INTERN (AI DEVELOPER)

Marvin Group; Inglewood (CA); On-site; USD 28,000 - 41,000; Full time

Job summary

The Marvin Group in Southern California near LAX is seeking an AI Development Intern to support prototyping, building, and shipping AI-enabled internal applications. You will work directly with users to turn workflow needs into maintainable software.

Responsibilities include integrating LLM APIs, building Python/TypeScript logic, connecting to databases, handling authentication and data quality, and creating tests. You will gain hands-on experience in a fast-paced defense tech environment.

Qualifications

• Must be enrolled or have completed an undergraduate or postgraduate, or accredited technical program and be a Sophomore, Junior, Senior or Postgraduate student by the start of summer, pursuing Information Technology, Computer Science, or related field.
• Demonstrated ability to build and ship functioning software applications, including examples that use LLMs or other AI services.
• Working proficiency in Python and/or TypeScript plus core web concepts such as APIs, HTML/CSS, and client-server behavior.
• Experience with SQL or other application databases, data integration, version control, debugging, testing, and deployment workflows.
• Ability to evaluate nondeterministic AI behavior, define acceptance checks, recognize failure modes, and communicate tradeoffs clearly.

Responsibilities

• Build and iterate on AI-enabled internal web applications from working prototype through reliable release.
• Integrate LLM APIs, structured outputs, retrieval, and tool or function calling where they solve a clear user need.
• Develop application logic in Python and/or TypeScript, with practical front-end, back-end, API, and web-interface work.
• Connect applications to databases, business data, and external services while handling authentication, errors, and data quality.
• Create evaluations and automated tests; review outputs, dependencies, permissions, and data handling with a security-minded approach.
• Work with users to observe results, troubleshoot issues, document systems and decisions, and improve usefulness, reliability, and maintainability.

Skills

Python

TypeScript

APIs

HTML/CSS

Client–server

SQL

Version control

Testing

Deployment workflows

AI services

Education

Undergraduate/Graduate IT or CS program

Tools

Claude Code

OpenAI Codex

Job description

The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offers may vary based on factors such as work experience, education and/or training, critical skills, and/or business considerations. Offers reflect the total compensation package.

This position is 100% onsite

The Marvin Group is a Strategic Partner for Global Alternate Mission Equipment and Sustainment
The Marvin Group, a leading defense contractor, plays a crucial role in the development and manufacturing of various systems for military aerospace and vehicles. Based in Southern California near the Los Angeles International Airport, The Marvin Group consists of Marvin Engineering (MEC), Marvin Test Solutions (MTS) and Marvin Land Systems (MLS). Marvin Engineering designs and produces military Alternate Mission Equipment. Marvin Test Solutions designs and manufactures armament Test Equipment. Marvin Land Systems specializes in the design and build of power and thermal management systems. For over 60 years we have maintained “A Tradition of Excellence”, serving as a trusted source for our unwavering commitment to supporting all branches of the Department of Defense and our global allies. Our collaboration extends across a diverse array of programs and platforms, including major military prime contractors such as Lockheed Martin, Northrop Grumman, and Raytheon.

SUMMARY:

The selected Intern, will support AI Development, prototyping, building, and shipping useful AI-enabled internal applications. The intern works directly with users, turns practical workflow needs into maintainable software, and improves solutions through feedback and measured results.

ESSENTIAL RESPONSIBILITIES:

• Build and iterate on AI-enabled internal web applications from working prototype through reliable release.
• Integrate LLM APIs, structured outputs, retrieval, and tool or function calling where they solve a clear user need.
• Develop application logic in Python and/or TypeScript, with practical front-end, back-end, API, and web-interface work.
• Connect applications to databases, business data, and external services while handling authentication, errors, and data quality.
• Create evaluations and automated tests; review outputs, dependencies, permissions, and data handling with a security-minded approach.
• Work with users to observe results, troubleshoot issues, document systems and decisions, and improve usefulness, reliability, and maintainability.

REQUIRED QUALIFICATIONS:

• Must be enrolled or have completed an undergraduate or postgraduate, or accredited technical program and be a Sophomore, Junior, Senior or Postgraduate student by the start of summer, pursuing Information Technology, Computer Science, or related field.

PREFERRED QUALIFICATIONS:

• Demonstrated ability to build and ship functioning software applications, including examples that use LLMs or other AI services.
• Working proficiency in Python and/or TypeScript plus core web concepts such as APIs, HTML/CSS, and client-server behavior.
• Experience with SQL or other application databases, data integration, version control, debugging, testing, and deployment workflows.
• Ability to evaluate nondeterministic AI behavior, define acceptance checks, recognize failure modes, and communicate tradeoffs clearly.
• Hands-on familiarity with modern AI-assisted development tools such as Claude Code and OpenAI Codex, paired with sound engineering judgment and review of generated changes.

This position must meet export control compliance requirements. All applicants must be “U.S. persons” within the meaning of ITAR, as defined: a U.S. Citizen, a lawful permanent resident, political asylee, or refugee.

U.S. citizenship is required for roles involving government security clearances or access to export‑controlled information. Certain positions may also restrict dual citizenship in accordance with U.S. government regulations.

The Marvin Group is an EEO/Disability/Vets Employer.
Our company uses E-Verify to confirm the employment eligibility of all newly hired employees. To learn more about E-Verify, including your rights and responsibilities, please visit www.dhs.gov/E-Verify.
If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact People & Culture at 310.674.5030.