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Senior Python Developer Jobs in Villa Park, IL (NOW HIRING)

UST

Senior Data Engineer

Chicago, IL · On-site

$109K - $148K/yr

They are seeking a Senior Data Engineer to design, build, and optimize scalable data pipelines and ... Responsibilities : • Design, develop, and maintain scalable ETL/ELT pipelines using Python and ...

Stellar IT Group

Senior Blockchain Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

Senior Blockchain Developer Location: Chicago, IL (Hybrid - onsite 3 days per week; anchor day ... Solidity, Java, Node.js, Python, GoLang, Rust . * Deep understanding of data structures, algorithms ...

United Airlines, Inc.

Senior Developer - IT

Chicago, IL · On-site

$56.25 - $74.25/hr

Job overview and responsibilities The Senior Software Developer will be responsible for the ... Experience with Cloud Automation Development Tool such as Git, Python/Bash/PowerShell Scripting

New

Wolters Kluwer

Senior DevOps Engineer

Riverwoods, IL · On-site

$135K - $173K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

Wolters Kluwer

Senior DevOps Engineer

Riverwoods, IL · On-site

$135K - $173K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

Wolters Kluwer

Senior DevOps Engineer

Riverwoods, IL

$135K - $173K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

Wolters Kluwer

Senior DevOps Engineer

Chicago, IL · On-site

$133K - $172K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

Wolters Kluwer

Senior DevOps Engineer

Chicago, IL · On-site

$133K - $172K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

Wolters Kluwer

Senior DevOps Engineer

Chicago, IL · On-site

$133K - $172K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

William Blair

Senior DevOps Engineer

Chicago, IL · Hybrid

$133K - $172K/yr

We are seeking a hands-on Senior DevOps Engineer to design, build, and operate secure, scalable ... Strong programming skills using Python (required), and PowerShell. * Experience implementing ...

William Blair

Senior DevOps Engineer

Chicago, IL · Hybrid

$133K - $172K/yr

We are seeking a hands-on Senior DevOps Engineer to design, build, and operate secure, scalable ... Strong programming skills using Python (required), and PowerShell. * Experience implementing ...

Ripple

Senior Staff DevOps Engineer

Chicago, IL

$133K - $172K/yr

The Developer Operations (DevOps) at Ripple manages communication, collaboration, and integration ... Strong experience in either Python, Go, or Java * Experience managing extensive, multi-region ...

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Senior Python Developer information

See Villa Park, IL salary details

$54.3K

$140.1K

$192.5K

How much do senior python developer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for senior python developer in Villa Park, IL is $140,132.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,900.00 and $161,400.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.
What are popular job titles related to Senior Python Developer jobs in Villa Park, IL? For Senior Python Developer jobs in Villa Park, IL, the most frequently searched job titles are:
What cities near Villa Park, IL are hiring for Senior Python Developer jobs? Cities near Villa Park, IL with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Senior Data Engineer

Senior Data Engineer

UST

Chicago, IL • On-site

$109K - $148K/yr

Full-time

Re-posted 22 days ago

UST rating

8.8

Company rating: 8.8 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

33rd of 449 rated business services

Job description

Job Summary:
UST is a mission-driven company that transforms lives through technology. They are seeking a Senior Data Engineer to design, build, and optimize scalable data pipelines and modern data platforms, ensuring high-performance data solutions for analytics and business intelligence in a cloud-native environment.
Responsibilities:
• Design, develop, and maintain scalable ETL/ELT pipelines using Python and PySpark for batch and streaming workloads.
• Build and manage data lake / lakehouse architectures (Bronze/Silver/Gold layers) to support enterprise analytics.
• Optimize Spark jobs for performance, scalability, and cost efficiency using best practices.
• Work with AWS services such as S3, Glue, EMR, Lambda, and Step Functions to integrate and orchestrate data workflows.
• Implement data quality, validation, and monitoring frameworks to ensure data reliability and integrity.
• Collaborate with cross-functional teams (Data, Platform, Application teams) to deliver end-to-end data solutions.
Qualifications:
Required:
• 4+ years of experience in Data Engineering / Software Development.
• Strong proficiency in Python programming (data structures, OOP, design patterns).
• Hands-on experience in PySpark and Spark ecosystem including DataFrames, Spark SQL, and Spark Streaming.
• Experience in building large-scale ETL/ELT pipelines.
• Strong knowledge of data modeling and data lake architecture (Bronze/Silver/Gold).
• Expertise with file formats such as Parquet, Avro, JSON.
• Knowledge of data quality, validation, and governance practices.
• Hands-on experience with AWS Glue (ETL jobs, Data Catalog, workflows).
• Hands-on experience with Amazon EMR (cluster management, scaling, optimization).
• Hands-on experience with Amazon S3 (data lake design, partitioning, lifecycle).
• Hands-on experience with AWS Lambda (serverless integrations).
• Experience with orchestration tools: AWS Step Functions / Airflow (MWAA).
• Monitoring via CloudWatch (logs, metrics, s).
• Strong experience in Spark performance tuning and optimization.
• Handling large datasets with focus on efficiency and cost optimization.
• Experience with CI/CD pipelines (CodePipeline, CodeBuild, CodeDeploy).
• Familiarity with Infrastructure as Code (Terraform/CloudFormation).
• Strong focus on testing and code quality (pytest, unit/integration testing, PEP 8 standards).
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder collaboration abilities.
• Ability to work independently and in Agile environments.
Company:
UST is a global digital transformation solutions provider. Founded in 1999, the company is headquartered in Waltham, USA, with a team of 10001+ employees. The company is currently Late Stage.

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