79 software developer summer intern jobs at 32 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).
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.
Five Rings: Proprietary trading firm developing quantitative strategies for global markets.
Internship requiring Python proficiency (required), C or C++ and Linux preferred; strong communication and analytical skills; summer program participation.
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
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
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.
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++
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.
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.
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.
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.
ByteDance: Developing AI-driven content platforms and mobile applications.
Currently enrolled undergraduate/graduate student available for a 12-week summer internship; experience with Java/Go/C++/C#/Python and backend development; strong analytical and attention to detail.
Quantiq: Proprietary high frequency derivatives trading firm.
Pursuing degree with expected graduation Dec 2027–Jun 2028; proficient in Python and/or C++; familiar with TCP/IP and UDP; strong communication and problem-solving skills.
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.
SimonComputing: Develops software and IT solutions for government agencies.
2+ YOE2+ years of Java coding (school or other venues), strong problem-solving, interest in software development, ability to work in Agile teams and learn full‑stack technologies.
RF-SMART: Provides mobile inventory and warehouse management software solutions.
0+ YOEWorking toward a degree in Computer Science/CS-related field; basic experience with C# and Visual Studio; strong communication; team oriented; willing to learn.
Software Developer Intern (in-office - Grand Rapids, MI)
Grand Rapids, Michigan, United States
OnsiteMultiple Commitments Available
Stenger & Stenger: Law firm providing debt collection and creditor rights legal services.
Currently pursuing a Bachelor’s in CS/Software Engineering/Information Systems, available full-time in summer and up to 20 hrs/week during school, basic OOP and SQL knowledge, familiarity with C#/VB.NET/Java/Python and Git preferred.