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Volunteer Python Developer Jobs in O Fallon, IL (NOW HIRING)

lumos

Systems & Network Security Engineer

Roanoke, VA · Hybrid

$116K - $140K/yr

Proficient in scripting with Python (preferred) or a similar language like PowerShell * Must have ... Volunteer days, parental leave * Legal, accidental, hospital indemnity, identify theft, pet ...

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Volunteer Python Developer information

See O Fallon, IL salary details

$12

$54

$80

How much do volunteer python developer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for volunteer python developer in O Fallon, IL is $54.68, according to ZipRecruiter salary data. Most workers in this role earn between $45.05 and $62.12 per hour, depending on experience, location, and employer.

What is a volunteer Python developer?

Volunteer Python Developers are individuals who use their programming skills in Python to contribute to projects or organizations without receiving monetary compensation. They often help non-profits, open-source initiatives, or community projects by writing code, fixing bugs, developing new features, or providing technical support. This role allows developers to gain experience, expand their portfolios, network with other professionals, and make a positive impact. Volunteers typically work remotely or in-person, depending on the organization's needs and their availability.

What types of projects does a volunteer Python developer typically work on, and how do they collaborate with team members?

Volunteer Python Developers often contribute to open-source projects, non-profit organization tools, or community-focused web applications. They frequently work remotely and collaborate with diverse teams through online platforms such as GitHub, Slack, or project management tools like Trello. Communication and clear documentation are essential, as teams may be distributed across different time zones. Developers can expect to review code, participate in group discussions, and help mentor less-experienced contributors, all while building their own skills and expanding their professional network.

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

To thrive as a Volunteer Python Developer, you need a solid understanding of Python programming, problem-solving abilities, and familiarity with software development principles, often supported by relevant coursework or personal projects. Experience with tools like Git, code editors (such as VS Code or PyCharm), and popular frameworks (like Django or Flask) is highly valuable. Strong communication, teamwork, and self-motivation are essential soft skills for collaborating effectively and contributing in a volunteer-driven environment. These skills ensure that you can deliver reliable code, support team goals, and make a meaningful impact despite limited resources or supervision.

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

AspectVolunteer Python DeveloperPython Developer
CredentialsOften no formal certifications required, but basic Python knowledge preferredTypically requires a degree or certification in computer science or related field
Work EnvironmentNon-profit projects, open-source communities, or charitable organizationsCorporate, startup, or tech company environments
Employer & IndustryNon-profit organizations, open-source projects, NGOsTechnology firms, startups, enterprises
Search & Comparison IntentVolunteering opportunities, unpaid roles, community projectsPaid employment, career advancement, professional roles

In summary, Volunteer Python Developers typically work on non-profit or open-source projects without formal certifications, focusing on community service. Python Developers are usually employed in paid roles within companies, often requiring formal education or certifications. The main difference lies in the work environment, compensation, and professional expectations.

What are the most commonly searched types of Python Developer jobs in O Fallon, IL?

The most popular types of Python Developer jobs in O Fallon, IL are:

Volunteer Python Developer jobs near you

Lead Software Engineer - St. Louis Office

Saint Louis, MO • On-site

London Stock Exchange Group
See more jobs at London Stock Exchange Groupexternal

Full-time

Medical, Retirement

Re-posted 12 hours ago

Key responsibilities

  • Design, develop, and deliver enterprise-grade software solutions that address complex problems in financial services.

  • Mentor and develop engineering team members, fostering a culture of technical excellence, continuous learning, and innovation.

  • Drive the adoption of AI-assisted engineering practices and evaluate emerging technologies to improve product development and performance.

Job description

LSEG Data & Analytics is one of the world's largest providers of financial markets data and infrastructure. With over 40,000 customers and 400,000 end users across approximately 190 markets, we are an essential partner to the global financial community and redefining the future of data in financial services. We enable customers to draw crucial insights through data, feeds, analytics, AI and workflow solutions.
Our engineers design, develop and deliver the products and services that reimagine how our industry works. Driving innovation through digitalisation and AI, we deliver accelerated impact and excellence for customers every day.
The Opportunity
We are seeking a passionate Lead Engineer to help us build robust, enterprise-grade solutions that drive real-world impact.
Our problems are complex from building AI-powered analytics that are constantly evolving, to challenges that define modern finance, giving engineers the opportunity to stretch their craft and shape solutions that matter.
Our software engineers have a strong appetite for innovation, new technologies, and AI, both in how we accelerate engineering and in how we create smarter, more valuable experiences for our customers. We encourage curiosity, experimentation, and continuous learning, giving our teams the opportunity to solve complex challenges at scale.
What We Look For
We place great value on technical excellence and a drive for continuous learning.
  • Experienced Software Engineers 6+ years of experience with one of the following technologies - Java, Python, C++ or C#
  • Demonstrated ability to mentor and develop engineers, fostering a culture of technical excellence, continuous learning, and innovation.
  • Strong expertise in software architecture, system design, scalability, reliability, and performance optimization for enterprise-grade applications.
  • Experience driving the adoption of AI-assisted engineering practices and evaluating emerging technologies to improve developer productivity and product innovation.
  • Strong experience with CI/CD, unit testing framework and automation (testing/deployment) in cloud platforms such as AWS or Azure
  • Curiosity about AI and a strong interest in how emerging technologies can be applied to solve complex software engineering problems.
  • Prior Financial Services or Big Tech experience preferred
  • Bachelor's degree in Computer Science, Engineering and related field or relevant experience
  • Excellent problem-solving skills and a proactive approach to identifying and resolving issues
  • Willingness to learn and work with new technologies across the full stack
  • Strong teamwork and communication skills, with the ability to collaborate optimally with cross-functional teams across multiple regions and timezones

Career Stage:
Manager
London Stock Exchange Group (LSEG) Information:
Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.
LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.
Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.
Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.
We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.
You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.
LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.
Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject.
If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

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