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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.
