Full Stack Engineer — C#/.NET & React, Hybrid, 12-Mo Contract

Planet Group; Madison (WI); Hybrid; USD 90,000 - 117,000; Full time

Job summary

Planet Group in Sun Prairie, WI seeks an experienced Full Stack Developer with C#/.NET and React to support enterprise modernization projects. This 12-month contract offers hybrid work and a 40-hour week, with video then in-person interviews.

You will design and implement full stack features, integrate REST and GraphQL APIs, and collaborate with backend teams in an Agile environment to deliver scalable, user-focused applications.

Qualifications

• 5+ years of professional web application development experience.
• 4+ years of hands-on experience with C#/.NET development.
• Strong experience building applications with React, JavaScript, and TypeScript.
• Experience integrating RESTful and GraphQL APIs.

Responsibilities

• Design, develop, and maintain full stack applications using React and C#/.NET technologies.
• Build and enhance front-end features and reusable UI components using modern React practices.
• Collaborate closely with backend developers to integrate RESTful and GraphQL APIs.
• Develop responsive, accessible, and high-performing web applications.
• Participate in architecture discussions, sprint planning, code reviews, and technical design sessions.
• Troubleshoot, debug, and resolve application issues across the technology stack.
• Contribute to frontend best practices, testing strategies, and component libraries.
• Support ongoing modernization and migration initiatives within enterprise application environments.

Skills

React

C#/.NET

JavaScript

TypeScript

REST APIs

GraphQL APIs

UI Architecture

Problem Solving

Team Collaboration

Tools

Azure

CI/CD

Git

Job description

Planet Group in Sun Prairie, WI seeks an experienced Full Stack Developer with C#/.NET and React to support enterprise modernization projects. This 12-month contract offers hybrid work and a 40-hour week, with video then in-person interviews.

You will design and implement full stack features, integrate REST and GraphQL APIs, and collaborate with backend teams in an Agile environment to deliver scalable, user-focused applications.