Full Stack Java Developer, Senior

Cayuse Holdings•Washington, DC

1d•$145,000 - $151,258•Onsite

About The Position

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.

Requirements

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.
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.

Nice To Haves

Atlassian tools
Agile methodology experience

Responsibilities

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.
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).
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.
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.
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.
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.
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.