53 software engineer intern summer 2026 jobs at 12 companies in United States
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Whova: All-in-one platform for event management and attendee engagement.
Currently enrolled as a junior/senior, master’s, or doctoral student in a computer science/engineering field; strong understanding of data structures, algorithms, and computer systems.
JavaScript, TypeScript, HTML, CSS, REST APIs, Front-end development, Back-end development
TikTok: Global short-form video hosting and social media platform.
Currently pursuing a BS or MS in CS or related field; available for a 12-week summer internship in 2026; familiarity with Lakehouse technologies, Flink, PyTorch, and columnar formats; proficiency in Java/Scala/C++ preferred.
Apache Paimon, Iceberg, Delta Lake, Hudi, Apache Flink, PyTorch, Parquet, ORC, Lance, Java, Scala, C++
Notion: Provides a unified workspace for notes, documents, and project management.
0+ YOEPursuing a bachelor's or master's in CS/engineering; must graduate before Summer 2027; prior internship experience; proficient in TypeScript, Node.js, or Python.
ByteDance: Developing AI-driven content platforms and mobile applications.
Currently pursuing a BS/MS in CS or related field, available for a 12-week summer internship in 2026; experience with Android/Java/Objective-C/Python/Golang and cloud/CI/CD/build/storage systems.
Pylon: AI-native customer support platform for B2B companies.
Pursuing a BS/MS in computer science or related field, graduating Dec 2026–Summer 2027; willing to relocate to San Francisco; strong full‑stack fundamentals; internship or side projects preferred.
OfferUp: Mobile marketplace for buying and selling local goods.
Currently enrolled in an undergraduate or graduate program; strong CS fundamentals, communication, and ability to ship production code. Familiarity with Java and prior team software project experience helpful.
Actively enrolled in an accredited electrical engineering or related undergraduate program, authorized to work in the U.S., strong interest in power/substation work, basic technical writing and software skills.
AE2S: Specialized civil and environmental engineering consulting firm.
Pursuing a bachelor's in civil/structural engineering, minimum 3.0 GPA, at least one semester completed; Revit/AutoCAD and structural software experience preferred; ability to travel and perform site observation.
Ottawa Infotainment Internship Program – “Alligator Wrestling Program” (Summer 2026)
Ottawa or Detroit or Windsor or Los Angeles
OnsiteInternship
Ottawa Infotainment: A building software-defined vehicle systems and infotainment platforms.
Curious, self-directed candidates with problem-solving skills and interest or background in software, electrical, mechanical, design, or supply chain/business operations; able to own deliverables and present to leadership.