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Back End Python Developer Jobs in Philadelphia, PA

Globusmedical

Software Engineer-Backend

Audubon, PA · On-site

The Software Engineer will be responsible for developing and maintaining C++ backend software for ... or Python - Experience in Medical Device field Physical Demands : The physical demands listed here ...

Globus Medical

Software Engineer-Backend

Audubon, PA · On-site

The Software Engineer will be responsible for developing and maintaining C++ backend software for ... or Python - Experience in Medical Device field Physical Demands : The physical demands listed here ...

Arka Infotech Inc

Hadoop Developer

Wilmington, DE

Hadoop Developer Location: Wilmington, DE Length: 2 years F2F REQUIRED Locals only Requirements ... and back-end solutions written in Java - Proficiency with scripting languages (Python, Perl ...

Arka Infotech Inc

Hadoop Developer

Wilmington, DE · On-site

Hadoop Developer Location: Wilmington, DE Length: 2 years F2F REQUIRED Visa copy required for ... and back-end solutions written in Java - Proficiency with scripting languages (Python, Perl ...

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$16.1K

$149.6K

$192.7K

How much do back end python developer jobs pay per year?

As of May 29, 2026, the average yearly pay for back end python developer in Philadelphia, PA is $149,580.00, according to ZipRecruiter salary data. Most workers in this role earn between $146,800.00 and $169,000.00 per year, depending on experience, location, and employer.

What is a Back End Python Developer job?

A Back End Python Developer is responsible for building and maintaining the server-side logic of web applications using Python. They develop APIs, manage databases, optimize application performance, and ensure seamless data exchange between the front end and back end. Common frameworks used include Django and Flask. Their role is crucial in ensuring that applications run efficiently, securely, and can scale as needed.

What are the key skills and qualifications needed to thrive in the Back End Python Developer position, and why are they important?

To thrive as a Back End Python Developer, you need strong proficiency in Python, knowledge of back-end frameworks like Django or Flask, experience with RESTful APIs, and a solid understanding of databases such as PostgreSQL or MongoDB, often supported by a degree in computer science or related technical field. Familiarity with tools like Git, containerization (Docker), CI/CD pipelines, and cloud platforms (AWS, Azure, or GCP), along with relevant certifications, are often valued. Excellent problem-solving abilities, attention to detail, and effective communication skills help developers work efficiently in collaborative and fast-paced environments. These skills ensure reliable, scalable, and maintainable server-side applications that support business goals and user experience.

What are the typical daily responsibilities of a Back End Python Developer?

As a Back End Python Developer, your daily tasks often include designing, developing, and maintaining server-side logic, building and integrating APIs, and managing databases to ensure efficient data storage and retrieval. You'll collaborate closely with front-end developers and other team members to deliver seamless user experiences, troubleshoot bugs, and optimize system performance. Participation in code reviews, writing unit tests, and updating technical documentation are also common responsibilities. This collaborative and varied workflow ensures the server-side infrastructure is robust and scalable to meet the demands of modern web and application development.
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Back End Python Developer jobs near you
OpenClaw Backend Engineer (Remote)

OpenClaw Backend Engineer (Remote)

Outlier AI

Philadelphia, PA • Remote

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

About the Project

Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw?

We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, coordinate, and optimize complex, real-world architectural workflows.

Whether you are a passionate orchestration guru or experienced software developer — we want you to help us train the world's most advanced generative systems.

Ideal Qualifications

  • 2+ years of experience in backend engineering, AI automation, or complex systems integration.
  • Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting).
  • Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases.
  • Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
  • Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors.

Nice to have

  • Expertise building multi-stage coordination tasks where data acquisition leads to reasoned output.
  • Hands-on experience integrating agents with live tools such as Supabase, Gmail, and various APIs to solve real-world problems.
  • High level of comfort implementing persistent state and session discovery using MEMORY.md to track agent progress.
  • Experience identifying subtle failures like privacy leaks, authority escalation, or indirect prompt injections.

Apply