Java-Kafka Developer

Ethereum Technologies LLC; Atlanta (GA); On-site; USD 120,000 - 190,000; Full time

Job summary

Ethereum Technologies LLC is seeking an experienced Java/Kafka engineer to design and maintain real-time data streaming pipelines. You will develop Kafka-based microservices, integrate with multiple data sources, and optimize performance for scalable operations.

The role requires 8+ years of hands-on experience, strong Java fundamentals, and deep Kafka expertise, with familiarity in Spring Boot and data warehousing technologies. Equality-driven employer with robust security practices.

Qualifications

• 8+ years of experience designing and maintaining real-time data streaming apps with Java and Kafka.
• Strong Java core concepts: multi-threading, concurrency, and collections.
• Deep Kafka knowledge: Streams, ZooKeeper, and Schema Registry.
• Experience with microservices and integrating Kafka with systems.
• Databases and data warehousing knowledge (PostgreSQL, Oracle) is preferred.
• Spring framework expertise (Spring Boot, Spring JPA) and ORM experience.
• Familiarity with big data technologies such as Spark, Hadoop, or Snowflake.

Responsibilities

• Data pipeline development: design, build, and maintain real-time streaming pipelines with Kafka and Java.
• Kafka application development: create producer and consumer apps including microservices.
• System integration: connect Kafka with various databases and data sources.
• Performance optimization: monitor and optimize Kafka cluster performance, topics, and brokers.
• Maintenance and support: upgrade and troubleshoot existing Kafka implementations.
• Security and compliance: implement measures to protect data streams and meet standards.

Skills

Core Java

Apache Kafka

Messaging/Streaming

Microservices

Databases

Spring Framework

Big Data

Tools

Kafka Streams

ZooKeeper

Schema Registry

PostgreSQL

Oracle

Spring Boot

JPA/ORM

Spark

Hadoop

Snowflake

Job description

8+ years skilled and experienced in design, development, and maintaining real-time data streaming applications using Java and Apache Kafka.

• Data pipeline development: Design, build, and maintain real-time data streaming pipelines using Apache Kafka and Java.
• Kafka application development: Develop and implement Kafka producer and consumer applications, including microservices.
• Integration: Integrate Kafka with various existing systems, databases, and data sources.
• Performance optimization: Monitor and troubleshoot Kafka cluster performance, topics, and brokers for efficiency and scalability.
• Maintenance and support: Support and upgrade existing Kafka implementations and troubleshoot issues.
• Security and compliance: Implement security measures to protect data streams and meet compliance standards.

To be skilled and experienced in:

• Core Java : Strong proficiency in Java, including concepts like multi-threading, concurrency, and collections.
• Apache Kafka : Deep knowledge of Kafka architecture, features, and components like Kafka Streams, ZooKeeper, and Schema Registry.
• Messaging and streaming: Experience with messaging and stream processing on Kafka.
• Microservices: Experience with microservices architecture, as many Kafka applications are built as microservices.
• Databases: Experience with databases and data warehousing technologies (e.g., PostgreSQL, Oracle) is often required or preferred
• Frameworks: Experience with frameworks like Spring (Spring Boot, Spring JPA) and ORM frameworks.
• Big data technologies: Familiarity with big data technologies like Spark, Hadoop, or Snowflake.

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract