Java Developer (Kotlin Vert.X RxJava)

Phoenix, NM - USA

Monthly Salary: Not Disclosed

Posted on: 08-11-2025

Vacancies: 1 Vacancy

Job Summary

Position: Java Developer (Kotlin / Vert.X / RxJava)

Location: Phoenix AZ (Onsite)
Employment Type: Contract

Role Summary:

We are seeking an experienced Java Developer with strong expertise in Kotlin Vert.X and RxJava frameworks to design and develop scalable high-performance applications. The ideal candidate will have deep technical proficiency in Java/J2EE and Spring Boot along with a willingness to explore Large Language Models (LLMs) and Generative AI technologies.

Key Responsibilities:

Design and develop high-performing distributed applications using Java/J2EE Kotlin Vert.X and RxJava.
Build and optimize RESTful APIs and microservices architecture.
Collaborate with cross-functional teams to develop test and deploy robust backend solutions.
Work with JSON Web Services and complex data structures for integration and interoperability.
Participate in the full SDLCdesign development testing deployment and support.
Apply best practices in code quality version control (GIT) and CI/CD automation.
Work with SQL and NoSQL databases such as Oracle DB2 Cassandra and Couchbase.
Implement automated testing using Selenium REST Assured and Cucumber.
Leverage JIRA/Rally and Agile methodologies for sprint planning and progress tracking.
Stay updated with emerging technologies like Generative AI and integrate them into business solutions.

Required Skills & Experience:

6-10 years of software development experience.
Strong proficiency in Java/J2EE Spring Boot Vert.X RxJava and Kotlin.
Hands-on experience in REST API development and integration.
Deep understanding of JSON Web Services and multi-tier distributed systems.
Knowledge of object-oriented design principles and code optimization techniques.
Experience with SQL and NoSQL databases (Oracle DB2 Cassandra Couchbase).
Proficient in CI/CD tools such as Jenkins Maven Nexus and GIT.
Strong understanding of test automation frameworks and tools.
Familiarity with Agile development methodologies and lifecycle management tools (JIRA Rally).

Nice to Have:

Exposure to LLMs (Large Language Models) and Generative AI projects.
Experience with containerization technologies such as Docker and Kubernetes.
Familiarity with cloud platforms (AWS GCP or Azure).

Position: Java Developer (Kotlin / Vert.X / RxJava) Location: Phoenix AZ (Onsite)Employment Type: Contract Role Summary: We are seeking an experienced Java Developer with strong expertise in Kotlin Vert.X and RxJava frameworks to design and develop scalable high-performance applications. The ideal c...