Java Kafka Developer

Location: Calgary, AB (F2F Interview is mandatory)

Job Type: Full-Time

Work Model: Hybrid – Calgary, AB

Job Summary

We are looking for an experienced Java Kafka Developer to join our development team in Calgary, AB. The ideal candidate will have strong hands-on experience in Core Java and Apache Kafka , with a solid understanding of backend application development, event-driven architecture, and distributed systems.

The candidate will be responsible for designing, developing, integrating, and supporting scalable Java-based applications and Kafka streaming solutions.

Key Responsibilities

- Design, develop, and maintain scalable backend applications using Core Java .
- Develop and integrate Apache Kafka producers and consumers for real-time event streaming.
- Build reliable, high-performance applications using object-oriented design and Java best practices.
- Work with Kafka topics, partitions, consumer groups, offsets, and message processing.
- Troubleshoot application and Kafka-related issues and optimize system performance.
- Participate in code reviews, technical discussions, testing, and production support.
- Collaborate with architects, developers, QA teams, business analysts, and other stakeholders.
- Develop clean, maintainable, reusable, and well-documented code.
- Support application integration and deployment across different environments.

Required Technical Skills
- Solid hands-on experience with Java / Core Java .




- Excellent understanding of OOP, Collections, Exception Handling, Multithreading, and Concurrency .
- Experience with Java 8+ features including Streams and Lambda expressions .
- Strong experience with Apache Kafka .
- Hands-on knowledge of Kafka Producers, Consumers, Topics, Partitions, Consumer Groups, and Offset Management .
- Understanding of Kafka event-driven architecture and asynchronous processing.
- Strong problem-solving and debugging skills.
- Experience with REST APIs and backend application development.
- Experience with SQL and relational databases.
- Familiarity with Git, Maven/Gradle, and Agile development practices.

Good to Have
- Experience with Spring / Spring Boot .
- Experience with Microservices architecture .
- Knowledge of Kafka monitoring, performance tuning, replication, and fault tolerance.
- Experience with Docker/Kubernetes or cloud platforms such as AWS, Azure, or GCP.
- Experience with JUnit/Mockito.
- Experience working in large enterprise environments.

Qualifications
- Bachelor's degree in Computer Science, Engineering, or a related field.
- 5+ years of Java development experience .
- Strong hands-on experience with Core Java and Kafka .
- Excellent communication and analytical skills.
- Ability to work effectively in a collaborative development environment.
- Candidates must be able to work from Calgary, AB , according to the requi

📌 Java Kafka Developer (Calgary)
🏢 HireOn Tech
📍 Calgary