Sr. Full-stack .NET Core Developer

We are seeking a Sr. Full-Stack .NET Core Developer (REMOTE) for a full time and direct hire role for one of our amazing SaaS partners based in the east coast of the US. This role is remote, but you MUST be living in the United States and be willing to work east coast hours. You MUST be a US Citizen or Green Card Holder. This role does NOT offer sponsorship, it's NOT a consulting role, and we do NOT work with 3rd parties! 

This Full Stack Senior Developer (with noticeable backend or frontend bias) should have deep experience with .NET Core, Node.js, React, JavaScript and TypeScript, Azure, and AKS. You will help modernize their tech stack into a service-based offering running on Kubernetes. You will work closely with distributed teams across multiple time zones, lead technical projects, mentor team members and support occasional client issues. They use a pragmatic mix of larger services and microservices to achieve scalability while keeping complexity manageable. You should have a can-do attitude and be eager to research and implement solutions to complex challenges. They make a Lab Information Systems (LIS) and they have a portfolio of On-Premise and Cloud-based customers. Their SaaS solution enables labs to maximize efficiency and reduce human error, which promotes superior patient care. They work with Anatomic and Clinical Pathology, Molecular and Genetic Testing, and Clinical Trials markets.

Responsibilities:

• Collaborate with cross-functional, distributed teams to deliver high-quality software solutions.
• Design and develop high performing healthcare systems critical to patient care
• Lead technical initiatives with scalability, reliability and maintainability
• Mentor team members and provide constructive feedback through code reviews and pull requests.
• Support occasional client-related issues and gain deep expertise in their application.

Requirements:

• Experience with languages like C#, .NET Core, React, Node.js, JavaScript, TypeScript and Golang.
• Excellent software craftsmanship and a quality first approach in development.
• Experience with design patterns supporting security, scalability and performance.
• Experience with API architectures (REST, WebSocket, GraphQL).
• Able to use AI based tools to assist in delivery.
• Understanding of high performing database patterns, and using MS SQL Server, PostgreSQL, and MongoDb.
• Infrastructure experience with containerized applications, and message brokering frameworks (RabbitMQ, Azure Service Bus, or similar).
• Familiar with LLM-assisted development tools (Cursor or Claude Code) and AI-assisted coding best practices.
• Experience with source control tools like Git and Azure DevOps.
• Experience with scrum and agile software development methodologies.
• Healthcare or laboratory information system experience is a plus.