Senior Software Engineer, .NET - US Remote

What is PerfectServe?  PerfectServe is a leading provider of clinical communication and physician scheduling solutions in the health IT space. The company was founded in 1997 and has grown steadily since then, with a notable jump after several major acquisitions were announced in 2019. PerfectServe now has 400+ employees, 30,000+ customers — spanning medical practices, hospitals, and health systems — and $100 million+ in annual revenue. PerfectServe’s mission is to accelerate speed to care by optimizing provider schedules and routing communications — including messages, pages, calls, and alerts — to the right place at the right time in any care setting. By facilitating real-time information sharing, building better schedules, and automating important clinical workflows, we believe we can help our customers advance patient care and improve the well-being of their clinicians. Leading analyst firms like Gartner® and KLAS Research have consistently validated our approach: In 2026, PerfectServe was named highest in execution and furthest in vision in the Gartner Magic Quadrant™ for Clinical Communication and Collaboration — the clear segment leader. PerfectServe also received two Best in KLAS awards in 2026 — one for physician scheduling and another for ambulatory clinical communications. That makes for 11 Best in KLAS awards over the past 9 years. At PerfectServe, you'll have a unique opportunity to join a collaborative team with decades of experience that finds new ways to delight our customers every day. This involves consistent efforts to stay on the cutting edge of product development, which includes everything from implementing AI in new and existing solutions to brainstorming with customers about novel workflows. But you don't have to be in product to make in impact — everybody at PerfectServe contributes to important work that moves the business forward. If you're looking for a well-established, tech-forward company full of smart people doing meaningful work, you've found the right place! *]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]" data-turn-id="request-69b2893b-236c-8325-9c0b-abee4ee5a645-44" data-testid="conversation-turn-48" data-scroll-anchor="true" data-turn="assistant"> At PerfectServe, we are driven by a mission to improve healthcare outcomes through innovative, reliable technology. We are looking for a passionate and collaborative engineer to join us and become a key contributor to our technical future. This is a unique opportunity to step into a dynamic environment and have a real impact, helping us build world-class services that power clinical communication and collaboration. The Opportunity: What's In It For You? Breadth of Technical Work & Expanded Scope: We don't believe in rigid role boundaries. You'll have the opportunity to work across a diverse set of engineering challenges—from legacy modernization and performance tuning to new feature development and system design—growing your skills across the stack and increasing your impact over time. Solve Meaningful Problems: You will tackle complex and meaningful technical challenges related to building scalable, high-availability voice and messaging communication systems that are critical to the healthcare industry. Make a Visible Impact: You will see the direct impact of your work on improving patient care, reducing administrative burden for clinicians, and streamlining critical clinical workflows. Grow with a Modern Stack: You will work with a modern .NET-based technology stack and have a real voice in its evolution. We believe in using the right tool for the job and empowering our engineers to make technical decisions. How We Build: The Power of Perspective • We believe that the best and most innovative solutions are born from the collaboration of people with diverse backgrounds, experiences, and viewpoints. • We highly value team players who can respectfully challenge ideas, contribute to technical debates, and work together to achieve a collective outcome that is greater than the sum of its parts. About the Team • You will be joining one of our core platform pods, a team of 6–8 focused on building and owning the C#/SQL services at the heart of our platform. • We operate in two-week sprints, value open and honest communication, and own our services from initial design and development all the way through to deployment and support. How You'll Make an Impact • As a key member of a high-performing team of .NET/C# experts, you will design, build, and maintain highly performant, well-structured, and well-tested code for our core services. • Champion and evolve our team's best practices in code quality, automated testing, and observability to drive technical excellence. • Pay it forward by formally and informally mentoring junior engineers, guiding them through technical challenges and helping them grow their careers at PerfectServe. • Foster a "one-team" culture by actively engaging in code reviews and providing constructive, collaborative feedback to our distributed and offshore engineering partners. • Collaborate effectively with Product Owners, QA, and other engineering teams to deliver on complex, multi-team initiatives. • Apply generative AI technologies during design, development, testing, and deployment activities to optimize engineering processes and deliver higher impact solutions. What You'll Bring to the Team Required Qualifications • 5+ years of professional software engineering experience with C#. • 5+ years of professional software engineering experience with ASP.NET Web API. • Expert-level knowledge of designing and building RESTful web APIs. • Expert-level knowledge of .NET data access frameworks (ADO.NET, Dapper, EF, etc.) • Advanced level knowledge of MSSQL or a similar relational database including data modeling, query optimization and Stored Procedure development. • Strong Unit and Integration Testing techniques. • D