Senior .NET Full-Stack Lead — Hybrid (PA)

Astir IT Solutions, Inc.; King of Prussia (PA); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Astir IT Solutions, Inc. is seeking a Senior .NET full stack developer in King of Prussia, PA for an onsite role (3 days in office, 2 days remote).

The candidate will lead enterprise-grade .NET solutions, modernize legacy apps to .NET Core, and oversee full-stack development with Angular/React and cloud integration. We require 12+ years as a Full Stack Developer, strong .NET Core/C#, Web API, React, SQL Server, and deep knowledge of OOP, design patterns, and DevOps practices.

Qualifications

• 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 databases.

Responsibilities

• Drive enterprise-grade .NET solutions from concept to deployment with technical leadership.
• Design, develop, and deliver scalable .NET apps and guide a development team.
• Modernize legacy systems from .NET Framework to .NET Core and cloud practices.
• Oversee full-stack development using .NET Core and Angular/React across layers.
• Lead secure, cloud-native apps with .NET Core and Azure; ensure CI/CD and DevOps best practices.
• Lead database design and MS SQL development including complex queries.
• Oversee ETL with SSIS and reporting with SSRS.
• Provide mentorship, code reviews, and enforce architectural standards.

Skills

.NET Core / ASP.NET Core

C#

Web API

React.js

JavaScript ES6+

HTML5

CSS3

SQL Server

OOP / Design patterns

RESTful / Microservices

Azure / AWS

CI/CD / DevOps

Agile / Scrum

Git / Containers

Security

Job description

Astir IT Solutions, Inc. is seeking a Senior .NET full stack developer in King of Prussia, PA for an onsite role (3 days in office, 2 days remote).

The candidate will lead enterprise-grade .NET solutions, modernize legacy apps to .NET Core, and oversee full-stack development with Angular/React and cloud integration. We require 12+ years as a Full Stack Developer, strong .NET Core/C#, Web API, React, SQL Server, and deep knowledge of OOP, design patterns, and DevOps practices.