Senior Java Kafka Developer

Job Title: Senior Java Kafka Developer
Location: Whippany, NJ 07981 (Onsite-Hybrid. LOCAL CANDIDATES ONLY!!!)
Contract duration: 12 months

Core Responsibilities:

• Design & Development: Build and maintain high-quality backend services using Java and the Spring Boot ecosystem.
• Event-Driven Architecture: Design and optimize Apache Kafka streaming pipelines, including managing producers, consumers, topic partitioning, and schema evolution.
• Cloud Infrastructure: Deploy and manage scalable cloud services on AWS, specifically utilizing Amazon MSK (Managed Streaming for Kafka), Lambda, EC2, S3, and RDS.
• Pipeline Management: Implement real-time or near real-time data pipelines to ingest and process substantial data volumes.
• Quality & Operations: Ensure operational stability through unit testing, code reviews, CI/CD automation, and performance tuning at the JVM level.

Required Technical Skills:

• Java Proficiency: Expert-level knowledge of Core Java and the Spring Framework.
• Kafka Mastery: Hands-on experience with Kafka Streams, consumer group design, and resilient processing patterns.
• AWS Expertise: Familiarity with core AWS services and ideally AWS Certification (Developer or Architect Associate).
• Microservices: Practical experience with RESTful APIs, service decomposition, and patterns like circuit breakers or sagas.
• Database Knowledge: Often requires experience with NoSQL or SQL databases such as Cassandra, DynamoDB, or PostgreSQL.

Must Have Skills:

• Java Proficiency: Expert-level knowledge of Core Java and the Spring Framework.
• Kafka Mastery: Hands-on experience with Kafka Streams, consumer group design, and resilient processing patterns.
• AWS Expertise: Familiarity with core AWS services and ideally AWS Certification (Developer or Architect Associate).
• Microservices: Practical experience with RESTful APIs, service decomposition, and patterns like circuit breakers or sagas.
• Database Knowledge: Often requires experience with NoSQL or SQL databases such as Cassandra, DynamoDB, or PostgreSQL.
• Minimum Years of Experience:
• 5-8 years