Full Stack Java Developer Engineer Jobs in Annandale, VA

The Full Stack Developer, Senior provides full-stack design and development in a secure, mission-focused environment using Java, Spring Framework, React, and PostgreSQL. This role is responsible for designing and implementing modern UI components, secure RESTful APIs, and scalable data architectures, as well as supporting application deployments, CI/CD pipelines, and full life cycle software development within an Agile environment.

This position aligns with Cayuse’s core values of Innovation, Excellence, Collaboration, Adaptability, and Integrity by fostering technical solutions that meet customer needs, promoting teamwork, and prioritizing quality in deliverables.

• Full-Stack Development
  • Provide full-stack design and development support using Java, Spring MVC, Spring Security, Spring Boot, React, and PostgreSQL.
  • Develop robust backend services leveraging Spring Framework/Security (6+) and Spring Boot (3+), integrating with Hibernate (6+) and PostgreSQL.
• Front-End/UI Engineering
  • Design and implement modern, responsive UI components using React and TypeScript/JavaScript.
  • Apply reusable design patterns and best practices to deliver intuitive and accessible user interfaces.
  • Implement styling and layout using CSS (and related frameworks as applicable).
• Database Design & Data Migration
  • Design and implement normalized PostgreSQL schemas and entity relationships to support system scalability, performance, and maintainability.
  • Develop SQL/PLSQL queries, stored procedures, and database scripts.
  • Support and document data migration efforts, ensuring data integrity, consistency, and traceability between legacy and new systems.
• API & Integration Development
  • Develop, secure, and maintain RESTful APIs for data access, integration, and interoperability across systems and services.
  • Implement authentication and authorization solutions (e.g., Spring Security, Keycloak) to protect data and services.
• DevOps, CI/CD, and Cloud Support
  • Plan and execute application deployments and version control strategies using Git/GitLab.
  • Design, configure, and maintain CI/CD pipelines and automation to support build, test, and deployment activities.
  • Work with AWS services including S3, EC2, ECS, Aurora, and CloudWatch to support application hosting, scalability, and monitoring.
  • Utilize containerization and orchestration technologies such as Docker and Kubernetes.
• Lifecycle, Process, and Compliance
  • Assist in all phases of the software development life cycle (requirements, design, development, testing, deployment, operations, and maintenance).
  • Ensure solutions comply with Section 508 accessibility requirements, enterprise security policies, and other applicable standards and best practices.
  • Contribute to and maintain comprehensive technical documentation, including design specifications, API documentation, deployment guides, and user guides.
  • Participate in Agile ceremonies and use Atlassian tools (Jira, Confluence) to collaborate, track work, and document decisions.
• Team Collaboration & Leadership
  • Collaborate closely with product owners, business analysts, architects, testers, and operations teams to deliver high-quality solutions.
  • Provide technical guidance, mentorship, and knowledge transfer to team members.
  • Demonstrate strong initiative and a proactive, self-motivated approach to helping the team grow and continuously improve.
• Other duties as assigned.

• Minimum of 8+ years of progressive software development experience, with significant full-stack responsibilities.
• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related technical field.
• Active Top-Secret clearance.
• Strong user interface design and development skills with React, JavaScript, and CSS.
• Demonstrated development experience in:
  • Java
  • Spring Framework / Spring Security (6+), Spring Boot (3+)
  • Hibernate (6+)
  • SQL/PLSQL and PostgreSQL
  • RESTful API design and development
  • Maven build tool
  • Git/GitLab for source control and collaboration
• Hands-on experience with database design and data migration, including schema design, normalization, and ETL/migration support.
• Additional required experience with:
  • AWS (S3, EC2, ECS, Aurora, CloudWatch)
  • Keycloak or similar identity and access management solutions
  • Kubernetes and Docker
  • CI/CD tools and automation frameworks
• Experience working within Agile methodologies (Scrum, Kanban) and using Atlassian tools (Jira, Confluence).
• Proven experience implementing or supporting CI/CD pipelines and DevOps practices.
• Active Top Secret Security Clearance is required.
• Must be able to pass a background check. May require additional background checks as required by projects and/or clients at any time during employment.

Minimum Skills Required:

• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills.
• Ability to respond effectively to customers with a sense of urgency.
• Proficient in Microsoft and Adobe toolsets, including Excel, Word, PowerPoint, Acrobat, etc.
• Highly motivated with the ability to handle and manage multiple tasks at any one time.
• Ability to forge new relationships, individual and teaming in nature.
• Must be a Self-starter, that can work independently and as part of a team.

Preferred Qualifications:

•  Atlassian tools
•  Agile methodology experience

Our Commitment to you / overview of benefits

• Medical, Dental and Vision Insurance; Wellness Program
• Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
• Short-Term and Long-Term Disability options
• Basic Life and AD&D Insurance (Company Provided)
• Voluntary Life and AD&D options
• 401(k) Retirement Savings Plan with matching after one year
• Paid Time Off

Reports to: Program Manager

Working Conditions

• Professional office environment with the ability to work on-site.
• Must be physically and mentally able to perform duties extended periods of time.
• Ability to use a computer and other office productivity tools with sufficient speed to meet the demands of this position.
• Must be able to establish a productive and professional workspace.
• Must be able to sit for long periods of time looking at computer screen.
• May be asked to work a flexible schedule which may include holidays.
• May be asked to travel for business or professional development purposes.
• May be asked to work hours outside of normal business hours.

Other Duties: Please note this job description is not designed to cover or contain a comprehensive list of activities, duties or responsibilities that are required of the employee for this job.  Duties, responsibilities, and activities may change at any time with or without notice.

Cayuse is an Equal Opportunity Employer.  All employment decisions are based on merit, qualifications, skills, and abilities. All qualified applicants will receive consideration for employment in accordance with any applicable federal, state, or local law.