Senior .NET Full-Stack Engineer - AI-Driven Health Tech

RethinkFirst; United States; Remote; USD 110,000 - 170,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Flex Paid time off

Parental leave

Professional development assistance

401K

Job summary

RethinkFirst in New York City is seeking a Senior Full-Stack .NET Developer to design, build, test, and deploy cloud-based applications and infrastructure. You will work with C#, JavaScript/TypeScript, and modern patterns, leveraging AI tooling as a core part of daily development to deliver scalable health-tech solutions.

You will collaborate with cross-functional teams to ship features, improve performance, and ensure code quality while following best practices in DevOps, testing, and

Qualifications

• 5+ years of development experience.
• Proficient with C#, JavaScript, and TypeScript.
• 3+ years of experience with Azure or AWS cloud technologies.
• Experience deploying IaC and modern architecture patterns.
• Strong understanding of design principles, algorithms, and data structures.

Responsibilities

• Design and build applications, micro-services, and infrastructure for the Rethink First platform.
• Ensure the performance, quality, and responsiveness of applications.
• Collaborate with a team to define, design, and ship new features.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automation.
• Use AI development tools as part of daily workflow.
• Analyze and optimize applications for efficiency and performance.
• Promote robust and maintainable code and documentation.

Skills

C#

JavaScript

TypeScript

Cloud fundamentals

Education

Bachelor’s degree in Computer Science

Tools

Azure

AWS

Docker

Kubernetes

Terraform

Git

CI/CD pipelines

Job description

RethinkFirst in New York City is seeking a Senior Full-Stack .NET Developer to design, build, test, and deploy cloud-based applications and infrastructure. You will work with C#, JavaScript/TypeScript, and modern patterns, leveraging AI tooling as a core part of daily development to deliver scalable health-tech solutions.

You will collaborate with cross-functional teams to ship features, improve performance, and ensure code quality while following best practices in DevOps, testing, and