78 software engineering summer intern jobs at 30 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).
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
Undergraduate student completing freshman year prior to summer 2027; programming experience in C/C++/Java/Python; eligible for US DoD security clearance; familiarity with Windows/Linux and Microsoft Office.
C, C++, Java, Python, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Windows, Linux, Git, x86, PowerPC, Agile
CTGT: Deterministic governance platform for enterprise AI systems.
Pursuing a Bachelor's in CS or related; strong programming fundamentals in Python or JavaScript; familiarity with Git and basic cloud workflows (AWS or GCP); ability to work independently and communicate technical ideas clearly.
Circleback: AI-powered platform for capturing and managing workplace meeting intelligence.
Experience building end-to-end features (database to UI) for web, desktop, or mobile; prior project or role experience; strong attention to detail, ownership, and curiosity about product.
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.
Epic: Develops electronic health record software for healthcare systems.
Pursuing BS/BA in CS/Software Engineering; junior standing or higher; eligible to work in the U.S. without visa sponsorship; willing to relocate to Madison, WI; COVID-19 vaccination.
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.
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++
Optiver: Global market maker providing liquidity to financial markets.
Student in CS or CE on track to graduate Dec 2027–Jun 2028; proficient in C++, Python, or Java; strong CS fundamentals, problem-solving, and collaboration skills.
Pursuing BS, MS, or PhD in STEM with expected graduation Fall 2027–Spring 2028; strong Python/C++; knowledge of algorithms and systems; collaborative mindset; eager to learn software design and testing.
Python, C++, Git, Linux, Refactoring, Test Driven Development
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.
IMC: Global trading firm providing liquidity to financial markets.
0+ YOECurrent university student graduating Sep 2027–Jul 2028 pursuing CS/Engineering/related degree; strong algorithms and data structures knowledge; proficiency in a programming language (Java or C++ preferred); able to start June 7, 2027.
Walleye Capital: Multi-strategy investment firm specializing in quantitative and volatility strategies.
0+ YOEUndergrad or non-MBA master’s in CS/engineering; strong programming, analytical skills; interest in AI; self-motivated, adaptable; collaborative and detail-oriented.
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Pursuing a bachelor’s, master’s, or Ph.D. in a technical field; graduating by Aug 2028; major GPA ≥3.5; legal U.S. work authorization on day one (including OPT/STEM); strong Python and distributed systems skills; strong problem-solving and communication.