Top Internships in Milwaukee, WI

Software Engineer Intern contributing to SingleStore’s distributed SQL database. Responsibilities include developing and testing database features, query processing, storage engines, indexing, distributed systems, concurrency, performance, scalability, and fault tolerance. The role involves code reviews, technical design, debugging, documentation, and collaboration with engineering and product teams.

Software Engineer Intern contributing to cloud-native database services, including workspace lifecycle management, provisioning, scaling, backups, APIs, reliability, observability, testing, and production deployment. The role involves distributed systems, cloud infrastructure, backend development, debugging, code reviews, and collaboration with engineering and product teams.

Supports development of scalable manufacturing processes, automated equipment, controls, test systems, and data acquisition solutions for medical devices. The intern connects R&D with manufacturing, troubleshoots process and automation issues, maintains process plans and manufacturing instructions, ensures quality and procedural compliance, and collaborates with cross-functional engineering teams. Assignments may support electrophysiology, cardiac rhythm management, diagnostics, endoscopy, or urology products.

Develop and refine manufacturing processes for next-generation medical devices. Responsibilities include maintaining process plans, collaborating cross-functionally, designing and testing prototypes, conducting process characterization and validation experiments, and evaluating new manufacturing technologies.

Develop and refine manufacturing processes for next-generation medical devices. Responsibilities include maintaining process plans, collaborating cross-functionally, designing and testing prototypes, conducting process characterization and validation experiments, and evaluating new manufacturing technologies.

Process Development Engineering Interns develop and improve manufacturing processes, test systems, fixtures, tooling, and equipment for medical devices. Responsibilities include hands-on design, testing, troubleshooting, process validation, statistical analysis, manufacturing documentation, and cross-functional collaboration. Interns support scalable, high-quality production processes across areas including electrophysiology, cardiac rhythm management, diagnostics, endoscopy, and urology while ensuring compliance with quality procedures.

Process Development Engineering Interns develop scalable manufacturing processes and test systems for medical devices. They apply chemistry, materials science, and engineering principles to process development, material selection, characterization, quality improvement, and manufacturing implementation. Interns collaborate with R&D, manufacturing, and technology teams; maintain process plans and manufacturing instructions; and ensure compliance with process development and quality requirements.

Supports the CIH Marketing team with trade show and event coordination, retailer and distributor marketing requests, newsletters, marketing asset inventories, expense tracking, and project planning. The intern gathers information, coordinates stakeholders, manages deadlines, and helps execute trade marketing initiatives remotely, with potential travel to Ripon, Wisconsin.

Supports sales enablement tools, training programs, CRM and pricing initiatives, sales feedback analysis, digital demand campaigns, and channel programs. The intern collaborates with Sales, Commercial Excellence, Marketing, and Customer Care teams while maintaining sales-process technologies and improving tool efficiency. The role includes cross-functional projects, structured onboarding, mentorship, and networking opportunities.

Support the sales team by conducting cold calls, generating leads, assisting with sales strategies, handling administrative tasks, maintaining customer databases/CRM, and collaborating to meet sales targets while gaining hands-on experience.

Supports tax preparation and audit, review, compilation, and assurance engagements for multiple clients. Prepares tax returns, completes research and special projects, develops knowledge of accounting procedures and systems, maintains workpapers, identifies issues, communicates progress, and interacts regularly with clients and colleagues. The intern also participates in training, expands industry knowledge, and travels to client sites as needed.

Build AI-powered prototypes, MVPs, and production features using React, Node.js, Python, and AWS. Develop full-stack applications, scalable APIs, data pipelines, and user-facing interfaces integrating foundation models and emerging AI technologies. Partner with product teams to identify healthcare opportunities, independently deliver end-to-end features, optimize cloud deployments, research AI advancements, and present technical concepts to stakeholders.

Supports marketing campaigns, market and competitive research, digital content development, campaign performance analysis, sales enablement, web initiatives, merchandising, and business development materials. Collaborates with product management and stakeholders to maintain data integrity, optimize marketing tactics, and improve engagement. This part-time school-year and full-time summer internship provides hands-on marketing experience for a current bachelor’s student.

Develop, test, and maintain software applications, APIs, and data-driven functionality supporting healthcare technology. Collaborate with Product teams, troubleshoot issues, participate in code reviews and agile practices, and explore AI-enabled development tools. The intern will build technical skills while contributing to secure, scalable, and reliable software solutions.

Summer internship to build production-facing realtime intelligence for a mobile app that optimizes campus quest participation. Design context-aware quest logic, detect stalls/drop-offs, suggest micro-actions, instrument evaluation loops, and ship components on top of existing realtime systems to improve behavioral outcomes like IRL quest completion and retention.

Own end-to-end product features: conduct user research, translate insights into specs and user stories, collaborate with engineering/design/growth, analyze product data, support sprint planning/QA/releases, benchmark competitors, and build roadmaps and documentation to launch features.

Run and coordinate qualitative user research: plan and moderate interviews and focus groups, translate goals into discussion guides, produce transcripts and structured insight summaries, and communicate findings to product teams while working remote-first.

Work as a hands-on Product Management intern owning features end-to-end: run user research, write specs and user stories, work with engineering/design/growth to ship, analyze product data, support sprint planning and QA, benchmark competitors, and build roadmaps and documentation.

Supports transportation projects under project engineering or management direction. Duties may include technical transportation work, construction inspection assistance, field problem-solving, documentation, and verifying conformance with plans and specifications.

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.

Design onboarding protocols, procedures, documentation, checklists, and reference materials for interns, volunteers, and program participants. Collaborate with the Founder and CEO, interns, and stakeholders to build onboarding systems, identify process gaps, and recommend improvements. This fully remote, unpaid three-month internship requires 5–10 hours weekly and offers mentorship and practical HR and operations experience.

Create and publish social media content across Instagram, Facebook, LinkedIn, and TikTok; engage with community comments and messages; track performance using Adobe Express analytics powered by Metricool; prepare simple reports; and support campaign and content-series planning. This is a fully remote, unpaid three-month internship requiring 5–10 hours weekly, with mentorship and portfolio-building opportunities.

Maintain and update a WordPress website, organize and publish LearnPress course content, troubleshoot minor site issues, and support ongoing website improvements. The intern will collaborate with an AI Curriculum Intern, report to the Founder and CEO, and gain hands-on web management and LMS administration experience in a fully remote, three-month internship.

Support internship and volunteer recruiting by posting roles through Dover and social channels, screening applications, communicating with candidates, refining recruiting materials, and coordinating interviews. This fully remote internship offers hands-on talent acquisition experience, mentorship, and exposure to applicant tracking systems and recruiting workflows. The commitment is 5–10 hours weekly for three months, with North Carolina residency preferred and no prior recruiting experience required.

Supports electrical construction projects across preconstruction, field execution, documentation, scheduling, materials, vendor coordination, cost tracking, billing, closeout, and customer follow-up. The intern assists with project records, takeoffs, planning, meetings, safety activities, resource coordination, project controls, and continuous improvement while learning construction project management alongside project managers and field teams.