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Sr. Software Engineer II

Louisville, KY💼 Full-time🗓 2026-04-15 → 2026-09-26

Core

Design, develop, test, deploy, and maintain robust and scalable software applications and services on the Waystar Claims platform for healthcare revenue cycle solutions.

Role type

Senior IC Software Engineer (.NET microservices)

Builds

Cloud-native healthcare revenue cycle applications and services

Domain

Healthcare / Enterprise Software

Deliverable

production ML models | product features

Required skills

C#, .NET (8 and Framework), SQL Server, Microservices, RabbitMQ, Docker, Kubernetes, Helm, Git, CI/CD, TDD, Unit/Integration/E2E Testing, Observability (Splunk), X12 EDI, HL7/FHIR

Preferred skills

Redis, Snowflake, Big Query, Healthcare IT standards

Technologies

C#, .NET, SQL Server, RabbitMQ, Docker, Kubernetes, Helm, Splunk, Redis, Snowflake, Big Query, Azure DevOps, Git, GitHub

Responsibilities

Design and build scalable microservices; write clean, efficient, documented code; participate in code reviews; troubleshoot and debug complex issues; develop and maintain automated tests; monitor application performance; contribute to architectural design; mentor junior engineers.

Seniority

Senior, hands-on IC

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