Principal Engineer, loT & Device Messaging

Principal EngineerAt 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.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.Why Join Capsa?When you join Capsa Healthcare, you're joining a team dedicated to innovation, collaboration, and meaningful impact. Your work will directly support caregivers, improve clinical workflows, and help healthcare organizations provide better patient outcomes.We are a global organization that values work-life balance, continuous improvement, and empowering employees to do their best work. If you're looking for an opportunity to apply your expertise to technology that truly makes a difference, we'd love to hear from you.As the Principal Engineer, you will need experience with the following:Deep .NET / C# Distributed Systems ExpertiseExpert-level C# and.NETAsync programmingPerformance tuningMicroservices architectureIoT / Connected Device Platform ExperienceDevice identity and provisioningDevice twins/shadow stateFleet managementTelemetry pipelinesOTA (over-the-air) configuration and firmware updatesHandling intermittent connectivityMessaging, Guaranteed Delivery & Reliability ArchitecturegRPCMQTTAt-least-once deliveryIdempotencyDeduplicationTransactional outboxRetry logicDead-letter queuesPartitioning and orderingReconciliationKubernetes, SaaS Platform Architecture & OperationsMulti-tenant SaaSContainersKubernetesInfrastructure as CodeCI/CDOpenTelemetrySLOs/ObservabilitySecurity for Connected Devices and Distributed SystemsDevice identityCertificate authenticationMutual TLSOAuth 2.0 / OpenID ConnectService-to-service authorizationMQTT access controlSecrets managementThreat modelingWhat We're Looking ForA bachelor's degree in engineering or related field; master's degree is a plus12+ years software engineering experience5+ years building distributed, real-time, or high-throughput systemsWhat Capsa OffersAt Capsa Healthcare, we recognize that great people drive with great results. That's why we offer a competitive compensation and benefits package designed to support you professionally and personally, including:Competitive salary commensurate with experiencePaid time offPaid holidaysMedical, dental, and vision coveragePaid parental leave401(k) with company matchCompany-paid Life, AD&D, and Long-Term Disability insuranceVoluntary Short-Term Disability, Supplemental Life, AD&D, Accidental Injury, and Hospital Indemnity insuranceJoin Us in Engineering Better Care. If you're excited about using your engineering expertise to create innovative technologies that support healthcare professionals and improve patient outcomes, we invite you to apply and help us shape the future of healthcare.EEO/Vet/Disabled