Top Internships in San Diego, CA

Supports the Data Science and Machine Learning team by analyzing large-scale datasets, identifying anomalies and root causes, developing data validation and normalization methods, and improving the accuracy of derived data products. The intern will evaluate models, translate ambiguous problems into statistical formulations, debug messy data, test hypotheses, and implement maintainable analytical solutions using Python, SQL, and distributed data platforms.

Supports electrical engineering projects by preparing calculations, drawings, and visual aids; assisting project managers and engineers; making minor AutoCAD and Revit revisions; collecting and verifying data; and performing tasks under supervision.

Support building and redesigning responsive, mobile-friendly websites; create wireframes and sitemaps; develop front-end UIs and assist with back-end tasks; optimize for performance, scalability, and SEO; participate in brainstorming, debugging, testing, and follow clean coding and version-control best practices under developer mentorship.

Supports sales and consumer marketing projects across insights, pricing, promotions, category solutions, and customer teams. Responsibilities include developing customer recommendations, analyzing and reporting business results, supporting brand targets, collaborating with sales and marketing teams, managing projects, presenting to stakeholders, maintaining partner relationships, and monitoring promotional effectiveness.

Product Management Intern responsible for discovering patient, clinician, and care-team needs; translating ambiguous problems into product requirements, workflows, and success metrics; and partnering with engineering, design, clinical, and operations teams to prototype, launch, and iterate AI-powered healthcare experiences. The intern will own a defined product initiative from discovery through iteration, contribute to mock prototypes and code, and support activities such as patient-call shadowing and care-team training.

Research and prototype transformer-based and graph-based foundation models using customer, transaction, and merchant data. The intern will design and train models, run rigorous experiments, evaluate results, and develop working prototypes. Responsibilities include collaborating with Product, Engineering, Analytics, and Applied Science teams to improve customer experience, operational efficiency, and business outcomes.

Supports watershed and water-resource planning, design, policy, scientific research, public education, outreach, and environmental justice initiatives. The internship emphasizes collaborative, innovative approaches to producing actionable environmental information for clients.

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.

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.

Support NetSuite implementations and system changes by assisting with requirements gathering, solution design, configuration, testing, data migration, reporting, training, and troubleshooting. Collaborate with project leads, internal teams, and clients to improve business processes and deliver solutions. The role may involve local client travel, work across time zones, and occasional work outside standard office hours.

Supports mechanical design engineers with HVAC and plumbing system design, Revit 3D construction plans, engineering calculations, project pursuit materials, reports, and data collection. The intern collaborates with the mechanical design team and assists with energy-efficient MEP design for complex facilities.

Work with the development team to build and debug web applications: write Python backend code, create responsive HTML/CSS/JavaScript frontends, integrate frontend and backend, participate in code reviews and testing, learn frameworks and document progress.

Assist in designing and building full-stack web applications using the MERN stack. Work on frontend (React) and backend (Node/Express), create responsive UIs, develop RESTful APIs, manage MongoDB databases, debug and optimize applications, collaborate in code reviews and agile sprints, and stay current with web development trends.

Support mechanical engineering team in CAD modeling, FEA, tolerance analysis, and prototype validation for rack- and row-based data center infrastructure. Create manufacturing-ready drawings, support BOM and lab testing, and collaborate with cross-functional teams throughout new product development.

Supports enterprise AI transformation through machine learning, generative AI, data science, retrieval-augmented generation, and workflow automation. Responsibilities include data preparation, feature engineering, model development and evaluation, monitoring, dashboard and documentation creation, and secure AI application development. The intern collaborates with IT, AI transformation teams, data stewards, and business stakeholders to deliver practical AI and analytics solutions while following security, privacy, and responsible AI requirements.

Supports pharmacists and healthcare providers in chronic care and remote patient monitoring programs. Responsibilities include patient engagement calls, medication reconciliation, chart preparation, care plan documentation, EHR updates, task coordination, compliance tracking, and collaboration with clinical teams. The intern also assists with administrative duties, follows CCM and RPM regulations, documents patient interactions, and participates in professional development and care conferences.

Build, test, deploy, and document business process automations using Power Automate, Power Apps, SharePoint, and AI assistants. Map manual workflows, implement error handling, create training materials, measure automation impact, and support innovation projects. The six-month on-site internship includes collaboration with process owners, practical testing, troubleshooting, and research into automation tools.

Build, test, deploy, and document business automations using Power Automate, Power Apps, SharePoint, and AI assistants. Map manual processes, design logical workflows, handle errors and exceptions, create training materials, measure automation impact, and support internal innovation projects. The role includes collaboration with process owners, practical troubleshooting, research, and maintaining live automations used by internal teams.

Supports the Innovation team through industry and technology research, business case development, project planning, stakeholder coordination, documentation, data analysis, visualization, and automation initiatives. The intern will track milestones, organize meetings and workshops, prepare strategic materials, identify process improvements, and help evaluate new ideas. The role requires strong organization, communication, analytical thinking, and curiosity about emerging technologies. It is a six-month, on-site internship with an allowance.

Build and ship software engineering projects from design through production rollout. Develop AI-powered features supporting chronic care workflows, collaborate with engineering and clinical partners, write maintainable and testable code, and apply software development practices to reliable cloud-based systems. Test, monitor, and iterate using production feedback, with emphasis on patient impact and human judgment.

Supports Therakos’ enterprise evidence-generation strategy through literature reviews, evidence landscape assessments, gap analyses, evidence mapping, and research prioritization. The intern collaborates with Medical Affairs, HEOR, and Clinical Development stakeholders, develops executive presentations and evidence summaries, maintains literature repositories, and presents strategic recommendations to leadership. The role provides exposure to medical affairs strategy, health economics, real-world evidence, publication planning, and portfolio-level decision-making.

Supports Therakos’ enterprise evidence-generation strategy through literature reviews, evidence landscape assessments, gap analyses, evidence mapping, and research prioritization. Collaborates with Medical Affairs, HEOR, and Clinical Development teams to evaluate clinical, economic, patient-reported, real-world, and scientific evidence. Develops executive presentations, evidence inventories, recommendations, and stakeholder materials while contributing to the enterprise integrated evidence-generation plan.

Participate in a 12-week commodities trading internship supporting natural gas market analysis, trading strategies, scheduling, logistics, portfolio optimization, and process improvement. Analyze supply, demand, storage, and transportation fundamentals using Excel, Spotfire, and Power BI. Communicate insights across organizational levels and support data-driven decision-making within the Commodities department.

Supports seed and crop protection product development through agronomic research, analysis, and collaboration with local teams. Provides agronomic insights to assist market development and sales execution, while completing a business-critical project. The 11-week internship includes customer and industry exposure, travel, and potential progression into a two-year rotational associate program.

Software Engineer Interns spend 12 weeks contributing to collaborative engineering teams at SingleStore. They develop features, test software, own projects end-to-end, and continuously deploy work to production. Interns gain exposure to the product lifecycle and business while working with experienced engineering mentors and cross-functional teams. The role requires strong computer science fundamentals, programming ability in JavaScript, Golang, or TypeScript, and an interest in building reliable software.