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Sr .Net Developer

Job in Vienna, Fairfax County, Virginia, 22184, USA
Listing for: eSolutionsFirst, LLC
Full Time position
Listed on 2026-08-22
Job specializations:
  • Software Development
    Azure, .NET Developer, Backend Developer
Salary/Wage Range or Industry Benchmark: 140000 - 190000 USD Yearly USD 140000.00 190000.00 YEAR
Job Description & How to Apply Below

Role: .Net Developer (AI Enablement)

Duration ::
Contract

Location:
Vienna, VA

Required skills :

12+ years of software development experience.

  • Deepexpertisein Azure-native architectures:
    Azure Function Apps (isolated worker model), Azure SQL, Azure Service Bus, Azure AD / MSAL (OAuth2/OIDC)
  • Strong C# .NET 8 — Azure Functions, Entity Framework Core,xUnittesting, REST API design
  • Strong React / Type Script / Next.js 15 — App Router, RTK Query, Tailwind CSS,component library patterns
  • Azure SQL / SQL Server schema design — SSDT projects, query optimization, multi-tenant schema isolation
  • Experience integrating with ERP systems (Microsoft Dynamics NAV / Business Central strongly preferred)
  • Proven experience designing real-time systems (SignalR,Web Sockets, or equivalent)
  • OpenAPI/Swagger specification authoring and API contract-first development

AI & Tooling

  • Hands-on experience with Claude Code, Git Hub Copilot, or equivalent AI coding assistants in production development workflows
  • Demonstrated ability to prompt LLMs effectively using structured specifications and to critically evaluate generated output
  • Familiarity with AI-assisted test generation and automated code review tooling

Architecture & Process

  • Track record delivering complex, multi-module web applications end-to-end
  • Experience with message-driven integration patterns (Azure Service Bus, event-driven architecture, dead-letter handling)
  • Security-conscious mindset: OWASP Top 10 familiarity, managed identity patterns, Azure Key Vault
  • Observability and monitoring:
    Application Insights instrumentation, custom metrics, alerting design

Preferred Qualifications

  • Experience in food production,logistics, or warehouse management systems
  • Familiarity with

    Teklynx

    Sentinel, Zebra label printing APIs, or industrial hardware integration
  • Experience with the DEP (Data Exchange Platform) or similar NAV middleware patterns
  • Contributions to or opinions on AI coding tool evaluation and team adoption playbooks
  • Azure certifications (AZ-204, AZ-305 or equivalent)
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