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

Deloitte

Senior Automation Engineer

Saint Louis, MO · Hybrid

$101K - $132K/yr

Evaluate, select, and implement Python libraries, testing tools, and supporting frameworks to ... As an experienced Senior Automation Engineer ,you will have the ability to share new ideas and ...

1 point system

Java Developer

O Fallon, MO · On-site

$47.75 - $61.75/hr

The Sr. Software Engineer opportunity we have in St. Louis, MO. All candidates will be required to ... Python, Perl, PHP, JavaScript, Go). * Orchestrates the deployment/maintenance of complex ...

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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All JobsSenior Python Developer JobsSenior Python Developer Jobs in O'Fallon, MO

Senior Python Developer information

See O Fallon, MO salary details

$51.5K

$132.8K

$182.4K

How much do senior python developer jobs pay per year?

As of Jun 21, 2026, the average yearly pay for senior python developer in O'Fallon, MO is $132,815.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,700.00 and $153,000.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

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

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

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

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.
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 cities near O'Fallon, MO are hiring for Senior Python Developer jobs? Cities near O'Fallon, MO with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Senior Electronics Engineer

Senior Electronics Engineer

DeepSight Technology

Saint Louis, MO • On-site

$100K - $140K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 23 days ago

Be an early applicant

Job description

Are you an experienced electrical engineer who wants to contribute to interesting new projects and solve complex new problems? Would you like to support the improvement of medical-grade imaging tools and diagnostics? That's exactly what you'll be doing as a full-time Senior Electronics Engineer with DeepSight Technology Inc.!

When you join our St Louis, MO team, you'll ensure we create quality components that comply with medical regulations. We're offering a competitive salary of $100,000 - $140,000/year and terrific benefits like:

  • Stock options
  • Medical
  • Dental
  • Vision
  • 401(k) retirement plan

Interested? Keep reading to learn more!


ROLE EXPECTATIONS

Your goal as our Senior Electronics Engineer is to design, create, and debug printed circuit boards (PCBs) for complex medical imaging purposes. These are extremely important components, and you'll oversee the entire hardware lifecycle to ensure the boards comply with all technical specifications and medical-grade requirements. You'll design boards, run SPICE simulations, manage fabrication and assembly activities, and lead V&V (verification and validation) processes to ensure all circuit boards are up to par.

If you observe any issues with the boards, you'll use various lab instruments to troubleshoot and resolve the problem. You'll manage our inventory, document technical information, submit formal verification reports, and characterize microelectronic systems utilizing FPGAs and microcontrollers. Your strict attention to detail and strategic problem-solving skills will ensure every board is ready for medical-grade purposes.


OUR IDEAL SENIOR ELECTRONICS ENGINEER

  • BS in electrical engineering or a related technical field
  • 5+ years of industry experience, preferably in a regulated field such as medical, automotive, or aerospace
  • Hands-on experience with SPICE or a similar circuit simulation tool
  • Proven experience working with FPGAs and/or Microcontrollers
  • Advanced experience with high-speed oscilloscopes, spectrum analyzers, and data acquisition boards
  • Expert-level proficiency in CAD layout tools, specifically Altium Designer
  • Proficiency in Python for hardware automation and data collection

HELP US SUPPORT THE FUTURE OF MEDICAL IMAGING!

Our stealth-mode startup has developed breakthrough ultrasound imaging technology. This new technology will extend both the range and clarity of current systems by 10x-100x! We are setting new standards that will dramatically improve ultrasound's capabilities for many years. To develop and improve this technology, we need dedicated team players on our side. We hope you'll be one of them!

Become the newest member of our talented engineering team by completing our short initial application today!


Job Posted by ApplicantPro