Java Springboot Developer

Java Springboot DeveloperLocation: Hybrid in office 3 days a week - preference to Denver hub, but open to MN, Atlanta and Irving Duration: 4-month contract with possible extension.Design, develop, and implement enterprise-grade microservices using Java 8/17/21 and the Spring Boot framework.Build scalable, secure, and maintainable backend solutions following microservices architecture principles.Analyze and assess user issues, perform system reviews, troubleshoot problems, and deliver timely resolutions.Work effectively in a fast-paced, agile, and team-oriented environment.Develop and maintain comprehensive unit and integration test coverage using JUnit and Mockito.Identify, troubleshoot, and resolve software defects and performance issues.Ensure software solutions meet all functional, non-functional, quality, and security requirements.Produce clear technical documentation, API specifications, and operational guides for developed services.Share technical knowledge and mentor team members on best practices and modern development techniques.Create, deploy, monitor, and support microservices using Spring Boot and cloud-native development practices.Follow the complete Software Development Life Cycle (SDLC), including design, development, testing, deployment, and support.Design and implement RESTful APIs and integrate microservices with relational and non-relational databases.Develop event-driven solutions leveraging messaging technologies such as Kafka.Create high-quality, scalable, resilient, and maintainable applications with a focus on backend systems and distributed architectures.Implement CI/CD best practices and ensure code quality through automated testing and code reviews.Demonstrate strong design and programming skills using Java, Spring Framework, JSON, REST Web Services, XML, XSLT, PL/SQL, and Unix/Windows environments.Required Skills, Experience & CapabilitiesStrong hands-on experience with Java 8, Java 17, and/or Java 21.Extensive experience designing and developing Microservices using Spring Boot.Deep understanding of Spring ecosystem components, including:Spring Data JPASpring SecuritySpring HATEOASSpring RESTSpring for Apache KafkaJPA Criteria QueryStrong experience building RESTful APIs, web services, and distributed applications.Hands-on experience with event-driven architecture and messaging technologies such as Kafka.Proficiency in source control and DevOps tools such as Git, Swagger/OpenAPI, and CI/CD pipelines.Solid experience writing unit, integration, and automated tests using JUnit 5, Mockito.Strong understanding of object-oriented design principles, design patterns, and clean coding practices.Experience with relational databases, SQL, PL/SQL, and data integration patterns.Knowledge of configuration and markup formats such as JSON, YAML, XML, and related technologies.Working knowledge of quality and security scanning tools such as SonarQube, Fortify, and WebInspect.Experience with Agile/Scrum development methodologies.Excellent problem-solving, communication, and collaboration skills