Software Engineer 2 — 5G eSIM & API Connectivity

Cullerton Group; Mossville (IL); On-site; USD 155,878,000 - 210,894,000; Full time

Benefits offered by this job

Full benefits

Job summary

Cullerton Group is seeking a Software Engineer 2 to support the development and integration of connectivity solutions focused on 5G eSIM management and telecom systems. You will create technical requirements, coordinate internal development, and perform API integration testing with vendors and internal teams.

The role requires REST API experience, DevOps proficiency, and strong coordination skills. This onsite full-time position offers a 12-month contract with potential conversion to permanent

Qualifications

• 2–4 years of relevant software engineering experience with a technical bachelor's degree.
• Alternate: 2-year technical degree with 6 years of relevant experience.
• Experience writing technical requirements and user stories.
• Software testing experience.
• Program or project management/coordination experience.
• Experience writing, implementing, or using REST APIs.
• Ability to use Microsoft DevOps/Azure DevOps.
• Basic proficiency with Microsoft Office, including Excel.
• Understanding of the software development lifecycle.
• Strong teamwork and communication; ability to work independently.

Responsibilities

• Create technical requirements and user stories for new software and system integrations using DevOps.
• Coordinate and perform testing of APIs used to integrate external vendor platforms with internal systems supporting 5G eSIM management.
• Review and understand vendor APIs and determine which APIs should be implemented.
• Schedule and conduct integration test sessions with external vendors and internal engineering teams.
• Define processes to leverage new eSIM technology and enable new functionality for customers.
• Track development and integration progress in DevOps and participate in status meetings.
• Research and resolve technical questions while coordinating across teams.
• Help streamline telecom and connectivity operations through new vendor integrations.

Skills

REST APIs

DevOps/Azure DevOps

Software testing

Program/Project coordination

Requirements gathering

MS Office / Excel

Education

Technical bachelor's degree

2-year technical degree + 6 years experience

Tools

Microsoft DevOps/Azure DevOps

Job description

Cullerton Group is seeking a Software Engineer 2 to support the development and integration of connectivity solutions focused on 5G eSIM management and telecom systems. You will create technical requirements, coordinate internal development, and perform API integration testing with vendors and internal teams.

The role requires REST API experience, DevOps proficiency, and strong coordination skills. This onsite full-time position offers a 12-month contract with potential conversion to permanent