Sr. Software Engineer (.NET Ecosystem)

Our team is seeking a Senior Software Engineer to play a crucial role in advancing our core healthcare IT systems through the development of scalable and secure software solutions. As a senior individual contributor, this position involves working closely with other engineering team leaders to architect robust backend systems, guide technical direction, and enhance software delivery processes. *** US Citizen or Permanent Green Card holder currently residing in the US only ... No exceptions *** Keys to the Role: Deep understanding of the .net ecosystemExperience with distributed systemsExperience with high volume throughputPerformance analysisExperience troubleshooting an enterprise level applicationEssential Functions: Take a technical leadership role in building and scaling national-scale healthcare data exchange systemsDeliver extremely reliable, scalable, and observable software capable of supporting massive transaction volumesLead architecture and implementation of highly scalable, API-driven systems powering healthcare data exchange at scaleProvide practical, balanced technical guidance—considering both engineering best practices and business prioritiesGuide design decisions on fault tolerance, throughput optimization, and system resilienceContribute to CI/CD pipeline improvements to maintain quality while accelerating deliveryCollaborate with product and implementation teams to shape technical executionDocument technical designs, workflows, and release notes for cross-team and customer consumptionParticipate in and lead design and code reviewsMentor engineers through pairing, design discussions, and pull request feedback Qualifications: 10+ years of software engineering experience, with a focus on building large-scale, high-throughput distributed systemsHave a balanced, pragmatic approach—able to apply the right level of engineering rigor to meet business needsExperience designing and scaling API-driven systems with extreme reliability and throughput requirementsExperience with event-driven, queue-backed, and asynchronous processing architecturesSkilled in observability practices including distributed tracing, metrics, and log aggregationStrong background in Microsoft SQL Server and experience optimizing relational data accessFamiliar with other database technologies (NoSQL, distributed databases)Deep experience with the .NET ecosystem, with exposure to other technical stacks as a plusFamiliar with containerization, cloud-native architectures, and Kubernetes deployment patternsStrong architectural skills with a focus on reliability, scalability, and performanceProven ability to lead architecture across multiple systems and teamsExperience writing and optimizing parallel and asynchronous codeStrong knowledge of IHE profiles, FHIR, and other healthcare data exchange standards is a significant plusFront-end development experience with modern JavaScript/TypeScript frameworks is a plus but not requiredBachelor’s degree or equivalent experience in a technical field Technology Doesn't Change the World, People Do.® Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use and Privacy Notice.