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Full Stack Microsoft Developer

GTN Technical Staffing

Marion, NC

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JOB DETAILS
SKILLS
ADO.NET Entity Framework, Application Programming Interface (API), Artificial Intelligence (AI), Authentication, Best Practices, C Programming Language, Cloud Applications, Cloud Architecture, Cloud Computing, Code Reviews, Communication Skills, Consulting, Continuous Deployment/Delivery, Continuous Integration, Conversation Engine, Cost Control, Customer Relationship Management (CRM), Database Design, Debugging Skills, DevOps, ERP (Enterprise Resource Planning), Ecosystems, Error Handling, GitHub, GraphQL, Identify Issues, Internet Application, Kernel Programming, Microservices, Microsoft .NET, Microsoft ASP.NET (Active Server Page), Microsoft C# (C Sharp), Microsoft Product Family, Microsoft Windows Azure, NetSuite, NetSuite ERP, OAuth, Performance Tuning/Optimization, PostgreSQL, Privacy Controls, Problem Solving Skills, REST (Representational State Transfer), React.js, SQL (Structured Query Language), Salesforce.com, Scalable System Development, Semantic Search, Technical Consulting, Technical Writing, Technical/Engineering Design, User Interface/Experience (UI/UX), eCommerce
LOCATION
Marion, NC
POSTED
30+ days ago
We are seeking an experienced Full-Stack Microsoft Developer for a part-time consulting engagement to support the continued development, enhancement, and integration of our core web applications and enterprise systems. This is a hands-on technical consulting role focused on building and maintaining scalable, AI-enhanced web solutions on Microsoft Azure, with deep PostgreSQL API development and NetSuite ERP integrations through Celigo.You will work directly with our internal engineering and business teams on a flexible schedule, delivering high-impact solutions without full-time overhead.Key Responsibilities
  • Design, develop, and maintain full-stack web applications using Microsoft technologies (.NET 6/8, C#, ASP.NET Core, Blazor or React with .NET backend).
  • Architect and deploy scalable solutions on Azure Cloud (App Services, Azure Functions, Azure SQL/PostgreSQL Flexible Server, Key Vault, Azure AD B2C, Application Insights, etc.).
  • Build and enhance AI-powered websites and features using Azure AI services (OpenAI, Azure Cognitive Services, Semantic Kernel, or custom ML models).
  • Develop and optimize RESTful/GraphQL APIs with PostgreSQL as the primary database, including Entity Framework Core, Dapper, advanced querying, indexing, and performance tuning.
  • Design, implement, and maintain bi-directional integrations between custom applications and NetSuite ERP using Celigo (Integrator.Io), including real-time and batch data syncs, custom flows, and error-handling frameworks.
  • Provide technical consulting on architecture, code reviews, DevOps/CI-CD pipelines (Azure DevOps or GitHub Actions), and cloud cost optimization.
  • Troubleshoot, debug, and resolve production issues across the full stack.
  • Document technical designs, API specifications, and integration patterns.
Required Qualifications
  • 5+ years of hands-on full-stack development experience with Microsoft technologies (.NET ecosystem).
  • Strong expertise in Azure Cloud services and architecture (certifications such as AZ-204 or AZ-400 a plus).
  • Proven experience building AI-enhanced web applications (chatbots, intelligent search, content generation, or recommendation engines).
  • Advanced experience with PostgreSQL database design, performance tuning, and API development (REST + GraphQL).
  • Direct, demonstrable experience integrating with NetSuite ERP using Celigo (Integrator.Io) —this is a hard requirement.
  • Solid understanding of secure authentication (Azure AD, OAuth2, JWT), API security, and data privacy best practices.
  • Strong communication skills and ability to work independently in a consulting capacity.
Preferred Experience
  • Previous consulting or fractional CTO-level work.
  • Experience with Blazor WebAssembly/Server or modern frontend frameworks (React + TypeScript).
  • Familiarity with microservices, event-driven architecture, and Azure Event Grid/Service Bus.
  • NetSuite SuiteScript or Celigo advanced mapping/transformations.
  • Exposure to additional ERP/CRM platforms (Salesforce, Dynamics 365) is a bonus.

About the Company

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GTN Technical Staffing