- Maintain and modify existing software programs and perform software design and development, unit testing, and debugging of software code using Java 11 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.
- Bachelor's Degree from an accredited college or university required. An additional four (4) years of related experience may substitute for degree.
- t least five (5) years of related experience required.
- Strong Core Java/Java 11 (or newer) Development.
- 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:
- 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.
- ble 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 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 SO nd Restful design patterns.
- Experience working with Java Sprint technology including Spring JPA and Spring Batch.
- Experience on IRS software development projects.
- Mainframe experience is a plus.
- Work is performed in a general office environment.
- 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.
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Description
DetailsThe Sr. Java Developers 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:
