> Markdown version of [/jobs/ext/4364813-senior-net-developer](https://www.wearedevelopers.com/jobs/ext/4364813-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:** Pennant Solutions Group - **Location:** Richmond, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, HTML5, Microsoft Azure, Microsoft Online Services, C Sharp (Programming Language), Cascading Style Sheets (CSS), Code Review, Information Systems, Continuous Integration, Database Applications, Software Design Patterns, DevOps, Document Management Systems, JSON, Microsoft Software, Microsoft SQL Server, Office Automation, Proprietary Software, Query Optimization, Cloud Services, Secure Coding, Microsoft SharePoint, Software Engineering, Systems Integration, Transact-SQL, TypeScript, Web Services, Web Standards, Data Server Interface, Enterprise Software Applications, Retrieval-Augmented Generation, Large Language Models, Prompt Engineering, Generative AI, Agentic-AI, Git, Information Technology, Graphql, Data Management, Api Design, Restful APIs, Legacy Systems - **Published:** October 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=38e5cb4fc3998bf6 ## About the Role * Experience: 5+ years of hands-on professional software development experience across the Microsoft technology stack; 2-3 years of direct experience integrating or developing AI-enabled and Generative AI solutions is strongly preferred. * Microsoft Stack Proficiency: Advanced expertise in C#, .NET / ASP.NET Core, and Microsoft SQL Server (T-SQL, schema design, query optimization, and troubleshooting). * Web & API Development: Strong proficiency with modern web standards (JavaScript/TypeScript, HTML5, CSS3, JSON) and designing RESTful APIs and web services. * AI & Data Capabilities: Demonstrated practical experience leveraging LLMs, Generative AI services, RAG architectures, prompt engineering, or predictive analytics. * DevOps & Architecture: Practical knowledge of Azure DevOps, Git version control, CI/CD pipelines, secure coding practices, and modern software design patterns. * Education: Bachelor's degree in Computer Science, Information Systems, or a related field (or equivalent practical experience). * Communication & Problem-Solving: Exceptional interpersonal and communication skills with a proven track record of bridging technical solutions with business goals in professional services, legal, healthcare, or corporate environments. ## Description Operating in a collaborative, hybrid work environment (Tuesdays and Wednesdays in-office), you will partner directly with business leaders to translate complex operational needs into scalable, secure, and data-driven applications. This is an exceptional opportunity for a skilled Microsoft-stack engineer passionate about integrating Generative AI, Large Language Models (LLMs), and enterprise analytics into core business operations., * Enterprise Software Engineering: Architect, build, test, and deploy robust web, desktop, and cloud solutions using C#, ASP.NET Core, and Microsoft SQL Server to support mission-critical workflows including Document Management, Billing, CRM, and Matter Management. * AI & Emerging Technologies: Design and implement next-generation AI-enabled applications, leveraging LLMs, AI agents, Generative AI APIs, and Retrieval-Augmented Generation (RAG) to automate workflows, build predictive analytics, and surface insights from enterprise Data Lakehouses. * Integration & Cloud Solutions: Develop secure, high-performance REST APIs and data interfaces to integrate internal platforms with third-party software, Microsoft 365 services (SharePoint Online, Graph API), and Microsoft Azure. * Technical Leadership: Serve as a technical lead across project lifecycles, establishing coding standards, mentoring development team members, leading code reviews, and evaluating AI-assisted developer productivity tools. * Stakeholder Collaboration: Partner directly with internal stakeholders, business analysts, and vendors to gather requirements, deliver custom tools (including Power Platform and Office automation), and modernize legacy systems.