Top Internships in St. Louis, MO

As a Front-End Developer Intern, you will design and build web applications, collaborate with teams, participate in code reviews, and maintain code quality.

Support Account Managers with client and broker relationship management, prepare client-facing documents and meeting materials, use AI tools to research and draft communications, maintain client records, and assist with follow-up and account deliverables during a 1012 week internship.

Work with operational leaders to identify manual workflows and rapidly prototype AI-assisted tools using Anthropic Claude and other LLMs. Build prompt-based assistants and lightweight demos, collaborate on API integrations, document use cases and logic, present ROI to leadership, and deliver an AI Efficiency Playbook to enable handoffs and continued implementation.

10-week internship building rapid prototypes that use LLMs and OCR to auto-populate report drafts. Work with real templates and data, pair-program, run user interviews with report authors, present prototypes and recommendations to stakeholders.

The Applied Scientist AI/ML Intern will work on building data pipelines, finetuning LLMs, and deploying AI models in a collaborative team environment.

The intern will support the Global Commercial Operations team by delivering business outcomes, enhancing digital capabilities, and conducting business analysis.

The intern will assist the TPRM team in developing a vendor tracking system, validating vendor data, and supporting compliance activities.

The Livestock Marketing Intern assists with marketing initiatives, promotional material development, social media enhancement, event support, and market research.

Assists in aligning business strategies with IT capabilities, enhances organizational efficiency, and contributes to enterprise architecture artifacts.

The intern will assist Product Managers in expanding PIMS integrations, support communications with partners, and document integration details for Zoetis customers.

The Intern will support automation development for endpoint management, issue resolution, and reporting while collaborating with IT teams for process improvement.

The internship involves monitoring pharmacovigilance data to evaluate product risks and benefits while collaborating with the Global Pharmacovigilance team to support data management and analysis.

Support automation capabilities for Zoetis' Global Network Services by programming automation functionalities and collaborating with teams.

Six-month engineering internship building production backend services and AI pipelines. Design SQL schemas (PostgreSQL), implement SaaS integrations (REST APIs, webhooks), work with embeddings, transformer models and vector databases, build end-to-end data processing pipelines, and contribute to code reviews and architecture discussions.

Interns will assist the Entrepreneurial Services Group with accounting procedures, tax preparation, and client relationship management, while working towards their CPA certification.

The intern will assist the Customer Happiness team by managing inquiries, processing feedback, and fostering customer engagement through various platforms.

Create standard design guidelines and graphic assets to support the marketing team and fellow interns. Work is project-based, guided by a volunteer mentor, and flexible to meet course internship requirements.

Project-based internship to create a business plan for Just Markets Institute, build internal processes and systems with mentor guidance, and support educational and marketing teams while meeting course requirements.

Student internship supporting People Operations: create a strategic hiring plan for a part-time Coordinator, build internal communication structures for the internship program, and complete a course-aligned project with mentor guidance to develop internal processes for educational and marketing teams.

Support JMI's marketing team by creating customer profiles, helping develop targeting strategies for other interns, and completing a flexible, course-aligned market research project under mentor guidance.

Create an introductory Development Economics course (focus on economic history and public institutions) using a chosen educational medium; work with a volunteer mentor and JMI staff to meet internship course requirements.

Project-based marketing internship creating a marketing strategy for JMI's educational content. Interns work within a six-person marketing team, are matched with volunteer mentors, and will produce strategic media to promote content and membership. Flexible project scope to meet spring internship course requirements.

Work as a project-based communications intern within a six-person marketing team. Create a strategic communications plan targeted to specific audiences, develop marketing strategies to promote educational content and boost membership, and collaborate with a volunteer mentor and staff. Projects are flexible to meet spring internship course requirements.

Support the Educational Team by building a uniform Google Sites platform, assist interns and mentors, and contribute to creating introductory courses across six economics topics. Work is project-based and flexible to meet academic internship requirements.

Project-based internship to create an introductory Economic Anthropology course (medium of your choice) focused on sustainability, equity, and efficiency. Interns are matched with volunteer mentors, must meet academic internship requirements, and will develop educational content flexible to course needs.