Demo

Java Application Developer

Apex Systems
Newark, DE Full Time
POSTED ON 9/9/2026
AVAILABLE BEFORE 10/10/2026
Job#: 3051029

Job Description:
Java Application Developer

Location: Newark, Delaware (Hybrid)

Role Overview

This position is for an Application Programmer focused on Java application development, LLE triage and support, and release support. The role requires a candidate with strong Core Java and object-oriented programming skills to contribute to high-transaction volume services and applications. The work arrangement is a hybrid schedule, requiring a minimum of three days onsite per week.

Key Responsibilities
  • Develop and maintain Java applications.
  • Provide triage and support for lower-level environments (LLE).
  • Support application releases and deployment processes.
  • Design new components and apply design patterns effectively.
  • Develop REST and SOAP web services and web applications.
  • Work with distributed caching frameworks and XML processing tools.
  • Ensure application performance through tuning and profiling.
  • Collaborate with teams located across multiple time zones.


Required Qualifications

Technical Skills:
  • Core Java and solid Object-Oriented Programming (OOP) skills.
  • Proven design expertise, including Design Patterns and UML.
  • J2EE experience with application servers like Websphere, Weblogic, JBoss, or Apache Tomcat.

* Experience with Spring frameworks, including Core Spring, Spring Integration, and Spring AOP.
  • Proficiency in REST and SOAP web service development.
  • Knowledge of JPDA/Hibernate.
  • Experience with distributed caching frameworks such as ehCache or Websphere eXtreme Scale.
  • Familiarity with encryption and Public Key Infrastructure (PKI).
  • Experience with XML processing and binding frameworks like JAXB, Xstream, or Stax.


Preferred Qualifications
  • Hands-on experience with UNIX/Linux environments.
  • Experience with relational databases such as Oracle, MySQL, or SQL Server.
  • Background in producing high-transaction volume services or applications.
  • Experience with performance tuning and application profiling.
  • Familiarity with Continuous Integration tools like Jenkins/Hudson.
  • Experience with development tools such as JMeter, SOAPUI, JUnit, TestNG, DynaTrace, or JProbe.
  • Knowledge of Maven and repositories like Nexus.
  • Ability to work independently in a fast-paced 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.

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 : $63 - $65

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