Full Stack Developer III

. Design, develop, test, and maintain front-end and back-end application components.

Posted 10/15/2026full-timeUnited StatesMid-LevelSenior💰 $118,000 - $145,000 per yearWebsite

Tools & technologies

ASP.NETJavaScriptRubyRuby on RailsSQL.NET

Key responsibilities & impact

Design, develop, test, and maintain front-end and back-end application components.
Build high-performing web applications that interact with large datasets, APIs, services, and databases.
Contribute to web application architecture and recommend technical solutions.
Develop scalable, flexible, and dynamic websites, portals, and application features.
Ensure application quality, responsiveness, reliability, and maintainability.
Write efficient, secure, and reusable code following established standards and best practices.
Troubleshoot and resolve complex application defects and performance issues.
Support database design, optimization, data modeling, and query performance.
Participate in architecture discussions, code reviews, sprint planning, and release activities.
Provide technical guidance and support to junior developers.

What you’ll need

Must be able to obtain and maintain the required customer clearance for access to systems, facilities, equipment and property.
Strong knowledge of modern front-end frameworks, component-based architecture, state management, and responsive design.
Knowledge of PQS/PRIA/PEARLS, ASP.NET MVC 5, 4th Dimension Databases, .NET, Simple VB, and Ruby On Rails.
Experience coding in a Clinical/Medical environment.
Ability to convert a very large and complex existing 4D application to a web-based MVC 5 application compliant with multiple existing systems.
Ability to translate business requirements into technical solutions.
High-level SQL coding skills focused on data acquisition and manipulation.
Advanced web design knowledge including HTML, CSS, and JavaScript.
Advanced markup language knowledge including JSON and XML.
Advanced skills in ASP.NET coding languages VB and C#, and ASP.NET MVC 5+ coding practices.
4D Database technology experience is a large plus.
Bachelor’s degree and a minimum of four to seven (4-7) years of relevant experience, or equivalent combination of education/experience.
Must comply with federal contractor drug-free workplace requirements.

Comp & perks