Demo

Senior Full Stack Developer

Apex Systems
Jersey, NJ Full Time
POSTED ON 9/26/2026
AVAILABLE BEFORE 10/27/2026
Job#: 3053660

Job Description:
Senior Full Stack Developer

Location: Jersey City, NJ/Addison, TX (Hybrid)

Employment Type: Contract

Contract Duration: 12 Months

Role Overview

We are seeking a Senior Full Stack Developer with at least 10 years of experience, including work within the financial sector. The ideal candidate will possess strong communication and delivery skills. This role requires a working knowledge of GIT or similar source code repositories, as well as experience with continuous build and deployment strategies using Jenkins and Ansible.

Key Responsibilities
  • Contribute to story refinement and defining requirements.
  • Participate in and guide the team in estimating work necessary to realize a story or requirement through the delivery lifecycle.
  • Perform proof-of-concept work as necessary to mitigate risk or implement new ideas.
  • Code solutions and perform unit tests to deliver requirements per the defined acceptance criteria and compliance standards.
  • Utilize multiple architectural components (data, application, business) in the design and development of client requirements.
  • Assist the team with resolving technical complexities involved in realizing story work.
Required Qualifications

Experience: A minimum of 10 years of professional experience is required.

Technical Skills:
  • Core Java
  • Experience with web services development, including REST and SOAP interfaces.
  • Experience with relational and non-relational databases, including ETL processes (e.g., Informatica).
  • Experience with technologies such as JavaScript, Relational DBs (Oracle/SQL Server), ASP MVC, .Net Core, and WCF.
  • Experience building distributed, scalable complex services and robust microservices.
  • Proficiency with RedHat OpenShift.


Professional Skills:
  • Demonstrated analytical and problem-solving skills.
  • Organizational and communication skills.
  • A team-oriented individual who seeks input and involves others.
Preferred Qualifications
  • An individual with a demonstrated ability to get things done and make things happen; a person who is resourceful, seizes opportunities, and is an innovator.
  • Experience developing an understanding of stakeholder needs to help create and envision solutions.
  • Ability to analyze stakeholder processes to build efficiencies and improve software implementation.
  • Experience gathering and cataloging functional, non-functional, and technical requirements for stakeholder requests.
  • Ability to analyze functional and data requirements to determine software function and information storage.
  • Experience assisting users and development teams with application testing and troubleshooting.
  • Capability to identify, document, and troubleshoot application-related problems.
  • Experience documenting processes, procedures, and workflows associated with applications.
  • Experience creating and maintaining training materials for end-users.
  • Experience with JIRA tool and infrastructure.


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 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 or . 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.

Salary : $65 - $68

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