Full Stack Application Engineer

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 production issues and provide ongoing application support.
• Ensure compliance with security, performance, and architectural standards.
• Contribute to modernization initiatives, including framework evolution and technical debt reduction.
• Collaborate with cross-functional teams to define, design, and deliver solutions.
• Participate in code reviews, testing, CI/CD, and deployment processes.

Required Qualifications

Core Backend:

• Experience with .NET / .NET Core and C#.
• Hands-on experience with Entity Framework Core (EF Core) and ORM best practices.
• Experience designing and developing RESTful APIs and microservices architectures.
• Understanding of object-oriented programming (OOP), design patterns, and clean architecture principles.
• Experience with SQL Server or other relational databases, including query optimization.
• Familiarity with authentication and authorization mechanisms such as OAuth or JWT.

Frontend & UI Development:

• Experience with modern JavaScript frameworks such as Angular, React, or Vue. Angular experience is strongly preferred.
• Proficiency in TypeScript, JavaScript (ES6+), HTML5, and CSS3.
• Experience building component-based UI architectures.
• Familiarity with UI libraries like Angular Material or Bootstrap.

Modern Engineering Practices:

• Experience using Git and collaborative workflows like GitHub or Azure DevOps.
• Familiarity with CI/CD pipelines.
• Understanding of application performance, scalability, and monitoring.

Preferred Qualifications

• Experience with containerization (Docker) and cloud platforms (Azure preferred).
• Experience using or exposure to AI-assisted development tools such as GitHub Copilot.
• Experience with microservices and distributed systems.
• Knowledge of event-driven architectures.
• Familiarity with automated testing frameworks.
• Understanding of secure coding practices.
• Experience in insurance or underwriting systems.
• Exposure to legacy system modernization initiatives.

Work Environment

This position follows a hybrid work model, requiring on-site presence in the Schaumburg office.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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