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Senior & Staff Full Stack Developers jobs in United States
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Sage Recruiting Inc. · 3 weeks ago

Senior & Staff Full Stack Developers

Sage Recruiting Inc. is representing an AI-first health tech company focused on early cancer detection. They are seeking Senior and Staff Full Stack Developers to build and scale platforms that support their AI-driven screening service, working across a modern Vue frontend and a .NET based backend.
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Growth Opportunities

Responsibilities

Build end-to-end features across frontend and backend
Design and maintain secure, well-documented APIs integrating with EMRs, imaging partners, and AI services
Focus on high-performance ASP.NET Core services and efficient data access
Translate requirements into intuitive user experiences across desktop, tablet, and mobile devices
Define automated testing strategies, including unit, integration, and end-to-end tests
Champion CI/CD and DevOps practices in Azure
Improve performance, scalability, and observability
Mentor through code reviews, pairing, and design sessions
Contribute to roadmap, planning, stand-ups, and retrospectives
At the staff level, set engineering standards and drive architectural direction

Qualification

ASP.NET CoreC#Full-stack developmentCloud experienceMicroservicesRESTful APIsSQL ServerAutomated testingResponsive designPythonClear communicationEffective collaborationMentoring

Required

6 + years building production systems and leading feature work
12 + years of software engineering, including leadership and architecture, with continued hands-on coding
Bachelor's degree in Computer Science, Software Engineering, or related field
Production experience with ASP.NET Core and C#
Full-stack experience with modern JavaScript or TypeScript frontends and .NET backends
Experience with microservices, RESTful APIs, and event-driven patterns
Strong SQL Server skills and database optimization
Cloud experience in Azure, AWS or GCP, with infrastructure as code, containers, pipelines, and monitoring
Automated testing with xUnit, NUnit, Jest, or Playwright, and a commitment to clean code
Clear communication and effective collaboration in cross-functional teams

Preferred

DICOM, HL7 or FHIR, or other healthcare standards
Security and compliance exposure, HIPAA, SOC 2
Responsive design, PWAs, and accessibility
Python, GCP, or FastAPI experience for future projects

Benefits

Stock options.
Comprehensive health, dental, and vision plans for you and your family.
Flexible, remote work environment.
Unlimited PTO
Team off-sites and wellness initiatives.
A mission-driven culture with continuous learning and growth.

Company

Sage Recruiting Inc.

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Sage Recruiting is a women-owned technical recruiting firm that focuses on Product and Engineering roles for software startups and SMBs across North America.

Funding

Current Stage
Early Stage
Company data provided by crunchbase