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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # NET C# Developer - **Company:** Cayuse Holdings - **Location:** Washington, DC, United States - **Experience:** Experienced - **Salary:** $145,000.0 - $151,258.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, ASP.NET, Microsoft Word, .NET Framework, Microsoft Excel, Adobe Acrobat, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Architectural Patterns, JIRA, Unit Testing, Microsoft Azure, Software Bug Management, C Sharp (Programming Language), Cloud Computing, Static Program Analysis, Software Quality, Code Review, Databases, Continuous Integration, Entity Framework, Microsoft SQL Server, Office Suite, Performance Tuning, Microsoft PowerPoint, Scrum Methodology, Productivity Software, Systems Development Life Cycle, Regression Testing, Cloud Services, Secure Coding, Software Engineering, Software Systems, SQL Stored Procedures, Systems Integration, Software Vulnerability Management, Web Applications, Gitlab, Git, Adobe, Git Flow, Integration Tests, Information Technology, Front End Software Development, Software Coding, Software Version Control, Devsecops, Vulnerability Analysis - **Published:** June 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f0c8abc740b945f5 ## About the Role Do you have experience in Productivity software?, * Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field; + OR equivalent experience (e.g., 8+ years of relevant professional software development experience in lieu of a degree). * 3-5 years of professional experience designing and developing software using C# and the .NET framework. * Hands-on experience with ASP.NET, Entity Framework, and SQL Server (queries, stored procedures, performance considerations). * Familiarity with architectural patterns and API styles, including REST and RPC. * Experience writing and executing unit tests and performing integration testing within a structured SDLC. * Understanding of secure coding practices and a willingness to follow guidance for vulnerability remediation and security hardening. * Demonstrated ability to collaborate with cross-functional teams (e.g., product owners, testers, designers, operations teams) and translate functional requirements into well-defined technical tasks. * Active Top Secret Security Clearance is required. * Must be able to pass a background check. May require additional background checks as required by projects and/or clients at any time during employment. Minimum Skills Required: * Excellent problem-solving and analytical skills. * Strong communication and interpersonal skills. * Ability to respond effectively to customers with a sense of urgency. * Proficient in Microsoft and Adobe toolsets, including Excel, Word, PowerPoint, Acrobat, etc. * Highly motivated with the ability to handle and manage multiple tasks at any one time. * Ability to forge new relationships, individual and teaming in nature. * Must be a Self-starter, that can work independently and as part of a team., * Experience working in a federal government or regulated environment. * Familiarity with DevSecOps practices, CI/CD pipelines, and automated build/test tools. * Experience with cloud platforms (e.g., Azure, AWS, or similar) and integrating .NET applications with cloud services. * Exposure to Agile methodologies (Scrum, Kanban) and related tools (e.g., Jira, Azure DevOps). * Experience with static code analysis and vulnerability scanning tools., * Professional office environment with the ability to work on-site. * Must be physically and mentally able to perform duties extended periods of time. * Ability to use a computer and other office productivity tools with sufficient speed to meet the demands of this position. * Must be able to establish a productive and professional workspace. * Must be able to sit for long periods of time looking at computer screen. * May be asked to work a flexible schedule which may include holidays. * May be asked to travel for business or professional development purposes. * May be asked to work hours outside of normal business hours. ## Description The C# .NET Developer will contribute to the development, enhancement, and maintenance of web applications and services that enable mission-critical operations in a federal environment. This role will work hands-on with the .NET framework and associated technologies to build clean, efficient, and reliable back-end components that integrate seamlessly with front-end and cloud-based systems. You will collaborate closely with senior developers, architects, designers, product owners, and other cross-functional stakeholders to deliver high-quality software solutions that adhere to best practices, coding standards, and security requirements. This position aligns with Cayuse's core values of Innovation, Excellence, Collaboration, Adaptability, and Integrity by fostering technical solutions that meet customer needs, promoting teamwork, and prioritizing quality in deliverables. * Design, develop, test, and maintain application features using C#, ASP.NET, Entity Framework, and SQL Server. * Modify and enhance existing application code to improve performance, functionality, and maintainability. * Integrate third-party components, services, and APIs (e.g., REST/RPC-based) as needed. * Participate in the full software development lifecycle (SDLC), including planning, requirements analysis, implementation, testing, deployment, and operations support. * Collaborate with senior developers and architects to implement technical designs and follow established architectural patterns, coding standards, and design guidelines. * Write clean, scalable, and maintainable code aligned with team guidelines, industry best practices, and security standards. * Develop and execute unit tests and integration tests to validate functionality, ensure code quality, and support regression testing. * Troubleshoot and resolve technical issues, defects, and performance bottlenecks, including database and service-level performance. * Use Git/GitLab for source control, branching strategies, code reviews, and collaborative development workflows. * Support operations and maintenance (O&M) activities, including minor enhancements, bug fixes, performance tuning, and production support as needed. * Participate actively in code reviews and incorporate feedback from senior engineers to continuously improve code quality and your technical proficiency. * Assist in remediating code and package vulnerabilities identified through automated scans and security reviews, following secure coding guidance and direction from senior team members. * Other duties as assigned. ## Related Videos - [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) - [3x Performance: A Humbling Journey](https://www.wearedevelopers.com/videos/100165-3x-performance-a-humbling-journey) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [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) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [NoCode LiveCode: Leveraging AI Tools to Craft Fully Functional Apps!](https://www.wearedevelopers.com/videos/1169-nocode-livecode-leveraging-ai-tools-to-craft-fully-functional-apps) ## Related Articles - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [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) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)