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# Java with Apache Flink

- **Company:** RealTek Consulting
- **Location:** Columbus, OH, United States
- **Contract:** Contract
- **Skills:** Java (Programming Language), Microsoft Windows, Application Programming Interfaces (APIs), Continuous Integration, Software Debugging, Distributed Systems, Memory Management, Fault Tolerance, Github, Java Virtual Machine (JVM), PostgreSQL, MongoDB, MySQL, NoSQL, Oracle (Applications), Performance Tuning, Software Engineering, SQL Databases, Software Organization, Multithreading, Concurrency, Spring-boot, Git, Event Driven Architecture, Gitlab-ci, Apache Flink, Cassandra, Apache Kafka, Restful APIs, Stream Processing, Docker, Jenkins, Microservices
- **Published:** November 3, 2026
- **Apply:** https://www.dice.com/job-detail/49d78d00-15f3-4b3f-bce8-5dfc399a9de8

## About the Role

· years of professional software development experience.

· Strong hands-on experience with Java 8/11/17+.

· Strong expertise in Apache Flink and distributed stream processing.

· Experience with Flink DataStream API, Table API, and Flink SQL.

· Strong understanding of stream processing concepts, including:

· Event time and processing time

· Windows and watermarks

· Stateful processing

· Checkpointing and savepoints

· Fault tolerance

· Exactly-once/at-least-once processing

· Strong experience with Apache Kafka and event-driven architectures.

· Experience developing RESTful APIs and microservices using Spring Boot.

· Strong understanding of multithreading, concurrency, JVM, memory management, and performance tuning.

· Experience with distributed systems and scalable application architecture.

· Experience with relational and/or NoSQL databases such as PostgreSQL, Oracle, MySQL, MongoDB, or Cassandra.

· Experience with Docker and Kubernetes.

· Strong understanding of CI/CD, preferably Jenkins, GitHub Actions, GitLab CI, or similar.

· Experience with Git and modern software development practices.

Strong debugging, troubleshooting, and problem-solving skill