36 software development intern summer 2026 jobs at 5 companies in Berkeley, CA
🚀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).
Software Development Engineer in Test Intern (TikTok-Growth)- 2026 Summer(BS/MS)
San Jose, California, United States
OnsiteInternship
TikTok: Global short-form video hosting and social media platform.
Currently pursuing BS/MS in CS or related field; familiar with Java, Python, Objective-C, Golang; fluent in Python; must be able to work 12 weeks in Summer 2026 and have work authorization in the US (no sponsorship).
ByteDance: Developing AI-driven content platforms and mobile applications.
Pursuing BS/MS in CS, Communications, or related; 12-week summer availability in 2026; strong algorithms/data structures; proficiency in C/C++/Python/Go; Linux familiarity and interest in high-speed networking and hardware-software interaction.
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.
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.