Senior Full-Stack .NET Web Developer
Location: Remote
Employment Type: Contract
Experience Level: Senior (10+ years)
Salary: $100-$120/hr.
About the Role
We are seeking a highly skilled Senior Full Stack .NET Web Developer with deep expertise across the full web stack — from server-side C#/.NET services to modern JavaScript front ends — to join our technology team. The ideal candidate will bring at least a decade of professional software development experience, with a strong track record of designing, building, and maintaining polished, secure, and high-performing web applications. This role requires a blend of technical excellence, UI/UX sensibility, problem-solving, and leadership to architect, build, and optimize mission-critical, public-facing web systems.
Key Responsibilities
- Design, develop, and maintain responsive, accessible web applications using ASP.NET Core (MVC/Razor Pages) and modern JavaScript/TypeScript frameworks such as React, Angular, or Vue.
- Build and maintain RESTful/GraphQL APIs and backend services in C#/.NET that power front-end applications and integrate with SQL Server and other enterprise systems.
- Translate UI/UX designs and wireframes into clean, semantic, cross-browser HTML5, CSS3, and JavaScript/TypeScript.
- Architect scalable, secure, and performant front-end and back-end web architectures, including component libraries, state management, and reusable UI patterns.
- Ensure web applications meet accessibility (WCAG 2.1 AA) and web security best practices, and are optimized for performance across browsers and devices.
- Collaborate with cross-functional teams, including product, UX/design, QA, and business stakeholders, to deliver end-to-end web solutions.
- Support cloud-based hosting and deployment initiatives using Azure (App Service, Azure DevOps, CI/CD pipelines).
- Mentor junior developers and contribute to front-end and back-end technical best practices, code reviews, and architectural discussions.
- Build and optimize CI/CD pipelines to ensure rapid, reliable, and automated web application deployments.
- Monitor, troubleshoot, and optimize web application performance, scalability, and reliability in production.
Required Qualifications
- 10+ years of professional software development experience, with a strong emphasis on web application development.
- Proven expertise in C#/.NET (Core/Framework), including ASP.NET Core MVC/Razor Pages and building RESTful APIs.
- Strong proficiency in modern JavaScript/TypeScript and hands-on experience with at least one major front-end framework (React, Angular, or Vue).
- Solid command of HTML5, CSS3, and responsive, cross-browser design principles.
- Proven experience with SQL Server (or comparable relational databases) and strong SQL query and optimization skills.
- Experience implementing web accessibility standards (WCAG 2.1 AA / Section 508).
- Experience with Azure, including App Service, DevOps/CI-CD pipelines, and cloud deployment for web applications.
- Strong understanding of web application security best practices (authentication/authorization, OWASP Top 10, data protection).
- Excellent problem-solving, troubleshooting, debugging, communication, and leadership abilities across front-end, back-end, and database code.
Preferred Qualifications
- Experience with public sector or government web applications.
- Demonstrated ability to leverage generative AI and AI-assisted development tools to improve code quality, code review, refactoring, unit-test creation, troubleshooting/debugging, and technical documentation while validating generated output for accuracy and security.
- Experience with SharePoint, Power Automate, or other Microsoft 365 integration technologies.
- Relevant technical certifications in web development, .NET, Azure, or JavaScript frameworks.
- Prior experience leading small development teams or mentoring peers.
Why Contract with Us?
- Contract is with local government entity
- Serve in a high-impact senior technical role supporting mission-critical public services across traditional Microsoft enterprise technologies and modern Azure-native services.
- Support a strategic Azure-hosted messaging platform while strengthening automation, reliability, and troubleshooting capabilities through an independent contractor engagement with competitive hourly compensation.
10+ years professional software development; expertise in C#/.NET, ASP.NET Core, JavaScript/TypeScript, React/Angular/Vue, SQL Server, Azure, WCAG 2.1 AA, and web security best practices.
Key Responsibilities
- developing web applications
- building APIs
- mentoring developers
Skills & Tools
C#, .NET, ASP.NET Core, MVC, Razor Pages, JavaScript, TypeScript, React, Angular, Vue, RESTful APIs, GraphQL, SQL Server, HTML5, CSS3, Azure, Azure DevOps, CI/CD, SharePoint, Power Automate, Microsoft 365
Job Details
- Category: Software Development
- Seniority: Senior Level
- Commitment: Contract
- Workplace: Remote — Tampa, Florida, United States
- Salary: USD 208,000 – 249,600 / year
- Languages: English
About Hillsborough County
A local government entity providing public services to Hillsborough County residents. — Industry: Government Agencies and Departments