Software Engineer II

Waystar • Louisville, KY

2d

About The Position

ABOUT THIS POSITION Develop, test, deploy, and maintain software applications and services on the Waystar Claims platform. You will contribute to C#/.NET microservices, event-driven messaging, and SQL Server data tiers, working alongside senior engineers and architects to deliver reliable, high-quality healthcare revenue cycle solutions.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or equivalent practical experience).
• 3–5 years of professional software development experience with a track record of delivering production-quality software.
• Proficiency in C# and .NET (both .NET 8 and .NET Framework); solid understanding of the .NET ecosystem.
• Solid understanding of data structures, algorithms, and object-oriented design principles.
• Experience with SQL Server — writing queries, stored procedures, and understanding basic schema design.
• Experience working within microservices and distributed systems that use asynchronous, message-based architectures (e.g., RabbitMQ).
• Working knowledge of software development best practices including Agile methodologies, CI/CD (Azure DevOps Pipelines), and automated testing.
• Familiarity with Git-based version control and GitHub pull request workflows.
• Good problem-solving, analytical, and critical thinking skills.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams.
• Ability to manage your own tasks and priorities with guidance in a fast-paced environment.

Nice To Haves

• Experience with containerization technologies such as Docker and Kubernetes.
• Familiarity with Helm chart-based Kubernetes deployments.
• Experience with Redis for distributed caching.
• Experience with Snowflake or similar cloud data warehouse technologies.
• Familiarity with structured logging and observability tools such as Splunk.
• Knowledge of X12 EDI healthcare transaction standards (837 claim submission, 835 remittance advice, 270/271 eligibility inquiry/response).
• Knowledge of healthcare IT standards (e.g., HL7, FHIR) or prior experience in the healthcare revenue cycle industry.

Responsibilities

• Develop, test, deploy, and maintain software applications and services using C#/.NET.
• Collaborate with product owners, architects, and teammates to understand requirements and deliver well-scoped technical solutions.
• Write clean, efficient, well-documented, and maintainable code adhering to Waystar's coding standards and best practices.
• Participate in code reviews, giving and incorporating constructive feedback to maintain code quality.
• Troubleshoot and debug software issues, identifying root causes and implementing effective solutions.
• Contribute to the continuous improvement of Waystar's software development processes and tooling.
• Develop and maintain automated tests (unit and integration) to ensure software reliability and stability.
• Monitor application behavior using Splunk and other observability tools; surface and escalate performance concerns.
• Stay current with emerging technologies and industry trends, applying new approaches within your area of work.
• Participate in technical design discussions for new features, contributing implementation-level insights.

Benefits

• Competitive total rewards (base salary + bonus, if applicable)
• Customizable benefits package (3 medical plans with Health Saving Account company match)
• We offer generous paid time off for our non-exempt team members, starting with 3 weeks + 13 paid holidays, including 2 personal floating holidays. We also offer flexible time off for our exempt team members + 13 paid holidays
• Paid parental leave (including maternity + paternity leave)
• Education assistance opportunities and free LinkedIn Learning access
• Free mental health and family planning programs, including adoption assistance and fertility support
• 401(K) program with company match
• Pet insurance
• Employee resource groups

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1-10 employees