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Java Application Developer

Apex Systems Inc

Newark, DE
Java Application Developer

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.
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Vacancy posted 1 day ago
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