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Python Developer Jobs in O Fallon, MO (NOW HIRING)

aqua IT

Backend Developers (Jr-Sr)

Saint Louis, MO · On-site

We have several openings at multiple levels (Jr-Sr). As a developer on our team, you will build ... From building intuitive AI web interfaces to writing Python for geoprocessing tools and AI agents ...

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 ...

TriOptus LLC

Java Developer - Consultant

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Proficiency in multiple modern programming languages such as Java, Python, Ruby, Angular, Scala, etc. * Strong written and verbal English communications skills. * Strong analytical and excellent ...

DCS Corp

Senior Level Software Developer

Saint Louis, MO

$53 - $70/hr

We are seeking a Software Engineer to support our client's intelligence analysis products and ... Java, JavaScript or Python enterprise application development. Web services architecture, design ...

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Python Developer information

See O Fallon, MO salary details

$12

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$80

How much do python developer jobs pay per hour?

As of May 31, 2026, the average hourly pay for python developer in O'Fallon, MO is $54.84, according to ZipRecruiter salary data. Most workers in this role earn between $45.19 and $62.31 per hour, depending on experience, location, and employer.

What Does a Python Developer Do?

As a Python developer, your job is to use the Python programming language to develop, implement, and debug a project. In this role, you may create an application for your employer, design the framework for your code, build tools as necessary to get the job done, create websites, or publish new services. Python developers often work with data collection and analytics to create useful answers to questions and provide insight where it's needed most. Like most programming positions, the specifics of this job vary based on the needs of your employer. Some Python developers work as independent contractors instead of being exclusive to one company.

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

To thrive as a Python Developer, you need strong programming skills in Python, a solid understanding of algorithms and data structures, and often a degree in computer science or a related field. Familiarity with frameworks like Django or Flask, version control systems such as Git, and knowledge of databases and cloud services are commonly required. Problem-solving ability, attention to detail, and effective communication help developers collaborate and deliver high-quality code. These skills and qualities are vital to building efficient, scalable software solutions and contributing effectively to development teams.

What are some common challenges Python Developers face when working on large-scale projects?

Python Developers working on large-scale projects often encounter challenges such as managing codebase complexity, ensuring consistent code style among team members, and optimizing application performance. Collaboration with other developers becomes essential, often requiring the use of version control systems and code review processes. Additionally, integrating Python code with other technologies or legacy systems can present unique compatibility and testing hurdles. Proactively adopting best practices like modular architecture and thorough documentation can help mitigate these issues.

What is the difference between Python Developer vs Java Developer?

AspectPython DeveloperJava Developer
Required CredentialsBachelor's in CS or related field, Python certifications (optional)Bachelor's in CS or related field, Java certifications (optional)
Work EnvironmentWeb development, data science, automation, scriptingEnterprise applications, Android development, backend systems
Industry UsageTech startups, data companies, automation firmsFinancial services, enterprise software, mobile app companies
Common Search/ComparisonOften compared for backend and scripting rolesCompared for enterprise and mobile app development

Python Developers and Java Developers share similar educational backgrounds and often work in backend environments. However, Python is favored for data science, scripting, and rapid development, while Java is preferred for large-scale enterprise applications and Android development. Both roles are highly sought after, but their industry focus and project types differ.

More about Python Developer jobs
What are the most commonly searched types of Python Developer jobs in O'Fallon, MO? The most popular types of Python Developer jobs in O'Fallon, MO are:
What are popular job titles related to Python Developer jobs in O'Fallon, MO? For Python Developer jobs in O'Fallon, MO, the most frequently searched job titles are:
What cities near O'Fallon, MO are hiring for Python Developer jobs? Cities near O'Fallon, MO with the most Python Developer job openings:
Python Developer jobs near you
Infographic showing various Python Developer job openings in O'Fallon, MO as of May 2026, with employment types broken down into 71% Full Time, 21% Part Time, and 8% Contract. Highlights an 70% Physical, 4% Hybrid, and 26% Remote job distribution, with an average salary of $114,065 per year, or $54.8 per hour.
Software Engineer

Software Engineer

Reinventing Geospatial, Inc. (RGi)

Saint Louis, MO

$115K - $170K/yr

Full-time

Medical, Dental, Retirement, PTO

Posted 5 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. 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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