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254 developer intern jobs at 163 companies in Illinois

1mo
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Backend / Frontend Developer Intern
Chicago, Illinois, United States
OnsiteInternship
Prospect Equities
Prospect Equities: Provides residential and commercial real estate brokerage and leasing services.
0+ YOEInternship seeking motivated, detail-oriented students skilled in frontend or backend development.
JavaScript, TypeScript, React, REST APIs, AWS, PostgreSQL, MongoDB, Elasticsearch, Java, Spring Boot, JUnit, AWS
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3w
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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
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2mo
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Computer Graphics Software Developer Intern
Champaign, Illinois, United States
$23-$26/hr OnsiteInternship
Brunswick
BrunswickNYSE: BC: Designs and manufactures marine engines and recreational boats.
US work authorization; enrollment in a BS in Computer Science; portfolio; Python and C++; game engine experience; basic CG knowledge; willingness to explore new techniques.
Python, C++, game engine, CG rendering techniques
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2mo
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Project Engineer Intern
Dupo, Illinois, United States
HybridMultiple Commitments Available
The Goley Companies
The Goley Companies: Provides professional insulation and building performance solutions for properties.
0+ YOECurrently pursuing a Bachelor's in Construction Management or related field; interest in preconstruction/estimating; blueprint reading; detail-oriented; strong communication and teamwork.
PlanSwift, Excel, Outlook, Adobe PDF
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3mo
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Process Engineer Intern
Manteno, Illinois, United States
$1-$20/hr OnsiteMultiple Commitments Available
Gotion High-tech
Gotion High-techShenzhen Stock Exchange: 002074: Develops and manufactures lithium-ion batteries and energy storage systems.
Pursuing or recently completed a bachelor’s degree in chemical engineering, materials engineering, electrochemistry, physical materials, or related engineering; basic manufacturing/process knowledge; strong data analysis and communication skills.
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1d
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Quantitative Developer Intern
Chicago, Illinois, United States
OnsiteInternship
BlackEdge Capital
BlackEdge Capital: Proprietary trading firm specializing in options market making.
Pursuing a CS/CE or related degree (graduating 2028), strong problem-solving, knowledge of low-level computer science, exposure to design/architectural patterns, and interest in quantitative finance.
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1w
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Software Developer Intern
Chicago, Illinois, United States
$225k/yr OnsiteInternship
DRW
DRW: Technology-driven principal trading firm operating in global financial markets
Pursuing BS/MS/PhD in CS, CE, Physics, Math, ML or related; experience with network/multi-threaded programming; strong algorithms and OOP; skills in C++, Python, or Java; strong problem-solving and communication.
C++, Python, Java, TCP/IP
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2w
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Campus UI Software Engineer (Intern)
Chicago, Illinois, United States
$250k/yr OnsiteInternship
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Proficiency in TypeScript and Python, web frameworks, Linux development, strong data structures/algorithms and threading knowledge, teamwork and reliable availability; internship-level candidates encouraged.
TypeScript, Python, React, Linux
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2w
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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
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2d
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Manufacturing Engineer Intern
Morton, Illinois, United States
$20-$26/hr OnsiteFull Time
Morton Industries
Morton Industries: Manufactures precision tube and sheet metal assemblies for OEMs.
Support and improve manufacturing methods, perform time-and-motion studies, analyze data, and develop production standards; proficiency with Excel and ability to perform physical shop walks.
Microsoft Excel
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3w
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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++
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3mo
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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
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5d
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SAP iXp Intern - AI Engineer
Naperville, Illinois, United States
HybridInternship
SAP
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
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1w
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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
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1mo
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Applications Engineer Intern
Elk Grove Village, Illinois, United States
$19-$19/hr OnsiteMultiple Commitments Available
MC Machinery Systems
MC Machinery Systems: Sells and services industrial metalworking and fabrication machinery.
Enrolled in an associate's or bachelor's program in manufacturing technology or mechanical engineering; experience with CAD/CAM and basic CNC programming; Microsoft Windows proficiency; strong communication and attention to detail.
CAD/CAM, CNC, Microsoft Windows, 2D/3D modeling software
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3d
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Project Engineer Intern
South Bend or Chicago or Westmont or Milwaukee
$20-$25/hr OnsiteFull Time
Ryan Companies
Ryan Companies: Provides integrated commercial real estate development and construction services.
Pursuing a bachelor's in construction engineering/management or related, within 18 months of graduation; able to work 40 hours/week for a minimum three-month term; basic estimating, math, contract and drawing comprehension skills.
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1w
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Project Engineer Intern
Chicago, Illinois, United States
$20-$25/yr OnsiteInternship, Full Time
Velair Property Management
Velair Property Management: Professional property management for multifamily residential communities.
Pursuing a degree in construction-related field, GPA≥3.0, strong communication and organizational skills, eagerness to learn; previous industry experience a plus.
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2mo
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Agent Engineer Intern
Chicago, Illinois, United States
OnsiteInternship
Vecna AI
Vecna AI: Building agent orchestration infrastructure for autonomous, long-horizon operations.
Internship in engineering focusing on agent orchestration, memory, tool design, and reasoning architectures.
Python, Async, LLMs, Agents, Distributed systems, Graph data models, Tool integration
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1w
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Quality Engineer Intern
Mokena, Illinois, United States
$24-$28/hr OnsiteFull Time
ITW
ITWNYSE: ITW: Global manufacturer of specialized industrial equipment and consumables.
Pursuing Bachelor's or Master's in engineering, knowledge of quality principles and testing, statistical analysis familiarity, strong problem-solving and communication skills, proficiency with Microsoft Office.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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2mo
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Business Development Intern
Chicago, Illinois, United States
OnsiteInternship
Nexus3 Capital
Nexus3 Capital: Builds and operates AI-native enterprise software companies.
0+ YOEBachelor/Master in Business/Technology; internship in BD/market research; strong analytical and communication skills; knowledge of generative AI.
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