Job#: 3031053 Job Description: Full Stack Java Developer
Location: Iselin, NJ (Onsite)
Employment Type: Contract
Interview Process: Onsite
Role Overview
We are seeking an experienced Full Stack Java Developer to contribute to a new AI project. The ideal candidate has a strong background in building scalable microservices, modern front-end applications, and cloud-native systems. This role involves working with a comprehensive tech stack to design, develop, and deploy high-quality software solutions. Exposure to emerging Agentic AI frameworks is a plus.
Key Responsibilities
- Design, develop, and maintain microservices and RESTful APIs using Java and Spring Boot.
- Build responsive, high-performance front-end applications using React.
- Implement robust backend logic, data access layers, and caching strategies using SQL Server and Redis.
- Integrate and optimize Kafka for event-driven and streaming architectures.
- Collaborate with DevOps teams to build and maintain CI/CD pipelines using GitHub Actions or Azure DevOps.
- Deploy, monitor, and scale applications in Kubernetes environments.
- Participate in architectural discussions, code reviews, and performance tuning.
- Work cross-functionally with product, QA, and platform teams to deliver high-quality software.
Required Qualifications
- 6+ years of professional experience as a Full Stack Developer.
- Strong proficiency in Java, including experience with microservices and API development.
- Hands-on experience with Spring Boot for backend services.
- Solid front-end development skills using React.
- Experience working with SQL Server and Redis for data storage and caching.
- Practical experience with Kafka for distributed messaging and streaming.
- Familiarity with CI/CD tools such as GitHub Actions or Azure DevOps.
- Experience deploying and managing applications on Kubernetes.
- Strong understanding of software engineering best practices, including testing, code quality, and security.
Preferred Qualifications
- Exposure to Agentic AI frameworks such as LangGraph, LangChain, or A2A (Agent-to-Agent).
- Experience with cloud platforms (Azure, AWS, or Google Cloud Platform).
- Knowledge of distributed systems, observability tooling, and performance optimization.
Compensation & Benefits
The pay rate for this position is between $57.00 and $63.00 per hour. The contract duration is 24 months.
EEO Employer
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. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
Apex uses a virtual recruiter as part of the application process. Click for more details.
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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.
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