{"schemaVersion":"jobsearcher.job.v1","id":"91d060ef766f47f8a2b46d9c","url":"https://jobsearcher.com/jobs/91d060ef766f47f8a2b46d9c","canonicalUrl":"https://jobsearcher.com/jobs/91d060ef766f47f8a2b46d9c","title":"Principal Software Engineer (Java/Angular/AWS/Kafka)","description":"What You Will Be Doing:\n\nDesign and develop software applications using Twelve-Factor App methodology from functional requirements.\nDevelop highly innovative UI design, Web components, achieved through collaboration and dialogue with other experts in the field. The candidate will continually assess advancements in technologies to gauge and recommend better solutions for the customer to improve the software developer experience and efficient delivery of software.\nImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery,.\nFront end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules.\nDesign Web Page components that are compliant with Section 508 of the Rehabilitation Act (29 U.S.C. 794d).\nDesign and develop Microservices using Spring Boot, Java and RESTful architecture.\nSolid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket, OpenShift and experience with cloud platforms (AWS, Azure, or Google Cloud) and containerization technologies.\nDevelop and maintain Enterprise Java Batch application using Java Specification Request (JSR) 352 specification and schedule Java Batch jobs using Control-M.\nDevelop Simple Object Access Protocol (SOAP) based Web Services using technologies such as JAX-WS, Apache Axis, and Web Services Description Language (WSDL). Implement Web Service Security using WS-Security using existing IBM DataPower infrastructure. Ensure interoperability with Web Services-Interoperability (WS-I) standards, and optimize message transmission using Message Transmission Optimization Mechanism (MTOM) or SOAP with Attachments (SWA).\nAbility to collaborate with cross-functional teams, including business analysts, QA, and project managers and commitment to continuous learning and staying updated with emerging technologies.\nDevelop the Data Access Layer (DAO) to interface the application with IBM DB2 9.0 and PostgreSQL databases running on z/OS mainframe and Linux operating systems and other platforms, utilizing JPA or Spring Data API for querying and retrieving data through Object Relational Mapping (ORM).\nCreate POCs, templates for developing Behavior Driven Development (BDD) test framework for the APIs using Cucumber, Gherkin, and Java to implement Integration tests.\nDevelop unit test cases for every possible Java class with real scenarios using Junit, Mockito and Power Mock frameworks\nUse Visio, Confluence and IT Governance Frameworks to document the solution architecture & develop UML based design documents.\nAttend all customer technical discussions/design/development meetings and provide viable technical solutions to further enhance the existing architecture and improve code quality/process.\nImpact functional strategy by developing new solutions, processes, standards, or operational plans that position Leidos competitively in the marketplace.\nProvide guidance/support to other junior/mid-level developers.\nExperience as hands on Technical Lead\nAll other duties as assigned or directed.\nNorth Star Skills:\nExperience in designing high-throughput and low-latency systems, including architecting scalable solutions capable of handling large volumes of concurrent requests with minimal response times.\nExperience in developing the applications using Single-Page Application Architecture.\nProficient in implementing efficient data processing pipelines, optimizing application performance through asynchronous processing, caching strategies, and load balancing.\nExperience in coding “responsive\" web pages with an understanding of the cross-browser limitations and browser compliance standards.\nExperience designing and deploying cloud-native applications onto AWS with PostgreSQL.\nDeep Knowledge of PaaS offerings such as Red Hat OpenShift and Docker.\nExperience with modern software development tools for Continuous Integration including Jenkins, Git/BitBucket, Jira, Nexus, Maven, Jenkins, SonarQube, Fortify, and UrbanCode Deploy.\nExperience with Web Services Technologies (XML, JAXP, JAXB, JAX-WS, AXIS, JERSEY, JSON, CXF, REST and SOAP) and Security (LTPA, OAUTH2/JWT).\nHands-on Design and development experience on Microservices and RESTful API.\nExperience with Automated unit test (i.e. JUnit, Mocking frameworks), Test Driven Development (TDD), and Behavior-driven development (BDD) (Cucumber).\nExperience with JEE technologies including Struts, Spring Framework (IoC, MVC, Transactions, Security, and Batch), Spring Boot, Spring JDBC, JPA, Hibernate, SOAP/RESTful, XML, DB2, Tomcat, WebSphere.\nExperience with static code analyzers like SonarQube and addressing SonarQube recommended technical debts such as bugs, vulnerabilities, hotspots in the code.\nKnowledge of security vulnerabilities in web applications and addressing them.\nExperience with performance tuning software applications for effective CPU, Memory utilization, Quick turnaround response time, building highly scalable software applications in Cloud Environment handling higher volume of data and traffic.\nHow to stand out from the crowd:\n\nProficient in designing and implementing Kafka-based event-driven architectures, including the use of Kafka producers, consumers, topics, partitions, and consumer groups for scalable and fault-tolerant data streaming. Experienced in configuring Kafka brokers, managing message retention policies, and optimizing throughput with appropriate replication and partitioning strategies. Familiar with integrating Kafka Connect for data ingestion, utilizing Kafka Streams for real-time data processing, and monitoring Kafka clusters for performance and reliability.\nDemonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.\nExperience with the implementation of Section 508 standards for Web Applications.\nExposure to writing Technical White Papers and systems design documents.\nPrior experience with federal or state governments IT projects.\nExperience with low code platforms like ServiceNow, Pega, MS Power Platform etc\nStrong communication and documentation skills.?\n\nRequirements\n\nBachelor's Degree in Computer Science, Mathematics, Engineering or a related field.\nMasters or Doctorate degree may substitute for required experience\n10+ years of experience with Java, Spring Boot, Angular, React.\nExtensive Design and Programming skills in Java and JEE technologies.\nExtensive hands-on experience with one or more frameworks such as Angular, React, and Express/Node.js.\nExperience as hands on Technical Lead\nExperience working on Agile projects and strong knowledge of Agile terminology and tools including Agility.\nMust be able to obtain and maintain a Public Trust. Contract requirement.","company":"Cybrex Technologies","rawCompany":"cybrex technologies","city":"Windsor Mill","state":"MD","isRemote":false,"isActive":false,"createdAt":"2026-07-27T13:54:34.755Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Software Engineer (Java/Angular/AWS/Kafka)","description":"What You Will Be Doing:\n\nDesign and develop software applications using Twelve-Factor App methodology from functional requirements.\nDevelop highly innovative UI design, Web components, achieved through collaboration and dialogue with other experts in the field. The candidate will continually assess advancements in technologies to gauge and recommend better solutions for the customer to improve the software developer experience and efficient delivery of software.\nImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery,.\nFront end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules.\nDesign Web Page components that are compliant with Section 508 of the Rehabilitation Act (29 U.S.C. 794d).\nDesign and develop Microservices using Spring Boot, Java and RESTful architecture.\nSolid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket, OpenShift and experience with cloud platforms (AWS, Azure, or Google Cloud) and containerization technologies.\nDevelop and maintain Enterprise Java Batch application using Java Specification Request (JSR) 352 specification and schedule Java Batch jobs using Control-M.\nDevelop Simple Object Access Protocol (SOAP) based Web Services using technologies such as JAX-WS, Apache Axis, and Web Services Description Language (WSDL). Implement Web Service Security using WS-Security using existing IBM DataPower infrastructure. Ensure interoperability with Web Services-Interoperability (WS-I) standards, and optimize message transmission using Message Transmission Optimization Mechanism (MTOM) or SOAP with Attachments (SWA).\nAbility to collaborate with cross-functional teams, including business analysts, QA, and project managers and commitment to continuous learning and staying updated with emerging technologies.\nDevelop the Data Access Layer (DAO) to interface the application with IBM DB2 9.0 and PostgreSQL databases running on z/OS mainframe and Linux operating systems and other platforms, utilizing JPA or Spring Data API for querying and retrieving data through Object Relational Mapping (ORM).\nCreate POCs, templates for developing Behavior Driven Development (BDD) test framework for the APIs using Cucumber, Gherkin, and Java to implement Integration tests.\nDevelop unit test cases for every possible Java class with real scenarios using Junit, Mockito and Power Mock frameworks\nUse Visio, Confluence and IT Governance Frameworks to document the solution architecture & develop UML based design documents.\nAttend all customer technical discussions/design/development meetings and provide viable technical solutions to further enhance the existing architecture and improve code quality/process.\nImpact functional strategy by developing new solutions, processes, standards, or operational plans that position Leidos competitively in the marketplace.\nProvide guidance/support to other junior/mid-level developers.\nExperience as hands on Technical Lead\nAll other duties as assigned or directed.\nNorth Star Skills:\nExperience in designing high-throughput and low-latency systems, including architecting scalable solutions capable of handling large volumes of concurrent requests with minimal response times.\nExperience in developing the applications using Single-Page Application Architecture.\nProficient in implementing efficient data processing pipelines, optimizing application performance through asynchronous processing, caching strategies, and load balancing.\nExperience in coding “responsive\" web pages with an understanding of the cross-browser limitations and browser compliance standards.\nExperience designing and deploying cloud-native applications onto AWS with PostgreSQL.\nDeep Knowledge of PaaS offerings such as Red Hat OpenShift and Docker.\nExperience with modern software development tools for Continuous Integration including Jenkins, Git/BitBucket, Jira, Nexus, Maven, Jenkins, SonarQube, Fortify, and UrbanCode Deploy.\nExperience with Web Services Technologies (XML, JAXP, JAXB, JAX-WS, AXIS, JERSEY, JSON, CXF, REST and SOAP) and Security (LTPA, OAUTH2/JWT).\nHands-on Design and development experience on Microservices and RESTful API.\nExperience with Automated unit test (i.e. JUnit, Mocking frameworks), Test Driven Development (TDD), and Behavior-driven development (BDD) (Cucumber).\nExperience with JEE technologies including Struts, Spring Framework (IoC, MVC, Transactions, Security, and Batch), Spring Boot, Spring JDBC, JPA, Hibernate, SOAP/RESTful, XML, DB2, Tomcat, WebSphere.\nExperience with static code analyzers like SonarQube and addressing SonarQube recommended technical debts such as bugs, vulnerabilities, hotspots in the code.\nKnowledge of security vulnerabilities in web applications and addressing them.\nExperience with performance tuning software applications for effective CPU, Memory utilization, Quick turnaround response time, building highly scalable software applications in Cloud Environment handling higher volume of data and traffic.\nHow to stand out from the crowd:\n\nProficient in designing and implementing Kafka-based event-driven architectures, including the use of Kafka producers, consumers, topics, partitions, and consumer groups for scalable and fault-tolerant data streaming. Experienced in configuring Kafka brokers, managing message retention policies, and optimizing throughput with appropriate replication and partitioning strategies. Familiar with integrating Kafka Connect for data ingestion, utilizing Kafka Streams for real-time data processing, and monitoring Kafka clusters for performance and reliability.\nDemonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.\nExperience with the implementation of Section 508 standards for Web Applications.\nExposure to writing Technical White Papers and systems design documents.\nPrior experience with federal or state governments IT projects.\nExperience with low code platforms like ServiceNow, Pega, MS Power Platform etc\nStrong communication and documentation skills.?\n\nRequirements\n\nBachelor's Degree in Computer Science, Mathematics, Engineering or a related field.\nMasters or Doctorate degree may substitute for required experience\n10+ years of experience with Java, Spring Boot, Angular, React.\nExtensive Design and Programming skills in Java and JEE technologies.\nExtensive hands-on experience with one or more frameworks such as Angular, React, and Express/Node.js.\nExperience as hands on Technical Lead\nExperience working on Agile projects and strong knowledge of Agile terminology and tools including Agility.\nMust be able to obtain and maintain a Public Trust. Contract requirement.","datePosted":"2026-07-27T13:54:34.755Z","dateModified":"2026-07-27T13:54:34.755Z","hiringOrganization":{"@type":"Organization","name":"Cybrex Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Windsor Mill","addressRegion":"MD","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"91d060ef766f47f8a2b46d9c"},"url":"https://jobsearcher.com/jobs/91d060ef766f47f8a2b46d9c"}}