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Senior Python Developer Jobs in Philadelphia, PA

Vanguard Group, Inc.

Senior AI/ML Engineer

Malvern, PA · On-site

$102K - $140K/yr

Collaborate with senior engineers and data scientists in feature development, experiments, and ... Solid Python programming skills and familiarity with ML frameworks (TensorFlow, PyTorch, scikit ...

Vangard, Inc.

Senior AI/ML Engineer

Philadelphia, PA · On-site

$105K - $144K/yr

Collaborate with senior engineers and data scientists in feature development, experiments, and ... Solid Python programming skills and familiarity with ML frameworks (TensorFlow, PyTorch, scikit ...

New

Vanguard Group

Senior AI/ML Engineer

Philadelphia, PA · On-site

$105K - $144K/yr

Collaborate with senior engineers and data scientists in feature development, experiments, and ... Solid Python programming skills and familiarity with ML frameworks (TensorFlow, PyTorch, scikit ...

360 IT Professionals

Sr Java Developer

Wilmington, DE

$55.50 - $70.75/hr

Role:- Sr Java Developer Location:- Wilmington, DE. Duration:- 1 Year (Possible Extension) Sr Java ... C/C++, C#, Python, PHP, Ruby, Perl, etc. Experience working with Databases, SQL and Stored ...

Alivia Analytics

Senior DevOps Engineer

Newtown Square, PA · Remote

$125K - $165K/yr

Job Title: Senior DevOps Engineer Location: United States (Remote) Department: Infrastructure ... Experience with Python for scripting and automation. * Strong familiarity with git-based version ...

URBN

URBN Senior DevOps Engineer

Philadelphia, PA · On-site

$119K - $153K/yr

Role Summary URBN is hiring a Senior DevOps Engineer who will own and evolve the platform layer ... Strong scripting/automation in Python or Go * Observability stack experience: OpenTelemetry ...

URBN

URBN Senior DevOps Engineer

Philadelphia, PA · On-site

$119K - $153K/yr

Role Summary URBN is hiring a Senior DevOps Engineer who will own and evolve the platform layer ... Strong scripting/automation in Python or Go * Observability stack experience: OpenTelemetry ...

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Senior Python Developer information

See Philadelphia, PA salary details

$55.5K

$143.3K

$196.8K

How much do senior python developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior python developer in Philadelphia, PA is $143,266.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,600.00 and $165,000.00 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.

How much does a senior Python developer make?

A senior Python developer's salary typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may have certifications or experience with cloud platforms, which can influence compensation.

What are the key skills and qualifications needed to thrive as a senior Python developer?

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 Philadelphia, PA? The most popular types of Python Developer jobs in Philadelphia, PA are:
What are popular job titles related to Senior Python Developer jobs in Philadelphia, PA? For Senior Python Developer jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Senior Python Developer jobs in Philadelphia, PA look for? The top searched job categories for Senior Python Developer jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Senior Python Developer jobs? Cities near Philadelphia, PA with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 2% Internship, 80% Full Time, 9% Part Time, 1% Temporary, and 8% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $143,266 per year, or $68.9 per hour.

Senior AI/ML Engineer

Vanguard Group, Inc.

Malvern, PA • On-site

$102K - $140K/yr

Full-time

Re-posted 11 days ago

Vanguard rating

8.7

Company rating: 8.7 out of 10

Based on 64 frontline employees who took The Breakroom Quiz

15th of 150 rated financial services

Job description

Responsibilities
  • Design, prototype, and implement agentic systems for IT automation and resilience using LLMs and agent frameworks
  • Develop multi-agent workflows and coordinate agent collaboration for complex tasks.
  • Build and optimize retrieval-augmented generation pipelines for knowledge-driven agents.
  • Contribute to the development and testing of robust, scalable agentic architectures and infrastructure.
  • Collaborate with senior engineers and data scientists in feature development, experiments, and integration of research findings.
  • Participate in code reviews, testing, and documentation to ensure quality and reliability.

Required Skills & Experience
  • Master's degree in computer science, Machine Learning, Artificial Intelligence, or a related field.
  • 5-8 years of experience in AI/ML engineering or software development.
  • Solid Python programming skills and familiarity with ML frameworks (TensorFlow, PyTorch, scikit-learn).
  • Knowledge of LLMs and agentic principles.
  • Vanguard Internal Use Only• Experience with vector databases, data pipelines, and retrieval systems.
  • Strong problem-solving skills and eagerness to learn new AI techniques and frameworks.

Preferred Qualifications
  • Hands-on experience with agentic frameworks.
  • Familiarity with AWS cloud platforms and MLOps tools.
  • Contributions to open-source AI/ML projects or agentic frameworks.
  • Experience in building autonomous agents, RAG systems, or multi-agent workflows.

Special Factors
Sponsorship
Vanguard is not offering visa sponsorship for this position.
About Vanguard
At Vanguard, we don't just have a mission-we're on a mission.
To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best.
How We Work
Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection. We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience.

What Vanguard employees say

Pay

Benefits

Hours and flexibility

Workplace

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