Senior Java Software Engineer
Senior Java EngineerLocation: Remote (U.S. Based)Terms: 6-month contract to hireAll candidates must be authorized to work in the United States without sponsorship now or in the future. This role is not open to C2C candidates or third-party vendors.Capstone IT is helping our client to hire a Senior Full Stack Java Developer to design, develop, and support modern enterprise applications that drive business growth initiatives. This role requires strong experience building cloud-native applications, microservices, APIs, event-driven systems, and modern user interfaces while collaborating across business and technical teams.This is new development with a focus on back end and middleware to connect existing legacy systems to new systems.ResponsibilitiesLead the design, development, testing, integration, and support of enterprise applications and services.Build scalable full-stack applications using Java, Spring Boot, and React.Design, develop, and maintain RESTful APIs and microservices.Develop and support event-driven solutions and messaging integrations.Collaborate with business stakeholders, architects, developers, and external vendors to deliver technology solutions.Evaluate technical approaches and recommend scalable, maintainable solutions.Build and maintain automated testing frameworks and quality processes.Optimize application performance, reliability, and scalability.Contribute to CI/CD pipelines, deployment automation, and DevOps best practices.Mentor team members and contribute to engineering standards and best practices.Leverage AI-assisted and agentic development tools to improve software delivery.Required Skills & QualificationsJava (11-21)Spring BootREST API developmentMicroservices architectureAWS cloud servicesApache Kafka and event-driven architectureMongoDB or similar NoSQL databaseDocker/Kubernetes in cloud environmentsCI/CD pipelinesFamiliarity with AI agentic software development tools and practices.Nice to haveGradle/GroovyReact (17-19)MuleSoft or API GatewayEducation and Experience10+ years of software development experience in enterprise environments.Bachelor's degree in Computer Science from a U.S.-based accredited universityExperience working with large insurance companies.Capstone Consulting is an EEO employer.Capstone website: http://www.capstonec.com/Like us on Facebook: https://www.facebook.com/CapstoneITStaffingSolutions/Follow us on Twitter: https://twitter.com/capstone__IT/Connect with us on LinkedIn: https://linkedin.com/company/capstone-consulting/