Senior Full Stack Java Developer Jobs in Clifton, NJ

Job#: 3051511
Job Description:
Full Stack Java Developer
Location: Jersey City, NJ/ Addison TX (hybrid)
Duration: 12 months
Role Overview
We are seeking a skilled Mid-Level Full-Stack Developer with experience in building modern, scalable web applications. This role involves designing, developing, and maintaining full-stack features from user interface to data persistence. The objective is to ensure performance, security, and high-quality user experiences. The ideal candidate will have expertise in ReactJS for front-end development and Java for backend services, along with an understanding of databases, Kafka microservices, and cloud-native architectures.
Key Responsibilities

• Design, develop, and maintain full-stack features from user interface to data persistence.
• Build modern, scalable web applications using ReactJS for front-end development.
• Develop RESTful APIs and backend services using Java, preferably with Spring Boot.
• Work with databases, including writing SQL queries and performing performance tuning.
• Implement and manage Kafka microservices and cloud-native architectures.
• Utilize containerization technologies such as Docker, Kubernetes, and OpenShift.
• Collaborate in a cross-functional team environment following Agile/Scrum methodologies.
• Troubleshoot, debug, and optimize both front-end and back-end components.

Required Qualifications

• 5+ years of professional software development experience in full-stack roles.
• Proficiency in ReactJS, including component-based architecture, state management (e.g., Redux, Context API), and hooks.
• Hands-on experience with Core Java and Spring Boot for building backend services.
• Experience with containerization technologies such as OpenShift, Docker, and Kubernetes.
• Solid understanding of databases, SQL queries, and stored procedures.
• Experience building and consuming RESTful web services.
• Understanding of HTML5, CSS3, JavaScript (ES6+), and front-end tooling like Webpack or Babel.
• Knowledge of version control systems, particularly Git.
• Familiarity with Agile/Scrum development methodologies.

Preferred Qualifications

• Knowledge of UI/UX best practices.
• Experience with CI/CD pipelines (e.g., Jenkins, GitHub Actions, Azure DevOps).
• Experience with unit testing frameworks such as Jest, React Testing Library, JUnit, or Mockito.
• Exposure to automated front-end testing tools like Cypress or Playwright.
• Familiarity with database performance tuning and PL/SQL optimization.
• Understanding of security best practices, including authentication/authorization (OAuth2, JWT).
• Experience in a DevOps-oriented environment and with deployment automation.
• Experience working in a large enterprise or financial services environment.

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.
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