Senior Full-Stack Microsoft Developer

Full-Stack Microsoft Developer

Location: Fully Remote

Type: Contract-to-Hire

Conversion Salary: $120,000 – $145,000

Overview

We are seeking an experienced Full-Stack Microsoft Developer to support the continued development, enhancement, and integration of core web applications and enterprise systems. This is a hands-on technical role focused on building scalable, AI-enhanced web solutions on Microsoft Azure, developing API-driven applications with PostgreSQL, and supporting NetSuite ERP integrations through Celigo.

This role is fully remote and structured as a contract-to-hire opportunity. The ideal candidate brings strong Microsoft development experience, cloud architecture skills, and direct experience integrating NetSuite using Celigo.

Key Responsibilities

Full-Stack Application Development

• Design, develop, and maintain full-stack web applications using Microsoft technologies, including .NET 6/8, C#, ASP.NET Core, and Blazor or React with a .NET backend

• Build scalable, secure, and high-performing applications hosted on Microsoft Azure

• Develop and enhance AI-enabled web features such as chatbots, intelligent search, content generation, recommendation engines, or automation tools

• Troubleshoot, debug, and resolve production issues across frontend, backend, database, API, and integration layers

• Document technical designs, API specifications, application workflows, and integration patterns

Azure Cloud & DevOps

• Architect and deploy cloud-based solutions using Azure App Services, Azure Functions, Azure SQL/PostgreSQL Flexible Server, Key Vault, Azure AD B2C, and Application Insights

• Support DevOps and CI/CD practices using Azure DevOps or GitHub Actions

• Provide input on cloud architecture, code quality, deployment standards, and cost optimization

• Implement secure authentication and authorization patterns using Azure AD, OAuth2, JWT, and API security best practices

PostgreSQL & API Development

• Develop and optimize RESTful and GraphQL APIs with PostgreSQL as the primary database

• Design efficient database schemas, queries, indexes, stored procedures, and data access patterns

• Use Entity Framework Core, Dapper, and advanced SQL techniques to improve application performance and reliability

• Support data modeling, backend services, and integration workflows that connect business-critical applications

NetSuite & Celigo Integrations

• Design, implement, and maintain bi-directional integrations between custom applications and NetSuite ERP using Celigo Integrator.io

• Build and manage real-time and batch data syncs, custom flows, transformation logic, and error-handling frameworks

• Partner with internal business and technical stakeholders to improve data flow, process automation, and system reliability

• Support integration documentation, testing, monitoring, and issue resolution

Required Qualifications

• 5+ years of hands-on full-stack development experience within the Microsoft .NET ecosystem

• Strong experience with .NET 6/8, C#, ASP.NET Core, and modern frontend development

• Hands-on Azure Cloud architecture and deployment experience

• Experience building AI-enhanced web applications or AI-enabled application features

• Advanced PostgreSQL experience, including database design, API development, performance tuning, and query optimization

• Experience developing RESTful and GraphQL APIs

• Direct experience integrating NetSuite ERP using Celigo Integrator.io

• Strong understanding of secure authentication, API security, data privacy, and cloud security best practices

• Experience with CI/CD tools such as Azure DevOps or GitHub Actions

• Strong communication skills with the ability to work independently in a remote, contract-to-hire environment

Preferred Qualifications

• Azure certifications such as AZ-204, AZ-400, or similar

• Experience with Blazor WebAssembly, Blazor Server, React, or TypeScript

• Familiarity with microservices, event-driven architecture, Azure Event Grid, or Azure Service Bus

• Experience with NetSuite SuiteScript or advanced Celigo mapping and transformations

• Exposure to additional ERP or CRM platforms such as Salesforce or Microsoft Dynamics 365

• Previous consulting, senior developer, solution architecture, or fractional technical leadership experience