Application Programmer III

Job#: 3027501

Job Description:
Application Programmer III

Location: Jersey City, New Jersey (Onsite)

Employment Type: Contract

Contract Duration: 12 Months

Role Overview

We are seeking an Application Programmer to design, develop, and enhance backend services and user interface components. The role involves working with cross-functional teams to build and maintain RESTful APIs, microservices, and integration endpoints. This position requires participation in the full Agile software development lifecycle, from story refinement to deployment.

Key Responsibilities

• Design, develop, and enhance backend services using C#, .NET 8+, and ASP.NET Core.
• Build and maintain RESTful APIs, microservices, and integration endpoints.
• Implement data access logic using Entity Framework / EF Core and optimize SQL queries.
• Develop, modify, and maintain UI components using Angular and/or React.
• Write and maintain unit tests and integration tests as part of standard development.
• Execute and contribute to automated test suites, including regression and performance tests.
• Analyze testing reports, identify root causes for failures, and collaborate with QA to resolve issues.
• Participate in story refinement sessions to understand business and technical requirements.
• Engage in Agile ceremonies, including daily stand-ups, sprint planning, demos, and retrospectives.
• Document technical details related to development and system architecture.

Required Qualifications

Technical Skills:

• Expert-level .NET / C# development experience.
• Strong knowledge of ASP.NET Core / .NET 6+.
• Strong knowledge of Angular and/or ReactJS.
• Experience building and consuming REST APIs.
• Proficiency with Entity Framework / EF Core.
• Solid understanding of microservices architecture.
• Strong SQL Server skills, including queries, stored procedures, and performance tuning.
• Experience with unit testing frameworks such as xUnit, NUnit, or MSTest.

Preferred Qualifications

• Strong debugging, analytical, and problem-solving abilities.
• Excellent communication and collaboration skills to work effectively with cross-functional teams.
• Ability to work independently with minimal supervision.
• A strong ownership mindset and a high degree of accountability.
• Ability to thrive in a fast-paced, deadline-driven environment.

We are an equal opportunity employer and welcome applications from all qualified candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Apex uses a virtual recruiter as part of the application process. Click for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join 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 ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: 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. 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, 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. 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 Apex team member can provide.