Wissen Technology is hiring for Java Developer + Kafka

About Wissen Technology:

Job Summary:

We are looking for a highly skilled Java Developer with strong experience in Apache Kafka and distributed systems. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend applications, event-driven architectures, and high-performance microservices. The role requires hands-on expertise in Java development, REST APIs, messaging systems, and cloud-ready applications.

Experience: 7 - 12 Years

Location: Mumbai

Mode of Work: Hybrid

Key Responsibilities:

- Design, develop, and maintain robust backend applications using Java 11/17 or above.

- Build and support event-driven architectures using Apache Kafka.

- Develop scalable microservices and RESTful APIs.

- Implement Kafka producers, consumers, topics, partitions, and message processing workflows.

- Collaborate with product owners, architects, and cross-functional teams to deliver business requirements.

- Optimize application performance, reliability, and scalability.

- Participate in code reviews and ensure adherence to coding standards and best practices.

- Troubleshoot production issues and perform root cause analysis.

- Contribute to CI/CD implementation and DevOps practices.

- Work in Agile/Scrum development environments.

Key Skills:

Core Java

- Robust hands-on experience in Java 11/17+

- Solid understanding of
- Collections Framework

- Multithreading & Concurrency

- Exception Handling

- JVM Performance Tuning

- Design Patterns





- Object-Oriented Programming (OOP)

Kafka

- Extensive experience with Apache Kafka

- Knowledge of
- Kafka Producers & Consumers

- Kafka Streams

- Topic Management

- Consumer Groups

- Partitions & Replication

- Event-Driven Architectures

- Message Queues & Streaming Platforms

Backend Development

- Spring Boot

- Spring MVC

- Spring Data JPA/Hibernate

- RESTful Web Services

- Microservices Architecture

Database

- SQL databases such as PostgreSQL, Oracle, MySQL, or SQL Server

- Query optimization and database design

DevOps & Cloud

- Git, Maven/Gradle

- CI/CD tools (Jenkins, GitHub Actions, Azure DevOps)

- Docker and Kubernetes

- Exposure to AWS, Azure, or GCP is preferred

Desired Qualifications:

- Bachelor's degree in Computer Science, Information Technology, or related field.

- Experience in designing high-volume, low-latency applications.

- Knowledge of distributed systems and scalable architecture.

- Experience in Banking, Financial Services, FinTech, or Product-based environments is preferred.

Nice to Have:

- Kafka Connect

- Confluent Platform

- Elasticsearch

- Redis

- MongoDB

- Event Sourcing & CQRS

- Observability tools such as Grafana, Prometheus, Splunk, or ELK Stack

Wissen Sites:

- Website: www.wissen.com

- LinkedIn: Wissen Technology | LinkedIn

- Wissen Leadership: Leadership Team | Wissen

- Wissen Live: Log Masuk LinkedIn, Daftar Masuk | LinkedIn

- Wissen Thought Leadership: https://www.wissen.com/articles/

📌 Java Developer + Kafka (Mumbai)
🏢 wissen technology
📍 Mumbai