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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Developer - **Company:** CEI LLC - **Location:** Strongsville, OH, United States - **Salary:** $141,440.0 - **Contract:** Temporary to permanent - **Skills:** Java (Programming Language), Automation of Tests, Configuration Management, Databases, Continuous Integration, Data Infrastructure, Data Integration, Database Queries, Elasticsearch, Java Platform Enterprise Edition (J2EE), Protocol Buffers, Hibernate (Java), Java Management Extensions, Spring Framework, JSON, PostgreSQL, Enterprise Messaging Systems, Microsoft SQL Server, MongoDB, OpenShift, Oracle (Applications), Performance Tuning, Scrum Methodology, RabbitMQ, Logstash, Prometheus, Standard Sql, Software Engineering, Data Logging, Spring Cloud, DevOps Tools - Open-source, Grafana, Spring-boot, Git, Event Driven Architecture, Containerization, Kubernetes, Apache Flink, Cassandra, Avro, Apache Kafka, Kibana, Restful APIs, Stream Processing, Dynatrace, Docker, Jenkins, Microservices - **Published:** September 11, 2026 - **Apply:** https://www.thejobnetwork.com/job/46185c6f-47b0-4aff-87dd-a15efd4ef18a/backend-java-developer ## About the Role 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., * 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. ## Related Videos - [From event streaming to event sourcing 101](https://www.wearedevelopers.com/videos/91-from-event-streaming-to-event-sourcing-101) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers)