ABOUT THIS POSITION

We are seeking a Senior Software Engineer to join our Technology team. In this role, you will partner closely with Technology and product teams to design, build, and support scalable, high throughput systems that impact patients and healthcare. You will play a key role in delivering high‑quality solutions, resolving production issues, and mentoring others. This is an ideal opportunity for someone who enjoys solving complex problems, taking ownership, and building reliable, scalable systems.

We believe deeply in living Waystar's values in our work and personal lives. We are looking for individual that resonate with all of them. On this team, we like to emphasize our values for passion, honesty, and making it happen.

WHAT YOU'LL DO

• Make accurate judgement calls about hard technical decisions for your own work and the work of a team.
• Propagate proper decisions and solutions to the Engineering Manager.
• Collaborate with, mentor, and support team members in developing sound technical solutions
• Design, develop, test, and implement new features and enhancements for Waystar’s core processing applications and sometimes website.
• Build and maintain applications in alignment with functional and technical specifications
• Take ownership of assigned work, driving code to production with minimal oversight.
• Perform on call duties, roughly one week in a quarter.
• Ensure accurate deployments through thought out solutions, good unit testing, and end to end automation testing.
• Identify opportunities for refactoring, optimization, and improved architectural or technology solutions
• Solve complex technical problems with minimal oversight

WHAT YOU'LL NEED

• 5+ years of experience with .NET, or other OOP language.
• 5+ years of experience with SQL Server or other industry‑standard relational databases.
• Experience with RabbitMQ, or other queueing system
• Experience with deploying pods to Kubernetes.
• Strong experience with programming fundamentals, such as unit testing, data structures, and debugging.
• Excellent written and verbal communication skills, as this is a social role.
• Ability to thrive in a fast‑paced, dynamic environment
• Highly self‑motivated with the ability to work independently and collaboratively
• Experience building highly scalable, enterprise grade software solutions
• Subject matter expertise in at least one technical domain or track
• Bachelor’s degree in a related field or equivalent practical experience

Preferred Skills

• Experience with N‑tier architectures and SaaS development
• Strong problem‑solving and troubleshooting skills
• Familiarity with modern development tools, frameworks, and best practices
• Developing agentic workflows and shipping features with AI.

WAYSTAR PERKS

• 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

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.