Full Stack Application Engineer

Apex Systems

📍 Schaumburg, Illinois, United States

Contract Computer Occupations Posted June 16, 2026

Job Description

Job#: 3036665

Job Description:

Full Stack Application Engineer

Work Type: 3-month contract to hire

Location: Schaumburg, Illinois

Schedule: Hybrid

Role Overview

We are seeking a Full-Stack Application Developer to join our team. This role is responsible for designing, developing, enhancing, and maintaining core business applications. The position involves a primary focus on backend development with significant frontend responsibilities, supporting and evolving the application portfolio and implementing new business capabilities.

Key Responsibilities
  • Design, develop, and maintain full-stack applications using .NET / .NET Core, C#, RESTful APIs, and modern UI frameworks (Angular, React, Vue, Aurelia, Node, etc).
  • Maintain and enhance existing applications, frameworks, and shared libraries.
  • Design and implement new features aligned with business processes and workflows.
  • Troubleshoot productio...