Backend Java Developer: GraphQL, Kafka & WebFlux

Revel IT; Columbus (OH); Hybrid; USD 199,752,000 - 268,632,000; Part time

Job summary

Revel IT is seeking a Backend Java Developer for a 12+ month contract on-site in New Albany, OH, with a hybrid work arrangement. You will design, build, and support scalable backend services for enterprise applications.

The role requires 3-5 years of backend Java experience, Kafka, Spring WebFlux, GraphQL, Spring Boot, and Docker/Kubernetes; you will implement GraphQL APIs, reactive systems, and CI pipelines.

Qualifications

• 3-5 years of backend development experience with Java, Kafka, Spring WebFlux and GraphQL.
• Bachelor's degree in Computer Science, Engineering, Information Systems, or related field.
• Strong understanding of reactive programming and its application in Spring WebFlux.
• Proven experience designing and implementing GraphQL APIs.
• Experience with Spring Boot 2.7+ and Spring Security 5.x preferred.
• Familiarity with OAuth and JWT a plus.
• Excellent analytical, troubleshooting, and problem-solving skills.
• Strong verbal and written communication skills; able to work independently and in a team.

Responsibilities

• Develop and maintain backend services using Java and Spring Boot with Spring Security.
• Design and implement GraphQL APIs for data retrieval and manipulation.
• Apply reactive programming with Spring WebFlux to build non-blocking apps.
• Manage Kafka-based event-driven architecture with topic config and Spring Boot integration.
• Build Kafka producers/consumers for reliable messaging.
• Support Kafka implementations using Confluent Cloud.
• Implement data access with MyBatis, JDBC and SQL.
• Deploy and maintain apps on Tomcat.
• Support container orchestration with Docker and Kubernetes.
• Follow TDD practices.
• Build CI pipelines with GitLab CI and Helm deployments.

Skills

Java

Kafka

Spring WebFlux

GraphQL

Reactive programming

Education

Bachelor's degree in Computer Science, Engineering, Information Systems, or related field

Tools

Docker

Kubernetes

Tomcat

MyBatis

GitLab CI

Job description

Revel IT is seeking a Backend Java Developer for a 12+ month contract on-site in New Albany, OH, with a hybrid work arrangement. You will design, build, and support scalable backend services for enterprise applications.

The role requires 3-5 years of backend Java experience, Kafka, Spring WebFlux, GraphQL, Spring Boot, and Docker/Kubernetes; you will implement GraphQL APIs, reactive systems, and CI pipelines.