We are looking for an experienced Principal .NET Full Stack Engineer to lead the architecture, development, and ongoing improvement of this platform. This is a hands-on technical leadership role for an engineer with deep expertise in the Microsoft technology stack, Azure cloud architecture, Windows-based applications, and secure healthcare software.
You will work directly with a U.S.-based engineering team to build reliable, scalable, and secure systems that support clinical workflows.
What You'll Do
- Lead the architecture, development, and maintenance of full-stack applications using C#, .NET, ASP.NET, and Microsoft Azure.
- Design and maintain secure, scalable, multi-tenant cloud applications, REST APIs, and SQL-based data solutions.
- Develop and support Windows Services, background agents, and desktop application integrations.
- Build and maintain reliable data synchronization between Windows-based diagnostic instruments and Azure-hosted systems.
- Implement authentication, authorization, role-based access control (RBAC), tenant isolation, and protection of sensitive health information (PHI).
- Develop PowerShell scripts for deployment, automation, troubleshooting, and infrastructure management.
- Diagnose and resolve production issues across cloud infrastructure, backend services, databases, and Windows environments.
- Improve application security, automated testing, CI/CD pipelines, and software release processes.
- Conduct code reviews, establish engineering best practices, and mentor other developers.
- Collaborate with U.S.-based engineering and clinical teams to deliver dependable healthcare software.
What We're Looking For
- 10+ years of professional software development experience, including technical leadership or architecture ownership.
- Strong hands-on expertise in C#, .NET, ASP.NET, REST APIs, and SQL.
- Proven experience building and maintaining applications on Microsoft Azure, including multi-tenant cloud architectures.
- Practical experience developing or supporting Windows Services, desktop applications, or Windows-based background agents.
- Strong PowerShell scripting and automation skills.
- Experience implementing secure data synchronization, certificate-based authentication, and troubleshooting Windows environments.
- Solid understanding of application security, RBAC, tenant isolation, and protection of sensitive data.
- Experience with GitHub, GitHub Actions, CI/CD, and Jira.
- Healthcare technology experience involving digital health, medical devices, clinical software, EHR integrations, HIPAA, or PHI-sensitive systems.
- Strong problem-solving skills, architectural judgment, and the ability to lead technical initiatives hands-on.
- Fluent English (C1 or equivalent) and the ability to collaborate effectively with U.S.-based teams.
Nice to Have
- Experience with medical devices, diagnostic instruments, or clinical decision-support platforms.
- Knowledge of HL7, FHIR, and EHR integrations.
- Experience with data replication, offline synchronization, or device-connected applications.
- Familiarity with X.509 certificates, OWASP ZAP, Microsoft Defender for Cloud, and security remediation.
- Experience with Selenium, Azure DevOps, or regulated software development and release processes.
What We Offer
- 100% remote work, with candidates based in Latin America preferred.
- Full-time, long-term B2B contract.
- Direct collaboration with a U.S.-based engineering team.
- An opportunity to lead the development of healthcare technology used in clinical environments.
- 10 paid U.S. public holidays.
- Vacation and sick leave are unpaid.
Security and Compliance Requirements
Due to the sensitive nature of the platform and its healthcare environment, the engagement includes the following requirements:
- Use of an SRS-provided computer with required Microsoft security settings.
- Criminal background check before engagement.
- Completion of annual HITRUST security training.
- Virtual home-office security assessment, including screenshots of home-network settings.
Work Arrangement
- Location: Remote — Latin America preferred.
- Employment type: Full-time, long-term B2B contract.
- Collaboration: U.S.-based engineering and clinical teams.
- Language: Fluent English (C1 or equivalent).
