Demo

Java Developer (Jersey City OR Charlotte)

Apex Systems
Jersey, NJ Contractor
POSTED ON 5/8/2026
AVAILABLE BEFORE 6/8/2026
Job#: 3030180

Job Description:

Java Developer

Location: Jersey City, NJ/Charlotte, NC (Onsite)

Employment Type: Contract

Contract Duration: 12 Months

Role Overview

This role is responsible for hands-on application development to support current and target processes. The position involves partnering with multiple technology teams to implement the target architecture and migrate to a strategic platform. This is an opportunity to work with data-intensive applications and contribute to complex systems.

Key Responsibilities

  • Perform end-to-end Java application development.
  • Utilize multi-threading, collections API, and JDBC for robust application performance.
  • Implement frameworks such as Spring, Spring Boot, JPA, and Hibernate.
  • Design and optimize data pipelines for performance and scalability.
  • Discover, ingest, and integrate new real-time, streaming, and batch data sources.
  • Load and manage large data sets within a Hadoop ecosystem.
  • Compute complex logic in Spark platforms.
  • Identify and resolve complex data engineering issues.
  • Provide leadership and mentorship to other members of the data engineering team.

Required Qualifications

Education: A BS/MS degree in Computer Science, Engineering, or any quantitative discipline is required.

Experience: A minimum of 9 years of experience in end-to-end Java application development is required. A minimum of 5 years of experience with Java UI technologies such as HTML5, Angular JS, Backbone JS, or Bootstrap is also required. Experience with software development in an Agile environment is necessary.

Technical Skills:

  • Core Java skills, including multi-threading, collections API, and JDBC.
  • Frameworks: Spring, Spring Boot, JPA, Hibernate.
  • Databases: Expertise in SQL and NoSQL databases.
  • Big Data Technologies: Knowledge of Apache Hadoop, Apache Spark, Apache Kafka, Apache Hive, or Apache Flink.
  • Fundamentals in computer science design, data structures, and algorithms.
  • Performance tuning for data-intensive applications, including profiling and memory optimization.

Preferred Qualifications

  • Background in enterprise stress testing.
  • Knowledge of risk domains such as credit, operational, and market risk.
  • Experience with cloud computing or distributed computing.

We are an equal opportunity employer and welcome applications from all qualified candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Apex uses a virtual recruiter as part of the application process. Click here for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228.

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 here 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.

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 here 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.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

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. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

Salary : $63 - $68

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