[Remote] Principal Data & .NET Engineer, Analytics and AI / LLM

Note: The job is a remote job and is open to candidates in USA. Blackbaud is a remote-first company dedicated to building impactful software solutions. They are seeking a Principal Data & .NET Engineer to lead the design and development of modern web applications, data pipelines, and AI-powered systems, collaborating with cross-functional teams to drive innovation and operational excellence. Responsibilities • Design and develop full-stack applications using .NET, C#, Angular, and modern web technologies (JavaScript/TypeScript, HTML, CSS). • Build scalable backend services and APIs, integrating with databases and cloud platforms. • Lead end-to-end delivery of high-quality software solutions, ensuring performance, security, and maintainability. • Conduct code reviews, mentor engineers, and enforce coding standards and best practices. • Integrate data from multiple sources and curate datasets for reporting, dashboards, and AI applications. • Participate in data modeling efforts involving multiple data sources with dependencies across enterprise data models. • Develop and embed reporting capabilities using tools like Power BI. • Write and optimize DAX expressions; manage and refactor Power BI source queries to align with evolving data architecture. • Ensure data governance, security, and compliance with privacy regulations. • Build and maintain LLM pipelines including prompt engineering, fine-tuning, and Retrieval-Augmented Generation (RAG). • Integrate with APIs from providers like OpenAI and manage vector databases. • Debug and evaluate natural language queries translated to SQL, especially in AI-powered tools like Copilot. • Identify and implement new capabilities to expand the functionality of AI assistants like Copilot. Skills • 10+ years of experience in software engineering, with strong full-stack development skills. • Experience in data engineering, including big data technologies (Spark, Databricks, Data Lake) and advanced knowledge of data analytics (Microsoft Fabric preferred) • Proficiency in C#, .NET Core, Python, and SQL; experience with cloud platforms (Azure preferred). • Experience with REST APIs, asynchronous messaging, and microservices. • Strong understanding of LLM concepts, including prompt engineering, fine-tuning, and RAG. • Familiarity with CI/CD pipelines, TDD, and Agile methodologies. • Microsoft Fabric Benefits • Medical, dental, and vision insurance • Remote-first workforce • 401(k) program with employer match • Flexible paid time off • Generous Parental Leave • Volunteer for vacation • Opportunities to connect to build community and belonging • Pet insurance, legal and identity protection • Tuition reimbursement program Company Overview • Blackbaud is a provider of software and services designed for non-profit organizations enabling them to build strong relationships and more. It was founded in 1981, and is headquartered in Charleston, South Carolina, USA, with a workforce of 1001-5000 employees. Its website is Company H1B Sponsorship • Blackbaud has a track record of offering H1B sponsorships, with 3 in 2025, 4 in 2024, 3 in 2023, 15 in 2022, 4 in 2021, 15 in 2020. Please note that this does not guarantee sponsorship for this specific role. Apply tot his job