Senior .NET Developer - Ancillary Products

Job#: 3051325

Job Description:

Senior .NET Developer - Ancillary Products

Location: Chicago, Illinois (Onsite)

Role Overview

An experienced .NET Developer is sought to design, build, and enhance applications using the Microsoft .NET framework. This role involves developing new software solutions, improving existing systems, and collaborating with cross-functional teams throughout the full software development lifecycle.

Key Responsibilities

• Participate in requirements analysis and solution design.
• Collaborate with internal teams on application architecture and technical design.
• Develop clean, scalable, and maintainable code using .NET technologies.
• Test, deploy, refactor, and debug applications.
• Enhance and modernize existing software solutions.
• Create and maintain technical documentation throughout the software development lifecycle.
• Serve as a subject matter expert and provide technical support as needed.

Required Qualifications

• Proven experience as a .NET Developer with strong knowledge of ASP.NET and C#.
• Strong AWS experience.
• Expertise in application architecture and design.
• Experience with DevOps, CI/CD, and deployment processes.
• Knowledge of testing and quality engineering best practices.
• Familiarity with SQL Server and design/architectural patterns such as MVC.
• Understanding of RESTful APIs and integration patterns.
• Working knowledge of HTML5 and CSS3.
• Experience working in Agile/Scrum environments.

Preferred Qualifications

• Security awareness.
• Experience with performance tuning and profiling.
• Knowledge of cost optimization within AWS.

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 https://www.apexsystems.com/privacy-policy

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 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

Employee Type:

Contract

Location:

Chicago, IL, US

Job Type:

Date Posted:

September 18, 2026

Pay Range:

$80 - $85 per hour

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