Full Stack Software Engineer

Banyan Software

. Develop and maintain applications using C#, ASP.NET Core, Razor, JavaScript, and SQL Server .

Posted 11/3/2026full-timeRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining applications using C#, ASP.NET Core, and SQL Server, with a strong focus on secure coding practices and healthcare data management. Proficient in modernizing legacy systems while ensuring reliability and usability in healthcare delivery.

Highest-signal resume keywords

C# DevelopmentASP.NET CoreSQL ServerAutomated TestingHealthcare Software

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#ASP.NET CoreSQL ServerT-SQLHTMLCSSJavaScriptRESTSOAPAutomated Testing

Soft Skills

Clear CommunicationCollaboration

Tools & Technologies

GitDapperRazorJQueryBootstrapEntity Framework CoreXUnitNUnitPlaywrightCI/CD Pipelines

Industry Keywords

HIPAAPatient PortalsBillingSchedulingClinical Workflows

Tech Stack

Tools & technologies

ASP.NETBootstrapEntity FrameworkJavaScriptjQuerySOAPSQL.NET

About the role

Key responsibilities & impact

Develop and maintain applications using C#, ASP.NET Core, Razor, JavaScript, and SQL Server
Design APIs, services, background jobs, database procedures, and responsive user interfaces
Troubleshoot issues across application, database, integration, and deployment layers
Write automated unit and browser-based integration tests
Modernize legacy .NET and Windows components while preserving production reliability
Build secure integrations using REST, SOAP, SFTP, XML, and healthcare data formats
Participate in code reviews, technical design, testing, and release validation
Protect sensitive healthcare data through secure coding and authorization practices
Collaborate with product, support, QA, and implementation teams to translate operational needs into practical solutions
Produce clear, maintainable solutions; investigate full-stack problems; balance modernization with compatibility; and improve software reliability and usability supporting healthcare delivery

Requirements

What you’ll need

Professional experience with C# and .NET
Experience developing web applications with ASP.NET Core or ASP.NET MVC
Strong SQL Server and T-SQL skills, including stored procedures and query optimization
Working knowledge of HTML, CSS, JavaScript, and common web development patterns
Experience with Git, automated testing, debugging, and code review
Ability to understand and improve an established, business-critical codebase
Clear written and verbal communication skills
Preferred: Experience with Dapper, Razor, jQuery, Bootstrap, or Entity Framework Core
Preferred: Experience with xUnit, NUnit, Playwright, or similar testing tools
Preferred: Familiarity with Quartz.NET, SignalR, OpenID Connect, IIS, and Windows services
Preferred: Experience modernizing legacy .NET Framework, VB.NET, COM, or desktop applications
Preferred: Knowledge of CI/CD pipelines, Gulp, Swagger/OpenAPI, or NLog
Preferred: Experience with healthcare software, HIPAA-sensitive data, patient portals, billing, scheduling, or clinical workflows
Preferred: Familiarity with multi-tenant applications and security-based data partitioning