663 python software developer jobs at 267 companies in Lombard, IL

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1w
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Python Software Engineer - Temporary to Perm
Chicago, Illinois, United States
$70-$90/hr OnsiteContract
Alvarez & Marsal
Alvarez & Marsal: Provides management consulting, restructuring, and business advisory services.
7+ YOE7+ years backend/full-stack development experience, strong Python skills, Azure Functions and event-driven systems experience, database integration, microservices and cloud security familiarity, practical LLM/AI tooling exposure.
Python, Azure Functions, Azure Event Grid, Durable Functions, API Management, SQL, NoSQL, Azure SDKs, Azure Cognitive Services, LangChain, AutoGen, Semantic Kernel
3mo
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Python Developer IV
Webster or Chicago or St Petersburg or Phoenix or Tempe
$111k-$175k/yr HybridFull Time
Paychex
PaychexNASDAQ: PAYX: Provider of integrated payroll, HR, and benefits outsourcing solutions.
5+ YOE5+ years backend software development; Python/Django; AWS; REST APIs; PostgreSQL/MySQL; Docker; CI/CD.
Python, Django, REST, Celery, Redis, AWS, EC2, S3, RDS, Lambda, CloudWatch, PostgreSQL, MySQL, Docker, Kubernetes, Jenkins, GitHub Actions
2w
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
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
2mo
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Python Developer (Airlines)
Chicago, Illinois, United States
HybridContract
Appex Innovation
Appex Innovation: Provides AI-driven software solutions for healthcare revenue and management.
10+ YOERobust Python development experience, AWS, Docker, Linux/Windows, version control with Git; 10+ years preferred for contract role.
Python, Pandas, AWS, Docker, Linux, Windows, Git
3w
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Software Engineer - Python, Crypto
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Production-level Python development for distributed, real-time systems; experience with Kafka, Docker, and Linux infra; familiarity with C++ and trading/crypto systems; university degree in a technical field or equivalent experience preferred.
Python, C++, Kafka, Docker, Linux
2mo
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Software Engineer (Backend, Python) - Content Understanding
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years in software engineering; Python/Scala/Ruby; distributed systems; AWS; Terraform; Spark/Databricks; CS degree.
Python, Scala, Ruby, Airflow, Databricks, Spark, AWS, Terraform
2mo
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Senior Software Engineer, Finance (Clojure/Python)
Chicago, Illinois, United States
$130k-$225k/yr RemoteFull Time
DRW
DRW: Technology-driven principal trading firm operating in global financial markets
5+ YOE5+ years of professional software development; strong in Clojure or Python; finance/accounting domain experience; system design and production infra experience.
Kubernetes, Docker, CI/CD, Airflow, Oracle, Kafka
1w
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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: Financial services offering credit cards, banking, and loans.
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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Senior Product Software Engineer (Python)
San Francisco or Chicago or Los Angeles
$160k-$200k/yr HybridFull Time
Tyba
Tyba: AI software for modeling and operating renewable energy projects.
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
3d
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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: A quantitative firm using technology to trade global financial markets.
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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Senior Software Engineer
Chicago or United States
$113k-$183k/yr RemoteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
1+ YOEMaster's in Computer Science or related and 1 year experience developing backend/service-layer software. Requires Java, Python, PostgreSQL, MongoDB, TDD practices, and Agile development experience.
Java, PostgreSQL, MongoDB, Python
1mo
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Software Engineer
Chicago, Illinois, United States
$74k-$137k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
3+ YOE3+ years software development in distributed environments; proficient in Scala, Python or Java; experience with Apache Spark, Hadoop, Hive; experience with cloud platforms (AWS, Azure, GCP, Databricks); BA/BS in CS or related field preferred.
Scala, Python, Java, Apache Spark, Hadoop, Hive, Databricks, AWS, Azure, GCP, Kubernetes, Docker, Airflow
3w
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Python Engineer (Snowflake)- 2 Days Onsite - Chicago, IL - FreeWheel
Chicago, Illinois, United States
$110k-$165k/yr HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
3+ YOE3+ years software engineering experience preferred; proficient in Python and Snowflake; experience building data pipelines/ETL, distributed systems, and CI/CD; strong communication and problem-solving skills; ability to work variable hours including nights and weekends.
Python, Snowflake, Data Warehousing Systems
2d
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Senior Software Engineer - Python/Typescript
Chicago or Raleigh or Royal Oak or New York City or United States
$160k-$190k/yr HybridFull Time
SpotOn
SpotOn: Provides point-of-sale and business management software for restaurants.
7+ YOE7+ years software engineering experience, strong Python and TypeScript/JavaScript, production AI/LLM and agent experience, full-stack development, stakeholder collaboration, and production-grade reliability and observability.
Python, TypeScript, JavaScript, Claude Code, LangGraph, CrewAI, AutoGen, GitHub Copilot, Cursor, Windsurf, Salesforce, Apex, Lightning, AWS, GCP, Azure, GitHub, GitHub Actions, Jira, Slack
1w
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Senior Software Engineer
Westchester, Illinois, United States
$99k-$124k/yr RemoteFull Time
Ritchie Bros.
Ritchie Bros.NYSE: RBA: Conducts global auctions for heavy equipment and industrial assets.
10+ YOEBachelor's in CS/IT, 10+ years software development with backend Java experience; proficiency in Python/Go, Spring Framework, cloud platforms, containerization, relational databases, CI/CD, and strong communication.
Java, Python, Go, Spring Framework, Spring Boot, Spring Data, Spring Security, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, React, Angular
1mo
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Senior Software Engineer
Chicago or San Diego
$163k-$199k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
5+ YOE5+ years software development; expert in Python, Node.js, and React; experience with IaC (Terraform), cloud platforms (AWS, Microsoft Azure, GCP), containerization, CI/CD, databases, and AI-assisted development tools; Bachelor's or equivalent; US work authorization required.
Python, Node.js, Express, NestJS, React, Redux, Terraform, CloudFormation, Ansible, AWS, Microsoft Azure, GCP, GitHub Copilot, Cursor, Amazon CodeWhisperer, OpenAI Codex, Docker, Kubernetes, ECS, GraphQL, PostgreSQL, MongoDB, Jenkins, GitLab CI, GitHub Actions, Microsoft Azure DevOps, Git
1mo
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Quantitative Developer - Python
Chicago, Illinois, United States
$200k-$225k/yr OnsiteFull Time
IMC
IMC: Global trading firm providing liquidity to financial markets.
5+ YOE3-7 years of quantitative software development; strong Python experience; knowledge of time series, backtesting, and ML for systematic strategies; low-latency systems preferred; ability to work across research and engineering.
Python, Pandas, Polars, Time Series, Backtesting, Machine Learning
1mo
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Software Developer
Chicago, Illinois, United States
$135k-$232k/yr OnsiteFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
7+ YOEBachelor's or Master's in CS/SE/IT; 7+ years programming (Python, C++, Java, JavaScript, SQL); experience with source control, CI/CD, industrial software stacks, cloud deployment, mission-critical systems; willing to travel 20%; authorized to work in the US without sponsorship.
Python, C++, Java, JavaScript, SQL, WinCC OA, UNS, MTP, Edge, InsightHub, CI/CD, APIs, SDKs, AI/ML
1w
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Software Engineer
Des Plaines, Illinois, United States
$90k-$150k/yr OnsiteFull Time
Kranze Technology Solutions
Kranze Technology SolutionsNYSE: SPXC: Develops countermeasure systems and networking solutions for military aircraft.
Bachelor's or Master's degree preferred; proficiency in Python, OOP, Linux (RHEL a plus); hardware/software troubleshooting; ability to obtain US security clearance (US citizenship required).
Python, Tkinter, JIRA, Confluence, BitBucket, C++, JavaScript, Linux, RHEL
1w
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Senior Software Engineer
Chicago, Illinois, United States
$140k-$160k/yr OnsiteFull Time
Supernova Technology
Supernova Technology: Provides cloud-based digital software for securities-based lending.
5+ YOE2+ Mgmt5+ years software development experience, 2+ years people leadership; strong Java and Python skills; experience with Spring Boot, ETL/data pipelines, Docker, CI/CD, production operations, and client-facing delivery.
Java, Python, Spring Boot, Docker, AWS, Azure, CI/CD

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