Principal Software Engineer, Full Stack

Capsa Healthcare builds technology that supports pharmacy automation and healthcare workflows. The company is seeking a Principal Software Engineer, Full Stack to serve as the technical authority for next-generation pharmacy software, influencing architecture across cloud-native microservices, event-driven systems, and customer-facing applications.

Responsibilities:

• The technical authority behind Capsa’s next-generation pharmacy software, influencing architecture across cloud-native microservices, event-driven systems, and customer facing applications
• Designing, scaling, and troubleshooting production microservices with proven success in low-latency, high-throughput concurrent processing environments
• Extensive hands-on experience with React.js, React Native, TypeScript, Redux Toolkit, Redux-Saga, REST API integration, responsive UI development, testing (Jest/React Testing Library), and browser-based performance and debugging tools
• Experience building multi-tenant SaaS platforms using AWS, Kubernetes, containerization, infrastructure as code, CI/CD, OpenTelemetry, security best practices (including HIPAA considerations), and the ability to effectively leverage AI coding tools while communicating technical trade-offs to business and executive stakeholders
• Communicating technical trade-offs to business and executive stakeholders
• Join us and see how we’re engineering a path to better care
• Your work will directly support caregivers, improve clinical workflows, and help healthcare organizations provide better patient outcomes

Requirements:

• • Expert-level proficiency in .NET and C#, modern asynchronous programming, and designing, scaling, and troubleshooting production microservices with proven success in low-latency, high-throughput concurrent processing environments
• • Strong production experience with Kafka (or similar event-streaming platforms), MassTransit, sagas/state machines, and deep understanding of messaging patterns including delivery guarantees, ordering, idempotency, deduplication, backpressure, transactional outbox, and dead-letter handling
• • Extensive hands-on experience with React.js, React Native, TypeScript, Redux Toolkit, Redux-Saga, REST API integration, responsive UI development, testing (Jest/React Testing Library), and browser-based performance and debugging tools
• • Experience building multi-tenant SaaS platforms using AWS, Kubernetes, containerization, infrastructure as code, CI/CD, OpenTelemetry, security best practices (including HIPAA considerations), and the ability to effectively leverage AI coding tools while communicating technical trade-offs to business and executive stakeholders
• • A bachelor's degree in engineering or related field
• • 12+ years software engineering experience
• • 5+ years building distributed, real-time, or high-throughput systems
• • A bachelor's degree in engineering or related field; a master's degree is a plus