NEW JOB OPENING
SOFTWARE ENGINEER API INTEGRATION AND 5G ESIM TESTING
IN Mossville, IL, USA!

 

Date Posted: 08/17/2026
Hiring Organization: Rose International
Position Number: 505819
Industry: Manufacturing
Job Title: Software Engineer API Integration and 5G eSIM Testing
Job Location: Mossville, IL, USA, 61552
Work Model: Onsite
Shift: Monday to Friday, 1st shift. 8 am to 5 pm
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 10
Min Hourly Rate($): 50.00
Max Hourly Rate($): 52.00
Must Have Skills/Attributes: API, DevOps, Microsoft Office, SQL, Visual Basic
Experience Desired: Writing technical requirements and user stories (4 yrs); Software testing (4 yrs); Software testing (4 yrs)
Required Minimum Education: Bachelor’s Degree

 

Job Description
Required Education

• Minimum Degree: Bachelor’s degree in Computer Science, Software Engineering, or a related field (required)

• Acceptable Alternatives:

o Associate’s degree + 6+ years of relevant experience

o Master’s degree (recent graduates accepted)

• Experience Level: 2–4 years of professional experience (internships count toward this)



Required Skills

• Writing, implementing, or using REST APIs

• Proficiency with Microsoft DevOps (creating user stories, tracking progress)

• Basic Microsoft Suite skills (especially Excel)

• Knowledge of SQL, VisualBasic, and general computer development software



Technical Skills (Desired)

• Familiarity with the Comprion test system



Soft Skills (Required)

• Strong teamwork and collaboration

• Excellent organizational abilities

• Clear verbal and written communication

• Problem-solving and customer service orientation

• Ability to work independently and manage time effectively

• Basic knowledge of the full software development lifecycle (analysis, requirements, development, testing, delivery)

• Basic troubleshooting and system change implementation



Apply computer science and mathematical principles to design, develop, test, and evaluate software and systems. This role focuses on operating systems-level software, compilers, and network distribution software for industrial, telecom, and enterprise applications.



Key Responsibilities

• Modify existing databases and database management systems

• Write and code logical and physical database descriptions; specify database identifiers for management systems

• Collaborate within project teams to coordinate database development and define project scope/limitations

• Review project requests to estimate time and cost required for completion

• Create technical requirements and user stories in DevOps

• Coordinate and perform testing of APIs for integration with external vendors and internal teams (for 5G eSIM management)

• Work with DevOps, onboard software, backend systems, and dealer system portal teams

• Schedule and conduct test sessions with multiple external vendors and internal engineers (including teams in India)

• Define ideal processes to leverage new eSIM capabilities and enable new functions for Cat customers

• Track progress in DevOps and participate in status meetings

 

Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.

California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.

Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.

If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.

Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).

 

Apply Now

 

About Rose

  • Founded in 1993
  • Office Locations Across the U.S.
  • 150+ Clients: Corporations and Government Agencies
  • Employee Oriented Company
  • Challenging Assignments Across the U.S.
  • Continuous Professional Development

Your team at Rose International is always very helpful and responsive.

Barbara, Consultant

I have been very pleased with my experience with Rose International. Everyone that I encountered was very helpful and courteous.

Stephanie, Consultant

Any time I did have a question and called, the phone was always answered, and my question/concern was immediately resolved.

Sally, Consultant

As a contractor, I have to say that Rose International was by far the best agency I have worked for.

Q'testdalir, Consultant

You are customer service oriented. No matter whether it was the Recruiter or someone in Human Resources/Payroll, you were responsive. That to me is key!

Tonya, Consultant

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