About Our Company: Join Delmock Technologies, Inc. (DTI), a leading HUBZone business in Baltimore, known for delivering sophisticated IT and Health solutions with a commitment to ethics, expertise, and superior service. Actively engaged in the local community, DTI creates opportunities for talented residents while maintaining a stellar reputation as an award-winning contractor, earning accolades like the Government Choice Award for IRS Systems Modernizations. Recently ranked as high as #3 among HUBZone Companies in a GOVWIN survey, DTI offers a dynamic environment for those passionate about impactful projects, community involvement, and contributing to a top-ranking Federal project support team. At DTI, we balance continuous growth and innovation with a strong dedication to corporate social responsibility. Join our talented team and be part of a company that values both professional excellence and community impact. Explore the exciting career opportunities awaiting you at DTI! DTI is committed to hiring and maintaining a diverse workforce. We are an equal opportunity employer making decisions without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class. Responsibilities: Ability to perform all roles and responsibilities of both a Senior Back-End Developer and a Senior Front-End Developer Front end web development using modern techniques and frameworks (e.g., HTML5, CSS, CSS frameworks like LESS and SASS, Responsive Design, and those mentioned in Technical Skills). Creating and upgrading semantic HTML layouts using latest HTML standards. Experience with organizing information, content, and functionality of a web site so that it presents the best user experience it can, with information and services being easily usable and findable. Consuming RESTful APIs and ensure front-end interoperability with the target Java web application server environment (e.g., Spring Framework, Spring Boot, MVC, WebFlux, Test, Oracle, SQL, MongoDB). JavaScript development using modern standards, including strict mode compliance, modularization techniques and tools, and frameworks and libraries (e.g., jQuery, MV* frameworks such as Backbone.js and Ember.js, D3). Creating web layouts from static images. Creating views and templates in full-stack frameworks like Rails, Express, or Django. Writes software that adheres to organizational web, accessibility, and multi-lingual standards. Consider impact to 508 compliances when pulling Epics from Product backlog to Program backlog. Refactoring text copy into file formats commonly used for localization (i18n). 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. Education, Degrees, and Certifications: Bachelor’s degree in Computer Science, Information Technology, or a related field Minimum Requirements: 6 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, Build pipelines (Jenkins or other), Code quality tools (SonarQube or other), Nexus, Git Client Development: HTML5, JavaScript Front-End Framework (React, Angular, Vue, Fluent or other), CSS3 Preferred: Active IRS MBI Clearance JBoss EAP Experience Client Development: Node.js, NPM, Babel, Webpack, React, Create React App, Jest, Testing Library, Selenium Standards: Web: CSS, HTML5 Accessibility: WCAG 2.0 (Section 508/WCAG 2.0 AA) and WAI-ARIA Multi-Lingual: Accessibility Standards (a11y), Internationalization (i18n) and Localization (l10n) Other Skills: Splunk, Excel, PowerPoint. Location: This position is hybrid, based in Lanham, Maryland. Candidates must be local to Lanham, MD or willing to relocate.