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Python Programmer Jobs in O Fallon, IL (NOW HIRING)

Stifel

AI-Application Security Engineer

Saint Louis, MO · On-site

$57 - $76.25/hr

Leverage AI and automation to scale security operations, vulnerability management, and developer enablement through technologies such as Python, AWS services, and CI/CD pipelines. * Triage, validate ...

Stifel

AI-Application Security Engineer

Saint Louis, MO · On-site

$57 - $76.25/hr

Leverage AI and automation to scale security operations, vulnerability management, and developer enablement through technologies such as Python, AWS services, and CI/CD pipelines. * Triage, validate ...

Stifel

AI-Application Security Engineer

Saint Louis, MO · On-site

$57 - $76.25/hr

Leverage AI and automation to scale security operations, vulnerability management, and developer enablement through technologies such as Python, AWS services, and CI/CD pipelines. * Triage, validate ...

Intellectix

Data Scientist

Saint Louis, MO · On-site

Direct experience and demonstrated proficiency with Python programming to build containerized microservices that use message queues such as activemq or rabbitmq. * Experienced in ML Model performance ...

Intellectix

Data Scientist

Saint Louis, MO · On-site

Direct experience and demonstrated proficiency with Python programming to build containerized microservices that use message queues such as activemq or rabbitmq. * Experienced in ML Model performance ...

Cyera

Security Engineer

Creve Coeur, MO · On-site +1

$80K - $150K/yr

Python Automation: Develop Python scripts and automations for alert enrichment, data processing ... Partner with security, cloud, IT, and engineering teams to improve visibility, reduce risk, and ...

Imperial PFS

Analytics Engineer

Edwardsville, IL · On-site

Python programming experience for data parsing, transformation, and scripting within data pipelines Midwest Railcar is a leading provider of railcar leasing and transportation solutions, committed to ...

Imperial PFS

Analytics Engineer

Edwardsville, IL · On-site

$107K - $129K/yr

Python programming experience for data parsing, transformation, and scripting within data pipelines Midwest Railcar is a leading provider of railcar leasing and transportation solutions, committed to ...

Imperial PFS

Analytics Engineer

Edwardsville, IL · On-site

$107K - $129K/yr

Python programming experience for data parsing, transformation, and scripting within data pipelines Midwest Railcar is a leading provider of railcar leasing and transportation solutions, committed to ...

Merck Group

Staff Software Engineer

Saint Louis, MO · On-site

$110K - $165K/yr

We are looking for a Staff Applied AI Engineer to build scalable, production-grade backend ... Design, develop, and maintain scalable Python applications and backend services. * Build systems ...

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Showing results 21-40

All JobsPython Programmer JobsPython Programmer Jobs in O'Fallon, IL

Python Programmer information

See O Fallon, IL salary details

$37

$63

$77

How much do python programmer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for python programmer in O'Fallon, IL is $63.53, according to ZipRecruiter salary data. Most workers in this role earn between $58.32 and $67.26 per hour, depending on experience, location, and employer.

Are Python programmers in demand?

Python programmers are in high demand across various industries due to the language's versatility, ease of learning, and widespread use in data analysis, web development, and automation. Employers often seek candidates with skills in frameworks like Django or Flask and familiarity with libraries such as Pandas or NumPy, making Python a valuable skill for software development roles.

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

To thrive as a Python Programmer, you need strong proficiency in Python programming, understanding of algorithms, and a background in computer science or related fields. Familiarity with development tools like Git, testing frameworks such as PyTest, and experience with libraries like Django or Flask are typically required. Problem-solving ability, attention to detail, and effective teamwork are standout soft skills for this role. These skills ensure the development of reliable, scalable software solutions and smooth collaboration within technical teams.

What do Python programmers do?

A Python programmer uses the programming language called Python to write code for various applications, including big data manipulation, web servers, program scripting, and more. In this career, the software allows you to program quicker using fewer lines, which creates an easy-to-read code. You can find work in web or game development, data visualization, and analyzing data, among others. Your job duties vary based on your specialization, but they usually include working with files and extensive support libraries, creating, testing and implementing new or updated applications, and examining the code to spot problems.

What are some common challenges Python programmers face when working on large-scale projects, and how can they overcome them?

Python Programmers working on large-scale projects often encounter challenges such as managing code maintainability, optimizing performance, and coordinating with cross-functional teams. To address these, it’s essential to follow best practices like modular programming, using virtual environments, and employing version control systems such as Git. Regular code reviews and clear communication within the team help maintain code quality and ensure everyone is aligned. Leveraging frameworks and libraries effectively can also streamline development and reduce repetitive tasks.

What is the difference between Python Programmer vs Software Developer?

AspectPython ProgrammerSoftware Developer
Required CredentialsTypically a degree in Computer Science or related field; proficiency in PythonDegree in Computer Science or related; proficiency in multiple programming languages including Python
Work EnvironmentOften in tech companies, startups, or freelance projects focused on Python-based tasksIn various industries, working on full software solutions, often across multiple languages and platforms
Employer & Industry UsageTech firms, data analysis, automation projectsSoftware firms, IT departments, app development

While a Python Programmer specializes in Python coding, a Software Developer works on broader software solutions, often using multiple languages. Both roles require similar foundational skills, but Software Developers typically handle more comprehensive project responsibilities.

What is a Python programmer?

Python Programmers are software developers who specialize in writing code using the Python programming language. They design, develop, and maintain applications or systems, often working on tasks such as web development, data analysis, machine learning, automation, and scripting. Python Programmers need strong problem-solving skills and a good understanding of programming concepts. They often collaborate with other developers, data scientists, and stakeholders to build efficient and scalable solutions.

What jobs can a Python programmer do?

A Python programmer can work in roles such as software developer, data analyst, data scientist, machine learning engineer, web developer, automation engineer, and backend developer. These roles often require knowledge of frameworks like Django or Flask, libraries such as Pandas or TensorFlow, and proficiency in coding, debugging, and version control tools like Git.
More about Python Programmer jobs
What cities near O'Fallon, IL are hiring for Python Programmer jobs? Cities near O'Fallon, IL with the most Python Programmer job openings:
Python Programmer jobs near you
Infographic showing various Python Programmer job openings in O'Fallon, IL as of August 2026, with employment types broken down into 2% Internship, 83% Full Time, 8% Part Time, 6% Contract, and 1% Nights. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $132,139 per year, or $63.5 per hour.

Software Engineer

Reinventing Geospatial, Inc. (RGi)

Saint Louis, MO

$115K - $170K/yr

Full-time

Medical, Dental, Retirement, PTO

Re-posted 13 days ago

Job description

Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from data collection to advanced deep learning, leveraging tools like Python, Java, and ArcGIS.
 
We don't just fill roles we build teams of high performers and leaders who make an immediate impact. At our core, we're driven by innovation and powered by people who work at the intersection of passion and performance. Here, you'll collaborate with bold thinkers, leverage cutting edge technology, and tackle meaningful challenges from day one.
 
Our culture is defined and anchored by three pillars:
 
Energy: We bring passion, purpose, and urgency to our work.
Edge: We take initiative, embrace growth, and step outside our comfort zone.
Execution: We get things done smartly, decisively, and with real results.
 
If you're the kind of person who leads with initiative, thrives in a fast-paced environment, and is eager to create real impact, we want you on our team.
 
Clearance:
Active Top Secret clearance with an ability to obtain SCI access and willingness to obtain CI Polygraph
US Citizenship Required 
 
*This job posting is for a potential upcoming opening, and we encourage interested candidates to apply for future consideration.
As a Software Engineer, you will...
  • Contribute to the design, development, testing and integration of new capabilities from an idea to production across a complex system 
  • Integrate capabilities from different systems across the enterprise while the needs of users and stakeholders are met 
  • Participate in daily standups, sprint and release planning activities, and coordinate with other team members (systems engineer, systems administrator, tester, etc.) to accomplish the tasks outlined in user stories 
  • Write or contribute to documentation and end-user instructions/manuals, as necessary 
Software Engineer Qualifications...
  • Associate's or Bachelor's Degree in Computer Science or related field  
  • 5+ years of experience in software development with experience in all phases of the software development lifecycle (analysis, design, development, testing, deployment, maintenance) 
  • Demonstrated experience developing with modern languages such as: Python, Ruby, Clojure, Java, JavaScript, etc.
  • Experience designing, developing, documenting, testing, and debugging software that contains logical and mathematical solutions to problems
  • Demonstrated experience using rapid prototyping and Agile based software development methodologies
  • GEOINT/SIGINT/IMINT domain knowledge
Additional Skills We'd Like to See:
  • Understanding of machine learning concepts
  • Experience with development in microservice based architectures
  • Understanding of web application development concepts and experience using web frameworks
  • Experience with container technologies and orchestration such as Docker, Docker Compose, Kubernetes, etc.
  • Experience with continuous integration and software CM processes / tools (Git, GitLab, GitLab CI, Jenkins, JIRA, Confluence)
  • AWS experience and/or AWS certification (Developer, DevOps and/or, Architect, etc.)
  • Security+ Certification
  • Highly preferred to have Python programming language experience
$115,000 - $170,000 a year
Salary Range: $115,000 - $170,000
Salary is commensurate with experience.
Who we are:
Reinventing Geospatial, Inc. (RGi) is a fast-paced small business that has the environment and culture of a start-up, with the stability and benefits of a well-established firm. We solve complex problems within geospatial software development and national defense to make an Immediate Impact for our nation's soldiers and analysts.

We pride ourselves on giving employees an exceptional life experience, where creativity thrives, and challenges are simply part of the fun. We provide truly excellent benefits, including:

        100% paid employee healthcare & dental insurance
        Paid parental leave
        401k with matching
        Escalating vacation time
        Referral bonuses
        Tuition reimbursement
        Professional development training
        Free beverages and snacks
        Weekly catered lunches and breakfast on Fridays
 
Grow to be our next leader:
At RGi, fostering a strong and organic corporate culture is paramount and serves as a compass on the decisions we make and how we operate the company. We believe our culture of camaraderie, innovation, and collaboration reflects the caliber of our employees and their dedication to the mission of providing quality software to our customers. As such, we want our employees to feel empowered to seek growth and leadership opportunities within the company and position us to maintain our culture as we grow. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. If this is what you are looking for in a company, then you are what we are looking for in an employee.

Reinventing Geospatial, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for all positions.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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