Java Developer -Bangalore

Cognizant; Bengaluru; On-site; INR 2,000,000 - 4,200,000; Full time

Job summary

Cognizant in Bangalore is seeking a Java Kafka Developer with 6 to 13 years of experience to design and build scalable distributed applications using Java, Spring Boot, Kafka, and microservices. You will develop RESTful APIs and work on event-driven architectures.

The role emphasizes strong debugging, collaboration with cross-functional teams, and adherence to coding standards. In-office work is mandatory, with a 5-day workweek at the Bengaluru site.

Qualifications

• Strong hands-on experience in Java and Kafka development.
• Experience building high-volume, distributed, and real-time processing applications.
• Proficient in designing scalable microservices and RESTful APIs.
• Experience with Spring ecosystem and distributed messaging.

Responsibilities

• Design, develop, and maintain scalable Java-based applications and microservices.
• Build and implement event-driven solutions using Apache Kafka.
• Develop and consume RESTful APIs for enterprise applications.
• Design and optimize Kafka producers, consumers, topics, and partitions.
• Collaborate with architects, business analysts, and cross-functional teams to deliver high-quality solutions.
• Perform code reviews and ensure adherence to coding standards and best practices.
• Troubleshoot and resolve performance, scalability, and reliability issues.
• Participate in application design discussions and technical solutioning.
• Develop unit tests and support automated testing initiatives.
• Ensure application security, maintainability, and operational excellence.

Skills

Core Java

Multithreading

Collections Framework

Exception Handling

JVM Concepts

Spring Boot

Spring MVC

Spring Data JPA

Spring Security

Apache Kafka

Kafka Producers

Kafka Streams

Event-Driven

Message Queues

Microservices

REST APIs

API Integration

SQL

Oracle

PostgreSQL

MySQL

Object-Oriented Design

Design Patterns

Unit Testing

Git

Azure Cloud

AWS Cloud

Docker

Kubernetes

CI/CD

Monitoring

Agile/Scrum

Performance Tuning

Tools

Jenkins

CI/CD Pipelines

Job description

Job Description - Java Kafka Developer

Role: Java Kafka Developer
Experience: 6 to 13 Years
Location: Bangalore
Work Model: 5 Days Work from Office (Mandatory)

Role Overview

We are looking for a highly skilled Java Kafka Developer with strong experience in designing and developing scalable, high-performance distributed applications. The ideal candidate should possess expertise in Java, Spring Boot, Apache Kafka, Microservices, and RESTful APIs, along with a strong understanding of event-driven architectures and enterprise application development.

Key Responsibilities

• Design, develop, and maintain scalable Java-based applications and microservices.
• Build and implement event-driven solutions using Apache Kafka.
• Develop and consume RESTful APIs for enterprise applications.
• Design and optimize Kafka producers, consumers, topics, and partitions.
• Collaborate with architects, business analysts, and cross-functional teams to deliver high-quality solutions.
• Perform code reviews and ensure adherence to coding standards and best practices.
• Troubleshoot and resolve performance, scalability, and reliability issues.
• Participate in application design discussions and technical solutioning.
• Develop unit tests and support automated testing initiatives.
• Ensure application security, maintainability, and operational excellence.

Mandatory Skills

Core Java

• Java 8/11/17
• Multithreading
• Collections Framework
• Exception Handling
• JVM Concepts

Frameworks

• Spring Boot
• Spring MVC
• Spring Data JPA
• Spring Security

Messaging & Streaming

• Apache Kafka
• Kafka Producers and Consumers
• Kafka Streams
• Event-Driven Architecture
• Message Queue Concepts

Microservices

• Microservices Architecture
• REST APIs
• API Development & Integration

Database

• SQL
• Oracle / PostgreSQL / MySQL

Development Practices

• Object-Oriented Design
• Design Patterns
• Unit Testing (JUnit, Mockito)
• Git Version Control

Preferred Skills

• Azure Cloud or AWS Cloud
• Docker
• Kubernetes
• CI/CD Pipelines
• Splunk / Dynatrace Monitoring
• Agile/Scrum Methodology
• Performance Tuning and Optimization

Desired Candidate Profile

• Strong hands-on experience in Java and Kafka development.
• Experience building high-volume, distributed, and real-time processing applications.
• Strong debugging and analytical skills.
• Excellent communication and stakeholder management abilities.
• Ability to work independently and in a collaborative environment.
• Experience working in Agile project delivery teams.

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