> Markdown version of [/jobs/ext/2705670-full-stack-net-developer-onsite-washington-dc](https://www.wearedevelopers.com/jobs/ext/2705670-full-stack-net-developer-onsite-washington-dc). 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). --- # Full Stack .NET Developer (onsite Washington, DC) - **Company:** Stellent IT LLC - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $65,200.0 - $101,950.0 - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Application Testing, Automation of Tests, Unit Testing, C Sharp (Programming Language), Code Review, Databases, Continuous Integration, Database Schema, Programming Tools, Web Development, Entity Framework, Design of User Interfaces, Microsoft SQL Server, Application Data, Software Deployment, Software Engineering, Software Systems, SQL Stored Procedures, SQL Databases, Systems Integration, Web Applications, Cloud Platform System, ReactJS, Software Application Programming, Gitlab, Git, Containerization, AngularJS, Front End Software Development, Restful APIs, Software Version Control, Docker, Service Stack, Web Api, Microservices - **Published:** September 4, 2026 - **Apply:** https://www.careerjet.com/jobad/usb7a0bc402785749629afda4c11fea8f9 ## About the Role * 7+ years of professional .NET/C# development experience, including significant experience developing web applications. * Strong hands-on experience with .NET 8 and Core Web API. * Strong experience developing modern applications using C#. * Strong experience with Angular 16 or later. * Strong experience with Entity Framework Core. * Strong experience with Microsoft SQL Server, including SQL queries, database schemas, and stored procedures. * Experience designing, developing, and integrating RESTful APIs. Preferred Qualifications * Experience designing or developing applications using microservices architectures. * Experience with container technologies such as Docker and Kubernetes., * 7+ years of professional .NET/C# development experience, including significant experience developing web applications. * Strong hands-on experience with .NET 8 and Core Web API. * Strong experience developing modern applications using C#. * Strong experience with Angular 16 or later. * Strong experience with Entity Framework Core. * Strong experience with Microsoft SQL Server, including SQL queries, database schemas, and stored procedures. * Experience designing, developing, and integrating RESTful APIs. * Experience with Git-based source control and development workflows. * Experience working within Agile software development teams. * Strong analytical, troubleshooting, and problem-solving skills. * Ability to independently manage multiple priorities and development assignments. * Ability to quickly learn and adapt to new technologies and technical environments. * U.S. Citizenship is required. * Ability to work full-time onsite in Washington, DC is required., * Experience designing or developing applications using microservices architectures. * Experience with container technologies such as Docker and Kubernetes. * Experience implementing applications or services within a cloud platform. * Strong experience with unit testing frameworks and automated testing practices. * Experience working with enterprise CI/CD pipelines and automated application deployment. ## Description Client is seeking an experienced Senior Full Stack .NET Developer to support a high-profile federal financial services environment in Washington, DC. This role will contribute across the full application development lifecycle, building and maintaining enterprise web applications using a modern Microsoft and Angular technology stack. The ideal candidate brings deep hands-on experience with .NET 8, C#, Core Web API, Angular 16+, Entity Framework Core, and SQL Server and is comfortable working across database, API, service, and front-end layers. This individual will collaborate closely with developers, QA engineers, business analysts, and other stakeholders within a fast-paced Agile development environment. Key Responsibilities * Design, develop, enhance, and maintain components across the full application technology stack. * Develop enterprise web applications using C#, .NET 8, Core, and Angular. * Design and maintain SQL Server database schemas, stored procedures, and efficient SQL queries. * Develop secure, scalable RESTful APIs and application/service integrations. * Build responsive and intuitive user interfaces using Angular 16 or later. * Use Entity Framework Core to support application data access and persistence. * Write clean, maintainable, reusable, and well-tested application code. * Troubleshoot and resolve complex technical issues spanning front-end, application, API, and database layers. * Participate in peer code reviews, application testing, troubleshooting, and deployment activities. * Collaborate with developers, QA engineers, business analysts, and other stakeholders to translate requirements into effective software solutions. * Follow established source control and CI/CD practices using Git, GitLab, and related development tools. * Participate actively in Agile development activities and contribute to continuous improvement of development practices., Overview: The. NET/React Developer will play a critical role in the design, development, and maintenance of enterprise-grade web applications and services. 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