What are the responsibilities and job description for the Senior Software Engineer position at Capstone IT?
Job Overview
We are hiring a Senior Full Stack Developer (.NET / React) for a long-term onsite contract role in Omaha, NE. This position is ideal for an experienced developer skilled in React, TypeScript, ASP.NET Core, and SQL Server who enjoys building scalable, enterprise-level web applications.
This role focuses on developing modern applications using a React front-end and .NET Core backend, working across the full software development lifecycle.
Key Responsibilities
- Develop and maintain full stack web applications using React.js and ASP.NET Core
- Build responsive user interfaces with React, TypeScript, HTML, and CSS
- Design and develop RESTful APIs using .NET Core / ASP.NET Core
- Work with Entity Framework for data access and ORM functionality
- Write and optimize SQL Server queries, stored procedures, and database performance
- Collaborate with cross-functional teams including QA, product, and engineering
- Troubleshoot, debug, and improve application performance
- Follow best practices for clean code, scalability, and maintainability
Required Skills
- React Developer experience with strong knowledge of TypeScript
- .NET Developer experience with ASP.NET Core / .NET Core
- Strong Full Stack Development experience
- Proficiency in HTML5, CSS3, and responsive web design
- Experience with Entity Framework (ORM)
- Strong SQL Server / T-SQL skills (queries, joins, stored procedures)
- Experience building REST APIs / Web Services
Preferred Skills
- Experience in enterprise application development
- Familiarity with Agile / Scrum environments
- Experience with performance optimization (frontend & backend)
Why Apply?
- Long-term 12 month contract stability
- Opportunity to work on enterprise-level applications
- Immediate interview process with quick hiring timeline
- High-impact role with modern tech stack (React .NET Core)