Top Internships in San Diego, CA

Support the business team with data collection, cleaning, analysis, dashboarding, and predictive modeling to measure and improve the internship program and client outcomes. Deliver visualizations, insights, and documentation to inform strategy and operational efficiency while collaborating with cross-functional teams.

Build, test, and deliver process simulation models to identify inefficiencies and recommend optimizations. Analyze and visualize data using Excel/Power BI/Tableau, prepare data with SQL or Python, collaborate with project teams and clients, and present findings to technical and non-technical audiences while managing simulation projects end-to-end.

Support project managers with planning and maintaining project plans, schedules, budgets; organize meetings and documentation; track deliverables; perform research and analysis; maintain project management tools and contribute to team brainstorming in a remote, part-time unpaid internship.

Assist the HR team with sourcing candidates, scheduling and conducting interviews, developing recruiting strategies, providing administrative support, and improving recruitment processes. Part-time, unpaid remote internship (10–30 hrs/week) lasting 180 days.

Support HR team in designing and delivering training programs, assist with performance reviews, maintain training materials, identify training needs, evaluate training effectiveness, and contribute to process improvements in a remote internship.

Remote unpaid legal internship supporting contract drafting and review, legal research, compliance, policy development, meeting participation, and administrative support for a startup-focused legal team. Ideal for JD students or recent graduates seeking practical corporate and contract law experience.

Coordinate and manage new-employee onboarding, conduct orientation sessions, develop onboarding programs, collaborate with HR and departments, support new hires during integration, and improve processes using feedback and best practices.

Create and edit short-form videos, reels, posts, and stories for Instagram, TikTok, YouTube, and LinkedIn. Collaborate with marketing and social teams to develop ideas, follow content trends, and track performance and engagement. Part-time remote internship (10–30 hrs/week) for educational experience, unpaid, 180-day duration.

Remote, unpaid back-end web development internship focused on building and maintaining WordPress sites and web applications. Responsibilities include API integration, server and database management, collaborating with React front-end developers, debugging, and producing technical documentation. Mentorship and hands-on learning provided; part-time (10–30 hrs/week) for approximately 180 days.

Join as a Mobile/Web App Developer Intern to build responsive cross-platform UI, integrate APIs and cloud services, test and deploy features (dashboards, analytics, notifications), support app store publishing, and collaborate in an agile, remote dev team under mentorship.

Support content, social, email, and growth campaigns for a SaaS foodservice platform. Create and schedule social content, assist with blogs and graphics, help run email and lead-generation campaigns, conduct market research, and track campaign performance while collaborating with cross-functional teams.

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.

Work on real-world web applications across frontend and backend. Use modern frontend frameworks (React/Angular/Vue) and backend tech (Node.js, Python, Java, PHP). Integrate RESTful APIs with databases (MongoDB, PostgreSQL, MySQL), debug, test, optimize performance, and collaborate with designers and product teams while gaining hands-on mentorship.

Perform B2B market and contact research to identify prospective companies and decision-makers, achieve daily lead-generation targets, gather executive contact information using tools and strategies, and support email prospecting and outreach efforts.

The QA Intern will support the Product team by testing mobile app features, performing regression testing, validating content, and suggesting UX improvements while maintaining structured documentation.

Assist Community Managers with outreach strategies, lead generation, and onboarding professionals while optimizing conversion rates and campaign performance.

Assist the Reedsy Learning team with community management, outreach to influencers, engaging with students, and promoting courses and events.

As a Content Marketing Intern, you will assist in executing Reedsy's content strategy, focusing on SEO, content creation, and promotion to acquire leads.

Assist authors and publishing professionals by offering support, reviewing projects, optimizing user engagement, maintaining FAQs, and suggesting product improvements.

Assist in developing and testing features for a data security platform, collaborate on projects, participate in research, and support documentation efforts.

The intern will collaborate with stakeholders to design and develop instructional content, manage courses, and evaluate learning outcomes within the IDD team.

As a Data Science Intern, you'll learn to translate business challenges into statistical problems, analyze large datasets, build machine learning models, and communicate insights effectively.

As a Full Stack Engineering Intern, you will work on building Nash's agentic layer, shipping features using React and Python, translating logistics problems into products, participating in design discussions, and writing clean, well-tested code.

Support website content editing, formatting, and publishing. Update job listings and resources, optimize content for SEO and accessibility, test site functionality, integrate multimedia, and collaborate with marketing to maintain brand voice and improve usability.

As a Product Manager Intern, you'll collaborate with leadership to shape the product, define requirements, and drive feature delivery for an analytics platform.