**ABOUT THIS POSITION** We are looking for a skilled Software Developer with a deep understanding of designing and developing technically scalable systems. The ideal candidate will have a strong background in building high-performance, fault-tolerant software that can evolve to support a growing number of users and high transaction volumes. You will collaborate with cross-functional teams to deliver well-architected and resilient solutions. **WHAT YOU'LL DO** + **Design and develop scalable systems:** Architect and implement software solutions that scale efficiently in response to increased loads and growing user bases. + **Optimize performance:** Ensure applications are optimized for speed and efficiency, reducing latency and enhancing the user experience under heavy traffic. + **Qualifications:** + 3+ years of software development experience with a focus on building scalable systems. + Strong programming skills in languages such as C#, .NET, and JavaScript. + Experience with distributed systems and microservices architecture. + Proficiency in SQL Server and database management. + Familiarity with in-house cloud platforms and cloud-native services such as Kubernetes or Docker. + Knowledge of performance optimization techniques, including caching strategies and database optimization. + Experience with API design and integration, including RESTful services and third-party service integration. + Strong problem-solving skills and ability to troubleshoot performance bottlenecks. + Ability to work in an agile development environment and adapt to changing business needs. + **Collaborate with teams:** Work closely with product managers, designers, and other engineers to gather requirements, define technical specifications, and deliver high-quality solutions. + **Focus on reliability and fault tolerance:** Develop fault-tolerant systems that maintain high availability and can recover quickly from errors. + **Ensure clean architecture:** Implement software following best practices, such as clean architecture, SOLID principles, and microservices when appropriate. + **Modernize legacy systems:** Engage in efforts to modernize legacy .NET Framework systems, transitioning them to more contemporary architectures and technologies, ensuring improved performance, maintainability, and scalability. + **Database and API design:** Develop efficient and scalable database schemas using SQL Server and RESTful APIs that handle large datasets and high request volumes. + **In-house cloud infrastructure management:** Work with in-house cloud systems to leverage auto-scaling, load balancing, and other cloud-native solutions. + **Code quality and reviews:** Write clean, maintainable, and testable code. Conduct code reviews and offer constructive feedback to peers. + **Stay updated with trends:** Keep up with the latest advancements in scalable architectures, distributed systems, and software engineering practices to ensure solutions are future-proof. **WHAT YOU'LL NEED** + Experience with containerization and orchestration tools like Kubernetes and Docker. + Knowledge of monitoring tools such as Splunk. + Experience with load testing tools. + Prior experience in building enterprise systems with high transaction volumes. + Familiarity with DevOps practices and CI/CD pipelines. **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; curiosity; fanatical focus; best work, always; making it happen; and joyful, optimistic & fun. Waystar products have won multiple Best in KLAS® or Category Leader awards since 2010 and earned multiple #1 rankings from Black Book™ surveys since 2012. The Waystar platform supports more than 500,000 providers, 1,000 health systems and hospitals, and 5,000 payers and health plans. For more information, visit waystar.com or follow @Waystar (https://twitter.com/Waystar) on Twitter. **WAYSTAR PERKS** + Competitive total rewards (base salary + bonus, if applicable) + Customizable benefits package (3 medical plans with Health Saving Account company match) + Generous paid time off starting at 3 weeks + 13 paid holidays including 2 personal floating 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. **Job Category:** Technology/Engineering **Job Type:** Full time **Req ID:** R2328