Principal Software Engineer

Location: Woodlawn, MD – On-site, 5 days per week

Employment: Full-time

Compensation: $110,000/yr.-$130,000/yr.

Clearance: Must be able to obtain and maintain Public Trust

Position Overview

We are seeking an experienced Principal Software Engineer to design, develop, and support enterprise software applications in a federal government environment.

This is a hands-on technical leadership role focused on Java, Spring Boot, Angular, React, microservices, cloud-native applications, and DevOps practices. The successful candidate will develop scalable and secure applications, support system modernization, collaborate with technical teams, and provide guidance to junior and mid-level developers.

The position requires working on-site in Woodlawn, MD, five days per week. The final interview will be conducted in person.

Responsibilities

• Design and develop enterprise applications using Java, Spring Boot, Angular, React, and Twelve-Factor App methodology.
• Develop responsive user interfaces using AngularJS, ReactJS, Node.js, TypeScript, JavaScript (ES13+), JSP, HTML, CSS, XML, AJAX, and jQuery.
• Design web components compliant with Section 508 accessibility standards.
• Design and develop microservices and RESTful APIs using Java and Spring Boot.
• Develop and deploy cloud-native applications using AWS, Red Hat OpenShift, Docker, and related technologies.
• Implement DevOps practices and CI/CD pipelines using Jenkins, Git, Bitbucket, and related tools.
• Develop enterprise Java batch applications using JSR 352 and Spring Batch, with job scheduling through Control-M.
• Design and implement SOAP web services using JAX-WS, Apache Axis, and WSDL, including WS-Security, IBM DataPower, WS-I, MTOM, and SOAP with Attachments.
• Develop data access layers integrating IBM DB2 and PostgreSQL across z/OS, Linux, and other platforms using JPA, Hibernate, and Spring Data.
• Design scalable, high-throughput, low-latency applications and optimize performance, caching, asynchronous processing, and load balancing.
• Develop automated unit and integration tests using JUnit, Mockito, PowerMock, Cucumber, Gherkin, and BDD/TDD practices.
• Identify and resolve application security vulnerabilities, code quality issues, and technical debt.
• Create proofs of concept, UML diagrams, solution architecture documents, and technical documentation using tools such as Visio and Confluence.
• Collaborate with business analysts, QA teams, project managers, and customers throughout Agile development.
• Evaluate emerging technologies and recommend improvements to architecture, development processes, and software delivery.
• Serve as a hands-on Technical Lead, providing guidance and support to junior and mid-level developers.
• Contribute to technical strategy, standards, and operational improvements.
• Perform other duties as assigned.

Requirements

Minimum Qualifications

• Bachelor's degree in Computer Science, Mathematics, Engineering, or a related field.
• 10+ years of experience with Java, Spring Boot, Angular, and React.
• Extensive experience designing and developing applications using Java and JEE technologies.
• Hands-on experience serving as a Technical Lead.
• Strong experience with Angular, React, Express, or Node.js.
• Experience with Agile development methodologies and tools, including Agility.
• Experience designing microservices, RESTful APIs, and single-page applications.
• Experience developing responsive web applications and addressing cross-browser compatibility.
• Experience designing high-throughput, low-latency, scalable systems.
• Experience developing cloud-native applications using AWS and PostgreSQL.
• Strong knowledge of Red Hat OpenShift, Docker, and PaaS technologies.
• Experience with CI/CD tools, including Jenkins, Git, Bitbucket, Jira, Nexus, Maven, SonarQube, Fortify, and UrbanCode Deploy.
• Experience with Java and JEE technologies, including Struts, Spring Framework (IoC, MVC, Transactions, Security, Batch), Spring JDBC, JPA, Hibernate, DB2, Tomcat, and WebSphere.
• Experience with web services and security technologies, including XML, JAXP, JAXB, JAX-WS, Axis, Jersey, JSON, CXF, REST, SOAP, LTPA, and OAuth2/JWT.
• Experience with automated unit testing, TDD, BDD, JUnit, mocking frameworks, and Cucumber.
• Experience using SonarQube to identify and remediate bugs, vulnerabilities, security hotspots, and technical debt.
• Knowledge of web application security vulnerabilities and remediation practices.
• Experience optimizing CPU, memory, response times, and application scalability in cloud environments.
• Strong communication, problem-solving, and technical leadership skills.
• Must be able to obtain and maintain a Public Trust clearance.
• Must be willing to work on-site in Woodlawn, MD, five days per week.

Preferred Qualifications

• Master's or doctoral degree in Computer Science, Engineering, or a related field.
• Experience with Kafka-based event-driven architectures, including producers, consumers, topics, partitions, consumer groups, replication, retention, Kafka Connect, and Kafka Streams.
• Knowledge of artificial intelligence and its application to enterprise software architecture and modernization.
• Experience implementing Section 508 accessibility standards.
• Experience preparing technical white papers and system design documentation.
• Prior experience supporting federal or state government IT projects.
• Experience with low-code platforms such as ServiceNow, Pega, or Microsoft Power Platform.