Backend Java Developer

Job Description

Job Description

Java DeveloperJob at a Glance

• Title: Java Developer
• Location: Strongsville, OH (Most Preferred); Pittsburgh, PA (Second Preferred)
• Contract: W2 only,12 month contract with potential for extension or conversion to full time with either the client or CEI
• Pay: $68/hour + optional medical, dental, vision, 401(k) match

Overview

Multiple years of experience in software development with a strong focus on Java / J2EE technologies. Proven experience in programming microservices-based applications, Kafka, Kstreams, and Flink. This role involves providing technical guidance and leading a team within a data platform in retail, interacting with business analysts and testing teams.

Key Responsibilities

• Multiple years of experience in software development with strong focus on Java / J2EE technologies.
• Proven experience in programming microservices-based applications, Kafka, Kstreams, and Flink.
• Strong knowledge of Spring Boot, Spring Cloud, Hibernate, REST APIs.
• Hands-on experience writing queries with Oracle and MSSQL Databases.
• Good understanding of containerization technologies like OCP, Docker, Kubernetes.
• Experience with CI/CD pipelines, Git, Jenkins, and automated testing tools.
• Strong problem-solving skills and ability to lead technical teams.
• Provides technical guidance and support to colleagues and solution development.

Required Skills

• Automated testing tools
• CI/CD & DevOps tooling (pipelines, Git, Jenkins)
• Configuration management & performance optimization
• Container platforms (Docker, Kubernetes, OpenShift/OCP)
• Expert Java & J2EE
• Kafka & Kafka Streams, Mappers
• Microservices Architecture
• Oracle & SQL
• REST API development
• Spring Framework (Spring Boot, Spring Cloud)

Required Education

• No Education Requirements

Preferred Skills

• Experience with event-driven architecture, messaging systems like Kafka or RabbitMQ.
• Exposure to SAFE Agile/Scrum methodologies.
• Understanding of Kafka architecture (brokers, partitions, topics, producers, consumers).
• Experience with Kafka Connect for external data integration.
• Knowledge of schema management with Avro, Protobuf, or JSON.
• Connecting Kafka Streams with databases (PostgreSQL, MongoDB, Cassandra).
• Using Kafka Connect for external data integration.
• Logging and tracing using ELK (Elasticsearch, Logstash, Kibana) or OpenTelemetry.
• Monitoring and optimization of Kafka Streams metrics (through JMX, Grafana, Prometheus).
• Handling out-of-order events and rebalancing issues.
• Knowledge of Apache Flink or KSQLDB for alternative stream processing.
• Experience with tools like Dynatrace for troubleshooting.

Why Should I Apply?

This role offers the opportunity to work with modern technologies in a dynamic environment, leading technical teams and contributing to innovative data platform solutions. It is ideal for professionals seeking growth and impactful projects within a retail data platform.

About CEI:
As a trusted technology partner, CEI delivers solutions that help our customers transform their business and achieve meaningful results. From strategy and custom application development through application management - our technology and digital experience services are tailored to meet each unique need of our customers. Our staffing solutions bring specialized skills to complement our customers' workforce and project requirements.

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