Top Internships in San Diego, CA

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.

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.

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.

R&D intern developing and validating compiler features for high-performance computing. Responsibilities include analyzing CPU/GPU performance, reading PTX and LLVM assembly, implementing hardware intrinsics and mathematical algorithms, fixing compiler bugs, creating benchmarks and demos, and writing technical documentation. The role requires strong C++ or C# skills, understanding of memory management and object-oriented programming, and interest in CUDA, OpenMP, GPU architecture, algorithms, and numerical methods.

Conducts employee climate and customer brand surveys using qualitative and quantitative research methods. Programs surveys in SurveyMonkey, manages survey distribution and response collection, analyzes findings, and develops actionable recommendations to improve employee satisfaction, customer experience, brand consistency, retention, and operational execution.

Undergraduate interns conduct supervised immunology laboratory experiments and assays, assist with data collection and interpretation, participate in scientific discussions, present findings, maintain laboratory equipment, and follow safety protocols. The role provides hands-on research experience, mentorship, and exposure to advanced laboratory methods.

Supports RF communications system planning, testing, integration, validation, prototype assembly, troubleshooting, data analysis, and technical documentation. Maintains Jira and Confluence records, assists with test data collection and performance evaluations, and follows engineering and quality processes while developing practical experience in secure communications engineering.

Supports consulting project teams through data analysis, research, competitive assessments, client presentations, stakeholder meetings, and project management. Uses Python, R, spreadsheets, visualization tools, and analytical methods to develop insights and recommendations across operations, financial strategy, data analytics, M&A, and corporate strategy projects.

Full-time summer intern supporting botanists, wildlife biologists, wetland ecologists, and regulatory specialists on species surveys, habitat assessments, aquatic resource delineations, restoration, construction monitoring, field data collection, constraints analyses, technical reports, compliance documentation, and environmental permit applications in Southern California.

Supports assigned teams with routine administrative, operational, and project-related tasks. Responsibilities include data entry, documentation, file organization, information gathering, report and presentation support, task coordination, and participation in meetings and training while developing foundational business-process knowledge under close supervision.

Create and curate social media content for Instagram and YouTube, support blog posts, email newsletters, and promotional campaigns, and maintain WordPress content. Schedule posts using Buffer, monitor analytics and engagement, track social media trends, and help refine content strategies. Collaborate with the marketing team to develop ideas and strengthen the brand’s digital presence. This is a fully remote internship offering hands-on digital marketing experience.

Supports the marketing team across events, creative collateral, digital marketing, email, social media, website content, research, communications, reporting, and administrative tasks. The intern will contribute to marketing initiatives across products and divisions, assist with event logistics and branding, develop content and campaign assets, organize marketing materials, and gain experience in the insurance industry while collaborating with the broader team.

Supports the Sustainability Manager with U.S. sustainability initiatives, CSR programs, charity partnerships, employee communications, sustainability data collection, impact reporting, and cross-functional collaboration. The intern will help maintain communication tools, contribute ideas to sustainability strategy, and improve internal processes while working with HR, Communications, Marketing, and global teams.

Support CEO and leadership on market intelligence, financial modelling, go-to-market strategy, partnerships and PMO. Run competitor analysis, size segments, build investor-ready business plans, craft value propositions and support partner negotiations while tracking cross-functional OKRs and dashboards.

Provides supervised psychotherapeutic and rehabilitative services, including psychosocial assessments, individual and group counseling, crisis intervention, case management, screening, discharge planning, and symptom-management support. The intern documents care, facilitates client placement and transportation, maintains confidentiality, and delivers field-based mental health or substance use disorder services while assisting clients with basic needs.

Supports enterprise risk management activities, including risk assessments, Key Risk Indicator development, disaster scenario updates, risk analysis, reporting, documentation, and cross-functional collaboration. The intern gains practical experience with operational risk, business continuity, risk and control frameworks, scenario planning, and insurance risk management.

Analyze recruiting and interview data to improve AI-powered candidate evaluation systems. Build metrics, statistical and machine learning models, LLM evaluation datasets, experiments, dashboards, and reproducible data workflows. Collaborate with product and engineering teams on candidate matching, interview quality, recruiting analytics, bias detection, and AI system improvements.

Create and optimize blogs, LinkedIn posts, website pages, marketing materials, and visuals. Support storytelling, content planning, editorial calendars, trend and competitor research, and content repurposing. Collaborate with growth and product teams while using AI tools for ideation, drafting, editing, feedback, and repeatable content workflows.

Assist with manual and regression testing of web-based AI products across frontend, backend, workflows, and AI-generated outputs. Document bugs and edge cases, validate fixes with engineers and product managers, evaluate LLM output quality, and improve QA documentation and processes. The intern will also use AI tools to generate test cases, identify edge scenarios, and support test automation workflows. Training is provided, with opportunities to grow into QA automation or engineering roles.

Design interactive prototypes, wireframes, user flows, and high-fidelity mockups in Figma. Conduct user interviews and usability tests, analyze feedback and behavioral data, and translate insights into simple UX solutions. Collaborate directly with the CEO, CTO, and Head of Brand to influence product strategy, roadmap decisions, and shipped experiences for an AI-powered financial product.

Write and publish high-quality blog posts and case studies by researching eCommerce/logistics topics and interviewing customers. Propose original content ideas, craft narratives that showcase customer success and Wondys impact, collaborate with the team, use Figma/Framer/HubSpot/Google Workspace for content workflows, and track content performance to improve engagement.

Support and grow Wondy’s social media across LinkedIn, Instagram, Twitter, and other platforms. Create and schedule engaging content, monitor performance metrics, interact with followers, and provide insights. Collaborate with founders, propose trends-driven ideas, and use tools like Framer and HubSpot to streamline workflows and analytics.

Lead Marketing / Public Relations Intern will own marketing and PR initiatives, collaborate with founders on branding, analyze market trends, manage campaigns, and use Google Workspace, HubSpot, and Framer. Opportunity to grow into a full-time leadership role at an eCommerce-focused AI startup.

Participate in a mentored technical art project supporting AAA game development. Build and refine tools and scripts, troubleshoot pipelines and DCC-to-engine integration, optimize character assets, automate production workflows, document fixes, and collaborate with technical artists using Unreal Engine, Maya, and Python.

Participate in a 12-week AAA game development internship focused on 3D environment art. Use Unreal Engine, ZBrush, Blender, and Substance tools for modeling, sculpting, UVs, texturing, materials, mesh optimization, and in-engine implementation. Assist with world building, set dressing, and environment creation while supporting experienced artists, incorporating feedback, and developing professional game-art skills.