Java Full Stack Developer

# Senior Java Full Stack DeveloperApply**Job#: 3044668****Job Description:**Senior Java Full Stack Developer**Location:** Pennington, New Jersey (Onsite)Role OverviewThis position supports a strategic initiative to modernize a Market-Linked Investments trading platform across Equity, Currency, Commodity, and Rates-Linked Notes. As part of the Wealth Management Trading Technology team, this role focuses on building scalable, resilient platforms using innovative technologies to support growing business demands. The ideal candidate is an experienced developer who thrives in complex, high-performance trading environments.Key Responsibilities* Design, develop, and deliver complex end-to-end solutions using React/Angular, Node.js, Java, and relational databases.* Utilize J2EE technologies and frameworks, including Spring (Core, MVC, Boot), JDBC, JMS, and SOAP/RESTful APIs for enterprise system integrations.* Work with Message-Oriented Middleware (Kafka, JMS, MQ) and event-driven architectures.* Implement microservices architectures, with exposure to cloud platforms, CI/CD pipelines, and containerization (Docker, Kubernetes).* Participate in and influence architecture and future design decisions.* Ensure high availability, scalability, and reliability of applications through effective logging, caching, transaction management, multi-threading, and performance tuning.* Ensure software solutions meet functional, non-functional, security, and compliance requirements.* Collaborate with cross-functional teams, participating in code and design reviews.* Design and develop RESTful services, backend components, and UI features, including unit and integration tests.* Translate business and architectural requirements into detailed technical tasks.* Produce and maintain design documentation, ensuring usability, scalability, and performance standards are met.* Work within Agile/Scrum teams to ensure timely software delivery.Required Qualifications**Experience:** Over 10 years of hands-on experience as a Software Developer specializing in J2EE technologies. Proven full-stack development experience is required. The candidate should be capable of working independently with minimal supervision.**Technical Skills:** ReactJS, Core Java, MS SQL Server, Spring (Core, MVC, Boot), JDBC, JMS, SOAP/RESTful APIs, Message-Oriented Middleware (Kafka, JMS, MQ), and SDLC knowledge.Preferred Qualifications* Exposure to the Wealth Management domain with knowledge of Fixed Income trading flows.* Exposure to the Global Markets or Investment Banking domain with knowledge of Fixed Income trading flows. *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:** Pennington, NJ, US**Job Type:****Date Posted:** July 31, 2026**Pay Range:** $63 - $68 per hour #J-18808-Ljbffr