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Cullerton Group

IT Software Engineer 5

Hybrid

Chicago, United states

$ 100 /hour

Senior

Freelance

03-03-2026

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Skills

Communication Leadership Java NoSQL MySQL MongoDB Cassandra CI/CD DevOps Jenkins Azure DevOps Test Selenium Test Automation Architecture Linux Machine Learning Databases Azure AWS cloud platforms Agile Redis CI/CD Pipelines Kafka Microservices

Job Specifications

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.

About the Company

Cullerton Group is a staffing firm specialized in the placement of IT and Engineering candidates. Cullerton Group recruiters combine years of experience in staffing with a deep understanding of the industries they serve. Know more