Top Internships in San Diego, CA

Work on front-end and back-end web projects: create and redesign websites, build sitemaps and wireframes, collaborate with teams, and focus on UI/UX and performant back-end functionality.

Design user interfaces for web and mobile applications, create social media content, marketing creatives, presentations, and brand assets, and develop wireframes, user journeys, prototypes, and UI designs. Collaborate with marketing, product, and content teams across multiple brands while maintaining design consistency. Contribute creative concepts for campaigns and branding, stay current with design trends, and build a portfolio through real-world projects.

Support software development across frontend, backend, web, and mobile applications. Responsibilities include developing with WordPress, React, Next.js, Flutter, and Java; testing and maintaining applications; participating in code reviews; collaborating with teammates; and staying current with software development technologies.

Supports client onboarding, business operations, project tracking, reporting, process improvement, compliance checks, and cross-functional strategic initiatives. The intern will update internal systems, maintain records, prepare stakeholder presentations, and participate in meetings while gaining exposure to banking operations and business strategy through a 12-week summer program.

Supports client onboarding, business operations, reporting, documentation, quality checks, and strategic initiatives across multiple banking units. The intern updates internal systems, tracks project progress, prepares stakeholder materials, participates in process improvement discussions, and ensures compliance with internal procedures. The program also includes leadership sessions, financial literacy training, a capstone project, and professional development opportunities.

Maintain and update Salesforce participant-tracking systems, build program outcome reports, clean and organize data, and support Salesforce workflow development. The intern will learn Salesforce administration, reporting, and process design while supporting nonprofit program reporting. This is a fully remote, unpaid three-month internship requiring 5–10 hours per week, with North Carolina residency preferred and mentorship provided.

Create and structure AI literacy curriculum, research instructional frameworks, develop course materials and assessments, publish content through LearnPress, and refine lessons using participant feedback. The intern will work remotely with the Founder and Web Manager Intern for 5–10 hours weekly over three months. No prior curriculum design experience is required; reliability, curiosity, and authorization to volunteer in the United States are required.

Unpaid remote project management internship coordinating projects from planning through completion. Responsibilities include creating work breakdown structures and network diagrams, tracking tasks and milestones in project management software, communicating with stakeholders, identifying blockers and scheduling risks, and supporting nonprofit digital equity and sustainability initiatives. The role offers mentorship, portfolio experience, and potential future paid opportunities.

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.

Research grant opportunities, draft grant applications and supporting materials, refine the organization’s case for support, track deadlines and outcomes, and maintain a grants calendar and pipeline. The intern will work remotely with the Founder and CEO for 5–10 hours weekly over three months, gaining hands-on nonprofit development and grant writing experience through mentorship.

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.

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.

Supports day-to-day operations across various departments through project assistance, research, data gathering, database and spreadsheet maintenance, administrative tasks, meetings, and training. The intern collaborates with team members, develops professional skills, maintains confidentiality, and may travel between operating locations. Responsibilities can include office or operations-site work, lifting up to 50 pounds, wearing PPE, and preparing a final training presentation.

Participate in a 12-week finance internship supporting financial statement analysis, performance reporting, forecasting, financial modeling, dashboards, and leadership presentations. Analyze large datasets to identify trends and actionable insights, maintain forecasting tools, and collaborate with analytics teams to integrate financial data into strategic decision-making within a technology-driven banking environment.

Participate in a 12-week accounting internship supporting SOX documentation, accounting policies, journal entries, month-end close, reconciliations, U.S. GAAP financial reporting, SEC and regulatory filings, audit support, and process improvements through reporting automation.

Supports internal audit activities at Axos Bank by planning, executing, and reporting audits; analyzing business processes; testing internal controls under Sarbanes-Oxley; performing assurance reviews; documenting work papers; and contributing to continuous improvement initiatives. The role is part of a 12-week summer internship program and requires a bachelor’s degree.

Participate in a 12-week accounting internship supporting SOX documentation, accounting policies, journal entries, month-end close, general ledger reconciliations, financial reporting under U.S. GAAP, SEC and regulatory filings, audit support, and process improvements. The role provides exposure to accounting guidance, financial reporting, internal controls, and banking operations while developing analytical, problem-solving, and prioritization skills.

Provides supervised work experience in facilities management and equipment support. The intern trains with department personnel, learns functional applications and tools, completes assigned projects and tasks, follows company policies, solves problems, and contributes independently and collaboratively. Assignments relate to the intern’s field of study, particularly chemical or mechanical engineering, transportation logistics, or another quantitative discipline.

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.

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.

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.

Mechanical Engineering Intern supporting the design, fabrication, assembly, documentation, sourcing, and testing of autonomous surface vehicle hardware. Responsibilities include creating SolidWorks parts and assemblies, maintaining drawings and BOMs, developing fixtures and tooling, inspecting components, supporting testing, and collaborating on electromechanical systems. This is a full-time, in-person internship in San Diego from approximately January through May 2027.

Software engineering interns develop code, resolve critical problems, and improve system stability and resilience on defense-related projects. Interns collaborate with experienced engineers, contribute to real-world customer solutions, and gain exposure to frontend, backend, cloud, DevOps, database, image processing, machine learning, and GIS technologies through BAE Systems’ LEAP summer 2027 program.