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513 senior software engineer python jobs at 245 companies in Illinois

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
Help us #BeatIndeed & #BeatLinkedIn
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
Help us #BeatIndeed & #BeatLinkedIn
3w
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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
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1w
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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
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1mo
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Senior Software Engineer
Chicago, Illinois, United States
$89k-$165k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
5+ YOE5-8 years in software engineering; large-scale data engineering, distributed systems; Databricks, AWS, Python, PySpark; SQL/NoSQL; CI/CD; IaC (Terraform/Ansible).
Databricks, Python, PySpark, Apache Spark, AWS, S3, Lambda, API Gateway, EventBridge, Kafka, SQL Server, MongoDB, Jenkins, GitHub, GitLab, Bitbucket, Terraform, Ansible
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2w
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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
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3mo
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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
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1mo
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Senior Software Engineer
Chicago, Illinois, United States
$89k-$165k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
5+ YOE5-8 years of software engineering in data engineering and distributed systems; AWS Databricks, Python, Spark; CI/CD; IaC; AI/Generative AI exposure; cloud-native data platforms.
Databricks, Python, PySpark, Apache Spark, AWS, S3, Lambda, API Gateway, EventBridge, Kafka, SQL Server, MongoDB, Jenkins, GitHub/GitLab, Bitbucket, Terraform, Ansible
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2mo
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Senior Software Engineer
Chicago, Illinois, United States
$153k/yr OnsiteFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides financial data, investment research, and asset management services.
5+ YOEBachelor's or Master’s in Computer Science or related field with years of relevant software engineering experience; 5 years with Bachelor's or 3 years with Master's; strong Python and cloud skills.
Python, FastAPI, Flask, REST, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, QlikView, Pandas, Plotly, Matplotlib, AWS, S3, RDS, Lambda, GraphQL, Celery, Redis, SQS, Git, OpenAI, Anthropic, MistralAI
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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
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2mo
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Senior Software Engineer
Boston or Chicago or Dallas or San Francisco
$120k-$150k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
7+ YOE7+ years in full stack software engineering; Python and Node.js; API/microservices experience; front-end frameworks; cloud (Azure/AWS/GCP); AI/RAG knowledge a plus; CI/CD and testing.
Python, Node.js, React, Angular, Docker, Kubernetes, Git, GitHub, Azure DevOps, SQL Server, CosmosDB
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2mo
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Senior Software Engineer, OS Ecosystem
Chicago, Illinois, United States
$110k-$160k/yr OnsiteFull Time
Tempus AI
Tempus AINASDAQ: TEM: Builds a data platform for AI-powered precision medicine diagnostics.
5+ YOE5+ years in software engineering; focus on platform/data engineering; backend services in TypeScript/Python; cloud experience (GCP).
TypeScript, Python, Google Cloud, BigQuery, Cloud Spanner, GCS
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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
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3mo
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Senior Software Engineer
Lisle, Illinois, United States
$92k-$138k/yr OnsiteFull Time
International Motors
International MotorsXETRA: 8TRA: Manufacturer of commercial trucks, buses, and heavy-duty engines.
3+ YOEBachelor's or Master's in software engineering with related experience; 3+ years if no degree; strong coding and cloud skills.
TypeScript, Python, Java, C#, Ruby, React, Angular, Vue, Azure, AWS, GCP, Terraform, SQL
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2mo
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Senior Software Engineer - Product
New York or Chicago
$170k-$190k/yr HybridFull Time
ElectronX
ElectronX: Operates a regulated electricity derivatives exchange market.
5+ YOE5+ years full-stack software engineering; strong backend in Python/Go; strong frontend in TypeScript/React; APIs, distributed systems, databases; security and compliance awareness; Bachelor’s degree
Python, Go, TypeScript, React, PostgreSQL, MySQL, Git, Docker, Kubernetes, Terraform
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2mo
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Senior Software Engineer- Machine Control Systems
Hazel Crest, Illinois, United States
$110k-$125k/yr OnsiteFull Time
Lanco
Lanco: Manufactures and services heavy lifting and material handling equipment.
10+ YOESenior software engineer with full-stack focus, real-time IoT, hardware integration, and heavy machinery experience.
C/C++, Python, MATLAB/Simulink, EtherCAT, CAN bus, Modbus, Ethernet/IP
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1mo
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Python Developer - 6249754
New York City or Cleveland or California or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New Jersey or New York or Virginia or Washington
$22-$72/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOEMinimum 5 years experience, advanced Python proficiency, Associates degree required (Bachelor's preferred). Preferred experience with Oracle NoSQL, MongoDB, React.js, application remediation and engineering support.
Python, Oracle NoSQL Database, MongoDB, React.js
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1mo
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Senior Software Engineer
Chicago, Illinois, United States
OnsiteFull Time
TransMarket Group
TransMarket Group: A global proprietary trading firm utilizing automated technology.
3+ YOEExperience in software engineering; low-latency C++ at major exchanges; Python/Bash; Linux; multithreading; IPC; SQL; strong communication skills.
C++, Python, Bash, Linux, SQL, Gitlab CI/CD, Solarflare network stack, multithreading, IPC
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2mo
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Senior Software Engineer- Machine Control Systems
Hazel Crest, Illinois, United States
$110k-$125k/yr OnsiteFull Time
The Lanco Group
The Lanco Group: Manufactures specialized heavy lifting and material handling equipment.
10+ YOESenior software development engineer with 10+ years in industrial automation, real-time data processing, full-stack development, machine control, and cross-disciplinary collaboration.
C/C++, Python, MATLAB/Simulink, EtherCAT, CAN bus, Modbus, Ethernet/IP
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1mo
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Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
Solar Landscape
Solar Landscape: Develops and operates commercial rooftop solar energy projects.
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
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2mo
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Senior Software Engineer
Chicago, Illinois, United States
$153k/yr RemoteFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides independent investment research, financial data, and management services.
5+ YOERequires advanced Python development, relational/vector databases, cloud services, and AI/ML concepts with REST APIs and CI/CD.
Python, FastAPI, Flask, REST API, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, Pandas, Plotly, Matplotlib, AWS, S3, RDS, API Gateway, Lambda, Redis, SQS, Celery, Git, CI/CD, GraphQL, OpenAI, Anthropic, MistralAI, UML
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Senior Software Engineer
San Mateo or Arizona or California or Colorado or Florida or Georgia or Illinois or Nevada or North Carolina or Oregon or Texas or Utah or Washington
$160k-$180k/yr RemoteFull Time
VyncaCare
VyncaCare: Offers palliative care services and advance care planning technology.
5+ YOE5-7 years software engineering, Bachelor's in Computer Science or related (preferred), proficiency in Python and Java, experience with event-driven architectures, cloud (AWS), Kubernetes, real-time data pipelines, and healthcare data standards.
Apache Kafka, Airflow, Flink, DataDog, Kibana, Kafka Streams, Spark Streaming, Flask, FastAPI, Spring Boot, AWS, Kubernetes, Kinesis, Python, Java, Redshift, BigQuery, Snowflake, DynamoDB, FHIR, CCDA, HL7 V2/V3, DICOM
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