Senior Full Stack Java Developer

Cayuse Holdings

Senior Full Stack Developer providing full-stack design and development in a secure environment. Responsible for modern UI components, RESTful APIs, and scalable data architectures.

Posted 6/24/2026full-timeWashington • Washington • 🇺🇸 United StatesSenior💰 $145,000 - $151,258 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudDockerEC2ETLHibernateJavaJavaScriptKubernetesMavenPostgresReactSDLCSpringSpring BootSpringBootSQLTypeScript

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavaSpring MVCSpring SecuritySpring BootReactPostgreSQLSQLPLSQLRESTful APIMaven

Soft Skills

team collaborationleadershipinitiativeproactive approachmentorshipcommunicationproblem-solvingadaptabilityattention to detailself-motivation

Certifications

Bachelor's degree in Computer ScienceMaster's degree in Computer EngineeringTop-Secret clearance