250 senior python developer jobs at 101 companies in Union, IL
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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
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
5d
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Team Lead, Python/Django Engineer
Westchester, Illinois, United States
$135k-$140k/yr RemoteFull Time
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
2mo
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Senior Data Engineer
Bolingbrook, Illinois, United States
$103k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science or related field; 5 years in development with GCP, Databricks; experience with data pipelines, SQL/NoSQL, Java/Python; strong data warehousing and ETL skills.
BigQuery, Databricks, Spark, Kafka Streams, Jenkins, Docker, GitHub, Bitbucket, Unix/Linux, SQL, NoSQL, GCS, Dataflow, Airflow, Cloud Composer, Python, Java
3w
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Senior Developer - IT
Arlington Heights, Illinois, United States
$112k-$147k/yr OnsiteFull Time
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
AWS Lambda, AWS Step Functions, Amazon CloudWatch, Amazon CloudFront, Amazon Cognito, Amazon Route 53, Amazon DynamoDB, Amazon ECS, Amazon EC2, Amazon S3, Amazon RDS, Amazon RDS - Aurora Postgres, Active MQ, Secrets Manager, Parameter Store, Amazon EFS, Git, Python, Bash, PowerShell, Node.js, Java, Springboot, Angular 15, Github, Harness, Artifactory, Kubernetes, Microsoft .Net Framework, Microsoft .Net Core, SQL, NoSQL, JSON, XML, OAuth, Claude, Agentic AI, CoPilot, AWS, Azure, GCP, Jira, Confluence, Microsoft Azure DevOps
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Senior Software Engineer
Westchester, Illinois, United States
$99k-$124k/yr RemoteFull Time
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
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Senior Data Engineer
Chicago or Westmont
$140k-$180k/yr OnsiteFull Time
4+ YOE4+ years software or data engineering; end-to-end data and AI systems; AI agents; MCP; LangChain/LangGraph; Python; cloud; strong communication.
LangChain, LangGraph, AutoGen, CrewAI, Semantic Kernel, MCP, Python, AWS, Azure, GCP, SQL, NoSQL, Docker, Kubernetes, dbt, GitHub Actions
2mo
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Senior Cyber Embedded Software Engineer
Schaumburg, Illinois, United States
OnsiteAll Commitments Available
Embedded software, cybersecurity, and reverse engineering experience; strong C/C++, Python; Linux; BS/MS in CS/CE/Software; US citizenship with ability to obtain clearance; TS/SCI preferred.
Ghidra, IDA Pro, Radare2, GDB, JTAG, Wireshark, ELF, PE, IP, TCP, UDP, TLS, SIP, SRTP, ARM, MIPS, PPC, x86, C, C++, Python, Linux
2mo
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Senior AI Engineer
Chicago or Miami or New York City or Oakbrook Terrace or Nashville or South Bend or Tampa or Atlanta or Boston or Dallas or Houston or Grand Rapids or Austin or Charlotte or Indianapolis
$74k-$148k/yr OnsiteFull Time
4+ YOE4–6 years AI/ML engineering; strong Python, cloud, distributed systems; deep learning frameworks; VMs and containerization; experience with LLMs and vector databases; travel up to 80%
Python, ML frameworks, AWS, Azure, Google Cloud, Docker, Kubernetes, Terraform, SageMaker, Vertex AI, Azure ML, GPU/accelerator workflows, PyTorch, TensorFlow, Hugging Face, LangChain, LlamaIndex, Pinecone, Weaviate, FAISS, OpenAI API, Azure OpenAI, Gemini, PEFT, LoRA, QLoRA, Power Platform, APIs, SDKs
3d
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Senior AI/ML Engineer
Glenview, Illinois, United States
$162k-$203k/yr HybridFull Time
7+ YOERequires 7+ years of software development experience, including 2+ years delivering enterprise AI solutions; Python, AI/ML, LLM APIs, prompt engineering, RAG, embeddings, vector search, and production software experience.
Python, GitHub Copilot, Claude Code, Azure AI Foundry, Azure AI Search, Copilot Studio, Amazon Bedrock, Amazon SageMaker, Amazon Q, OpenSearch, Pinecone, pgvector, SQL Server, Oracle, Microsoft Fabric, Microsoft SharePoint, AWS Lambda, Azure Functions, RAG, LLM APIs, APIs, embeddings, vector search, Microsoft Azure, AWS
1mo
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Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
5+ YOE5+ years software development experience; proficiency in Java, C#, Python, JavaScript; strong system architecture, design patterns, data modeling, cloud and application security knowledge; bachelor's in CS/Engineering preferred; experience with SaaS platforms (Adobe, Oracle) preferred.
Java, C#, Python, JavaScript, Adobe, Oracle
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Senior Software Engineer, Design Systems
North Chicago, Illinois, United States
$97k-$184k/yr HybridFull Time
5+ YOEExpert React and TypeScript skills, front-end design-system experience, Claude Code skills and agentic AI workflow development, Python/Node.js backend capability, Storybook/GitHub/Axe proficiency, accessibility (WCAG) and strong communication.
React, TypeScript, Python, Node.js, Storybook, GitHub, Axe, Claude Code, Figma, OutSystems, Angular, HTML, CSS, MCP
2mo
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Senior Cloud Engineer
Lincolnshire or Holtsville
$97k-$145k/yr HybridFull Time
5+ YOE5+ years of experience; Bachelor’s degree or equivalent; Python/Jenkins/Terraform; cloud experience in AWS/Azure/GCP.
Python, Jenkins, Terraform, AWS, Azure, GCP
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
4w
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Senior Software Engineer, Integrations
Chicago or Woodridge
$115k-$210k/yr HybridFull Time
5+ YOE5+ years coding experience, B.S. in CS or equivalent, strong Python/C/C++/TypeScript skills, experience with firmware-to-application integrations, customer-facing troubleshooting, and building production software.
Python, C++, TypeScript, C
1mo
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Senior AI/ML Engineer
Lisle, Illinois, United States
$92k-$138k/yr OnsiteFull Time
0+ YOEDesign, develop, and deploy scalable ML/AI solutions; experience with Python and ML libraries; model lifecycle and MLOps practices; strong collaboration and mentorship skills.
Python, Scikit-learn, TensorFlow, PyTorch
1mo
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Senior Data Engineer
Waukegan or Pleasant Prairie or Round Lake or Glenview or Kenosha
$96k-$148k/yr OnsiteFull Time
8+ YOEBachelor's degree,8+ years data engineering,5+ years Informatica PowerCenter,strong T-SQL and DB tuning,ETL development and troubleshooting; SSIS, Python, Azure, Snowflake or Databricks a plus.
Informatica PowerCenter, T-SQL, SSIS, Python, Azure, Snowflake, Databricks
4w
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Application Developer
Oakbrook Terrace, Illinois, United States
$97k-$130k/yr OnsiteFull Time
5+ YOE5+ years software development experience, bachelor's degree, proficiency in C#, Java or C++, Python, strong SQL and cloud (Azure/AWS) skills, SDLC/Git and networking knowledge.
C#, Java, C++, Python, SQL Server, MySQL, PostgreSQL, Microsoft Azure, AWS, Git, POS, ERP, HCM/HRIS
1w
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Senior Lead Software Engineer, Full Stack
McLean or Plano or Houston or Riverwoods
$209k-$262k/yr OnsiteFull Time
6+ YOE1+ Mgmt6+ years software engineering, 1+ year cloud experience, bachelor’s required, people management and cloud/AWS experience preferred, proficiency in JavaScript/Java/TypeScript/SQL/Python/Go.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
1mo
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Senior Engineer, Invest Tech
Downers Grove, Illinois, United States
$135k-$145k/yr HybridFull Time
3+ YOEBachelor's degree, 3+ years software/data engineering experience, 3+ years Python and SQL, experience with cloud-native (AWS), Kafka, CI/CD, distributed systems; AI-assisted development fluency preferred; exposure to portfolio analytics a plus.
GitHub Copilot, Claude, ChatGPT, AWS Bedrock, Python, PostgreSQL, SQL Server, Snowflake, Kafka, Lambda, S3, ECS/EKS, Step Functions, Aurora, CI/CD, DevOps, Vision platform
1w
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Senior Software Engineer
Chicago or Lake Forest
$113k-$188k/yr HybridFull Time
3+ YOEBachelor's or equivalent, 3+ years modern software engineering, experience with Python/Go/Java, React, cloud (AWS), Terraform, Kubernetes, CI/CD and DevSecOps, strong communication and mentoring skills.
Python, Go, Java, React, Kubernetes, AWS, Terraform, GitHub Actions, CI/CD, OPA
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