16 software developer summer intern jobs at 9 companies in Portage, IN

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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
1mo
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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++
3w
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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
3w
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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
1mo
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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
3w
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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
3w
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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
2w
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Software Engineering Internship - Summer 2027
Chicago, Illinois, United States
$15k/mo HybridInternship
Chicago Trading Company
Chicago Trading Company: Provides liquidity and manages risk in global derivatives markets.
Pursuing a Bachelor’s or Master’s in CS/CE or similar, graduation Dec 2027–Jun 2028; Java/C++/Python experience; ability to relocate to Chicago for full 8-week summer program; strong CS fundamentals and teamwork.
Java, C++, Python
2d
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2027 Code for Good Hackathon - Software Engineer Program - Summer Internship – United States
Chicago or Columbus or Houston or Jersey City or New York City or Palo Alto or Plano or Wilmington or Tampa or Brooklyn
$46-$60/hr OnsiteInternship, Full Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
Pursuing a bachelor’s or 5th-year master’s in CS-related field with graduation Dec 2027–Jun 2028; ability to write secure code, collaborate across teams, use automation and AI tools, and be authorized to work in the U.S.
HackerRank
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Quantitative Developer Intern - Summer 2027
New York City or Chicago
$4k-$6k/wk OnsiteInternship
Tower Research Capital
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
Currently enrolled degree student in CS, math, physics, EE or related; proficient in C++ or Python; working knowledge of Linux/Unix; strong problem-solving and communication skills; interest in financial markets.
C++, Python, Linux/Unix, FPGA
3w
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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++
1d
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Software Engineering Internship - Summer 2027
Chicago, Illinois, United States
$15k/mo OnsiteInternship
Chicago Trading Company
Chicago Trading Company: Market maker providing liquidity for financial derivative products.
Pursuing BS/MS in CS or similar, graduating Dec 2027–Jun 2028; foundation in data structures, OOP, algorithms; experience with Java,C++,or Python; willing to relocate to Chicago and participate full 8-week program.
Java, C++, Python
3w
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Quantitative Development & Strategy Intern, Summer 2027
Chicago, Illinois, United States
$130k/yr OnsiteIntern
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Pursuing bachelor's, master's, or PhD in a technical field; strong Python and OOP skills; exposure to linear algebra and statistics; GPA 3.5+; legal U.S. work authorization by first day (CPT/OPT/STEM accepted).
Python, C++
2w
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Trading Automation and Operations Intern (Summer 2027)
Chicago, Illinois, United States
$38k/yr OnsiteInternship
Optiver
Optiver: Global market maker providing liquidity to financial markets.
Enrolled in a STEM degree, proficiency in a programming language (preferably Python), strong analytical and communication skills, legal U.S. work authorization required.
Python
6d
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Morningstar Summer Tech Internship Program 2027 (Partner Link)
Chicago, Illinois, United States
$30/hr HybridFull Time, Internship
Morningstar
MorningstarNASDAQ: MORN: Provides independent investment research, data, and analytics.
0+ YOECurrently enrolled bachelor’s student graduating 2027, 0–2 years experience, strong coding and communication skills, resume required.
1w
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Technology, Development, & Design
Elmhurst, Illinois, United States
$165k-$180k/yr OnsiteFull Time
McMaster-Carr
McMaster-Carr: Supplies maintenance, repair, and operations products to industrial customers.
Open to Dec 2026–Summer 2027 graduates; strong problem solving, collaboration, coding fundamentals, and curiosity to build scalable customer-facing and internal systems.
3D CAD, generative AI