Software Engineer II

Waystar, Inc; Louisville (KY); On-site; USD 70,000 - 90,000; Full time

Job summary

Waystar, Inc in Louisville, Kentucky is seeking a Software Developer to develop, test, and maintain applications on the Waystar Claims platform. You will work with C#/.NET, SQL Server, and microservices in a collaborative environment.

The ideal candidate has a Bachelor's degree in Computer Science and 3-5 years of professional experience, with strong skills in software development best practices. This is an equal-opportunity position that encourages diversity and inclusion.

Qualifications

• 3–5 years of professional software development experience.
• Proficiency in C# and .NET ecosystem.
• Experience with SQL Server.
• Working knowledge of Agile methodologies.
• Ability to manage tasks in a fast-paced environment.

Responsibilities

• Develop, test, deploy, and maintain software applications using C#/.NET.
• Collaborate with teams to understand requirements.
• Write clean and maintainable code.
• Participate in code reviews to maintain quality.
• Troubleshoot and debug software issues.
• Develop and maintain automated tests.

Skills

C#

.NET

SQL Server

Microservices

Agile methodologies

Git

Docker

Kubernetes

Education

Bachelor's degree in Computer Science or related field

Tools

RabbitMQ

Azure DevOps Pipelines

Job description

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.

What You’ll Do

• 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, give and incorporate 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 observability tools; surface and escape 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.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related 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) and 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 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 Have

• 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.

Equal Employment Opportunity

Waystar is proud to be an equal-opportunity workplace. We celebrate, value, and support diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, marital status, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.