Sr. Software Engineer II

ABOUT THIS POSITION

WHAT YOU'LL DO

Responsibilities

• Design, develop, test, deploy, andmaintainrobust and scalable software applications and services using C#/.NET.

• Collaborate with product owners, architects, and other stakeholders to translate business requirements into technical specifications and actionable development plans.

• Write clean, efficient, well-documented, and maintainable code adhering to Waystar's coding standards and best practices.

• Participate in code reviews,providingconstructivefeedbackandensuringhigh cod equality.

• Troubleshoot and debug complex software issues,identifyingrootcausesand implementing effective solutions.

• Contribute to the continuous improvement of Waystar's software development processes, tools, and infrastructure.

• Mentor junior engineers and share knowledge within the team, fostering a culture of learning and growth.

• Develop andmaintainautomated tests (unit, integration, and end-to-end) to ensure software reliability and stability.

• Monitor application performance using Splunk and other observability tools;identify bottlenecks and implement optimizations to enhance user experience.

• Stay current with emerging technologies and industry trends, evaluating and recommending new approaches and tools.

• Contribute to the architectural design of new features and systems, ensuring scalability, security, and maintainability.

WHAT YOU'LL NEED

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, ora related technical field.

• 7+ years of professional software development experience with a proven track recordof delivering high-quality software.

• Expertise in C# and .NET (both .NET 8 and .NET Framework); strong understanding of the .NET ecosystem and CLR.

• Strong understanding of data structures, algorithms, and object-oriented and SOLID design principles.

• Experience with SQL Server — schema design, stored procedures, query optimization, and performance tuning.

• Experience designing and building microservices and distributed systems using asynchronous, message-based architectures(e.g., Rabbit
  
  MQ).

• Solid understanding of software development best practices including Agile methodologies, CI/CD (Azure Dev Ops Pipelines), and test-driven development (TDD).

• Experience with containerization and container orchestration:
  Docker, Kubernetes, and Helm chart authoring and deployment.

• Familiarity with Git-based version control and Git Hub pull request workflows.

• Excellent problem-solving, analytical, and critical thinking skills.

• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams.

• Ability to work independently and manage multiple priorities in a fast-paced environment.

Nice to Have

• Experience with Redis for distributed caching.

• Experience with Snowflake, Big Query,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.

ABOUT WAYSTAR

Through a smart platform and better experience, Waystar helps providers simplify healthcare payments and yield powerful results throughout the complete revenue cycle.

Waystar’s healthcare payments platform combines innovative, cloud-based technology, robust data, and unparalleled client support to streamline workflows and improve financials so providers can focus on what matters most: their patients and communities. Waystar is trusted by 1M+ providers, 1K+ hospitals and health systems, and is connected to over 5K commercial and Medicaid/Medicare payers. We are deeply committed to living out our organizational values: honesty;

kindness; passion;…