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.Net Software Engineer

eSolutionsFirst, LLCVienna, VA🇺🇸United StatesPosted 28 Aug 2026

Why This Role Stands Out

This hybrid .NET Software Engineer role offers a fantastic opportunity to lead the design and development of scalable enterprise applications, utilizing cutting-edge technologies and AI tools for code generation and review. You'll thrive here if you are a hands-on technical leader with deep expertise in .NET, React, and SQL, eager to mentor engineers and drive best practices within a reputable company. Apply now to contribute to impactful projects and advance your career in a collaborative environment.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Vienna, VA, United States
Posted
Yesterday
MicroservicesSQLAngularAzureC#.NETGraphQLReact

Job Description

Position: .Net Fullstack Developer

Duration: 12 Months with possible extension

Location: Vienna, VA

Position Summary

We are seeking a Senior Full Stack Engineer to lead the design, development, and delivery of scalable enterprise applications across frontend, backend, APIs, and data platforms. This role requires a hands-on technical leader who can architect complex systems, mentor engineers, drive best practices, and deliver high-quality solutions using .NET, React/Angular, and SQL technologies. Expertise in AI Assistant tools like Claude or Copilot for generating and reviewing codes.

Key Responsibilities

  • Architect, design, and develop scalable full-stack applications using .NET, Azure, and SQL.
  • Lead technical design discussions and establish engineering standards, patterns, and best practices.
  • Design secure, scalable, and high-performing RESTful and GraphQL APIs.
  • Optimize database architecture, data modeling, indexing strategies, and query performance.
  • Own end-to-end delivery of major features from requirements through production deployment.
  • Mentor engineers through code reviews, technical guidance, and knowledge sharing.
  • Collaborate with Product, Engineering, and DevOps teams to define roadmaps and technical solutions.
  • Drive cloud-native application development and microservices architecture.
  • Partner with DevOps teams on CI/CD, observability, monitoring, and platform reliability.
  • Lead troubleshooting, incident response, and production issue resolution.

Required Qualifications

  • 5+ years of software development experience
  • Deep expertise in C#, Core, Entity Framework, and microservices architecture.
  • Strong experience building large-scale React applications and modern frontend architectures.
  • Advanced knowledge of RESTful APIs, GraphQL, API security, versioning, and performance optimization.
  • Strong SQL expertise including query optimization, indexing, schema design, and performance tuning.

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