Java Developer

2 weeks ago

Bengaluru, Karnataka, India Cognizant Full time

Role Overview:

We are seeking a skilled Java Developer to design and develop scalable backend systems using Spring Boot and Microservices architecture. The ideal candidate will also have hands-on experience with Apache Kafka for building real-time data pipelines and event-driven systems.

Key Responsibilities:

  • Develop and maintain backend services using Java, Spring Boot, and Microservices architecture.
  • Design and implement RESTful APIs and integrate with frontend or other services.
  • Build and manage Kafka producers, consumers, and Kafka Streams for real-time data processing.
  • Ensure high availability, scalability, and performance of microservices.
  • Collaborate with cross-functional teams including DevOps, QA, and frontend developers.
  • Implement unit testing, integration testing, and participate in code reviews.
  • Monitor and troubleshoot production issues using logging and monitoring tools.
  • Work with Docker, Kubernetes, and CI/CD pipelines for deployment and automation.
  • Maintain documentation for services, APIs, and Kafka stream topologies.

Required Skills:

  • Strong proficiency in Java 8+, Spring Boot, and Spring Cloud.
  • Experience in Microservices architecture and API Gateway patterns.
  • Hands-on experience with Apache Kafka, including Kafka Streams, Kafka Connect, and Schema Registry.
  • Familiarity with message serialization formats like Avro or Protobuf.
  • Good understanding of event-driven architecture and asynchronous communication.
  • Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB).
  • Knowledge of Docker, Kubernetes, and CI/CD tools (e.g., Jenkins, GitLab).
  • Familiarity with cloud platforms like AWS, Azure, or GCP is a plus.

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