1,205 python software developer jobs at 406 companies in Illinois

2mo
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
IBG Holdings LLC
IBG Holdings LLC: Private holding owning IBG membership interests and Interactive Brokers Group. Class B common stock.
5+ YOE5+ years software engineering experience (Python/C++/Java), 3+ years Python as primary language, experience with Polars/Pandas/NumPy, Linux (1-3 yrs), SQL and large codebases; Bachelor's degree in CS or related.
Python, C++, Java, Polars, Pandas, NumPy, Linux, SQL
2w
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Software Engineer - Python, Business Operations
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
Akuna Capital: Proprietary trading firm providing options-market liquidity through advanced technology, strategic trading, and quantitative research.
3+ YOEBachelor's degree or equivalent experience; 3–5 years software development; Python, SQL, PostgreSQL, REST APIs, integrations, Git, AI/LLM APIs, and independent cross-functional project experience.
Python, SQL, PostgreSQL, Jira, NetSuite, Device42, Bitbucket, MCP (Model Context Protocol), Confluence, REST APIs, Anthropic, OpenAI, Git, Jira/JSM, SuiteScript, SuiteTalk, Atlassian Bitbucket/Git, LLM/AI APIs
2mo
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Python Developer 6254661
Charlotte or Cleveland or California or Colorado or District of Columbia or Illinois or Maryland or Massachusetts or Minnesota or New York or New Jersey or Washington
$24-$72/hr OnsiteFull Time, Contract
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
5+ YOE5+ years Python development, 3+ years Oracle SQL and banking/finance domain experience. Proficiency with React JS, Django/Flask, UNIX/shell scripting, relational databases (Sybase/Oracle), Git/Mercurial/SVN, and strong unit testing and debugging skills. Associate's degree required.
React JS, Python, JS, Django, Flask, UNIX, shell scripting, SQL, Oracle, Sybase, Oracle SQL, ORM libraries, Git, Mercurial, SVN
2w
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Predoctoral Appointee – Python Developer
Lemont, Illinois, United States
$58k-$97k/yr OnsiteFull Time, Temporary
Argonne National Laboratory
Argonne National Laboratory: Federally funded U.S. Department of Energy research laboratory conducting basic and applied science and engineering for national priorities.
Recent or soon-to-be completed master's degree and Python development experience. Requires database, SQL, web automation, testing, communication, problem-solving, and collaborative research skills.
Python, TensorFlow, PyTorch, Claude, ChatGPT, MongoDB, SQLite, XML, JSON, SQL, Selenium, pytest, unittest/pyunit, Matplotlib, MATLAB, Git, SVN, JIRA, NumPy, Pandas, Tkinter, Django, Flask
1mo
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Senior Software Engineer, Treasury (Ruby/Python)
Chicago, Illinois, United States
$175k-$275k/yr OnsiteFull Time
DRW
DRW: Global proprietary trading firm investing across diverse asset classes.
Senior generalist engineer with experience in Python or Ruby, full-stack development, relational data modeling, GitOps/Kubernetes, job orchestration (Airflow/Prefect) and partnering with business stakeholders.
Python, Ruby, FastAPI, Rails, Kubernetes, GitOps, CI/CD, Airflow, Prefect
2mo
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Software Engineer III- Python, Databricks
Jersey City or Chicago
$133k-$185k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services and investment banking firm.
2+ YOEExperience with Python (3+ years preferred), Java (2+ years), big data technologies (2+ years; e.g., AWS, Spark, Kafka, Databricks), SQL, UNIX shell scripting, ETL implementation, data architecture and strong analytical and communication skills.
Python, Databricks, AWS, Spark, Kafka, Java, SQL, UNIX shell scripting, Oracle, SQL Server, MongoDB, AWS Open Search
1mo
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Lead Software Engineer (Python, Scala, Spark, AWS)
Richmond or McLean or Chicago
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
4+ YOEBachelor's degree, 4+ years of professional software engineering experience, and 1+ year of cloud computing experience. Preferred: 7+ years with Java, Scala, Python, or Spark and Agile experience.
Java, Python, SQL, Node, Go, Scala, Spark, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, GCP, RDBMS, NoSQL, Agile
3w
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Senior GenAI/Python Engineer
Chicago, Illinois, United States
$90k-$130k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
8+ YOE5+ years advanced Python development, 1.5+ years production GenAI/LLM experience, FastAPI and async orchestration, vector DB/RAG and SQL knowledge, cloud experience (Azure/AWS/GCP).
Python, typing, pytest, Git, CI/CD, Docker, OpenAI, Azure OpenAI, Anthropic, Bedrock, LangChain, LangGraph, LlamaIndex, Pydantic, JSON schema, embeddings, pgvector, Pinecone, Weaviate, OpenSearch, Snowflake, FastAPI, Flask, Django, SQL, Azure, AWS, GCP, Confluence
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Lead Software Engineer (Python, Scala, Spark, AWS)
Richmond or McLean or Chicago
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
4+ YOEBachelor's degree, 4+ years professional software engineering, 1+ year cloud experience (AWS/Azure/GCP). Experience with Java/Scala/Python/Spark, containerization, distributed microservices, and mentoring/leading teams.
Python, Scala, Spark, AWS, Java, SQL, Node, Go, Docker, Kubernetes
1mo
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Lead Software Engineer (Python, Scala, Spark, AWS)
Richmond or McLean or Chicago
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
4+ YOEBachelor’s degree, 4+ years of professional software engineering experience, and 1+ year of cloud computing experience required. Preferred: advanced experience with Java, Scala, Python, Spark, AWS, open-source frameworks, Agile, and AI tooling.
Java, Python, SQL, Node, Go, Scala, Spark, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, RDBMS, NoSQL, Agile
2mo
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Senior Product Software Engineer (Python)
San Francisco or Chicago or Los Angeles
$160k-$200k/yr HybridFull Time
Tyba
Tyba: Private software providing energy-storage simulation and operations tools to energy developers and operators.
5+ YOE5+ years full-stack engineering experience; strong Python and React; production GraphQL experience; willingness to learn ClojureScript; familiarity with AI-assisted coding tools; strong cross-functional communication.
Python, React, GraphQL, Strawberry, ClojureScript, Cursor, Copilot, Claude Code, Warp Agent Mode, Recharts, ECharts, dbt, Snowflake, Redshift, PyTorch, AWS, PostgreSQL, Fulcro, Tailwind CSS, Clojure, Kotlin
4w
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Team Lead, Python/Django Engineer
Westchester, Illinois, United States
$135k-$140k/yr RemoteFull Time
Follett Corporation
Follett Corporation: Private educational services provider and campus retailer serving college students, faculty, staff, parents, and fans.
7+ YOEBachelor's or equivalent, 7+ years software engineering with deep Python and Django expertise, strong PostgreSQL and enterprise integration experience, CI/CD and cloud proficiency, React familiarity, and excellent communication.
Python, Django, DRF, PostgreSQL, SQS, SNS, Celery, RESTful APIs, Git, CI/CD, Docker, Kubernetes, Azure, AWS, GCP, React, Claude Code, GitHub Copilot, PagerDuty, Datadog, Grafana, Shopify
5d
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Senior Software Engineer
Peoria or Chicago
$113k-$183k/yr OnsiteFull Time
Caterpillar Inc.
Caterpillar Inc.NYSE: CAT: Global manufacturer of construction and mining equipment and engines.
Strong software development and SDLC expertise, Python application development, OOP principles, Git, CI/CD, AWS, Snowflake, software architecture, testing, and AI coding assistant experience.
Python, Git, Jenkins, GitHub Actions, Azure DevOps, AWS, Lambda, Kinesis, EventBridge, CloudWatch, CloudFormation, Dynamo, Fargate, S3, SageMaker, IAM, RDS, Snowflake, GitHub Copilot, Claude Code
3d
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Software Engineer
Westminster or New York or Chicago
$74k-$137k/yr HybridFull Time
Epsilon
Epsilon: Global marketing-data, consumer-analytics, and marketing-technology serving brands.
1+ YOEBachelor's degree in computer science, computer engineering, or related field; 1+ year software development experience with Java or Python; SQL, relational databases, Unix, and shell scripting experience.
Java, Python, SQL, Unix, Unix Shell Scripts, Hadoop, HBase, Spark, Spring, Hibernate, Maven, Angular, HTML, JavaScript, Docker, Kubernetes, AWS, Databricks
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Software Engineer (C++ or Python) – 2027 Grads
New York City or London or Singapore or Austin or Chicago
$300k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: Private quantitative trading firm providing liquidity across global markets and directly to financial-market clients.
BS/MS in CS or related; proficient in C/C++ or Python, strong CS fundamentals, Linux/UNIX knowledge, excellent debugging and problem-solving, eligible for full-time roles in 2027.
C/C++, Python, UNIX, Linux
1mo
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Software Engineer (C++ or Python) – 2027 Grads
Austin or Chicago or London or New York City or Singapore
$300k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: Private quantitative trading firm providing liquidity across global markets and directly to financial-market clients.
Full-time undergraduate or master's student in computer science or a related field, eligible for 2027 full-time roles, with C/C++ or Python experience and strong design, debugging, problem-solving, and computer science fundamentals.
C, C++, Python, UNIX, Linux
1mo
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Senior Software Engineer (Python, Typescript) - Full Stack
Chicago, Illinois, United States
RemoteFull Time
Augintel
Augintel: Private U.S. SaaS providing AI-powered tools to help health and human services professionals analyze case notes.
5+ YOE5+ years experience, strong Python and TypeScript, AWS (ECS, OpenSearch, Lambda, S3), PostgreSQL/SQL, React and NodeJS, experience building scalable data pipelines and working with ML teams.
Python, TypeScript, AWS, ECS, OpenSearch, Lambda, S3, SQL, PostgreSQL, React, NodeJS
3w
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Software Engineer, Wallet
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
Robinhood Crypto
Robinhood CryptoNASDAQ: HOOD: Wholly owned U.S. crypto subsidiary providing retail customers cryptocurrency trading, custody, transfers, and staking.
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Go, Python, Java, EVM blockchains, smart contracts
1mo
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Software Engineer
Chicago, Illinois, United States
$110k-$130k/yr OnsiteFull Time
Supernova Technology
Supernova Technology: Private fintech providing cloud-based securities-based lending software to banks, wealth managers, and financial advisors.
3+ YOE3+ years software development; proficiency in Java and Python; experience with Spring Boot, RESTful APIs, microservices, Docker, Kubernetes, CI/CD, Git, and cloud platforms (AWS/Azure). Strong communication and production ops skills.
Java, Spring Boot, AWS, Python, Git, Docker, Kubernetes, CI/CD, Azure
1w
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Software Engineer
Chicago, Illinois, United States
$173k-$260k/yr HybridFull Time
Stripe
Stripe: Financial infrastructure platform for online businesses and enterprises.
4+ YOEBachelor's degree in computer science, information technology, or related field plus 4 years of software development experience. Requires 4 years with Python, Ruby, Objective-C, C++, scalable systems, distributed systems, and production debugging.
Python, Ruby, Objective-C, C++