with conveyors, PCLs, vision systems, divertors, and label printers. This position reports to the Senior Director of Enterprise Architecture and is a REMOTE role requiring 50% travel. Your work will directly support caregivers, improve clinical workflows, and help healthcare organizations provide better patient outcomes.
Responsibilities
- Lead the architecture that connects pharmacy software with conveyors, PCLs, vision systems, divertors, and label printers.
- Directly support caregivers, improve clinical workflows, and help healthcare organizations provide better patient outcomes.
Requirements
- Bachelor's degree in engineering or related field; master's degree is a plus
- 12+ years software engineering experience
- 5+ years building distributed, real-time, or high-throughput systems
Skills
- Deep .NET / C# Distributed Systems Expertise
- Expert-level C# and .NET Async programming
- Performance tuning
- Microservices architecture
- IoT / Connected Device Platform Experience
- Device identity and provisioning
- Device twins/shadow state
- Fleet management
- Telemetry pipelines
- OTA (over-the-air) configuration and firmware updates
- Handling intermittent connectivity
- Messaging, Guaranteed Delivery & Reliability Architecture
- gRPC
- MQTT
- At-least-once delivery
- Idempotency
- Deduplication
- Transactional outbox
- Retry logic
- Dead-letter queues
- Partitioning and ordering
- Reconciliation
- Kubernetes, SaaS Platform Architecture & Operations
- Multi-tenant SaaS
- Containers
- Kubernetes
- Infrastructure as Code
- CI/CD
- OpenTelemetry
- SLOs/Observability
- Security for Connected Devices and Distributed Systems
- Device identity
- Certificate authentication
- Mutual TLS
- OAuth 2.0 / OpenID Connect
- Service-to-service authorization
- MQTT access control
- Secrets management
- Threat modeling
Benefits
- Competitive salary commensurate with experience
- Paid time off
- Paid holidays
- Medical, dental