Senior Backend .NET Software Engineer

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries. We help healthcare providers and insurers ensure accurate patient eligibility and coverage, reducing claim denials and improving patient access to care. Our platform processes millions of transactions daily, requiring high availability, security, and scalability. By joining our team, you'll help improve healthcare operations and outcomes for patients. Role Overview We're looking for a Senior Backend Software Developer with expertise in designing and maintaining scalable .NET applications. You'll lead technical projects, mentor team members, and lead architecture decisions to ensure our systems meet the reliability, and security. Experience with healthcare data standards such as EDI and HL7, as well as HIPAA compliance, is highly valued. You will report to the Software Engineering Director. Responsibilities Lead design and architecture discussions for complex backend systems. Mentor junior and mid-level developers, promoting best practices in coding and testing. Manage critical components of the application lifecycle, from design through deployment. Evaluate and introduce new technologies to improve scalability, maintainability, and performance. Collaborate with product owners and partners to influence technical direction and ensure understanding of our goals. Contribute to and improve CI/CD pipelines, build processes, and deployment strategies. Participate in Agile ceremonies including backlog grooming, sprint planning, and technical design discussions. Testing and Tools Experience with unit testing frameworks such as xUnit and Moq. Familiarity with API testing tools such as Postman or Insomnia. Familiarity with MongoDB or other NoSQL database systems. Familiarity with observability tools such as Dynatrace and Amazon CloudWatch. Comfortable using Git for version control. Environments Comfortable working in both Windows and Linux environments, including PowerShell and Bash scripting. Hands-on experience with cloud-native architectures and AWS services such as S3, Lambda, EC2, and EKS. Experience with containerization and orchestration technologies, including Kubernetes. Bachelor's degree in Computer Science, Information Technology, or a related field. Expert-level proficiency in .NET 8, C# 12+, and ASP.NET Core 7+ years of hands-on software development experience. Experience with microservices architecture, distributed systems, and event-driven design. Design and implement secure APIs and enforce best practices for authentication and authorization. Experience profiling and optimizing large-scale applications processing millions of transactions daily. Familiarity with DRY, SOLID, and Clean Architecture principles. Our uniqueness is that we celebrate yours. Experian's people first, inclusive and purpose driven culture is multi award-winning; World's Best Workplaces™ 2025 (Fortune Global Top 25), Great Place To Work™ in 26 countries to name a few. Check out Experian Life on social or explore our Careers Site to understand why. Our compensation reflects the cost of labor across several U.S. geographic markets. The base pay range for this position is listed above. Within this range, individual pay is determined by work location and additional factors such as job-related skills, experience, and education. You will be also eligible for a variable pay opportunity. Experian is proud to be an Equal Opportunity Employer for all groups protected under applicable federal, state and local law, including protected veterans and individuals with disabilities. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity. Benefits/Perks: Great compensation package and bonus plan Core benefits including medical, dental, vision, and matching 401K Flexible work environment, ability to work remote Flexible time off including volunteer time off, vacation, sick and 12-paid holidays Explore all our exciting benefits here: https://myexperianbenefits.com/ Recruitment Fraud Awareness - Experian's recruitment process is conducted only through authorised channels. Recruitment communications will only be sent from an @ experian.com email address. Experian will never ask candidates to make any payment as part of an application, interview, assessment, onboarding, or recruitment process. To apply for roles or verify opportunities, please visit experian.com/careers #LI-Hybrid