ZipRecruiter

Log In

1

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

GRVTY

Senior Data Scientist

Saint Louis, MO · On-site

You will leverage senior-level Python programming skills to build production-ready tools, automate ... Experience mentoring junior data scientists or leading technical modernization initiatives.

Biopharma Careers

Staff Software Engineer

Saint Louis, MO · On-site

$110K - $185K/yr

Mentor Junior-level engineers into strong AI engineers; Employ AI Native development skills to ... Design, develop, and maintain scalable Python applications and backend services. * Build systems ...

Merck Group

Staff Software Engineer

Saint Louis, MO · On-site

$110K - $185K/yr

Mentor Junior-level engineers into strong AI engineers; Employ AI Native development skills to ... Design, develop, and maintain scalable Python applications and backend services. * Build systems ...

GRVTY

Senior Data Scientist

Saint Louis, MO · On-site

You will leverage senior-level Python programming skills to build production-ready tools, automate ... Experience mentoring junior data scientists or leading technical modernization initiatives.

GRVTY

Senior Data Scientist

Saint Louis, MO · On-site

You will leverage senior-level Python programming skills to build production-ready tools, automate ... Experience mentoring junior data scientists or leading technical modernization initiatives.

LHH US

DevOps Engineer

Saint Louis, MO · On-site

$105K - $140K/yr

PowerShell, Python, or Bash scripting * Linux administration * Git version control * Production support and monitoring Preferred Experience * Azure DevOps Pipelines and AKS * Cloud migrations and ...

LHH US

DevOps Engineer

Saint Louis, MO · On-site

$105K - $140K/yr

PowerShell, Python, or Bash scripting * Linux administration * Git version control * Production support and monitoring Preferred Experience * Azure DevOps Pipelines and AKS * Cloud migrations and ...

previous page

Showing results 41-60

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

Junior Python Developer information

See O Fallon, MO salary details

$22.4K

$83.2K

$128.6K

How much do junior python developer jobs pay per year?

As of Sep 15, 2026, the average yearly pay for junior python developer in O'Fallon, MO is $83,198.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,600.00 and $81,400.00 per year, depending on experience, location, and employer.

What is a junior Python developer?

A Junior Python Developer is an entry-level software developer who specializes in writing, testing, and maintaining code using the Python programming language. They typically work under the guidance of senior developers and assist in building applications, fixing bugs, and improving performance. Their responsibilities may include writing scripts, working with databases, and integrating third-party services. Strong problem-solving skills, knowledge of Python frameworks like Django or Flask, and familiarity with version control systems like Git are often required. Junior developers are expected to learn quickly and contribute to the development team while gaining hands-on experience.

What are the typical daily responsibilities of a junior Python developer?

As a Junior Python Developer, your daily tasks may include writing and testing code, fixing bugs, and participating in code reviews alongside more experienced developers. You'll often work on modules or features under the guidance of senior team members, attend stand-up meetings, and update project documentation as needed. Collaboration with frontend developers, QA testers, and project managers is common, especially when integrating systems or implementing new features. Over time, you can expect to take on more complex tasks and gradually build your expertise through mentorship and hands-on project work.

What are the key skills and qualifications needed to thrive in the junior Python developer position?

To thrive as a Junior Python Developer, you need a solid foundation in Python programming, an understanding of computer science fundamentals, and often a relevant degree or coursework. Familiarity with version control systems like Git, basic experience with web frameworks such as Flask or Django, and knowledge of databases are commonly expected, while certifications like PCEP can be advantageous. Attention to detail, a willingness to learn, effective problem-solving, and strong communication skills are essential soft skills for this role. These competencies ensure you can contribute efficiently to software development projects, adapt to new challenges, and collaborate well within a development team.

Is there a demand for junior Python developers?

There is strong demand for junior Python developers across various industries, including web development, data analysis, and automation. Companies seek candidates with basic programming skills, knowledge of frameworks like Django or Flask, and familiarity with version control tools such as Git. Entry-level positions are available in both startups and established organizations, reflecting Python's popularity and versatility.

What does a junior Python developer do?

A junior Python developer writes, tests, and maintains Python code for software applications under supervision. They often work on tasks such as debugging, implementing features, and collaborating with team members using tools like version control systems. Basic knowledge of programming concepts and familiarity with frameworks like Django or Flask are typically required.

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 Junior Python Developer jobs in O'Fallon, MO?

For Junior Python Developer jobs in O'Fallon, MO, the most frequently searched job titles are:

What cities near O'Fallon, MO are hiring for Junior Python Developer jobs?

Cities near O'Fallon, MO with the most Junior Python Developer job openings:

Junior Python Developer jobs near you
Infographic showing various Junior 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 $83,198 per year, or $40 per hour.

Junior Software Tester (Agile/DevSecOps)

Saint Louis, MO • On-site

CEdge Inc.
See more jobs at CEdge Inc.external

Other

Retirement, PTO

Posted 2 days ago

New

Job description

CEdge has an opportunity for a Junior Software Tester (Agile/DevSecOps), located in Saint Louis, MO. If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the opportunity that will inevitably take your career to unbelievable levels!

Estimated Start Date: 16 Oct

Objective: Support the rapid, incremental improvement of the Client systems by participating in Agile software development and DevSecOps practices. Assist in defect resolution, feature deployment, and quality assurance to ensure secure, reliable, and scalable software delivery.

Key Responsibilities
  • Participate in Agile/Scrum delivery cycles, including sprint planning, daily standups, backlog refinement, sprint reviews, and retrospectives.
  • Collaborate with developers, product owners, and stakeholders to clarify requirements and acceptance criteria.
  • Execute test cases for new features, bug fixes, and modernization updates within 3-week sprint cycles.
  • Document test results, defects, and improvement opportunities in management tools (e.g., Jira, Confluence) ensuring traceability.
  • Assist in scheduled and ad-hoc demonstrations to maintain real-time feedback loops.
  • Assist in structured engineering change control, ensuring all test results and defects are traceable to sprint or Kanban tickets.
Required Qualifications
  • Experience with Agile/Scrum methodologies and software development lifecycle.
  • Experience with test management tools (e.g., Jira, Confluence) and automated testing frameworks.
  • Strong attention to detail, documentation, and communication skills.
  • Ability to work collaboratively in a fast-paced, mission-critical environment.

Clearance : Secret Clearance

DCWF 8140 – Security+

Education – Bachelor's degree or higher in Computer Science, Information Technology, Engineering, Engineering Management, Management Information Systems, Mathematics, or related STEM degree program.

Minimum experience : 1-4 years.

Benefits WHAT’S IN IT FOR YOU?
  • Full Benefits Package
  • 10 Days PTO
  • 6 Sick leaves
  • 11 Federal Holidays
  • 401K
WHO ARE WE?

CEdge Inc is an innovative IT consulting firm, and a strategic business partner. We offer IT solutions to Federal and State government, as well as, Commercial Enterprises throughout the United States. Our main objective is to create an integrity-based culture that takes pride in working as a collaborative team that focuses on growth and is driven by the desire to provide purely ethical services for both our clients and teammates.

#J-18808-Ljbffr

Apply