Demo

Senior .NET Developer

Raas Infotek LLC
York, NY Contractor
POSTED ON 4/30/2026
AVAILABLE BEFORE 5/30/2026

Job Title: Senior .NET Developer

Job Summary:

We are seeking an experienced Senior .NET Developer with over 12 years of hands-on experience in designing, developing, and maintaining scalable enterprise applications. The ideal candidate will have deep expertise in the Microsoft technology stack, strong problem-solving skills, and the ability to lead development initiatives while mentoring junior team members.

Key Responsibilities:

  • Design, develop, and maintain high-performance applications using .NET Framework / .NET Core / .NET 6
  • Lead end-to-end software development lifecycle (SDLC), including requirement analysis, design, development, testing, and deployment
  • Architect scalable, secure, and robust solutions for enterprise systems
  • Collaborate with cross-functional teams including business analysts, QA, and DevOps
  • Write clean, maintainable, and efficient code following best practices
  • Perform code reviews and provide technical guidance to junior developers
  • Optimize application performance and troubleshoot complex issues
  • Integrate third-party APIs and services
  • Ensure application security, compliance, and data protection standards
  • Participate in Agile/Scrum ceremonies and contribute to continuous improvement

Required Skills & Qualifications:

  • 12 years of experience in software development using C#, ASP.NET, .NET Core
  • Strong experience with Web API, MVC, and Microservices architecture
  • Expertise in SQL Server, database design, and performance tuning
  • Hands-on experience with Entity Framework / Dapper
  • Proficiency in front-end technologies such as JavaScript, Angular/React, HTML5, CSS3
  • Experience with RESTful APIs and Web Services
  • Knowledge of cloud platforms (Azure preferred)
  • Familiarity with CI/CD pipelines, DevOps practices, and tools like Azure DevOps, Jenkins
  • Strong understanding of design patterns, OOP concepts, and SOLID principles
  • Experience with version control systems (Git, TFS)

Preferred Qualifications:

  • Experience with Docker, Kubernetes, and containerization
  • Knowledge of event-driven architecture and messaging systems (Kafka, RabbitMQ)
  • Exposure to NoSQL databases (MongoDB, Cosmos DB)
  • Experience in unit testing frameworks (xUnit, NUnit, MSTest)
  • Prior experience in leading teams or technical mentoring

Education:

  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field

Soft Skills:

  • Strong leadership and communication skills
  • Excellent analytical and problem-solving abilities
  • Ability to work in a fast-paced, collaborative environment
  • Proactive and self-motivated with attention to detail

Salary : $60 - $70

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