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1,234 senior python engineer jobs at 450 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
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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2mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
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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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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
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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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3w
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Senior Market Data Engineer - Python
Chicago or New York
$150k-$225k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
8+ YOEBachelor's in CS/Engineering, 8+ years software engineering focused on market data; proficient in Python, cloud (AWS/GCP/Azure), Kubernetes, Parquet; experience with tick data and timeseries DBs (KDB, OneTick); C++ and Apache Iceberg a plus.
Python, Parquet, Apache Iceberg, KDB, OneTick, Kubernetes, C++, AWS, GCP, Azure
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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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3mo
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Senior Engineer - Pavement Management
Champaign or United States
$140k-$170k/yr HybridFull Time
Applied Pavement Technology
Applied Pavement Technology: Engineering consulting firm specializing in pavement design and evaluation.
10+ YOEBS or MS in Civil Engineering; 10+ years in pavement management; PE license; strong communication; travel flexibility; GIS, SQL, MATLAB, Python experience.
SQL, MATLAB, Python, GIS, Microsoft Office
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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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3w
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Senior Market Data Engineer - Python
Chicago or New York
$150k-$225k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
8+ YOEBachelor's in CS/Engineering, 8+ years software engineering with market data focus, proficient in Python, cloud platforms (AWS/GCP/Azure), Kubernetes; experience with tick data, Parquet required; KDB/OneTick and C++ preferred.
Python, AWS, GCP, Azure, Kubernetes, Parquet, Apache Iceberg, KDB, OneTick, C++
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1mo
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Senior Solutions Engineer
Chicago, Illinois, United States
$100k-$120k/yr HybridFull Time
Retail Insight
Retail Insight: Provides AI-driven analytics software for retail store optimization.
Senior technical leader with experience in data engineering, solution architecture, T-SQL, Python, Databricks, cloud data ecosystems, client engagement, and coaching/mentoring engineers.
T-SQL, Python, Databricks
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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 Embedded Systems Engineer
Chicago, Illinois, United States
$131k-$175k/yr HybridFull Time
Infleqtion
InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.
8+ YOEBachelor's degree in engineering or related field; 8+ years experience; HDL (Verilog/SystemVerilog/VHDL); Linux and scripting (Python, Bash); strong communication and collaboration; software engineering practices; eager to learn.
Verilog, SystemVerilog, VHDL, Linux, Python, Bash, SpinalHDL, Rust, Git, CI/CD
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1mo
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Senior AI Engineer
Plano or Purchase or Chicago
$111k-$185k/yr HybridFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
8+ YOESenior AI Engineer with 8+ years in software lifecycle, ML/AI, and production-grade agent systems; strong Python/Java, distributed systems, and ML Ops experience.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana, Temporal, MEM0, Temporal Agentic Memory, Graph and Vector DBs
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1mo
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Senior Autonomy Engineer
Mossville or Pittsburgh
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
4+ YOESenior Autonomy Engineer with 4+ years robotics experience; localization/filters expertise; proficient in C++, Python; ROS knowledge; bachelor’s, master’s, or PhD in robotics, electrical/computer engineering, or computer science; onsite five days a week; relocation and visa sponsorship available.
C++, Python, ROS, Kalman filtering, Inertial Measurement technology, GNSS
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2mo
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Senior Geotechnical Engineer
Chicago, Illinois, United States
$100k-$153k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
8+ YOEBachelor’s in civil engineering with geotechnical focus; 8+ years geotechnical design; experience with heavy industry projects; strong report writing; travel willingness; excellent communication.
Python, MATLAB, Excel, Geotechnical software
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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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2mo
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Senior FPGA Engineer
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
10+ YOESenior FPGA/ASIC design with Verilog/SystemVerilog; RTL; timing; verification; Python/Bash; strong collaboration; BS in CS/EE; MS a plus.
Verilog, SystemVerilog, VHDL, Python, Bash, RTL
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2mo
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Senior Azure Data Engineer
Springfield, Illinois, United States
RemoteContract
Datamaxis
Datamaxis: Provides IT consulting, data analytics, and strategic staffing services.
5+ YOESenior Azure data engineer with hands-on Azure Data Factory, Databricks/Synapse, and Azure Lakehouse; experience in migration, mentoring, and standards; strong Python/SQL.
Azure Data Factory, Azure Synapse Analytics, Databricks, Delta Lake, Parquet, Azure Databricks, Microsoft Fabric, Azure Data Lake Storage Gen2, Azure Monitor, Log Analytics, KQL, Azure DevOps, Terraform, ARM/Bicep, SSIS, Python, Pandas, PySpark, PowerShell, Bash, Unity Catalog, Snowflake
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2w
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Engineer Senior
Chicago, Illinois, United States
$153k-$154k/yr HybridFull Time
Elevance Health
Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.
5+ YOEBachelor's in IT/CS (or Master's with reduced experience), 5 years development/engineering experience, ETL (DataStage/SSIS/C#/Python), SQL (Sybase/SQL Server/Oracle/MongoDB), EDI (ANSI X12/EZConnect/HL7), HIPAA/data security, analytical experience with large datasets.
ANSI X12, EZConnect, HL7, DataStage, SSIS, C#, Python, SQL, Sybase, SQL Server, Oracle, MongoDB
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