Full Stack Developer - Sr
Apex Systems Inc
- Full Stack Developer - SrApply**Job#: 3043877****Job Description:**Full Stack Developer - Sr**Location:** Downey, California (Partial Remote) - ONSITE 1 Day per weekRole OverviewWe are seeking a Senior Full Stack Developer to join an application development team. This role involves building custom workflow applications with unique user interfaces and back-end processes. The position requires developing and maintaining systems that integrate with various other platforms, gathering requirements, and ensuring the host systems can support the necessary information architecture. The candidate will be involved in building out back-end databases, middleware components, web services, and front-end interfaces.Key Responsibilities* Develop and maintain custom applications, including back-end databases (SQL Server), stored procedures, and middleware using C#/.NET.* Build and manage web services for internal and external client use.* Design and implement front-end UI interfaces and applications.* Contribute to database migration projects, including scripting and executing migration patterns from one database version (SQL Server) to another.* Write clean, maintainable, and high-quality code for both front-end and back-end components.* Diagnose and resolve issues across the full application stack.* Gather requirements and build systems to meet specific workflow and documentation needs.Required Qualifications**Education:** A bachelor's degree in computer science or a related field is required.**Experience:** A minimum of five years of related professional experience is required.**Technical Skills:*** SQL Server with moderate database administration-adjacent skills.* .NET Core and ASP.NET MVC framework.* Proficiency in C#, JavaScript, and jQuery.* Experience with Web API, JSON, and Bootstrap for responsive UI design.* Familiarity with Object-Relational Mapping (ORM) and version control systems such as Git or SVN.* Knowledge of tools such as Visual Studio, SQL Client Tools, SoapUI, IIS, and Postman.**Soft Skills:*** A collaborative, team-player mindset with an eagerness to share knowledge.* Strong documentation and timely communication skills.* Flexibility and the ability to estimate the level of effort for tasks.Preferred Qualifications* A master's degree is a plus.* A DBA Certificate is a plus.* Experience with Microsoft Azure development.* Experience with AI integrations. *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 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 View email address on click.appcast.io 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.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Location:** Downey, CA, US**Job Type:****Date Posted:** July 27, 2026**Pay Range:** $60 - $65 per hour
- J-18808-Ljbffr Apex Systems
Vacancy posted 5 days ago
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