Sr Java Developer

Job description

Job Title:

Senior Java Developer Location:

Chicago, IL Employment Type:

Full-time Must be legally authorized to work in the United States for any employer without sponsorship. We are hiring a Senior Java Developer with 5+ years of experience to build and maintain scalable Java microservices in a fast-paced environment. You will work independently on complex features, collaborate with teams and business stakeholders, and ensure reliable, high-quality deliverables.

Key Responsibilities:

Develop Spring Boot microservices using

JDK 11/17 , JAX-RS

(Apache CXF) , and Jackson

JSON/XML

for robust APIs. Implement data layers with Spring Data DynamoDB and optimize for performance. Build event-driven systems using Kafka, EMS, MQ, or Solace . Write tests using JUnit and Mockito , applying Java/J2EE practices like annotations, reflection, Lombok, and Spring MVC. Deploy via Docker on AWS EKS Kubernetes with AWS ALB , using Harness/TeamCity for CI/CD. Monitor with Datadog and Elasticsearch ; handle bug fixing , log analysis, and root-cause resolution. Participate in daily scrum calls , refine requirements, track progress, and deliver on time while preventing issues. Use GitHub for version control (check-in/out, PRs) and IntelliJ/Eclipse for development.

Required Skills:

Strong expertise in Java, Spring Boot microservices , Apache CXF , Jackson , JUnit/Mockito , AWS DynamoDB , Docker/Kubernetes (EKS) , Datadog/Elasticsearch , and CI/CD (Harness/TeamCity) . Proven debugging and proactive issue prevention skills.

Nice-to-Have:

AWS Certification DevOps experience.