Senior Dotnet Developer

IS3 Solutions; Wilmington (DE); On-site; USD 120,000 - 180,000; Full time

Job summary

IS3 Solutions is seeking an experienced software engineer to design, develop, test, and support enterprise applications and cloud-native solutions using .NET, C#, Angular/React, SQL Server, and Azure services.

You will build scalable, secure systems leveraging Azure App Services, Functions, API Management, Service Bus, and CI/CD pipelines, while embracing AI-assisted engineering tools and modern development practices.

Qualifications

• 5+ years (SE2) or 8+ years (SE3) of software engineering experience with strong Azure cloud implementation experience.

Responsibilities

• Design, develop, test, and support enterprise applications, APIs, integrations, and cloud-native solutions using modern .NET, C#, Angular/React, SQL Server, and Azure services.
• Build scalable, secure, and resilient solutions leveraging Azure App Services, Functions, API Management, Service Bus, Azure SQL, monitoring, and CI/CD pipelines.
• Hands‑on experience with AI‑assisted software engineering, including tools such as GitHub Copilot, Azure AI Foundry/OpenAI, prompt engineering, AI‑enabled testing, code generation, debugging, and developer productivity workflows.
• Collaborate with architects, product owners, and engineering teams to translate business requirements into technical solutions and production‑ready implementations.
• Implement automated testing, observability, security controls, and operational best practices across the SDLC.
• Participate in code reviews, root cause analysis, production support, modernization efforts, and continuous improvement initiatives.

Tools

.NET

C#

Angular/React

SQL Server

Azure services

GitHub Copilot

Azure AI Foundry/OpenAI

Job description

• Design, develop, test, and support enterprise applications, APIs, integrations, and cloud-native solutions using modern .NET, C#, Angular/React, SQL Server, and Azure services.
• Build scalable, secure, and resilient solutions leveraging Azure App Services, Functions, API Management, Service Bus, Azure SQL, monitoring, and CI/CD pipelines.
• Hands‑on experience with AI‑assisted software engineering, including tools such as GitHub Copilot, Azure AI Foundry/OpenAI, prompt engineering, AI‑enabled testing, code generation, debugging, and developer productivity workflows.
• Collaborate with architects, product owners, and engineering teams to translate business requirements into technical solutions and production‑ready implementations.
• Implement automated testing, observability, security controls, and operational best practices across the SDLC.
• Participate in code reviews, root cause analysis, production support, modernization efforts, and continuous improvement initiatives.
• Required:
• 5+ years (SE2) or 8+ years (SE3) of software engineering experience with strong Azure cloud implementation experience.