Software Engineer Intern: AI, APIs & Real-World Impact

Fifth Color; Sheboygan Falls (WI); On-site; USD 18,000 - 27,000; Part time

Job summary

FifthColor’s Software Engineer Internship Program gives students hands-on experience across development, AI research and applied engineering while contributing to meaningful work that supports FifthColor’s growth.

As a full-service, independent, omnichannel agency with all our experts under one roof, FifthColor is committed to developing early career talent and building a strong pipeline for future full‑time roles.

Qualifications

• Pursuing Bachelor’s in CS/CE/SE or Master’s in related field for duration of internship.
• Interest in AI research, software development, or prompt engineering.
• Familiarity with React, MySQL, Node, .NET, C#, PHP and API integrations.

Responsibilities

• Design, develop and test software features and system concepts that satisfy project requirements.
• Assist with API integrations across internal and third-party platforms.
• Maintain and deliver controlled software releases using version control and configuration management tools.
• Develop and execute test plans to verify software meets design and requirements specifications.
• Research and experiment with LLMs, open-weight models and emerging AI tools for integration into FifthColor’s software/workflows.
• Support prompt engineering, including designing, testing and refining prompts for AI features.
• Collaborate with the development team to debug, document and improve existing codebases.
• Stay current on AI research trends and share findings with the team.

Skills

React

MySQL

Node.js

.NET

C#

PHP

APIs

Prompt engineering

Education

Bachelor’s degree in Computer Science/Engineering/Software Engineering

Tools

Git

Job description

FifthColor’s Software Engineer Internship Program gives students hands-on experience across development, AI research and applied engineering while contributing to meaningful work that supports FifthColor’s growth.

As a full-service, independent, omnichannel agency with all our experts under one roof, FifthColor is committed to developing early career talent and building a strong pipeline for future full‑time roles.