Java Engineer (API, Vertex)

Computer Task Group, Inc
Phoenix, AZ

Job Description

Job Description

Overview

CTG is seeking a Java Engineer (API, Vertex) to join our client’s team. This role will focus on designing, developing, and supporting high-performance backend services using Java, Vert.x, reactive programming, and modern cloud-native technologies. The ideal candidate will have strong experience building microservices, event-driven architectures, REST APIs, and distributed systems.

Location: Phoenix, AZ
Duration: 12 months

Key Responsibilities:

  • Develop and support enterprise Java applications and backend services.
  • Build scalable APIs and microservices using Java and Vert.x reactive frameworks.
  • Design and implement event-driven solutions using messaging platforms such as Kafka or RabbitMQ.
  • Develop asynchronous processing solutions and integrations within distributed environments.
  • Support data ingestion solutions, including Lumi integrations from enterprise databases.
  • Collaborate with Agile teams to deliver high-quality software solutions.
  • Apply DevOps practices using Docker, Kubernetes, and CI/CD methodologies.
  • Utilize AI-assisted development tools such as GitHub Copilot to improve productivity and code quality.

Required Qualifications:

  • 6+ years of experience in Java-based backend development.
  • Strong hands-on experience with Vert.x and reactive programming paradigms.
  • Strong understanding of microservices and event-driven architecture.
  • Experience with REST APIs, asynchronous processing, and distributed systems.
  • Experience with messaging systems such as Kafka, RabbitMQ, or similar technologies.
  • Experience with Docker and Kubernetes.
  • Exposure to AI-assisted development tools.
  • Strong problem-solving skills and ability to work effectively in an Agile environment.
  • Prior Lumi ingestion experience is highly preferred.
  • Prior client experience with data ingestion to Lumi from databases is required.

Preferred Experience:

  • Experience developing enterprise applications using Java/JEE technology stacks.
  • Experience with dependency injection, inversion of control, functional programming, test-driven development, and transaction management frameworks.
  • Experience supporting large-scale application integrations and cloud-native solutions.
  • Strong collaboration skills with development, architecture, and business teams.

Education:

  • Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field preferred, or equivalent professional experience.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

To Apply:
To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!

Posted 2026-07-10

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