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Lead .Net Full Stack Developer

eSolutionsFirst, LLCMcLean, VA🇺🇸United StatesPosted 25 Aug 2026

Why This Role Stands Out

As a .NET Architect at eSolutionsFirst, you'll have the opportunity to shape innovative, scalable solutions leveraging cutting-edge .NET and Azure technologies, with hybrid flexibility to support your work-life balance. This role is perfect for a seasoned architect passionate about technical leadership, mentorship, and driving best practices within a collaborative team environment. Embrace this chance to make a significant impact and advance your career in cloud architecture.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
McLean, VA, United States
Posted
3 days ago
Next.jsOWASPAzureC#CSS.NETRESTReactTailwind CSSTypeScriptVault

Job Description

Job Summary

7+ years of software development experience.

  • Strong coding experience in any of these languages (C# and .Net), Unit testing, REST API design
  • Strong React / TypeScript / Next.js 15 — App Router, RTK Query, Tailwind CSS, component library patterns
  • Experience integrating with ERP systems (Microsoft Dynamics NAV / Business Central strongly preferred)
  • Proven experience designing real-time systems (SignalR, WebSockets, or equivalent)
  • OpenAPI/Swagger specification authoring and API contract-first development

AI & Tooling

  • Hands-on experience with Claude Code, GitHub 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

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