Sr. Java Software Engineer (z/OS, JDK, JDBC, Spring, TCP/IP Socket, REST API) - 100% Remote - Contract to hire

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timePosted 10 days ago location United States salarySalary undisclosed
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Job Description



Title: Sr. Java Software Engineer (z/OS, JDK, JDBC, Spring, TCP/IP Socket, REST API) - 100% Remote



Job Description

Under minimal supervision, participates in the technical design and development of new .NET products or enhancements to existing product line. Participates in all phases of the development cycle: concept, initiation, technical design, prototype, code development, testing, release to QA and implementation.

Project Summary

This team is taking on a strategic project which will build and deploy a next gen card transaction processing platform to facilitate traffic between our strategic partners and non-strategic partners as applicable. The goal is to leverage a blend of legacy technologies (such as DB2, zOS/Unix) and new technologies (such as Java, Node.js, App Dynamix) to ensure best of class products and services in both distributed and mainframe environments.

This project will leverage multiple cross-functional teams to deliver this new platform, and is comprised of many of our Dev Ops workgroups from Dev, QA, Release, PMO, Operations/Support, Hosting Operations, in addition to key corporate partners that facilitate hosting.

Minimum Qualifications
  • Minimum of 6 years of experience in enterprise level Java development including the following:
    • Advanced Java programming with JDK and the frameworks - JDBC, Spring.
    • TCP/IP Socket and REST API services programming with Java and Java frameworks.
    • Good knowledges with the technologies and protocols of TCP/IP, SSL, HTTP, Open ID Connect/OAuth2.
    • Well familiar with using the application development IDEs - VS Code, Eclipse, and SCMs - TFS, Git.
    • Experience with UNIX/LINUX, and the basic shell commands.
    • Data security, encryption, and understanding of PCI compliance and requirements.
  • Experience with both distributed and Unix in a z/OS environment.


Preferred Qualifications
  • Solid understanding and design/develop/deployment skills leveraging SOA, SaaS, MVC, UML, Ux/UI interface development.
  • Enterprise application development experience and agile development utilizing TFS required.
  • Experience in Object Oriented development practices and approaches required.
  • Good understanding of the architectures of the widely-used web servers and application servers, Apache, Tomcat, WildFly(jBoss), IBM MQ.
  • Design Patterns, Data Modeling/Extract, and ETL based skills.
  • Strong enterprise back end application development experiences.
  • Solid understanding of Web Service contrast between ESB based technologies.
  • Experience in an Agile SDLC, Scrum.


Essential Functions
  • Ability to understand product vision and architectural design provided by architects.
  • Understands and completes product technical design and prototyping, software development, bug verification and resolution.
  • Developing and Testing Unix/Linux based software systems.
  • Performs system analysis and programming activities which may require extensive research and analysis.
  • Provides technical/engineering support for new and existing applications from code delivery until the retirement of the application.
  • Ensures timely, effective, and quality delivery of software into production, both at an individual and team level.
  • Develops and tests applications based on business requirements and industry best practices.
  • Creates required technical documentation, use cases, white papers, and technical process and procedure docs for the group.
  • Adheres to documented departmental and corporate standards. Participates in the definition and documentation of standards.
  • Collaboratively works with QA team to ensure timely delivery of high-quality products.
  • Collaboratively works with customer support team to resolve or diagnose defects.
  • Performs release validation testing and beta support for projects.
  • Researches problems and develops solutions to the problems.
  • Conducts unit testing and integration testing for functionality and limits.
  • Assists in training and mentoring less experienced peers.


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