Full Stack Java Developer

CACI-posted 2 days ago

Full-time • Mid Level

Hybrid • Ashburn, VA

5,001-10,000 employees

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CACI is currently looking for a Full Stack Developer with agile methodology experience to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting Customs and Border Protection (CBP) client located in Northern Virginia! Join this passionate team of industry-leading individuals supporting the best practices in Agile Software Development for the Department of Homeland Security (DHS). In this vital role, you will apply your expertise to develop high-impact applications directly supporting critical CBP operations. Utilizing Angular (16+) for crafting intuitive and responsive user interfaces, and Spring Boot for building robust, scalable, and secure back-end services, you will also be instrumental in designing and implementing event-driven middleware to facilitate seamless messaging across multiple internal and external services supporting border missions. Your work will directly translate into tangible improvements for national security and the protection of American citizens.

Full-Stack Development Leadership: Architect, design, develop, test, and deploy robust and scalable full-stack applications and features for both modernized and legacy systems. This includes hands-on development across front-end (UI/UX implementation using Angular), middle-tier (API development), and back-end (database interaction and business logic using Spring Boot) components with minimal supervision.
Agile Collaboration & Contribution: Actively participate and contribute to all Agile Scrum ceremonies, including daily stand-ups, sprint planning, backlog refinement, sprint reviews, and retrospectives. Collaborate effectively with cross-functional teams to define requirements, estimate tasks, and deliver committed sprint goals.
Code Quality & Best Practices: Promote and ensure high standards of code quality through rigorous code reviews, automated testing (including collaboration with Automated Test Engineers on tools like Selenium for end-to-end testing, alongside unit and integration tests), and continuous integration/continuous delivery via Harness (experience with pipeline development is crucial). Leverage tools like SonarQube for static code analysis and adherence to secure coding practices. Contribute to the development and refinement of software engineering guidelines and best practices.
System Integration & Optimization: Design and implement robust APIs, microservices, and event-driven messaging solutions for seamless integration between various system components and external services. Optimize application performance, scalability, and security across all layers of the stack, ensuring high availability for critical border missions.
Technical Problem Solving: Proactively identify, diagnose, and resolve complex technical issues and architectural challenges. Provide technical guidance and innovative solutions to enhance system reliability and efficiency.
Continuous Improvement: Contribute to the continuous improvement of development processes, tools, and technologies. Stay current with emerging industry trends and evaluate their applicability to the project.
Mentorship & Support: Support and collaborate with teammates, fostering a culture of shared responsibility and knowledge transfer to ensure collective product and team success.

Must be a U.S. Citizen with the ability to obtain and maintain a CBP background investigation (criteria include, but are not limited to: 3-year check for felony convictions, 1-year check for illegal drug use, 1-year check for misconduct such as theft or fraud).
College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline. Equivalent professional experience will be considered in lieu of degree.
Professional Experience: at least seven (7) years related technical experience, with design, development and implementation of enterprise-level applications.
Proficiency in Java development, with extensive experience in building robust back-end services using Spring Boot.
Strong front-end development skills using Angular (16+), HTML5, CSS3, and JavaScript/TypeScript to create responsive and intuitive user interfaces.
Experience with microservices architecture and developing RESTful APIs (e.g., JAX-RS, JSON, Web-Services).
Demonstrated experience with event-driven architecture and messaging solutions.
Proficiency in Java unit testing (e.g., JUnit) and proven experience collaborating with quality assurance and automated test engineers on comprehensive testing strategies, including integration and end-to-end automation (e.g., Selenium).
Strong proficiency with Git for source code control and concurrent development workflows.
Experience with relational databases such as Oracle and PostgreSQL, including database design principles and SQL optimization.
Familiarity with ORM frameworks (e.g., Hibernate), build tools (e.g., Gradle), and configuration management (e.g., YAML).
Working on unusually complicated problems and providing solutions that are highly creative and ingenious, exhibiting ingenuity, creativity, and resourcefulness.
Acting independently to expose and resolve problems.
Working knowledge of and ability to assist others in the use of software engineering tools to support process improvement.
Understanding of all elements of the software development life cycle, including planning, development, requirements management, CM, quality assurance, and release management.
Able to work a hybrid schedule with an on-site requirement of 1-2 days per week in Ashburn, VA.

Ability to apply advanced principles, theories, and concepts, and contribute to the development of innovative principles and ideas.
Familiarity with source code quality control platforms (e.g., SonarQube), CI/CD platforms (e.g., Harness, Jenkins), cloud platforms (e.g., AWS), and Jira.
Experience with system modernizations and migrations is also highly desirable.
Excellent written and verbal communication skills.
Strong collaboration skills and desire to work within a team.
Highly responsible, team-oriented individual with very strong work ethic and a self-starter.
Ability to apply estimation techniques to software development efforts.

Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.
We offer competitive compensation, benefits and learning and development opportunities.
Our broad and competitive mix of benefits options is designed to support and protect employees and their families.
At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

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