Senior Java Mainframe developer
- Remote
- Administration and Office Support
Title: Senior Java Mainframe Developer
Location: Lanham, MD/Remote
Duration: Long Term contract
We are seeking a Sr. Java Developer to support our Internal Revenue Service (IRS) Master File project. The Sr. Java Developer will provide development and testing of software applications on an enterprise server platform, which may include conducting systems analysis, design, development, testing, installation and documentation in support of new or existing software products within Internal Revenue Service (IRS) organizational components. | | Location of work is 100% remote from home. | | Maintain and modify existing software programs and perform software design and development, unit testing, and debugging of software code using Java 8, SQL, JCL to maintain JEE applications used by the IRS | Create program designs and specifications that address requirement changes | Develop and deploy Java components or complete application functionality in JEE environments | Design, develop and test software components, and document and diagram application functionality from business requirements | Develop test plans and automated test scripts | Perform unit, integration and regression testing | Participate in design and code reviews | Develop Release Documentation | Maintain source code/components, and modify and/or upgrade code as necessary | Write required documentation as directed by IRS development methodology for JEE components | Develop custom adapters allowing the integration of legacy (i.e., capabilities not developed as services) capabilities with service-based Framework infrastructure and services | Work within a large team environment in short sprints | Provide Life Cycle Support of a software application on Z/OS and Red Hat Linux system environment | Interact effectively with the team of engineers/developers as well as customers | | *Position is contingent on funding. | | QUALIFICATIONS | Bachelor's Degree from an accredited college or university required. An additional four (4) years of related experience may substitute for degree | At least five (5) years of related experience required | Experience designing and implementing Java 8 (or newer) or JEE solutions with a focus on Mainframes, JCL, Java Batch and business rules | Experience using modern development methodology including Agile and continuous integration | Experience with Lambda expressions and Generics | Understanding of design patterns, SOA principles, and core Java API | Working knowledge of web services, service discovery protocol, messaging protocols (REST, RPC, WS-*, SOAP etc.), schema design and JMS | Strong interpersonal, communication, and writing skills | Experience in planning and accomplishing goals and complicated tasks and providing consultation on complex projects as a top-level contributor or specialist | Experience developing solutions integrating and extending GOTS and COTS products | Experience with performance tuning and optimization of service-based Framework infrastructure and services | Preferred qualifications include: | oKnowledge of Assembler Language (ALC) software applications on a mainframe platform | oKnowledge of Job Control Language (JCL) | oExperience working with big data | oFamiliar with IBM Database (DB2)/Structured Query Language (SQL) development | oFamiliar with ENDEVOR, a software change/release management tool | oExperience working in and a general understanding of Red Hat Linux OS | oExperience in performance tuning and Clustering JEE application based platform for Enterprise system (I.E. Tomcat, Weblogic, EAP, Websphere, etc.) | oExperience with Drools Business Rules Management System | oExperience in designing, implementing, and tuning JBoss products (EAP/EWS, BRMS, Fuse, Fuse SW, JDG, JDV, JON) | oExperience in designing, implementing, and tuning products that are similar in concept to the JBoss Middleware stack, such as iLog, Tibco, Weblogic, Websphere, etc. | oExperience in implementing SOA | oBackground in managed file transfer, XML Gateway and various transport protocols (FTP, SFTP, HTTPS, TLS etc.) | oExperience using Rational Team Concert client and Rational Suite. | oExperience with IRS Enterprise Life Cycle (ELC), Enterprise Architecture and IRS policies, procedures, and strategies | oExperience developing Framework infrastructure and services within one of the SOA design patterns | oExperience working with Java Sprint technology including Spring JPA and Spring Batch | | Additional Requirements as per contract/client: | Candidates must meet requirements to obtain and maintain an IRS Minimum Background Investigation (MBI) clearance (active IRS Moderate Risk MBI is a plus) | Candidates must be a US Citizen or a Legal Permanent Resident (Green Card status) for 3 years, and be Federal Tax compliant
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