Sr Principal Engineer, Software Lead

This is where your work makes a difference.

At Baxter, we believe every person—regardless of who they are or where they are from—deserves a chance to live a healthy life. It was our founding belief in 1931 and continues to be our guiding principle. We are redefining healthcare delivery to make a greater impact today, tomorrow, and beyond.

Our Baxter colleagues are united by our Mission to Save and Sustain Lives. Together, our community is driven by a culture of courage, trust, and collaboration. Every individual is empowered to take ownership and make a meaningful impact. We strive for efficient and effective operations, and we hold each other accountable for delivering exceptional results.

Here, you will find more than just a job—you will find purpose and pride. Sr. Principal Software Engineer – Software Architect (.NET)
Your Role at Baxter As a Sr. Principal Software Engineer serving as a Software Architect, you will play a central role in carrying our .NET application software from product intent to working code. Working in close partnership with a fellow architect, you will translate product requirements into software requirements, shape those requirements into a sound software architecture, and implement them alongside the development team.

This is a hands-on role that requires deep .NET expertise, strong design judgment, and a passion for building software the right way.

What You'll be doing

Translate product and system requirements into complete, unambiguous, and testable software requirements, and maintain traceability through to verification.

Partner with a fellow architect to define and evolve the software architecture for our .NET application platform, weighing design alternatives and selecting cost-effective solutions that meet business objectives.

Produce and maintain requirements and architecture deliverables, including software requirements specifications, architecture and design documents, and interface specifications.

Design, develop, test, and deliver production software against the requirements and architecture you define.

Lead technical feasibility analyses to inform requirements, architecture, and roadmap decisions.

Establish and uphold architectural standards, patterns, and engineering practices, and serve as an independent reviewer in technical and design reviews.

Mentor engineers in architecture, design, and lifecycle methodologies, fostering a culture of knowledge sharing and continuous improvement. Influence technical strategy and roadmaps, and present architecture, technical, and project overviews to leadership.

Plan and schedule requirements, architecture, and design activities, and coordinate engineers within quality, time, and budget boundaries.

What you'll bring

Associate degree or higher in Computer Science, Software Engineering, Computer Engineering, or a related field.
8+ years of experience developing and delivering production software solutions on the .NET platform.

Expert proficiency in C#, .NET, ASP.NET Core, Entity Framework Core, and SQL Server.

Experience designing and building scalable APIs and services using REST, GraphQL, and event-driven architectures.

Strong understanding of software architecture, object-oriented design, design patterns, data modeling, and SDLC best practices.

Hands-on experience with Azure, CI/CD pipelines, automated testing, Git Hub, containerization, and secure software development practices.

Experience with Kubernetes, asynchronous messaging technologies (e.g., RabbitMQ), and cloud-native application development.

Strong communication and collaboration skills, with experience working in Agile/Scrum environments and delivering solutions to complex technical challenges; healthcare interoperability experience (HL7 FHIR) is a plus.

Baxter is…