AI Full-Stack Software Developer

Jefferson Capital Systems, LLC; a Jefferson Capital, Inc. Company; Sartell (MN); On-site; USD 100,000 - 125,000; Full time

Benefits offered by this job

401(k)

Medical insurance

Dental insurance

Vision insurance

Parental leave

Job summary

Jefferson Capital Systems, LLC; a Jefferson Capital, Inc. Company in Minnesota seeks a senior software engineer to design, develop, and maintain modern full-stack applications using C#, .NET, ASP.NET Core, React, Angular, Blazor, and related technologies.

The role focuses on building secure APIs, AI-powered components, and scalable microservices, with collaboration across stakeholders to apply AI for efficiency and decision-making in distributed enterprise environments.

Qualifications

• 5+ years of professional software development experience using C# and the .NET platform.
• Experience with modern web apps using ASP.NET Core and front-end frameworks (React/Angular/Blazor).
• Knowledge of AI, ML concepts, LLMs, embeddings, and AI orchestration.

Responsibilities

• Design, develop, and maintain full-stack applications.
• Build reusable components, APIs, services, and AI-enabled features.
• Create secure REST APIs and microservices.
• Collaborate with stakeholders to apply AI for efficiency and decision-making.
• Develop AI-powered front-end experiences and integrate data sources.

Skills

C#

.NET

ASP.NET Core

React

Angular

Blazor

Azure OpenAI

Git

OOP

Education

Bachelor's degree in Computer Science or related field

Tools

Azure AI Services

OpenAI APIs

Cosmos DB

Kubernetes

Job description

Job Summary & Responsibilities

• Design, develop, and maintain modern full-stack applications using C#, .NET, ASP.NET Core, React, Angular, Blazor, and related technologies.
• Build reusable software components, APIs, services, and frameworks that accelerate enterprise application development.
• Develop and integrate Artificial Intelligence (AI) solutions, including Generative AI, Retrieval-Augmented Generation (RAG), machine learning services, and intelligent automation capabilities.
• Create secure and scalable REST APIs and microservices that support AI-powered business applications.
• Collaborate with business stakeholders, product owners, and cross-functional teams to identify opportunities where AI can improve operational efficiency, customer experiences, and decision‑making.
• Design and develop front‑end user experiences that incorporate conversational AI, intelligent recommendations, predictive analytics, and automation workflows.
• Integrate enterprise data sources with AI platforms, vector databases, and cloud-based AI services.
• Optimize application performance, scalability, reliability, and security across distributed systems.
• Participate in architecture reviews, code reviews, and technology evaluations.
• Develop and maintain CI/CD pipelines and deployment automation processes.
• Implement testing strategies, monitoring, logging, and observability for production applications.
• Stay current on emerging AI technologies, development frameworks, cloud services, and software engineering best practices.
• Contribute to enterprise AI governance, security, data privacy, and responsible AI initiatives.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience).
• 5+ years of professional software development experience using C# and the .NET platform.
• Strong experience developing modern web applications using ASP.NET Core, Web APIs, and front-end frameworks such as React, Angular, or Blazor.
• Experience designing reusable software components and enterprise application architectures.
• Knowledge of AI and machine learning concepts, including LLMs, prompt engineering, vector databases, embeddings, and AI orchestration frameworks.
• Experience integrating Azure OpenAI, Microsoft Copilot Studio, Azure AI Services, OpenAI APIs, Anthropic Claude APIs, or similar AI platforms.
• Strong understanding of relational and non-relational database technologies including SQL Server, PostgreSQL, Cosmos DB, or similar platforms.
• Experience with source control systems such as Git and collaborative development workflows.
• Understanding of object-oriented programming principles, software design patterns, and secure coding practices.
• Strong troubleshooting, analytical, and problem-solving capabilities.
• Self‑motivated, requires little direct supervision or assistance to complete tasks.
• Able to contribute to a team‑oriented, collaborative environment.
• Passionate about learning, embracing new technologies, and solving complex business challenges.

Preferred Qualifications

• Experience with Azure AI Foundry, Azure OpenAI, Microsoft Copilot Studio, Semantic Kernel, LangChain, or similar AI development frameworks.
• Experience developing Retrieval-Augmented Generation (RAG) solutions.
• Experience with Kubernetes, containers, and cloud‑native application architectures.
• Knowledge of DevOps practices, CI/CD pipelines, Infrastructure as Code, and GitHub Actions or Azure DevOps.
• Experience working with vector databases such as Pinecone, Azure AI Search, Weaviate, or Qdrant.
• Familiarity with MLOps concepts and machine learning deployment pipelines.
• Experience building AI agents, workflow automation, and autonomous business process solutions.
• Knowledge of information security, AI governance, and secure development lifecycle practices.
• Experience with financial services, collections, fintech, or other regulated industries.
• Microsoft Azure, AI, or cloud certifications are preferred.

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Disability insurance
• Employee assistance program
• Flexible spending accounts
• Health insurance
• Life insurance
• Paid time off
• Parental leave
• Tuition reimbursement
• Vision insurance
• Pet insurance
• Employee discount program.

Salary: $100000 - $125000 per year