IT Software Engineer 5

Cullerton Group has a new opportunity for an
IT Software Engineer 5
. The work will be done
onsite in Chicago, IL
, on a
hybrid schedule (2 days per week in office)
depending on the customer's preference. This is a
long-term 12-month position
that can lead to permanent employment with our client. Compensation is
up to $100.43/hr + full benefits
(vision, dental, health insurance, 401k, and holiday pay).

Job Summary

Cullerton Group is seeking two highly skilled
IT Software Engineers
to join a backend development team supporting enterprise-scale digital applications. The engineers will design, develop, test, and deploy large-scale, distributed software systems using
Java
,
cloud-native technologies
, and
API-driven architectures
. This role requires strong technical leadership, collaboration within Agile teams, and the ability to deliver reliable, scalable software solutions that support digital platform initiatives and business-critical systems.

Key Responsibilities

• Design, develop, deploy, and maintain complex software applications in
Java

• Work on backend services and APIs that power enterprise digital platforms

• Develop software using
relational and NoSQL databases
(e.g., DynamoDB, MySQL, MongoDB)

• Implement software deployment pipelines using
CI/CD tools
such as Jenkins or Azure DevOps

• Collaborate in Agile teams, contributing to sprints, code reviews, and system architecture discussions

• Apply design patterns such as
Microservices
,
MVC
, and
Event-Driven Architecture

• Mentor junior engineers and maintain high standards of software quality through code review and best practices

• Troubleshoot and resolve complex application and infrastructure issues

Required Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, or a related field (Master's preferred)

• 10+ years of experience in
Java software design and development

• Strong understanding of
software architectural patterns
(Microservices, Event-Driven, MVC)

• Experience with
cloud platforms
such as AWS or Azure

• Hands-on experience with
CI/CD tools
(Jenkins, GoCD, Azure DevOps)

• Proven experience building
RESTful APIs
and integrating with external systems

• Strong experience with
databases
—relational (MySQL, Oracle) and NoSQL (DynamoDB, Cassandra, Redis)

• Experience debugging and maintaining software on
Linux/Unix platforms

Preferred Qualifications

• Experience with
AI tools
or machine learning frameworks is a strong plus

• Hands-on experience with
AWS services
(Lambda, API Gateway, CloudWatch, S3, Fargate)

• Familiarity with
messaging and streaming tools
(Kafka, RabbitMQ, AWS SNS/SQS, Kinesis)

• Experience with
test automation tools
(Cucumber, Selenium) integrated into CI/CD pipelines

• Understanding of
TDD/BDD
development practices

• Excellent communication skills and ability to work collaboratively in fast-paced environments

Why This Role?

This position offers an opportunity to contribute to innovative backend engineering projects that power large-scale digital systems. Cullerton Group provides a professional environment with strong collaboration, cutting-edge technologies, and room for career growth. This is an ideal role for engineers who enjoy solving complex problems, leading by example, and driving technical excellence.