Senior .NET Developer Lead

RarefiedIT • King of Prussia, PA

3d • Hybrid

About The Position

We are seeking a Senior .NET Developer Lead with 12-14 years of experience to drive enterprise-grade .NET solutions from concept to deployment. This role requires technical leadership and mentoring in a fast-paced Agile environment. You will be responsible for designing, developing, and delivering scalable .NET applications, modernizing legacy systems by migrating to .NET Core, and overseeing full-stack development using .NET Core with Angular/React. The position also involves leading the development of secure, cloud-native applications using .NET Core and Azure, database solution design with MS SQL, ETL process development with SSIS, and reporting solutions with SSRS. You will provide technical leadership, mentorship, and conduct code reviews.

Requirements

• 12+ years of professional experience as a Full Stack Developer.
• Strong hands-on experience with .NET Core / ASP.NET Core, C#, and Web API development.
• Proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3.
• Experience with SQL Server and relational database design.
• Strong understanding of object-oriented programming (OOP) and design patterns.
• Experience with RESTful services, microservices architecture, and cloud integration (Azure or AWS preferred).
• Familiarity with Agile/Scrum methodologies and DevOps practices (CI/CD pipelines, Git).
• Excellent problem-solving, analytical, and communication skills.
• Must be an individual contributor and should be able to handle a team.

Responsibilities

• Drive enterprise-grade .NET solutions from concept to deployment, providing technical leadership and mentoring in a fast-paced Agile environment.
• Design, development, and delivery of scalable .NET applications while guiding a development team and ensuring adherence to coding standards and architectural best practices.
• Modernize legacy systems by migrating applications from .NET Framework to .NET Core, aligning with modern design and cloud practices.
• Oversee full-stack development using .NET Core and Angular/React, ensuring high-performance web applications and seamless integration across layers.
• Lead the development of secure, cloud-native applications using .NET Core and Azure, while ensuring CI/CD and DevOps best practices.
• Lead database solution design and implementation with MS SQL, including complex query and stored procedure development.
• Oversee ETL process development and deployment using SSIS.
• Implement reporting solutions using SSRS to meet organizational requirements.
• Provide technical leadership, mentorship, and conduct code reviews to ensure adherence to architectural standards and best practices.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed