Java Backend Developer with Kafka

Capco; Bengaluru; On-site; INR 1,200,000 - 1,900,000; Full time

Job summary

Capco in Bengaluru seeks a Senior Java Backend Developer skilled in Java Spring Boot and Kafka to design and implement scalable backend services in a cloud environment.

You will work with AWS components like Lambda and API Gateway, integrate CI/CD pipelines, write unit tests with JUnit, and collaborate in an Agile team using Git for version control.

Experience with MSK, Docker, and Kubernetes is a plus as the team builds microservices and monitors performance with Prometheus and Grafana.

Qualifications

• Proven experience developing Java applications with Spring Boot.
• Hands-on Kafka publishing and consuming messages.
• Experience with AWS MSK clusters and cloud hosting.
• Experience with Lambda and API Gateway.
• Strong CI/CD knowledge.
• JUnit-based unit testing experience.
• Proficient in Git version control.

Skills

Java

Spring Boot

Kafka

AWS

Lambda

API Gateway

CI/CD

JUnit

Git

Tools

Docker

Kubernetes

Prometheus

Grafana

Job description

Java Backend Developer with Kafka

Job Summary

We are looking for a skilled and experienced Senior Java Developer with expertise in building applications using Java Spring Boot, and with a strong understanding of Event Streaming technologies, particularly Apache Kafka. The ideal candidate should also have solid experience in AWS, including hosting applications, configuring Lambda functions, and working with Gateway APIs. Knowledge of CI/CD processes, as well as unit testing using JUnit and API clients, is essential for success in this role.

Required Skills and Qualifications

• Proven experience in developing Java-based applications with Spring Boot.
• Strong understanding of Apache Kafka, with hands‑on experience in publishing and consuming messages from Kafka topics.
• Expertise in understanding AWS MSK clusters to effectively manage and optimize scalable, secure, and highly available Kafka-based messaging systems.
• Expertise in AWS: experience with Lambda, API Gateway, and hosting applications in the cloud.
• Solid understanding of CI/CD processes and best practices.
• Extensive experience with JUnit for unit testing and using API clients to validate API responses.
• Strong problem‑solving skills and the ability to troubleshoot issues quickly.
• Familiarity with version control systems like Git.

Preferred Qualifications

• Experience with containerization technologies like Docker and Kubernetes.
• Knowledge of microservices architecture and development.
• Experience with other AWS services such as S3, SQS.
• Familiarity with monitoring tools such as Prometheus and Grafana.
• Understanding of Agile methodologies and experience working in Agile teams.