Principal Software Engineer

Job Title: Principal Software Engineer Client: Leidos LOCATION: Woodlawn, MD (5 days per week onsite) Duration: 12+ Months Visa: USC/GC (Will need to obtain Public Trust) Rate: $85/hr on c2c Years of Exp.: 14+ Required Note: Preferring VA and MD area who can commute or relocate to MD location Will need an MVA-issued "REAL ID" if hired, for public trust Key Required Skills Strong experience with Java, OpenShift/ Amazon Web Services (AWS), Agile Development, Angular/React, JavaScript, Kafka, Spring Boot, Spring Batch, and Web Services. Basic Qualifications Bachelor's Degree in Computer Science, Mathematics, Engineering or a related field. Masters or Doctorate degree may substitute for required experience 10+ years of experience with Java, Spring Boot, Angular, React. Extensive Design and Programming skills in Java and JEE technologies. Extensive hands-on experience with one or more frameworks such as Angular, React, and Express/Node.js. Experience as hands on Technical Lead Experience working on Agile projects and strong knowledge of Agile terminology and tools including Agility. Must be able to obtain and maintain a Public Trust. Contract requirement. Required Skills Experience in designing high-throughput and low-latency systems, including architecting scalable solutions capable of handling large volumes of concurrent requests with minimal response times. Experience in developing the applications using Single-Page Application Architecture. Proficient in implementing efficient data processing pipelines, optimizing application performance through asynchronous processing, caching strategies, and load balancing. Experience in coding "responsive" web pages with an understanding of the cross-browser limitations and browser compliance standards. Experience designing and deploying cloud-native applications onto AWS with PostgreSQL. Deep Knowledge of PaaS offerings such as Red Hat OpenShift and Docker. Experience with modern software development tools for Continuous Integration including Jenkins, Git/BitBucket, Jira, Nexus, Maven, Jenkins, SonarQube, Fortify, and UrbanCode Deploy. Experience with Web Services Technologies (XML, JAXP, JAXB, JAX-WS, AXIS, JERSEY, JSON, CXF, REST and SOAP) and Security (LTPA, OAUTH2/JWT). Hands-on Design and development experience on Microservices and RESTful API. Experience with Automated unit test (i.e. JUnit, Mocking frameworks), Test Driven Development (TDD), and Behavior-driven development (BDD) (Cucumber). Experience 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. Experience with static code analyzers like SonarQube and addressing SonarQube recommended technical debts such as bugs, vulnerabilities, hotspots in the code. Knowledge of security vulnerabilities in web applications and addressing them. Experience 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. Desired Skills Proficient 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.Familiarwith integrating Kafka Connect for data ingestion, utilizing Kafka Streams for real-time data processing, and monitoring Kafka clusters for performance and reliability. Demonstrate 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, identifyingopportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities. Experience with the implementation of Section 508 standards for Web Applications. Exposure to writing Technical White Papers and systems design documents. Prior experience with federal or state governments IT projects. Experience with low code platforms like ServiceNow, Pega, MS Power Platform etc Strong communication and documentation skills. Education Bachelor's Degree with 10+ years of experience Must be able to obtain and maintain a Public Trust. 3B Staffing LLC