Job Description

NMK Global Inc. is a global IT Services & Solutions company specializing in IT Staffing, Technology Consulting, Workforce Solutions, and Application Development Services. We help organizations build high-performing technology teams by connecting them with exceptional talent across a wide range of industries. Our expertise, industry knowledge, and consultative approach enable clients to achieve successful business outcomes while helping professionals advance their careers.

Job Title: Senior Java Developer

Location: Chicago, IL (Hybrid Need locals )

Job Description:

We are seeking a Senior Java Developer specializing in Event-Driven Architecture and Enterprise Messaging to design, develop, test, and deploy scalable cloud-native applications on Azure. The ideal candidate will have deep expertise in asynchronous processing, event streaming, distributed systems, and enterprise messaging platforms, enabling highly resilient and scalable solutions.

Role:
You will be responsible for designing and implementing event-driven microservices, messaging solutions, and cloud-native applications using Java, Spring Boot, and Azure services. You will collaborate with cross-functional Agile teams to build highly scalable, secure, and resilient systems leveraging Kafka, Solace, IBM MQ, and Azure messaging technologies.



Required Qualifications:

Core Development
8+ years of hands-on experience with Java (J2EE), Spring Boot, and Microservices
Proven experience developing and supporting cloud-native applications on Microsoft Azure
Strong expertise in distributed systems, event-driven architectures, and asynchronous processing
Experience working in Agile and onsite/offshore delivery models
Event Streaming & Messaging (Must Have)
Extensive hands-on experience with Apache Kafka, including:
Kafka Producers, Consumers, Topics, Partitions, and Consumer Groups
Kafka Streams and Event Processing
Message Ordering, Delivery Guarantees, and Scaling Strategies
Schema Registry and Event Versioning
Strong experience with enterprise messaging platforms such as:
Kafka
Solace PubSub+
IBM MQ
Azure Service Bus
Event Hubs



Deep understanding of:
Event-Driven Architecture (EDA)
Publish/Subscribe Patterns
Event Sourcing
CQRS
Saga Pattern
Message Reliability and Error Handling
Dead Letter Queues (DLQ)
Event Replay and Recovery Strategies
Experience designing and implementing high-throughput, low-latency messaging systems

API & Integration
Strong hands-on experience with REST APIs, SOAP Services, and Event-Based Integrations
Strong understanding of API lifecycle management and service integrations
Mandatory experience with API security, including:
OAuth 2.0
JWT Validation
Secure Service-to-Service Communication

Azure Cloud
Hands-on experience with Microsoft Azure, including:
Azure Kubernetes Service (AKS)
Azure Container Apps
Azure Service Bus
Azure Event Hubs
Azure Functions
Azure Storage
Strong understanding of Azure networking and cloud-native architecture patterns



DevOps & Automation
Experience with CI/CD pipelines using:
o GitHub Actions
o Jenkins
o Terraform
Strong experience integrating automated testing, security scanning, and deployment automation
Experience provisioning Azure infrastructure using Infrastructure as Code (Terraform)



Databases
Experience with Azure SQL, Cosmos DB, PostgreSQL, or other Azure-hosted databases
Understanding of data consistency models and transactional patterns in distributed systems
Additional Programming Experience
Backend development experience with:
o Python
o Node.js

NMK Global Inc. is an Equal Opportunity Employer. We are committed to creating an inclusive workplace and consider all qualified applicants without regard to age, race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender identity, or any other characteristic protected by applicable law.

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