Lead Java Developer

Java Developer

Start Date: 12 months
Work Location: Chicago, IL
Work Model: Hybrid - Anchor Days: Friday + 2 flex days -Hours: 8am to 5pm CST

Interview Process: 1 Round Technical Panel Interview; 1- Hour

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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,

Deep understanding of:
o Event-Driven Architecture (EDA)
o Message Reliability and Error Handling
o Event Replay and Recovery Strategie

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:
o OAuth 2.0
o JWT Validation
o Secure Service-to-Service Communication

Azure Cloud
Hands-on experience with Microsoft Azure,

Strong understanding of Azure networking and cloud-native architecture pattern

DevOps & Automation

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

Nice to Have
Experience with Confluent Platform
Experience implementing Event Mesh architecture using Solace
Knowledge of Domain-Driven Design (DDD)
Experience with GraphQL
Experience with observability and monitoring tools (Dynatrace, Azure Monitor, Log Analytics)
Linux and Shell Scripting
Understanding of TDD and BDD practices
Experience with Control-M, SFTP, and Mainframe integration patterns

Key Responsibilities
Design and develop scalable event-driven microservices and messaging solutions.
Build, enhance, and support enterprise-grade applications utilizing Kafka, Solace, IBM MQ, and Azure messaging services.
Design event schemas, topics, queues, and integration patterns for highly distributed systems.
Ensure reliability, scalability, observability, and security of messaging platforms and integrations.
Develop and execute unit, integration, and performance testing for messaging-based solutions.
Collaborate with architects and technical leads on event-driven solution design and implementation.
Document architecture, event flows, message contracts, and operational procedures.
Support production deployments and troubleshooting of messaging infrastructure and applications.
Ensure non-functional requirements including security, performance, scalability, resiliency, and maintainability are incorporated into all solutions.
Proactively identify risks, bottlenecks, and dependencies impacting project deliverables.