Hillsborough County

Senior Full-Stack .NET Web Developer (Contract)

United States · REMOTE · FREELANCE
Publiée le 17 octobre 2026 · Candidature traitée sur le site de l’entreprise
DeveloperFull-Stack-Developer.NET-DeveloperWeb-DeveloperC++-DeveloperSoftware-DeveloperSenior-.NET-Full-Stack-DeveloperSenior-.NET-Full-Stack-EngineerSenior-Full-Stack-Engineer-(.NET-Angular)Senior-Full-Stack-Engineer-(.NET-React)Senior-Full-Stack-Engineer-(.NET-C#-SQL)Senior-Fullstack-Web-Application-DeveloperSenior-Full-Stack-Engineer-(.NET-Vue)

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. Originally posted on Himalayas