Modern Technology Solutions is seeking a Software Development Intern to join our team in St. Louis, MO during Summer 2027.

Responsibilities:

Modern Technology Solutions, Inc. (MTSI) is seeking a Software Development Intern to support the development and enhancement of tools and models that assist in Department of Defense (DoD) analysis studies. You will work alongside software developers and analysts to create and optimize software solutions for mission-level simulations and modeling applications.

Your essential job functions will include but may not be limited to:

· Collaborating with other developers to design and implement new software features for modeling and simulation tools.

· Developing scripts and tools to automate data processing and post-processing tasks for analysis studies.

· Assisting in the development and testing of models that replicate systems or concepts for military applications.

· Contributing to the maintenance and optimization of existing software applications, including debugging and performance improvements.

· Supporting customer decision-making by developing presentations and reports that process and visualize output data.

· Supporting the creation of general-purpose tools that assist in model execution, data analysis, and reporting.

· Participating in the code review process and contributing to team discussions about software development best practices.

Qualifications:

Actively enrolled in an accredited undergraduate program in Computer Science, Engineering, Mathematics, or a related field.
GPA of at least 3.0 on a 4.0 scale.
Proficiency or familiarity with programming languages such as:
Python
C++
C#

Desired Skills:

· Experience with version control systems (e.g., Git).

· Knowledge of software development methodologies (Agile, Scrum, etc.).

· Strong problem-solving skills and an interest in developing software tools for real-world applications.

· Familiarity with simulation or modeling software.

· Ability to communicate technical concepts effectively to both technical and non-technical audiences.

Clearance: Ability to obtain/maintain a US government security clearance.

Please note: US Citizenship is required for this position.

#MTSI

The pay range for this position is $19.00/hour - $23/hour; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI offers a full range of medical benefits, 401k, ESOP, paid time off, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.

Software Development Intern

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