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

Arka Infotech Inc

Sr. Scala Developer

Saint Louis, MO · On-site

$53 - $70/hr

Louis, Missouri 08-03-2015 Senior Scala Developer w/hands-on experience writing Scala architecture on OS X and AWS models -- experience coding in Clojure, Java, and/or Python also a plus. Client is ...

Centstone

StreamSets Developer

Saint Louis, MO · On-site

Experience with Python or Java. * Experience with CI/CD tools such as Jenkins, GitHub Actions, GitLab, or Azure DevOps. * Experience with Docker/Kubernetes is a plus. * Experience working with data ...

New

ACI Infotech

Java Developer

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Onsite Sr. Java Developer Location: St. Louis, MO In short, I require ::-- Java , spring boot ... of Python is plus • Unix Shell Scripting and Linux/MacOs Experience • Knowledge of AWS is a ...

MasterCard

Senior AI Engineer

O Fallon, MO · Hybrid

$97K - $134K/yr

Develop high-performance Python backend services for LLM inference orchestration, async job ... Engineer state, memory, and context management subsystems that enable agents to reason temporally ...

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 ...

Mastercard, Inc.

Senior AI Engineer

O Fallon, MO · On-site

$97K - $134K/yr

... Python backend services for LLM inference orchestration, async job handling, streaming responses, and distributed data workflows supporting high-throughput Gen AI operations. • Engineer state ...

Meridian Systematics

DevOps Engineer

Saint Louis, MO · On-site

$110 - $160/hr

DevOps Engineer (Junior, Mid-Level, Senior) Location: St. Louis, MO Clearance Required: Active Top ... Experience with Python, Bash, or Shell scripting. * Knowledge of networking concepts including TCP ...

New

Meridian Systematics

Software Developer

Saint Louis, MO · On-site

$110 - $170/hr

Expert proficiency in at least one programming language and experience with multiple technologies such as Python, Java, JavaScript, React, or .NET/Visual Basic . * Strong understanding of software ...

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Showing results 21-40

All JobsPython Developer JobsPython Developer Jobs in O'Fallon, MO

Python Developer information

See O Fallon, MO salary details

$12

$54

$80

How much do python developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for python developer in O'Fallon, MO is $54.81, according to ZipRecruiter salary data. Most workers in this role earn between $45.19 and $62.26 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 does a Python developer do?

A Python Developer designs, codes, and maintains software applications using the Python programming language. They often work on web applications, data analysis, automation scripts, and more. Their responsibilities can include writing and testing code, debugging programs, integrating third-party services, and collaborating with other developers and stakeholders. Python Developers are valued for their ability to create efficient, scalable, and readable code. They may also be involved in deploying applications and maintaining technical documentation.

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.

How much do Python developers get paid?

Python developers' salaries vary based on experience, location, and skill level, but they typically earn between $70,000 and $120,000 annually in the United States. Senior developers with expertise in frameworks, data analysis, or machine learning can earn higher salaries, especially in tech hubs. Entry-level positions generally start around $60,000 to $80,000.

Is Python in demand in 2026?

Python developers are expected to remain in high demand through 2026 due to the language's widespread use in data science, web development, automation, and artificial intelligence. Proficiency in frameworks like Django or Flask and knowledge of related tools can enhance job prospects in this field.

Is there a demand for Python developers?

Python developers are in high demand across various industries such as technology, finance, and data science due to Python's versatility and widespread use in web development, automation, and machine learning. Employers seek professionals with skills in frameworks like Django or Flask and knowledge of data analysis tools like Pandas and NumPy, making Python a valuable programming language for job seekers.

What jobs can a Python Developer get?

A Python Developer can work in roles such as software engineer, web developer, data analyst, data scientist, machine learning engineer, automation engineer, and backend developer. These positions often require knowledge of frameworks like Django or Flask, and familiarity with databases and version control systems.
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:

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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 August 2026, with employment types broken down into 1% Internship, 83% Full Time, 11% Part Time, and 5% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $114,015 per year, or $54.8 per hour.

Sr. Scala Developer

Arka Infotech Inc

Saint Louis, MO • On-site

$53 - $70/hr

Contractor

Re-posted 28 days ago

Job description

Job Description
Sr. Scala Developer
12+ Months
St. Louis, Missouri
08-03-2015
Senior Scala Developer w/hands-on experience writing Scala architecture on OS X and AWS models -- experience coding in Clojure, Java, and/or Python also a plus. Client is building a cloud-based 'Big Data' analytics platform using open-source and SaaS tools--familiarity w/Apache Kafka and Samza highly desirable. In addition, candidates should have a strong understanding of Test-Driven Environments, Agile Methodologies, and Continuous Integration ad Deployment--in addition to analytics-specific techniques such as Machine Learning and Bayesian Methods. Must be familiar w/NoSQL on the back-end.


Qualifications
BS Degree


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