Senior Java Developer with Kafka

Cognizant; Bangalore Rural, Bengaluru; Hybrid; INR 1,800,000 - 3,000,000; Full time

Job summary

Cognizant Bengaluru is seeking a Senior Java Developer with Kafka to design and build scalable enterprise applications using Java, Spring Boot, and microservices.

The ideal candidate has 6+ years of hands-on experience, strong REST API skills, and experience configuring and optimizing Kafka workloads in cloud or on‑prem environments. Join a dynamic team delivering robust, scalable software solutions.

Qualifications

• 6+ years of hands-on Java development experience.

Responsibilities

• Design, develop, and maintain enterprise-grade applications using Java and related technologies.
• Develop and implement event-driven solutions using Apache Kafka.
• Create and manage Kafka Producers, Consumers, Topics, Partitions, and Consumer Groups.
• Design and develop Microservices using Spring Boot.
• Build and consume REST APIs and integrate with external systems.
• Troubleshoot and optimize application and Kafka performance.
• Participate in architecture discussions and technical design reviews.
• Implement CI/CD pipelines and deployment automation.
• Ensure application security, scalability, availability, and reliability.
• Collaborate with cross-functional teams including Business, QA, DevOps, and Product Owners.
• Mentor junior developers and contribute to coding standards and best practices.

Education

Bachelor's Degree in Computer Science, Engineering, or related field

Tools

Java 8/11/17

Core Java

Collections Framework

Exception Handling

Multithreading & Concurrency

OOP Concepts

Design Patterns

JVM Performance Tuning

Apache Kafka

Kafka Producers & Consumers

Kafka Streams

Kafka Connect

Topic Configuration

Partitioning

Consumer Group Management

Event-Driven Architecture

Schema Registry (Avro/JSON)

Kafka Performance Tuning

Message Serialization/Deserialization

Job description

Job Title: Senior Java Developer with Kafka
Experience: 6+ Years
Location: Bengaluru
Employment Type: Full-Time

Job Summary

We are looking for a highly skilled Java Developer with 6+ years of experience in building scalable enterprise applications using Java, Spring Boot, Microservices, and Apache Kafka. The ideal candidate should have strong expertise in designing event-driven architectures, developing RESTful APIs, and working with distributed systems in cloud or on-premises environments.

Key Responsibilities

• Design, develop, and maintain enterprise-grade applications using Java and related technologies.
• Develop and implement event-driven solutions using Apache Kafka.
• Create and manage Kafka Producers, Consumers, Topics, Partitions, and Consumer Groups.
• Design and develop Microservices using Spring Boot.
• Build and consume REST APIs and integrate with external systems.
• Troubleshoot and optimize application and Kafka performance.
• Participate in architecture discussions and technical design reviews.
• Implement CI/CD pipelines and deployment automation.
• Ensure application security, scalability, availability, and reliability.
• Collaborate with cross-functional teams including Business, QA, DevOps, and Product Owners.
• Mentor junior developers and contribute to coding standards and best practices.

Required Technical Skills

Java Technologies

• Java 8/11/17
• Core Java
• Collections Framework
• Exception Handling
• Multithreading & Concurrency
• OOP Concepts
• Design Patterns
• JVM Performance Tuning

Kafka

• Apache Kafka
• Kafka Producers & Consumers
• Kafka Streams
• Kafka Connect
• Topic Configuration & Partitioning
• Consumer Group Management
• Event-Driven Architecture
• Schema Registry (Avro/JSON)
• Kafka Performance Tuning
• Message Serialization/Deserialization

Required Qualifications

• Bachelor's Degree in Computer Science, Engineering, or related field.
• 6+ years of hands-on experience in Java development.
• Minimum 2+ years of experience working with Apache Kafka.
• Strong experience in Spring Boot and Microservices architecture.
• Experience working in Agile/Scrum environments.
• Strong problem-solving and debugging skills.