> Markdown version of [/jobs/ext/3668275-descriptionfull-stack-java-and-react-developer](https://www.wearedevelopers.com/jobs/ext/3668275-descriptionfull-stack-java-and-react-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # DescriptionFull-Stack Java and React Developer - **Company:** Cross Resource Group - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $133,120.0 - $156,000.0 - **Contract:** Temporary to permanent - **Skills:** Java (Programming Language), JavaScript (Programming Language), Component-Based Software Engineering, Application Frameworks, Systems Engineering, HTML5, Cascading Style Sheets (CSS), Configuration Management, Code Review, Cyber Security, Databases, Continuous Integration, Relational Databases, Design of User Interfaces, Identity and Access Management, PostgreSQL, MySQL, OAuth, Object-Oriented Software Development, Oracle (Applications), Next.js, Security Assertion Markup Language (SAML), Web Application Security, Data Streaming, Web Applications, ReactJS, Spring-boot, Software Security, Backend, Git, SC Clearance, Build Management, Integration Tests, Kubernetes, Front End Software Development, React Redux, Restful APIs, Devsecops, Docker - **Published:** October 10, 2026 - **Apply:** https://www.thejobnetwork.com/job/89e53bdc-5fe2-4bd6-8e42-bacccd3d82e6/fullstack-java-and-react-developer ## About the Role The best fit is a mid-to-senior full-stack engineer with 5-10 years of hands-on Java and React experience who can work in a structured, security-conscious environment and collaborate effectively with systems, UX, database, and DevSecOps partners., * 5-10 years of professional full-stack software development experience. * Strong production experience with Java and Spring Boot on the backend and React on the frontend. * Demonstrated ability to design, implement, and troubleshoot RESTful APIs. * Strong foundation in object-oriented design, secure web development, JavaScript, HTML5, and CSS3. * Experience with at least one relational database such as PostgreSQL, Oracle, or MySQL. * Working experience with Git, automated build and deployment pipelines, code review, and Agile delivery practices. * U.S. citizenship and the ability to obtain a Secret security clearance. * Ability to work onsite three days per week in Andover, Massachusetts or Tucson, Arizona., * Experience delivering software for aerospace, defense, federal, or another regulated and security-sensitive environment. * Experience with Redux, Next.js, or a comparable React state-management or application framework. * Working knowledge of Docker, Kubernetes, and DevSecOps pipelines. * Experience integrating OAuth 2.0, SAML, or comparable identity and access-management services. * Experience modernizing legacy Java or web applications and supporting secure deployment environments. ## Description Contract Duration: Approximately 6 months, with potential to extend or convert based on performance, business need, funding, and client approval, * Design, build, test, and maintain full-stack applications using Java, Spring Boot, React, JavaScript, HTML5, and CSS3. * Develop RESTful APIs and secure service integrations between front-end applications, backend services, identity platforms, and relational databases. * Translate system and user requirements into maintainable application components, reusable interfaces, and reliable data flows. * Partner with UI/UX designers, systems engineers, database administrators, cybersecurity personnel, and other developers throughout the delivery lifecycle. * Participate in peer reviews, automated and integration testing, defect resolution, and CI/CD deployment activities. * Troubleshoot application behavior across the stack and improve reliability, security, performance, and maintainability. * Support modernization or migration of legacy applications into current web architectures while protecting required functionality and interfaces. * Produce clear technical documentation and follow program-specific security, coding, configuration-management, and compliance standards.