Senior .NET Staff Engineer - Healthcare (Remote)

Experian

6d • Remote

About The Position

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create digital marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realise their financial goals and help them to save time and money. We operate across a range of markets, from financial services to healthcare, automotive, agrifinance, insurance, and many more industry segments. We invest in people and new advanced technologies to unlock the power of data and to innovate. A FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 23,300 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com . Reporting to the Software Development Manager, Experian Health is looking for a Senior Staff Engineer who combines strategic technical leadership with hands-on coding and application development. You will define and guide the technical vision for our backend systems, lead architecture for mission-critical healthcare applications, and influence engineering practices across teams. Healthcare experience is a must. You'll have opportunity to: Shape platform-wide architecture and technical standards for backend systems Partner with engineering leadership and product strategy to align technical roadmap with our goals Manage initiatives such as performance optimization, cloud-native adoption, and security hardening Be a technical advisor for multiple teams, guiding complex integrations and migrations Represent engineering in executive-level discussions on scalability, compliance, and reliability Write production-grade code for critical components, proof-of-concepts, and performance-sensitive modules Conduct code reviews and enforce best practices for maintainability, security, and scalability

Requirements

• Expert-level proficiency in .NET Core 8.0, C# 12+, and ASP.NET
• Strong understanding of microservices, 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 (millions of transactions daily)
• Mastery of clean architecture principles
• Influence technical direction across multiple teams while remaining hands-on
• Knowledge of data exchange standards (X12, HL7) and ability to design robust data pipelines
• Experienced with unit testing frameworks like XUnit and Moq
• Familiar with API testing tools like Postman or Insomnia
• Familiar with MongoDB or other NoSQL database systems
• Familiar with observability tools (Dynatrace, CloudWatch) and incident response frameworks
• Familiar with modern CICD tools (GitHub Actions, Azure DevOps, Bamboo, Octopus)
• Comfortable with Git and advanced branching strategies
• Comfortable working in both Windows (PowerShell) and Linux (bash scripting) environments
• 5+ years of experience with cloud-native architectures and AWS services (S3, Lambda, EC2, and EKS)
• 5+ years of experience with containerization and orchestration (Kubernetes)

Responsibilities

• Shape platform-wide architecture and technical standards for backend systems
• Partner with engineering leadership and product strategy to align technical roadmap with our goals
• Manage initiatives such as performance optimization, cloud-native adoption, and security hardening
• Be a technical advisor for multiple teams, guiding complex integrations and migrations
• Represent engineering in executive-level discussions on scalability, compliance, and reliability
• Write production-grade code for critical components, proof-of-concepts, and performance-sensitive modules
• Conduct code reviews and enforce best practices for maintainability, security, and scalability

Benefits

• Great compensation package and bonus plan
• Core benefits including medical, dental, vision, and matching 401K
• Flexible work environment, ability to work remote, hybrid or in-office
• Flexible time off including volunteer time off, vacation, sick and 12-paid holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees