Job Title: Java Backend Developer (Kafka + Node.js)

Location: Phoenix, AZ

Duration: Long-Term Contract

Job Summary

Client is seeking an experienced Java Backend Developer with strong expertise in Java, Spring Boot, Apache Kafka, and Node.js to support the development of enterprise-scale banking applications. The ideal candidate will have experience building microservices, event-driven architectures, and high-performance backend systems in an Agile environment.

Required Qualifications

8+ years of hands-on experience in Java backend development.
Strong experience with Java 8/11/17 and Spring Boot.
Expertise in Microservices Architecture and RESTful API development.
Hands-on experience with Apache Kafka.
Experience developing backend services using Node.js.
Strong SQL skills with Oracle, PostgreSQL, or SQL Server databases.
Experience with Git, Maven/Gradle, Jenkins, and CI/CD pipelines.
Experience with Docker, Kubernetes, or OpenShift is a plus.
Familiarity with cloud platforms such as AWS or Azure is preferred.
Strong analytical, troubleshooting, and communication skills.

Responsibilities

Design, develop, and maintain scalable backend applications using Java and Spring Boot.
Develop event-driven solutions leveraging Apache Kafka.
Build and maintain backend services using Node.js.
Design and implement REST APIs and integrate with internal and external systems.
Collaborate with architects, business analysts, QA teams, and product owners throughout the SDLC.
Optimize application performance and ensure code quality through testing and code reviews.
Participate in Agile ceremonies and contribute to technical design discussions.
Support production deployments and resolve application issues.

Preferred Experience

Experience in Banking or Financial Services domain.
Knowledge of secure coding practices and API security (OAuth2/JWT).
Experience working with high-volume transaction processing systems and distributed architectures.

Java Backend Developer (Kafka + Node.js)

Key skills

About this role