Java Developer
Location: Denver, CO (Onsite)
About Us
STAFFXPERT LLC is a trusted staffing and talent solutions partner dedicated to connecting exceptional professionals with leading organizations across technology, engineering, healthcare, finance, and other high-demand industries. We focus on delivering top-tier talent and creating successful long-term partnerships for both our clients and candidates.
Job Summary
STAFFXPERT LLC is seeking a Java Developer on behalf of our client in Denver, CO. This role is ideal for an experienced software professional with a strong background in developing scalable, high-performance enterprise applications. The successful candidate will leverage expertise in Java, Spring Boot, Microservices, and RESTful APIs to design, build, and maintain innovative software solutions while collaborating with cross-functional teams in an Agile environment.
Key Responsibilities
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Design, develop, test, and maintain enterprise-grade Java applications.
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Build and enhance scalable RESTful APIs and microservices-based solutions.
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Develop secure, reliable, and high-performing backend services using Spring technologies.
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Collaborate with Business Analysts, Architects, QA Engineers, DevOps teams, and Product Owners to deliver quality software solutions.
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Participate in system design, architecture discussions, and code reviews.
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Write clean, maintainable, and efficient code following industry best practices.
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Troubleshoot, debug, and optimize existing applications.
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Support software deployments and contribute to CI/CD practices.
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Ensure application performance, scalability, and security standards are met.
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Actively participate in Agile ceremonies and development activities.
Required Qualifications
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Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
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10+ years of professional experience in Java application development.
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Strong expertise in Java (Java 8, 11, and/or 17).
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Solid understanding of Object-Oriented Programming (OOP) principles and design patterns.
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Hands-on experience with:
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Spring Framework
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Spring Boot
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Spring MVC
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Spring Security
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Spring Data JPA
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Strong experience designing and developing RESTful APIs.
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Proven experience building and supporting Microservices architectures.
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Experience with Hibernate and/or JPA.
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Strong knowledge of relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
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Experience with build tools such as Maven or Gradle.
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Proficiency with Git and version control practices.
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Familiarity with Agile/Scrum methodologies.
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Strong analytical, troubleshooting, and problem-solving skills.
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Excellent verbal and written communication skills.
Preferred Qualifications
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Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform (GCP).
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Familiarity with containerization technologies including Docker and Kubernetes.
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Experience with CI/CD tools and automation practices.
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Knowledge of messaging platforms such as Kafka or RabbitMQ.
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Exposure to monitoring and logging tools within distributed application environments.
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