DOT NET Developer

Jobtailor; Phoenix (AZ); On-site; USD 110,000 - 140,000; Full time

Job summary

Jobtailor in Phoenix, AZ is seeking an experienced Senior .NET Developer to design, build, and maintain enterprise web applications. You will work across the stack using C#, ASP.NET, .NET Core, React, and SQL Server to deliver scalable solutions.

You will write RESTful APIs, optimize performance, and collaborate with business users in an Agile environment, contributing to designs, tests, and documentation.

Qualifications

• 5+ years of C# / .NET development experience.
• Strong ASP.NET and .NET Core expertise.
• Expert SQL Server and T-SQL skills.
• Experience writing User Stories.
• Experience with RESTful APIs and web services.
• Proficient with Entity Framework.
• Strong JavaScript and TypeScript knowledge.
• Familiar with ReactJS (Hooks, Redux/Context API).
• Experience with SSIS is a plus.
• Experience with unit testing and test data.

Responsibilities

• Design, develop, test, debug, and maintain enterprise web applications.
• Develop scalable solutions using C#, ASP.NET, .NET Core, React, and SQL Server.
• Optimize SQL queries and improve application performance.
• Create technical specifications and design documentation.
• Develop RESTful APIs and integrate web services.
• Perform unit testing and maintain application quality.
• Work with business users to gather requirements and implement enhancements.
• Participate in Agile ceremonies and collaborate with cross-functional teams.

Skills

C# / .NET Development

ASP.NET & .NET Core

JavaScript / TypeScript

ReactJS (Hooks, Redux/Context API)

SQL Server / T-SQL

RESTful APIs / Web Services

Entity Framework

Unit Testing

SDLC / Agile

Performance optimization

Tools

SQL Server

T-SQL

Entity Framework

ReactJS

SSIS

RESTful API design

Job description

Responsibilities

• Design, develop, test, debug, and maintain enterprise web applications.
• Develop scalable solutions using C#, ASP.NET, .NET Core, React, and SQL Server.
• Optimize SQL queries and improve application performance.
• Create technical specifications and design documentation.
• Develop RESTful APIs and integrate web services.
• Perform unit testing and maintain application quality.
• Work with business users to gather requirements and implement enhancements.
• Participate in Agile ceremonies and collaborate with cross-functional teams.

Requirements

• 5+ years of experience with C# / .NET Development
• Strong experience with ASP.NET & .NET Core
• Expert‑level SQL Server and T‑SQL
• Experience writing User Stories
• Experience with RESTful APIs and Web Services
• Experience with Entity Framework
• Strong JavaScript and TypeScript
• Experience with ReactJS (Hooks, Redux/Context API)
• Experience with SSIS
• Unit Testing and Test Data Preparation
• Software Design Documentation
• Performance tuning, concurrency, and latency optimization
• Full Software Development Life Cycle (SDLC)