9 software engineering summer intern jobs at 5 companies in Wheaton, IL

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2w
Save
Mark Applied
Hide
Software Engineer Intern (Summer 2027 - Chicago)
Chicago, Illinois, United States
$80k/yr OnsiteInternship
Optiver
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.
C++, Python, Java
3mo
Save
Mark Applied
Hide
Software Engineer, Intern (Summer 2027)
Chicago or London
OnsiteInternship
Aquatic Capital Management
Aquatic Capital Management: Quantitative investment manager developing proprietary systematic trading strategies.
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
2w
Save
Mark Applied
Hide
Software Engineer Intern - Summer 2027
Chicago, Illinois, United States
$200k/yr OnsiteInternship
IMC
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.
Java, C++
2w
Save
Mark Applied
Hide
Software Engineer Intern (Summer 2027 - Austin)
Austin or Chicago
OnsiteInternship
Optiver
Optiver: Global market maker providing liquidity to financial markets.
Student pursuing BS/MS/PhD in Computer Science or Computer Engineering (graduating Dec 2027–Jun 2028), proficient in C++, Python, or Java, strong CS fundamentals and problem-solving, ability to work in fast-paced team environment.
C++, Python, Java
6d
Save
Mark Applied
Hide
Software Engineer Intern - C++, Summer 2027
Chicago, Illinois, United States
$145k/yr OnsiteIntern
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Pursuing a technical degree, graduating by Aug 2028, legal U.S. work authorization, experience with modern C++ and related tooling; strong problem-solving and communication skills.
C++20, C++23, C++, perf, gprof, vtune, Python, shell, GDB, Valgrind, AddressSanitizer
6d
Save
Mark Applied
Hide
Software Engineer Intern - Python, Summer 2027
Chicago, Illinois, United States
$145k/yr OnsiteIntern
Akuna Capital
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.
Python
6d
Save
Mark Applied
Hide
Software Engineering Internship (C++ or Python) – Summer 2027
Austin or Chicago or New York City or Singapore or London
$6k/wk OnsiteInternship
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
Full-time undergraduate student graduating 2028, programming experience in Python/C/C++, strong problem solving and communication skills, eligible for full-time roles in 2028.
Python, C, C++
6d
Save
Mark Applied
Hide
Software Engineer Intern - C# .NET Desktop, Summer 2027
Chicago, Illinois, United States
$145k/yr OnsiteInternship
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Currently pursuing a technical degree (BS/MS/PhD) graduating by Aug 2028 with 3.5+ GPA, legal U.S. work authorization on day one (OPT/STEM accepted), familiarity with C#, .NET, WinForms/WPF, Git, and unit testing.
C#, .NET Framework, WinForms, WPF, Git, NUnit
6d
Save
Mark Applied
Hide
Software Engineer Intern - Full Stack Web, Summer 2027
Chicago, Illinois, United States
$145k/yr OnsiteInternship
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Seeking a student pursuing a technical degree (graduating by Aug 2028) with strong web skills (React, TypeScript, Python), Git, testing, Linux; major GPA 3.5+, US work authorization required (OPT/STEM accepted).
React, TypeScript, Python, JavaScript, HTML/CSS, Linux, pytest, Jest, Storybook, Git