Developer - Back End

Responsibilities: Developing and consuming web-based, RESTful APIs utilizing Java and Spring Work within Kubernetes (OpenShift, AWS EKS or others), Service Mesh (ISTIO or others), Microservices architecture Ensure Swagger and OpenAPI documentation is created for RESTful services Ensure JavaDocs are completed Performs database system development with working knowledge of Relational Databases (Oracle, Postgres or other) and NoSQL Databases (ex: MongoDB, DynamoDB, etc) Scalable search technology (e.g., ElasticSearch, Solr) Working knowledge of Business Objects Enterprise (BOE) and Red Hat JBoss Enterprise Application Platform (JBoss EAP) Handling large data sets and scaling their handling and storage Design, build, and implement software applications, remediate defects, support activities to setup / validate infrastructure environments in support of Application team Authoring developer-friendly documentation (e.g., API documentation, deployment operations) Communicating technical concepts to a non-technical audience Conduct alternative analysis on software approved within the application boundary. Create and maintain code comments, Wikis, and other development artifacts in support of the application team Create and/or provide input for design artifacts for inclusion in design documents Follow Test-drive development (TDD) paradigm by creating and maintaining unit tests. Ensure design conforms to technical solution of the platform and program. Operate in a DevOps environment comprised of Maven, Jenkins, SonarQube, NPM. Quickly researching and learning new programming tools and techniques Assist automation test team with development of automation regression tests, as needed. Assist performance team with development of stubs and simulators, as needed. Remediating defects and providing Tier 3 level support. Support packaging of software as required. Use of version control systems, specifically Git and GitHub Using and working with open-source solutions and community Senior developer – coach, train and mentor other developers, both IRS and contractor, in all aspects of software development, as needed. Encourage and support collaborative work amongst all team members, both IRS employees and contractor employees. Ensure IRS developers and/or tech advisors are intimately engaged with all software development tasks on a regular basis. Produce clear, concise, centralized, organized, and easily accessible documentation for current and future reference utilizing existing IRS tools, for example OneNote and README files. This should include system architecture diagrams, flow diagrams, class diagrams, sequence diagrams, Swagger docs, JavaDocs and other diagrams as appropriate. This documentation should be written so that future technical resources can easily assimilate and understand the referenced topic. This documentation should be consolidated and contained within a systems-level, holistic documentation suite, with a hierarchical structure that is easy to navigate and understand at both the high and detailed level. Format, location, and paradigm of this documentation to be collaboratively defined along with AD management and tech advisors. Minimum Requirements: 5 years of experience with the following: Java Development: JDK1.8 and 11, MDC, HTTP Filters, Loggers, Concurrence, Security, JPA, JUnit Spring Projects: MVC, Boot, WebFlux, Cloud, Test, Security, Cache, JPA Persistence: Relational Databases (Ex: Oracle, PostgreSQL), NoSQL Databases (ex: MongoDB, DynamoDB, etc) DevOps: Maven, Jenkins, SonarQube, Nexus, Git Experience working with Agile methodologies Strong communication skills Preferred

: Active IRS MBI Clearance 5 years of experience with the following:

Swagger and OpenAPI Splunk Excel, PowerPoint.

Location: This position is hybrid, based in Lanham, Maryland. Candidates must be local to Lanham, MD or willing to relocate.

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