Software Engineering Intern (Summer 2027) Scale AISoftware Engineering Intern (Summer 2027)San Francisco, CAFor 10 years, Scale has provided the high-quality data and full-stack technologies that power the world's leading models, and has helped enterprises and governments build, deploy, and oversee AI applications that deliver real impact. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact.
Embedded Software Engineering Intern - Winter Fab2Embedded Software Engineering Intern - WinterSan Francisco, CaliforniaYou’ll be working on an integrated engineering team building semiconductor fabrication equipment, so you’ll be exposed to some very interesting engineering problems. We’re an early-stage hardware startup with solid funding, world-class advisors, and labs/offices in Austin, TX, Lockhart, TX, and San Francisco, CA.
2026 Fall Engineering Intern Estes Energy2026 Fall Engineering InternSan Francisco, CARoughly 3.9 million barrels of diesel (5.8 TWh of energy) are burned every day in the U.S., mostly by commercial vehicles and equipment — emitting 1.66 megatonnes of CO₂, 353 kilotonnes of NOx, and 9.92 kilotonnes of SOx daily. Contribute to the design, build, and test of components or subsystems within our power systems (mechanical, electrical, controls, battery, manufacturing, or systems engineering — depending on your focus).
NewEngineering Intern TRC Companies IncEngineering InternConcord, CA$20–$28 / hourTRC has long set the bar for clients who require more than just engineering, combining science with the latest technology to devise innovative solutions that stand the test of time. We recognize that the expertise of our staff is our strongest asset, so we generously reward employees for successful performance and invest in their careers through training and the development of new skills and certifications.
Summer 2027 Aeromechanical Engineering Intern AeroVironment IncSummer 2027 Aeromechanical Engineering InternPetaluma, CAAgencies of the U.S. Department of Defense and allied military services use the company's hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition. We strive to simulate a full-time job, enabling our interns to work hands-on with cutting-edge technology, contribute to meaningful projects, build strong relationships with coworkers, and develop strategic problem-solving skills.
Software Engineering Intern, Product & Developer Productivity (Summer 2027) HPSoftware Engineering Intern, Product & Developer Productivity (Summer 2027)San Francisco, California$45–$51 / hourIn this internship role, you will work directly with our hiring manager and team to design, build, and deploy agents that utilize pre-trained machine learning models to solve real problems for developers and quality engineers. Familiarity with agentic systems, AI tools (such as Claude Code or OpenAI), or model utilization in applications; deep machine learning expertise is not required as we focus on using pre-trained models, not building them.
Software Engineering Intern - Summer ''27 Vercel IncSoftware Engineering Intern - Summer ''27San Francisco, CA$110,000–$132,000 / yearWhat You Will Do: Work will vary by team - but your general scope will include, but not be limited to: Own an end-to-end project: scope it with your manager, build it, ship it, and see it in customers'' hands. We are building the platform for that future, trusted by companies like OpenAI, PayPal, Ramp, Supreme, and millions of developers worldwide.
Antenna Engineering Intern (Fall 2026) TacitAntenna Engineering Intern (Fall 2026)San Francisco, CaliforniaBuild mock ups for proof-of-concept prototypes and test vehicles, build test fixtures and platforms, and create solutions to automate the antenna system development process, and data analysis of testing workflows. Assist in sensor calibration to reduce device-to-device variability and maintain reliable performance in different operating conditions and practical user-study cases across user populations.
Software Engineering Intern MechanizeSoftware Engineering InternSan Francisco, CaliforniaComing up with good task ideas requires being clever: finding situations where a frontier model will fail in interesting ways, which means seeing gaps that the model itself doesn't see. You own the full lifecycle: coming up with the idea, implementing the grading infrastructure, running frontier models against the task, analyzing where and why they fail, and iterating until the task is rigorous and fair.
Polymers Materials Science Intern TE Connectivity plcPolymers Materials Science InternFREMONT, CAThis group is committed to creating a highly engaged and empowered cross-functional network of young professionals by placing high value in Professional Development, Networking Opportunities and Community Involvement to drive the success of our interns. Our broad range of connectivity and sensor solutions enable the distribution of power, signal and data to advance next-generation transportation, renewable energy, automated factories, data centers, medical technology and more.
Refining Chemical Engineering Intern/Co-op Summer 2027 Marathon Petroleum CorpRefining Chemical Engineering Intern/Co-op Summer 2027Martinez, CAPast projects/duties include: analyze refinery process flow data and compare to recommended optimum levels, this will help in identifying equipment failures which cause variances in capacity from the optimum levels; update information on gasoline blends and tank samples in preparation for an annual blender waiver audit; develop applications to better present process data for refinery operating decisions. Past projects/duties include: perform process calculations for the Risk Management Plan, including taking physical surveys of refinery process units; work on various process engineering projects within a Wastewater Treatment Plant; participate in inspections and/or testing that is conducted by federal, state, or local officials.
Electromechanical Engineer Intern TE Connectivity plcElectromechanical Engineer InternFREMONT, CA$26.92–$57.15 / hourThis group is committed to creating a highly engaged and empowered cross-functional network of young professionals by placing high value in Professional Development, Networking Opportunities and Community Involvement to drive the success of our interns. Are currently enrolled in, or pursuing, a BA/BS or MA/MS Degree in Mechanical Engineering, Electrical Engineering or Plastics/Polymer Engineering from an accredited college or university-or have equivalent work experience (gap year students may also be considered).
Software Engineer, Intern Summer 2027 - US DoorDash IncSoftware Engineer, Intern Summer 2027 - USSan Francisco, CA$107,400–$158,000 / yearWe value a diverse workforce - people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. We're looking for experienced engineers to join our fast-growing engineering team to help us develop a 24x7 global infrastructure system that powers DoorDash's three-sided marketplace of consumers, merchants, and dashers.
Engineering Intern RoamEngineering InternSan Francisco, CaliforniaAssembled a 12 person applied AI team spanning ByteDance Seed, Nous Research, OpenCSG, NASA (multi-agent workflows, world simulation), second-time technical founders, engineers that shipped 100+ games for Voodoo and Supersonic and built mobile apps from 0–2M DAUs. Built & scaled products with agents: Orchestrated multi-agent tool-calling with memory and planning, shipped to real users with live evals, tracing/observability.
San Francisco Internal Audit and Financial Advisory Intern - 2027 ProtivitiSan Francisco Internal Audit and Financial Advisory Intern - 2027San Francisco, CaliforniaInternal Audit and Financial Advisory interns are hired into one of two areas, including: Business Process Audit and Advisory: Helps companies become more innovative by exploring their business processes, identifying and mitigating emerging risks, developing creative solutions to complex business challenges, and encouraging best practices to enhance business functions. Imagining our work as a journey, integrity guides our way, inclusion moves us forward together, innovation creates new destinations, and our commitment to success empowers us to deliver high-quality, client-focused outcomes in pursuit of our vision to be the most trusted global consulting firm.
R&D Materials Development PhD Intern TE Connectivity plcR&D Materials Development PhD InternFREMONT, CA$37.29–$57.15 / hourThis group is committed to creating a highly engaged and empowered cross-functional network of young professionals by placing high value in Professional Development, Networking Opportunities and Community Involvement to drive the success of our interns. The Polymer and Composites group develops new high-performance materials such as sealants and adhesives, polymer composites, and functional liquid inks/pastes, as well as their relevant processes such as extrusion, injection molding, and printing for use throughout TE's many business sectors.
2027 Future Talent Program - Pharmaceutical Analysis and Digital Technology (PADT) and Large Molecule Analytical (LMA) - Intern Merck & Co Inc2027 Future Talent Program - Pharmaceutical Analysis and Digital Technology (PADT) and Large Molecule Analytical (LMA) - InternSouth San Francisco, CA$39,908–$111,111 / yearThe PADT and LMA departments will expose the intern to various expert groups in the areas of screening and high-throughput analysis, molecular and physical materials characterization, structural elucidation including high end mass spectrometry and NMR techniques, separation-based techniques, assays for interrogating critical attributes of drug products, immunoassays, cell-based assays, labeled-compound analyses, trace metals analyses, and advanced statistical and data analytics/ machine learning processes, further broadening their experience. Our Pharmaceutical Analysis & Digital Technology (PADT) and Large Molecule Analytical (LMA) departments in Rahway, NJ, West Point, PA, Boston, MA, and South San Francisco, CA are seeking summer interns who will work collaboratively in a team environment at our state-of-the-art laboratories to develop novel analytical methodologies that impact drug substance and drug product development.
Intern, AI Engineering Workato IncIntern, AI EngineeringSan Francisco, CALLM Agent Systems: Design and implement intelligent agent architectures for complex enterprise automation tasks, including multi-agent collaboration, MCP, and reasoning frameworks. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workatos cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale.
Cyber Security Intern Labelbox, IncCyber Security InternSan Francisco, CADemonstrated ability to integrate modern AI tools and local LLM agents (such as Cursor or Claude Code) into your workflow to increase efficiency and solve technical problems faster. Interns on our team gain exposure to real world security challenges while contributing directly to initiatives that support Labelbox's growth and security maturity.
Sustainability CP&I - Intern - Summer 2027 PricewaterhouseCoopers LLPSustainability CP&I - Intern - Summer 2027San Francisco, CA$29.25–$48 / hourCurrently pursuing or have completed a Bachelor''s degree in one of the following fields of study: Civil Engineering, Construction Management, Engineering Management, Industrial/Manufacturing Engineering, Nuclear Engineering, Environmental Engineering, Computer Engineering, Engineering Data Science & Analytics, Risk Engineering & Management, Mechanical Engineering. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .