> Markdown version of [/jobs/ext/445769-senior-net-developer](https://www.wearedevelopers.com/jobs/ext/445769-senior-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET Developer - **Company:** Evolver Inc. - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), .NET Framework, Extensible HyperText Markup Language (XHTML), Web Accessibility, Ajax (Programming Language), Software Applications, HTML5, Microsoft Azure, Bootstrap (Software), Browser Compatibility, C Sharp (Programming Language), Cascading Style Sheets (CSS), Adobe Coldfusion, CompTIA Security+, Databases, Relational Databases, Database Design, Database Queries, Software Debugging, Dependency Injection, Programming Tools, Web Development, Entity Framework, Internet Information Services (IIS), JSON, JQuery, Microsoft Visual Studio, Microsoft Office, Windows Presentation Foundation, Microsoft SQL Server, Node.Js, Oracle Databases, Oracle (Applications), Scrum Methodology, Query Optimization, Software Engineering, Software Systems, SQL Databases, Visual Studio Online, Web Pages, Windows Desktop, Test-Driven Development (TDD), .NET Core, ReactJS, Blazor, Inversion of Control, Backend, Git, Vue.js, Syntactically Awesome Style Sheets (SASS), Webpack, AngularJS, Material UI, Information Technology, Npm(Software), Wikis, Web Technologies, Front End Software Development, SQL Server Management Studio (SSMS), Restful APIs - **Published:** June 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8958530/senior-net-developer ## About the Role Evolver is seeking a Senior .NET Developer to support the work and projects of our client in Washington D.C. Must be able to pass a USCP Background Check. The role's primary function will be to work with the software development team to support and enhance existing software applications written in .NET, ColdFusion, and Java, using SQL Server and Oracle databases in the backend. Responsibilities * This position requires excellent interpersonal and written communication skills to interface effectively with key stakeholders and demonstrated ability to present material effectively to all levels of management. * Ability to work with non-technical customers and create software solutions based on their requirements. * Ability to work with subject-matter experts, analyze existing solutions, databases and reports and make or suggest improvements, as needed. * Ability to work productively without being micromanaged * Update developer technical reference documentation and program WIKIs * Experience working in an agile environment with SCRUM or Kanban * Identify innovative solutions for legacy applications and adapt to emerging technologies for new requirements, * A Master's degree in Computer Science or a related field and at least 13 years of applicable experience, or additional years of experience in lieu of degree * SCRUM Master certification * 10 years of experience developing web applications using Microsoft C# * 5 years of front-end development experience with JavaScript, AJAX, JSON, CSS and XHTML, preferably HTML5/CSS3 * 5 years of experience with jQuery and at least one additional modern JavaScript SPA framework, such as React Vue, Angular, or Blazor * Ability to debug web pages (layout, JavaScript, AJAX) using browser developer tools * 5 years of experience with RestAPI end-points * Experience with .Net Core and above * Experience with Test Driven Development (TDD) * Must be able to pass a USCP Background Check. Preferred Qualifications * Expertise with web development using Microsoft tools to include Visual Studio, VS Code, Azure Data Studio, Azure DevOps, Microsoft IIS Server, and SQL Server Management Studio * Experience with Windows Desktop applications using WPF, UWP, WinUI, Maui, or Uno * A firm understanding of database design fundamentals, including table design and normalization, query writing using SQL, and database and query optimization * Knowledge of developing cross-browser and cross-platform compatible solutions * Experience working with a relational database such as Microsoft SQL Server, Oracle * Experience debugging errors and ability to analyze application errors logs on server or database * Knowledge of Dependency Injection and Inversion of Control * Ability to develop in Visual Studio with Azure DevOps * A solid understanding of the principles of GIT * Experience with Entity Framework Core (Preferred) * Ability to create attractive, highly user-friendly, reactive user interfaces using Bootstrap 5 and/or Material UI (Preferred) * Knowledge of Node Package Manager (NPM) and WebPack (Preferred) * Understanding of LESS or SASS (Preferred) * Ability to analyze application requirements * Understanding of Web Accessibility and be able to demonstrate work that conforms to accessibility guidelines * Ability to configure, troubleshoot, and optimize IIS installations/applications * Knowledge of emerging web technologies * CompTIA Security+ ## Related Videos - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Living Documentation That Can't Die](https://www.wearedevelopers.com/videos/2025-living-documentation-that-can-t-die) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [The Impact of AI on Game Development and the Industry](https://www.wearedevelopers.com/videos/100297-the-impact-of-ai-on-game-development-and-the-industry) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)