Java Software Engineer

Persistent Systems; India; On-site; INR 1,000,000 - 1,400,000; Full time

Job summary

A technology company in India is seeking a qualified candidate to architect and maintain Kafka producers and consumers, develop Java microservices, and manage Kafka clusters. The ideal candidate will have 5–8 years of experience, with a strong background in Apache Kafka and Spring Boot microservices. Excellent problem-solving skills and familiarity with SQL/NoSQL databases are essential. This opportunity offers a dynamic work environment focused on real-time streaming systems.

Qualifications

• 5–8 years hands-on experience in Java-based application development.
• Strong expertise with Apache Kafka including configuration and administration.
• Solid experience building Spring Boot microservices and RESTful APIs.

Responsibilities

• Architect, build, and maintain Kafka producers and consumers.
• Develop Java (Java 8+) microservices using Spring Boot.
• Operate and configure Kafka clusters including topics and brokers.

Skills

Java application development

Apache Kafka

Spring Boot microservices

SQL databases

NoSQL databases

Docker

Kubernetes

CI/CD tools

Job description

Overview

Architect, build, and maintain Kafka producers and consumers, including Kafka Streams and Connect pipelines for real-time streaming systems. Develop Java (Java 8+) microservices using Spring Boot, working with REST APIs and backend services. Operate and configure Kafka clusters — topics, partitions, brokers, ZooKeeper/KRaft, Schema Registry. Troubleshoot messaging issues, optimize throughput and latency, and ensure high availability and security. Work with SQL (e.g. MySQL/Postgres) and NoSQL databases (e.g. MongoDB) for backend integration. Integrate microservices and message pipelines within Docker, Kubernetes/ECS, and CI/CD environments.

Responsibilities

• Architect, build, and maintain Kafka producers and consumers, including Kafka Streams and Connect pipelines for real-time streaming systems.
• Develop Java (Java 8+) microservices using Spring Boot with REST APIs and backend services.
• Operate and configure Kafka clusters — topics, partitions, brokers, ZooKeeper/KRaft, Schema Registry.
• Troubleshoot messaging issues, optimize throughput and latency, and ensure high availability and security.
• Work with SQL (e.g. MySQL/Postgres) and NoSQL databases (e.g. MongoDB) for backend integration.
• Integrate microservices and message pipelines within Docker, Kubernetes/ECS, and CI/CD environments.

Qualifications

• 5–8 years hands-on experience in Java-based application development.
• Strong expertise with Apache Kafka — producers, consumers, stream processing, configuration and administration.
• Solid experience building Spring Boot microservices and RESTful APIs.
• Proficiency in SQL and NoSQL databases (e.g. Oracle, MySQL, MongoDB).
• Familiarity with Kafka ecosystem components: Connect, Streams, Schema Registry.
• Linux/Unix proficiency and shell scripting experience.
• Experience with containerization (Docker), orchestration tools (Kubernetes, ECS).
• Familiarity with CI/CD tools (Jenkins, GitLab CI, Azure DevOps).
• Strong communication, analytical, and problem-solving skills.