23 software engineering intern jobs at 16 companies in St. Charles, IL
🚀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).
Kimley-Horn: Full-service consulting firm providing engineering, planning, and design services.
In-progress ABET-accredited Bachelors or Masters in engineering, familiarity with civil engineering design and regulations, and ability to use discipline software.
AutoCAD, Revit, Civil 3D, Microsoft Excel, Microstation, VISSIM, Open Roads, Synchro, GIS
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.
Altom Transport: Specialized transportation of bulk liquid chemicals and petroleum products.
Current student or recent graduate in CS/Software Engineering or related; experience with JavaScript or Python; knowledge of SQL/PostgreSQL/MongoDB; familiarity with AWS/Azure/GCP a plus; strong problem-solving and teamwork skills.
JavaScript, Python, SQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud
OceanComm: High-speed wireless acoustic modems for underwater video and data.
Actively enrolled STEM student (EE/CompE/MechE or related), full-time on-site for minimum 12 weeks, proficiency in C/C++/Python and Git, strong fundamentals in software or hardware, U.S. person requirement.
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
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.
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Proficiency in C++ or Python on Linux, strong data structures and threading knowledge, coursework or experience in algorithms/OS, reliable availability, collaborative team skills.
Software Engineering Internship (C++ or Python) – Summer 2027
Austin or Chicago or New York City or Singapore or London
$6k/wkOnsiteInternship
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.
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.
FEV North America: Develops and tests propulsion systems and vehicle technologies.
3+ YOEBachelor's in CS/CE, 3+ years embedded software development, proficient in C/C++, Git, CI/CD for Yocto-based systems, Docker/VM, CMake; travel up to 10% domestic and international.
Sears Home Services: Residential appliance repair, HVAC maintenance, and home improvement services.
0+ YOEPursuing related degree, some undergraduate education, <1 year related experience acceptable; requires familiarity with AI tools, prompt engineering, workflow automation, strong communication and analytical skills.
SAPFrankfurt Stock Exchange: SAP: Sells enterprise resource planning and business management software solutions.
Pursuing a BS/MS in CS, Engineering, Mathematics or related; comfortable with Python; coursework/experience with ML/LLM frameworks; basic SQL and data analysis; strong problem-solving and communication skills.
Python, JavaScript, TypeScript, PyTorch, Hugging Face, LangChain, LlamaIndex, SQL, FastAPI, React, Docker, Git, SAP BTP, SAP HANA Cloud, SAP Datasphere, Azure, GCP, AWS
ActiveCampaign: Provides automated marketing and customer relationship management software.
5+ YOE5+ years in software/platform/infrastructure engineering; experience building internal platforms, cloud deployments, observability, integrations, and AI agent/LLM workflows; strong system design and cross-functional communication.
Sepire: Provides secure printing, mailing, and multi-channel communication services.
Proven experience managing software teams, strong technical understanding of architecture, integrations, and data workflows, experience with internal and offshore teams, strong communication and problem-solving, and ability to improve engineering delivery and reduce technical debt.
Microsoft .NET, Microsoft SQL Server, APIs, Microsoft Azure