Java Springboot, Microservices + Kafka

Role Summary

We are looking for an experienced Java Spring Boot & Microservices Developer with 8+ years of hands-on experience in designing, developing, and deploying scalable enterprise applications. The ideal candidate should possess strong expertise in Java, Spring Boot, Microservices Architecture, Apache Kafka, REST APIs, and Cloud-Native Development. Experience in eCommerce/Retail platforms and high-volume transaction systems will be highly preferred.

The candidate will be responsible for building resilient, event-driven microservices that support critical business functions such as customer management, product catalog, pricing, inventory, cart, checkout, order management, and payment processing.

Key Responsibilities

Application Development

• Design, develop, and maintain enterprise-grade applications using Java and Spring Boot.
• Develop highly scalable and reusable Microservices following industry best practices.
• Build RESTful APIs and integrate with internal and external systems.
• Ensure application performance, security, scalability, and reliability.

Microservices Architecture

• Design and implement distributed microservices-based solutions.
• Apply design patterns including: 
• Circuit Breaker
• Retry Mechanism
• API Gateway
• Service Discovery
• Event-Driven Architecture
• Implement fault-tolerant and highly available services.

Kafka & Event-Driven Development

• Design and develop Kafka Producers and Consumers.
• Implement asynchronous communication using Apache Kafka.
• Configure Kafka topics, partitions, consumer groups, and message queues.
• Handle message serialization/deserialization using Avro or JSON.
• Monitor and troubleshoot Kafka performance issues.

eCommerce Platform Development

• Develop services supporting: 
• Product Catalog
• Pricing & Promotions
• Inventory Management
• Shopping Cart
• Checkout
• Order Processing
• Customer Profile Management
• Payment Integration
• Build APIs for omnichannel commerce experiences.

Database Development

• Design optimized database schemas.
• Develop complex SQL queries, stored procedures, and indexing strategies.
• Work with relational and NoSQL databases for transactional and analytical workloads.

DevOps & Cloud

• Participate in CI/CD implementation and automation.
• Containerize applications using Docker.
• Deploy and maintain services on Kubernetes/OpenShift.
• Work with cloud services and infrastructure teams.

Quality & Testing

• Develop unit and integration test cases.
• Participate in code reviews and maintain coding standards.
• Ensure high test coverage and application quality.

Required Technical Skills

Core Technologies

• Java 8/11/17
• Spring Boot
• Spring Framework
• Spring MVC
• Spring Security
• Spring Data JPA
• Hibernate

Microservices

• REST API Development
• Microservices Architecture
• API Gateway
• Service Discovery
• Distributed Transactions
• Event-Driven Architecture
• Resiliency Patterns

Messaging

• Apache Kafka
• Kafka Streams
• Kafka Connect
• Event Processing
• Message Queues

Databases

• Oracle
• PostgreSQL
• MySQL
• MongoDB
• Redis

Cloud & Containers

• Docker
• Kubernetes
• OpenShift
• AWS / Azure / GCP

DevOps Tools

• Jenkins
• GitHub
• GitLab
• Maven
• SonarQube
• Nexus/Artifactory

Monitoring & Logging

• Splunk
• ELK Stack
• Grafana
• Prometheus
• Dynatrace

Preferred Skills

• Experience with eCommerce platforms such as: 
• CommerceTools
• Salesforce Commerce Cloud
• Adobe Commerce (Magento)
• SAP Commerce Cloud
• Reactive Programming (WebFlux)
• Apache Camel
• gRPC
• CQRS & Event Sourcing
• GraphQL
• Terraform
• Serverless Architecture

Desired Experience

• 8+ years of Java development experience.
• 6+ years of Spring Boot and Microservices experience.
• 3+ years of Apache Kafka implementation experience.
• Experience developing high-volume, customer-facing applications.
• Experience working in Agile/Scrum delivery environments.
• Experience with large-scale Retail/eCommerce implementations.

Certifications (Preferred)

• Oracle Certified Java Professional
• Spring Professional Certification
• Confluent Kafka Certification
• AWS/Azure Cloud Certification
• Kubernetes Certification

Key Competencies

• Strong problem-solving skills
• System Design & Architecture
• Performance Optimization
• Production Support & Troubleshooting
• Stakeholder Management
• Agile Development Practices
• Technical Mentoring & Leadership