Sr Java Developer

HI
Title: Senior Java Developer
Location: Location of work is remote in US.
Labor Category: Senior Software Developer
Award Type: Time and Materials

Details
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.

job responsibilities/duties
The Sr Java Developer will have the following responsibilities:

• Maintain and modify existing software programs and perform software design and development, unit testing, and debugging of software code using Java 8 and above, SQL, Spring Boot and Microservices for 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 unit tests cases, plans and automated tests using Test Driven Development.
• Perform unit testing, integration, and regression testing
• Participate in design and code reviews
• 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
• Interact effectively with the team of engineers/developers as well as customers

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
· Strong Core Java 8 (or newer) Developer

• Experience designing and implementing JEE solutions with a focus on Spring Boot, Microservices 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, Restful etc.), schema design and JMS or Apache Kafka for event handling.
• 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:
  • AWS certification
  • Knowledge of Life Cycle Support of a software application on Z/OS and Red Hat Linux system environment
  • Experience working with big data or Mongo DB
  • Familiar with IBM Database (DB2)/Structured Query Language (SQL) development
  • Able to build and deploy applications using Maven, Docker, Jenkins is a plus.
  • Experience working in and a general understanding of Red Hat Linux OS
  • Experience in performance tuning and Clustering JEE application based platform for Enterprise system (I.E. Tomcat, Weblogic, EAP, Websphere, etc.)
  • Experience with Drools Business Rules Management System
  • Experience in designing, implementing, and tuning JBoss products (EAP/EWS, BRMS, Fuse, Fuse SW, JDG, JDV, JON)
  • Experience in Mainframes, JCL and executing Java Programs on Mainframes
  • Experience in designing, implementing, and tuning products that are similar in concept to the JBoss Middleware stack, such as iLog, Tibco, Weblogic, Websphere, etc.
  • Experience in implementing SOA
  • Background in managed file transfer, XML Gateway and various transport protocols (FTP, SFTP, HTTPS, TLS etc.)
  • Experience using Rational Team Concert client and Rational Suite.
  • Experience with IRS Enterprise Life Cycle (ELC), Enterprise Architecture and IRS policies, procedures, and strategies
  • Experience developing Framework infrastructure and services within one of the SOA and Restful design patterns
  • Experience working with Java Sprint technology including Spring JPA and Spring Batch

Physical Requirements:
· Work is performed in a general office environment.

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 clearance 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.

SECURITY REQUIREMENTS (i.e. Clearance, MBI)
NOTE: In response to HSPD 12, the Department of Treasury has initiated a new program for improving the identification and authentication of Federal contractors for access to Federal facilities and information systems. Federal contractor employees with access to Federal facilities and information systems are required to comply with standards developed for the Personal Identity Verification (PIV) of Federal Employees and Contractors in order to satisfy the requirements of HSPD-12. These standards require the creation of biometric data cards and systems to identify contractor employees. Biometric data includes personal identification information such as fingerprints and facial images and allows this personal information to be electronically stored, maintained, and accessed by the Government. All data required by Treasury's PIV system will be provided by contractors before access to Federal facilities and information systems are granted. All contractors shall comply with HSPD-12 requirements as they are implemented or changed.
The applicable Seller employees shall have a current MBI with the IRS. All Seller employees shall be required to wear identification badges when working in government facilities.