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3,265 junior developer jobs at 1,444 companies in Illinois

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Junior Software Engineer
Chicago, Illinois, United States
OnsiteFull Time
TransMarket Group
TransMarket Group: A global proprietary trading firm utilizing automated technology.
Bachelor’s degree in a quantitative or technical field; programming in C++/Python; interest in finance; strong math and communication; onsite.
C++, Python, Linux scripting
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2mo
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Junior Software Engineer
Chicago, Illinois, United States
$80k-$100k/yr OnsiteFull Time
Supernova Technology
Supernova Technology: Provides cloud-based digital software for securities-based lending.
Entry-level software engineer; learn SDLC, backend, coding; BS in CS or related field or equivalent practical experience; Java/C/C++, JavaScript; Java Spring Framework; handling high-priority requests; startup adaptability.
Java, C/C++, JavaScript, Python, Spring Framework, Spring Boot
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1mo
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Junior Traffic Engineer
Schaumburg, Illinois, United States
$27-$47/hr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
0+ YOEBachelor’s in civil engineering; 0+ years in traffic or transportation planning; proficient in MS Office; strong communication; team player.
Microsoft Office Suite
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Junior Lean Engineer
Manteno, Illinois, United States
$65k-$75k/yr OnsiteFull Time
Gotion High-tech
Gotion High-techShenzhen Stock Exchange: 002074: Develops and manufactures lithium-ion batteries and energy storage systems.
0+ YOEBachelor’s in Industrial, Manufacturing or Mechanical Engineering; interest in Lean Manufacturing and data-driven problem solving; internship/co-op experience; good communication; motivated to work in a manufacturing environment.
Excel, Data analysis tools, Statistical tools
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Junior Software Engineer (C++ & AI-Assisted Development)
Chicago, Illinois, United States
OnsiteFull Time
SG Cap Trading
SG Cap Trading: Proprietary trading firm developing automated trading software and systems.
1+ YOE1-2 years C++ experience; AI tooling experience; problem solving; BS in CS/CE or equivalent; Python is a plus; Git/IDE tooling; interest in local LLMs.
C++, Python, Git, CLion, VSCode, CI/CD, Local LLMs
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Junior Engineer, Applications (Cary, IL, US, 60013)
Cary, Illinois, United States
$72k/yr OnsiteFull Time
Aptar
AptarNYSE: ATR: Manufactures drug delivery and consumer product dispensing systems.
1+ YOE1-3 years in packaging or lab development; strong communication, math, and analytical skills; ability to test, troubleshoot, and present findings.
Microsoft Office (Outlook, Excel, Word, PowerPoint), Lab instruments and gauges, Testing equipment
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2mo
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Junior Capital Sales Engineer
Wheaton, Illinois, United States
OnsiteFull Time
Morris Group
Morris Group: Distributes and services CNC machine tools and manufacturing equipment.
1+ YOEBachelor’s degree in Engineering or related field; 1-2 years in manufacturing or capital equipment sales; strong CNC machining knowledge; proven ability to win new business; reside in DuPage County.
CNC, Machining, Automation
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3w
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Junior C++ Developer
New York or Chicago or London
$150k-$200k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
Strong foundation in algorithms, data structures, distributed systems, and software design; desire to learn low-level C++; familiarity with automated testing and CI/CD; excellent communication skills.
C++, CI/CD, Order Management System (OMS)
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3w
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Junior C++ Developer
Chicago or London or New York
$150k-$200k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
Strong foundation in algorithms, data structures, distributed systems, and software design; proficiency in low-level C++; familiarity with automated testing and CI/CD; strong communication and collaboration skills.
C++, CI/CD
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3w
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.NET Developer, Junior
Rock Island, Illinois, United States
$75k-$85k/yr OnsiteFull Time
OM Group
OM Group: Provides IT modernization, cloud migration, and software development services.
2+ YOE2+ years experience, BS or equivalent, Security+ within 90 days, active Secret clearance, ability to work on site in Rock Island IL; experience building UI/API/database features, integrating services, fixing defects, and writing unit tests.
.NET, DevSecOps
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Junior Salesforce AI Engineer
Alaska or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$60k-$70k/yr RemoteFull Time
iFIT
iFIT: Creates interactive fitness software and connected exercise equipment.
1+ YOE1–2 years Salesforce development/admin experience with Einstein and CPQ; Bachelor's degree or equivalent; proficiency in Apex, SOQL, LWC, Salesforce Flow, Salesforce APIs; Salesforce Administrator certification; authorized to work in the U.S.
Salesforce, Einstein, Salesforce CPQ, Apex, SOQL, Salesforce Flow, Lightning Web Components (LWC), Salesforce APIs, Gearset, Einstein Copilot, Prompt Builder, Salesforce Data Cloud
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3d
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Junior Quantitative Developer & Strategist
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Degree in a technical field required, strong Python and OOP skills, exposure to linear algebra/statistics, ability to prototype production code; legal U.S. work authorization required.
Python
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Junior Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$98k-$165k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
0+ YOEDesign and implement UI/UX and production-quality code; proficiency with TypeScript, React, CSS; familiarity with backend technologies (Node.js, GraphQL, Postgres, Redis); strong visual design and product thinking. Junior applicants: 0–2 years industry experience.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
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3d
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Junior Software Packaging Engineer
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$85k-$110k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
2+ YOE2+ years technical experience, Windows OS familiarity, scripting or OOP experience, Git knowledge, comfortable with AI coding assistants; packaging, installer analysis, and automation skills.
Java, Kotlin, C++, Golang, Postgres, AWS, Git, PowerShell, Zsh, CI/CD, Copilot, Claude
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1w
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Junior AI/ML Engineer
Lisle, Illinois, United States
$76k-$114k/yr OnsiteFull Time
International Motors
International Motors: Manufacturer of commercial trucks, buses, and diesel engines.
0+ YOEBachelor's degree (or pursuing) accepted with no experience OR 2+ years software engineering; experience with Python, Pandas, Scikit-learn, SQL, Databricks, Dataiku, and Azure; foundational ML knowledge and strong teamwork and learning ability.
Python, Pandas, Scikit-learn, SQL, Databricks, Dataiku, Azure
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2w
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Junior FPGA Developer
Chicago, Illinois, United States
$100k-$175k/yr OnsiteFull Time
Edgehog Trading
Edgehog Trading: Proprietary firm specializing in systematic electronic options market-making.
BS/MS in EE/CE or related field, hands-on RTL design in Verilog/SystemVerilog, familiarity with ModelSim/QuestaSim/Vivado/Quartus and synthesis flow, Linux proficiency, Python/C/C++ a plus, eagerness to apply AI tools and learn HFT.
Verilog, SystemVerilog, ModelSim, QuestaSim, Vivado, Quartus, Linux, Python, C, C++
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4d
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Junior Applications Engineer
Downers Grove, Illinois, United States
$44k-$55k/yr HybridFull Time
Roadrunner
Roadrunner: Long-haul less-than-truckload freight transportation and logistics services.
0+ YOEBachelor's degree in CS/Engineering/IT or equivalent experience; 0–2 years supporting applications, systems administration or technical support; strong troubleshooting, communication, and documentation skills.
Microsoft Office
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3d
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Junior Systems Engineer
Downers Grove, Illinois, United States
$80k-$90k/yr OnsiteFull Time
Network Connex
Network Connex: Installs fiber optic and data center network infrastructure.
1+ YOEAssociate or Bachelor's in CS/IT or equivalent experience, 1+ years system/network/admin experience, familiarity with virtualization, scripting, cloud (Azure), and security; relevant Linux/Microsoft certifications a plus.
Microsoft Azure
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4d
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Junior Applications Engineer
Downers Grove, Illinois, United States
$44k-$55k/yr HybridFull Time
Roadrunner Transportation Systems
Roadrunner Transportation SystemsOTC Markets: RRTS: Nationwide long-haul less-than-truckload freight shipping and logistics services.
0+ YOEBachelor's degree in CS/IT or equivalent experience; 0–2 years supporting applications or systems; strong troubleshooting, communication, and documentation skills; familiarity with Microsoft Office.
Microsoft Office
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Junior Automotive Engineer
Colchester or Yonkers or Washington or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$77k-$79k/yr OnsiteFull Time
Consumer Reports
Consumer Reports: Tests products and publishes ratings for consumer advocacy.
Bachelor's in engineering or related field preferred; up to two years automotive or vehicle-testing experience preferred; valid driver’s license; proficiency with Microsoft Office (Excel, PowerPoint) and Google Docs; strong communication and organizational skills; outdoor testing capability.
Microsoft Office, Microsoft Excel, Microsoft PowerPoint, Google Docs
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