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Junior Software Engineer Python Jobs in Illinois, United States

110+ junior software engineer python jobs from 99 companies hiring in Illinois, United States.

All jobs in Illinois, United StatesJunior Software Engineer Python Jobs in United States
Cities:Chicago·Aurora·Rockford·Joliet·Naperville·Springfield·Peoria·North Peoria·Elgin·Waukegan·West Town·Champaign·Near North Side·Cicero·Belmont Cragin·Bloomington·Arlington Heights·Evanston·Schaumburg·Bolingbrook
117 jobs- Illinois
1mo
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Junior Software Engineer
Chicago, Illinois, United States
$80k-$130k/yr OnsiteFull Time
Geneva Trading
Geneva Trading: Global proprietary trading firm specializing in listed derivatives markets.
BS/MS in Computer Science/Engineering; strong OS and systems programming; proficient in C++ and Python; deep knowledge of Linux internals; collaborate with Traders and Quants.
C++, Python, Linux, Operating Systems, Kernel Bypass, CPU affinity, Memory management
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2mo
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Junior Software Engineer – Scientific Computing (C++)
United States
$80k-$120k/yr RemoteFull Time
Axle Informatics
Axle Informatics: Provides bioscience and IT solutions for biomedical research.
1+ YOE1–3 years software development; strong C++ skills; experience with LLM-based tools; Linux experience; Python scripting; collaborative, fast-moving environment.
C++, Linux, Python, LLM tools, GitHub Copilot, Claude, GPT-4, OpenAI, Cursor
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2w
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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 experience in C++ and Python; strong math/finance knowledge; onsite only; excellent communication.
C++, Python, Linux
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14h
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Health Python Programmer - Junior
United States
$70k-$104k/yr RemoteFull Time
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
2+ YOEBachelor's in CS/Software Engineering; 2+ years Python; SQL/NoSQL; Git; Agile; unit/integration testing.
PySpark, Pandas, NumPy, Polars, SQL, NoSQL, Git, Snowflake
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6d
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Junior Quantitative Developer
New York or Chicago
$125k-$185k/yr OnsiteFull Time
Harbor Capital Advisors
Harbor Capital Advisors: Provides active asset management and fund administration services.
0+ YOEBachelor’s degree in a quantitative/technical field; 0–3 years software/quantitative experience; strong Python; SQL/PostgreSQL; production engineering; interest in financial markets.
Python, SQL, PostgreSQL, Git, CI/CD, Data pipelines, ETL
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2w
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Junior AI Developer
United States
RemotePart Time
Future Technologies
Future Technologies: Provides technical engineering and mission support for defense systems.
Part-time junior AI developer with Python/C++. Knowledge of AWS ML services and basic ML concepts; eager to learn low-level AI optimization.
Python, C/C++, AWS, SageMaker, EC2, EKS, Lambda, Bedrock, S3, CUDA, AWS Neuron, CloudWatch, X-Ray, PyTorch, TensorFlow, JAX
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1w
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Software Engineer (Remote)
United States or United States
$50k-$130k/yr RemoteFull Time
The Home Depot
The Home DepotNYSE: HD: Retailer of home improvement products, building materials, and tools.
1+ YOESoftware Engineer with remote work, strong SQL, Python, BI tools, ETL, and ITIL familiarity; 1 year experience; US work authorized.
SQL, Python, Tableau, SSRS, JIRA, Git, ETL, Google BigQuery, Google Dataform
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1mo
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Software Engineer (AI Platform)
United States
RemoteFull Time
Conversica
Conversica: Provides AI virtual assistants to automate business conversations.
Backend-focused software engineer with Python experience; knowledge of APIs/distributed systems; interest in AI/ML; problem-solving mindset.
Python, Backend web frameworks and APIs, AWS, PostgreSQL, LLMs, Cloud infrastructure
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3d
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Software Engineer
Boston or United States
$108k-$192k/yr RemoteFull Time
AcuityMD
AcuityMD: Commercial intelligence platform for the medical technology industry.
1+ YOEBachelor's degree in CS/Software Eng or related field plus 1 year of experience; skills include JavaScript, TypeScript, React, Node.js, Python, Mongo, data analytics, UX analytics, and leading projects.
JavaScript, TypeScript, React, Node.js, Python, MongoDB, Data Analytics Tools, UX Analytics
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1mo
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2026 Summer Intern - Software Engineer
Chicago, Illinois, United States
$47/hr HybridInternship, Temporary
CIBC
CIBCToronto Stock Exchange: CM: Provides personal, commercial, and investment banking and wealth management.
0+ YOEJunior or senior majoring in CS/IT/Software Engineering; expected graduation Dec 2026–Jun 2027; SDLC, Oracle/SQL, batch processing, firewalls, FTP/SFTP knowledge; Python; AI knowledge is a plus; strong teamwork and communication.
Python, Oracle, SQL, FTP/SFTP, Firewalls, Microsoft Office, Excel, PowerPoint
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5d
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Software Engineer
Champaign, Illinois, United States
$80k-$110k/yr HybridFull Time
PAR Technology
PAR TechnologyNYSE: PAR: Provides unified software and hardware for restaurant operations.
0+ YOEBachelor’s degree in CS or Computer Engineering; 0-2 years of experience; strong CS fundamentals; experience with Java or Python; SQL; AWS; Snowflake; AI-assisted development tools.
SQL, AWS, Snowflake, Java, Python
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3w
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Graduate Software Engineer
United States
$76k-$95k/yr RemoteFull Time
LetsGetChecked
LetsGetChecked: Provides at-home health testing and virtual clinical care services.
Entry-level software engineer with bachelor’s in CS/SE, strong problem-solving, learning mindset, good communicator; familiar with Python/C#/JavaScript; observability tools and cloud platforms a plus.
Python, C#, JavaScript, Splunk, Datadog, AWS, Azure, GCP
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4d
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Software Developer - Summer Internship 2026
Bensenville, Illinois, United States
OnsiteTemporary, Internship
Al Warren Oil Company
Al Warren Oil Company: Distributes petroleum fuels, lubricants, and renewable energy products.
Current student or recent graduate in CS/Software Engineering; experience with JavaScript/Python; SQL/NoSQL databases; cloud familiarity; team player.
JavaScript, Python, SQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud, APIs, Git
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1w
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Associate Software Engineer
United States
$65k-$87k/yr RemoteFull Time
Wiland
Wiland: Provides predictive audience intelligence and data-driven marketing analytics solutions.
1+ YOEBachelor's in CS or related field or equivalent experience; 1+ years in software development; 1+ years in consultative/training roles; experience with NodeJS, JavaScript, PHP, MySQL/MariaDB, Linux, Python; familiarity with Agile; Direct/Digital Marketing experience a plus
NodeJS, JavaScript, PHP, RDBMS/MySQL/MariaDB, Linux, Python
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1mo
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Software Engineer Intern
United States
$18/hr RemotePart Time, Internship
Pitch Aeronautics
Pitch Aeronautics: Designs drones and sensors for utility power line maintenance.
Pursuing a Bachelor’s degree in Computer Science, Software Engineering, or related field; front-end (React/Angular); back-end (Python/Java/Node.js); AWS experience; Git; strong problem solving and communication; US citizen or lawful permanent resident due to ITAR.
React, Angular, Python, Java, Node.js, AWS, Git, REST APIs
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4d
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Senior Software Engineer
United States
RemoteFull Time
Microsoft
Microsoft: Provides software, cloud computing, and hardware technology products.
2+ YOEBachelor's in CS or related field and 2+ years engineering with C/C++/C#/Java/JavaScript/Python; ability to pass security screenings; on-call; up to 25% travel.
Azure, Azure Portal, Visual Studio, C, C++, C#, Java, JavaScript, Python
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1w
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Software Engineer
United States
$85k-$178k/yr RemoteFull Time
Indeed
Indeed: Online employment platform for job seekers and employers.
Develop, test, and maintain AI gateway/guardrails features; cloud infra familiarity; Node.js, Python, or TypeScript; degree in CS/CE/EE/Math; interest in LLM/AI systems.
AWS, GCP, Azure, Node.js, Python, TypeScript
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2w
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Software Engineer
United States
$74k-$102k/yr RemoteFull Time
Trimble
TrimbleNASDAQ: TRMB: Provides hardware and software for precision positioning and modeling.
0+ YOEBS in CS or related field; 0-5 years; strong coding; OO/SOLID; languages: C++, C#, Python, Java, JavaScript, or Go; AWS; problem solving; agile experience.
C++, C#, Python, Java, JavaScript, Golang, AWS
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1mo
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Software Engineer, Early Career
Chicago or New York
$150k-$200k/yr OnsiteFull Time
Aquatic Capital Management
Aquatic Capital Management: Quantitative investment manager developing proprietary systematic trading strategies.
0+ YOEBachelor's in CS/Software Eng; 0-3 years experience; Python or C++; knowledge of event-driven architectures and distributed systems; strong quantitative skills preferred.
Python, C++
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3w
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Software Developer I
United States
RemoteFull Time
ITA International
ITA International: Provides professional services and data analytics for defense operations.
2+ YOE2+ years software development experience; strong Python/Java; capable of writing unit tests and collaborating with teams.
Python, Java, Git
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2d
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Software Engineer - Data
Chicago or New York
$175k-$225k/yr HybridFull Time
IMC
IMC: Global trading firm providing liquidity to financial markets.
1+ YOEBachelor's degree in Computer Science/Engineering or related field; 1 year of relevant experience; Java/C/C++, Python; Kafka, Spark/Flink; Kubernetes/Docker; Unix scripting; data handling with Big Data backends; monitoring tools; code reviews; collaborative environment.
Java, C/C++, Python, Kafka, Databricks, S3, HDFS, Apache Spark, Apache Flink, Kubernetes, Docker, Prometheus, Grafana, Unix scripting
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1mo
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Junior Quantitative Latency Engineer
Chicago or Austin or London or New York City or Singapore
$200k-$300k/yr HybridFull Time
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
0+ YOEProficiency in Python and Pandas; strong data analytics; technical degree or equivalent; quick learner; cross-functional collaboration.
Python, Pandas, Data Analysis Tools
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2mo
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Junior QA Engineer
United States
RemoteFull Time
Teak
Teak: Provides refund protection and checkout flexibility for live events.
0+ YOEEntry-level QA role requiring basic testing knowledge, strong documentation, and willingness to learn.
Playwright, Python, Typescript, JIRA, TestRail
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1w
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Software Engineer I
United States
RemoteFull Time
EmpiRx Health
EmpiRx Health: Value-based pharmacy benefit management and population health services.
2+ YOEEntry-level software engineer; designs, develops, tests, maintains software across front-end, back-end, and cloud platforms; requires a bachelor’s degree or 2+ years of experience; familiar with modern languages, frameworks, cloud, and SQL.
Java, C#, Python, React, Angular, .NET Core, Azure, AWS, GCP, SQL, REST
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4d
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Software Engineer Internship (Technical Operations Team) - Summer 2026
Chicago, Illinois, United States
$25/hr OnsiteInternship
Gelber Group
Gelber Group: Executes electronic trades using proprietary capital globally.
0+ YOEPursuing a BS/MS in CS or related field; junior or higher; strong Python; web development experience; good communication with non-engineering stakeholders.
Python, JavaScript, TypeScript, C#
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1w
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2026 Summer Intern - Software Engineer
Chicago, Illinois, United States
$47/hr HybridTemporary
CIBC
CIBCToronto Stock Exchange: CM: Providing personal and business banking and wealth management services.
0+ YOEJunior or senior majoring in CS/IT/SE or related field; graduation 2026-2027; knowledge of SDLC, databases (Oracle/SQL), and security basics; Python experience; adaptable and team oriented.
C++, Python, Oracle, SQL, Excel, Office, STL
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1mo
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Embedded Software Engineer I
Schaumburg, Illinois, United States
$71k-$100k/yr HybridFull Time
Life Fitness
Life Fitness: Designs and manufactures commercial and home fitness equipment.
BS in Computer Science/Software/Computer Engineering; C/C++; embedded Linux with Yocto; Git; unit tests with Google Test/Mock; kernel interfaces; Agile/Scrum; strong teamwork.
C, C++, Embedded Linux, Yocto, Git, Google Test/Mock, Linux kernel drivers, Jira, Jenkins, Python, Shell
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4d
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Associate Software Engineer
United States
$68k-$106k/yr RemoteFull Time
Highmark Health
Highmark Health: Provides health insurance and integrated medical care services.
1+ YOE1 year of experience in algorithms and scalable systems; knowledge of Java, Python, JavaScript, React/Angular/NodeJS; REST/JSON; Linux; SQL; cloud (GCP/AWS).
Java, Python, JavaScript, React, Angular, NodeJS, REST, JSON, Linux, SQL, Google Cloud Platform, Amazon Web Services
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6d
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Software Development Engineer Intern
Belvidere, Illinois, United States
$25-$35/hr OnsiteInternship
Anritsu
AnritsuTokyo Stock Exchange: 6754: Global provider of communications test and measurement solutions
0+ YOEPursuing BS/MS in Computer Science/Computer Engineering; strong communication; analytical; OOAD knowledge; basic Python/Java/C++.
Python, Java, C++
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2w
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Jr Software Developer
O’Fallon, Illinois, United States
OnsiteFull Time
Chenega Corporation
Chenega Corporation: Provides professional government, defense, and facility support services.
2+ YOEBS or MS in a tech field; 2+ years experience; TS/SCI clearance; strong AWS, Python, and DevOps skills.
AWS, Python, React, C#, ASP.NET Core Web API, Node.js, TypeScript, PostgreSQL, Docker, Kubernetes, Linux, Bash, OpenAPI/Swagger, GitLab DevOps, ESRI, RDS
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2w
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Software Engineer Intern - Product & Backend
United States
RemoteInternship
Good At Numbers
Good At Numbers: Automated decision intelligence platform for business operations.
3+ YOE3+ years software development experience preferred; backend APIs, databases; Python/JavaScript/TypeScript; testing, code review, maintainable design; strong communication.
Python, JavaScript, TypeScript, React, Next.js, FastAPI, Django, Node.js, PostgreSQL, APIs, Testing
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2w
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Web Software Developer
United States
RemoteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
Active Secret Clearance; AWS native infrastructure; EKS; Kubernetes; Docker; Node.js; Python; Django; React; scalable web applications.
AWS, EKS, Docker, Kubernetes, Node.js, Python, Django, React
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1w
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Software Engineer 1, Dev Accelerator
Canada or United States
RemoteFull Time
Abnormal AI
Abnormal AI: Protects enterprises from email attacks using behavioral artificial intelligence.
1+ YOE1+ years of professional development or 2+ years of strong open source contributions; strong fundamentals; Python or Go; CI/CD; able to work with AI tools.
Python, Go, CI/CD, Git, gRPC, Protobuf
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3w
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Software Engineer I - Backend
United States
RemoteFull Time
CDW
CDWNasdaq: CDW: Sells and manages IT products and services for organizations.
0+ YOEDesign and develop web apps using Python; REST/GraphQL APIs; PostgreSQL/Redis/ElasticSearch; unit/integration tests; CI/CD with GitLab, Kubernetes/EKS; AWS; strong collaboration.
Python, REST, GraphQL, PostgreSQL, Redis, ElasticSearch, GitLab, Kubernetes, AWS
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1mo
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Software Engineer - Solutions
San Francisco or Illinois or New York or West Virginia
$70k-$110k/yr HybridFull Time
Primefocus Health
Primefocus Health: Provides a platform for customized remote patient management solutions.
0+ YOEBachelor's degree in a technical field; hands-on web or mobile development; proficiency in at least one language; knowledge of databases and web tech; HIPAA awareness preferred.
Java, Python, C++, JavaScript, TypeScript, Git
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2mo
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Associate Software Engineer, Credit Tech
Chicago, Illinois, United States
$71k-$120k/yr HybridFull Time
Morningstar
MorningstarNasdaqGS: MORN: Provides independent investment research and financial data services.
0+ YOE0–2 years of software development experience; bachelor’s degree in computer science or related field; backend and cloud experience with AWS; REST APIs, Python, SQL/NoSQL; AWS services (Bedrock, Lambda, SQS, SNS, API Gateway, S3, RDS); frontend exposure (Vue.js) a plus; strong problem solving and Agile/Scrum familiarity.
AWS Bedrock, AWS Lambda, AWS SQS, AWS SNS, API Gateway, S3, RDS, REST APIs, Python, Vue.js, SQL, NoSQL, Git, AI-assisted development tools
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2mo
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Intern- Software Developer
United States
RemoteFull Time
Cisive
Cisive: Provides background screening and identity verification services for enterprises.
High school diploma or equivalent; shell scripting; interest in DevOps; Docker; cloud familiarity (Azure/AWS); Git; problem-solving; communication; ability to collaborate remotely.
Azure, AWS, Docker, Git, Java, Python, TypeScript, .NET, Angular, PowerShell, YAML, Azure DevOps
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6d
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Software Engineer Intern – AI Applications
United States
RemoteInternship
Cambium Learning Group
Cambium Learning Group: Provides digital education tools and instructional software for PreK-12.
Pursuing a postgraduate degree in CS/DS/SE/AI-ML; experience with Python/JavaScript/TypeScript/C#; web APIs/backend familiarity; interest in Generative AI; strong problem-solving and teamwork.
Python, JavaScript, TypeScript, C#, APIs, Backend
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3w
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Software Engineer I, Backend (Purchasing Power Experience)
United States or Canada
$115k-$170k/yr RemoteFull Time
Affirm
AffirmNasdaq: AFRM: Financial platform providing installment loans for consumer purchases.
0+ YOEExperience designing, developing and launching backend systems at scale; proficient in Python or Kotlin; familiar with AWS, MySQL, Kubernetes; strong code quality and collaboration; Bachelor’s degree or equivalent practical experience.
Python, Kotlin, AWS, MySQL, Kubernetes
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4d
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Professional Services Software Engineer
Manila or United States
RemoteFull Time
8x8
8x8NASDAQ: EGHT: Cloud software for business phone systems and contact centers
0+ YOEEnglish fluency; bachelor’s degree; strong Python, PHP, JavaScript; API integration; databases; cloud platforms (AWS/Azure/GCP); NLP/AI/ML experience; customer-facing experience; night shift for PH hire; knowledge of contact center/VoIP is a plus.
Python, PHP, JavaScript, Rest API, AWS, Azure, GCP, NLP, ML, Databases
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HiringCafe market data

Junior Software Engineer Python Jobs market signals in Illinois, United States

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
110+
Hiring companies
99
Fresh sample
69% new in 30d
Salary visibility
60% show pay

Companies appearing in this market

AffirmAquatic Capital ManagementCIBCCisiveGood At NumbersPAR Technology8x8Abnormal AI

Work location mix in visible results

Remote: 28Onsite: 9Hybrid: 8

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