Top Internships in Denver & Boulder, CO

Support planning, executing, and optimizing paid digital acquisition campaigns. Coordinate content and landing pages, run A/B tests, analyze marketing data, generate performance reports, and recommend ROAS improvements.

Manage three branded Reddit accounts: post 2–3 times per week per brand, engage with users and comments per brand guidelines, craft brand-specific Reddit strategies, and coordinate with an outside contractor to manage meetings and goals.

Support the Data Team with ad hoc analyses, SQL queries, dashboard maintenance, data quality, and AI-assisted analytics workflows. Prepare reports and presentations, document metrics and workflows, triage data requests via Jira, and help maintain data integrity across BI tools for internal stakeholders.

Support tax teams on research, compliance, and project work; learn PwC methodologies; conduct tax research; participate in diverse tax projects (M&A, SALT, Real Estate, ITS); develop professional skills and prepare for post-graduation bar qualification and tax practice.

Part-time remote internship supporting the Email Automation team: transfer and code email copy into templates, maintain templates, perform QA, run semi-weekly A/B tests and data tracking, and assist with organizational and cross-functional email operations.

Assist in monitoring insider risks, support data protection, investigate security alerts, and maintain operational governance in a security team.

Part-time remote legal internship supporting regulatory and marketing compliance. Conduct FDA/FTC and advertising legal research, review marketing materials, draft memos, assist with contract lifecycle and corporate records, and support policy and training development.

The Phishing Analyst-SkillBridge Intern will assist in threat detection and analysis, focusing on phishing attempts. Responsibilities include identifying and mitigating threats using AI and collaborating with teams to enhance cybersecurity measures.

Manage day-to-day operations for two YouTube podcast channels: review 3–4 edited videos weekly, curate IG/TikTok clips, maintain podcast/YouTube schedule, write podcast ads, create mash-up episodes, and support PR/marketing projects and freelance editing coordination.

This intern role in Federal Security Operations focuses on cybersecurity, project tracking, and maintaining relationships with customer stakeholders in a mission-driven environment.

This internship role focuses on SRE skills, requiring collaboration and problem-solving in dynamic environments for Zscaler's Zero Trust Exchange team.

As a Telecom Operations Intern, assist in designing and testing AI/ML automation solutions, analyze network performance, and document technical workflows.

As a Detection Engineer Intern, you will analyze telemetry, research coverage opportunities, improve workflows, and communicate threat findings effectively.

Unpaid 3–6 month internship offering hands-on experience across social work, case management, HR, development, marketing, retail merchandising, project management, and events. Interns assist with client intake, outreach, research, content creation, administrative tasks, event support, and daily operations while building skills, networks, and receiving reference letters upon completion.

Support marketing analytics by analyzing digital channel performance, building and maintaining KPI dashboards, ensuring data accuracy, and collaborating with cross-functional teams to turn insights into actionable recommendations.

Remote, unpaid 6-month UI/UX internship (20 hrs/week) supporting the Marketing team: create wireframes, prototypes, high-fidelity designs, conduct user research and usability testing, maintain design systems, collaborate cross-functionally, iterate based on feedback, and support product strategy while meeting deadlines.

Remote unpaid video-editing internship: edit and assemble raw footage into polished content, add transitions, color correction, sound design, graphics and captions, adapt assets for social platforms, manage multiple projects, iterate on stakeholder feedback, and organize media libraries while collaborating with marketing and creative teams.

Remote unpaid 20-hr/week graphic design internship supporting marketing: create social, presentation, web, and multimedia assets; maintain brand consistency; iterate on designs; collaborate with teams; learn design and digital marketing best practices.

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.

Work as a Python development intern building applications and APIs, processing and analyzing data, working with databases and data pipelines, contributing to system architecture, writing clean documented code, and collaborating with the team. Strong emphasis on backend development, SQL, ORMs, and REST API design with potential conversion to full-time.

Provides technical patient care under the supervision of a registered nurse, assisting with assessment, care planning, implementation, evaluation, documentation, and clinical learning activities while completing assigned goals.

Assist in developing and maintaining cross-platform Flutter apps for Android and iOS, implement UI/UX with Flutter widgets, integrate Firebase and REST APIs, debug and optimize performance, and collaborate with the team while staying current with Flutter/Dart technologies.

Provide direct crisis mental health assessments and short-term psychotherapy, develop and monitor treatment plans, coordinate care with partners, maintain clinical documentation, participate in team meetings, and support trauma-informed stabilization in a 24/7 crisis clinic.

Assist education staff delivering onsite school programs, tours, scout and family programs. Set up/take down materials, maintain records and safety, coordinate volunteers, revise/create programs, provide excellent visitor service, and support education operations over a 10-week paid internship (2-3 days/week).

Support electrical design and analysis for oil & gas power projects under PE guidance. Assist with drawings, single-line diagrams, equipment selection, power system modeling, and studies (load flow, short circuit, grounding, arc flash). Prepare reports, cost estimates, and learn applicable codes and standards while collaborating with multidisciplinary teams.