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Senior Python Developer Jobs in York, PA (NOW HIRING)

*Cummins Business

Software Developer 2

Lemoyne, PA · On-site

Job Title: Senior Software Developer Location: [Specify Location or Remote] Employment Type ... Proficiency in programming languages such as [e.g., Python, Java, JavaScript, C#, etc.

SmartIPlace

Senior DevSecOps Engineer

Harrisburg, PA · On-site

$55 - $60/hr

CI/CD authoring in GitHub Actions and Azure DevOps. * Proficient in Python and Bash, with PowerShell for Windows automation. * Able to read Java and C# to integrate and tune SAST/SCA. * Practical ...

WebstaurantStore

Senior BI Engineer, Data

Lititz, PA · On-site +1

$98K - $133K/yr

As a Senior BI Engineer , you will architect and own the next generation of our enterprise data ... Develop Python based ingestion utilities, automation scripts, and reusable components. * Establish ...

Johnson Controls

Senior Modeling Engineer

York, PA · On-site +1

$102K - $141K/yr

... Senior Modeling Engineer. As a member of the modeling team, you will develop and apply numerical ... Python scripting and environment management (package installation, virtual environments, basic ...

TE Connectivity

Sr. Embedded Coder

Harrisburg, PA · On-site

$128K - $192K/yr

Programming Arm Cortex microcontrollers * Programming 16-bit PIC microcontrollers * Serial ... Support SW using LabView, python, Excel, and Matlab/Octave Team Composition/Specific Group Info You ...

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in York, PA

Senior Python Developer information

See York, PA salary details

$54.1K

$139.7K

$191.9K

How much do senior python developer jobs pay per year?

As of Jul 29, 2026, the average yearly pay for senior python developer in York, PA is $139,728.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,600.00 and $160,900.00 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 York, PA? The most popular types of Python Developer jobs in York, PA are:
What are popular job titles related to Senior Python Developer jobs in York, PA? For Senior Python Developer jobs in York, PA, the most frequently searched job titles are:
What cities near York, PA are hiring for Senior Python Developer jobs? Cities near York, PA with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in York, PA as of July 2026, with employment types broken down into 82% Full Time, 6% Part Time, 1% Temporary, and 11% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $139,728 per year, or $67.2 per hour.

Senior CNO Software Developer with Security Clearance

REDLattice Incorporated

Maryland Line, MD • On-site

$50.25 - $66.50/hr

Other

Medical, Dental, Vision, Retirement

Re-posted 23 days ago

Job description

Senior CNO Software Developer Location: Hanover, MD (Onsite) Clearance: Active TS/SCI with Polygraph Required At REDLattice, we are a global leader in delivering advanced cybersecurity products and services that support some of the nation's most critical missions. Our teams conduct cutting-edge vulnerability research, reverse engineering, exploit development, and cyber capability development to solve complex challenges across the evolving cyber landscape. With offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice continues to grow while maintaining a culture focused on innovation, technical excellence, and mission impact. REDLattice is seeking a highly skilled Senior CNO Software Developer to join our team in Hanover, Maryland. This position supports advanced cyber operations through the development of innovative software solutions and mission-focused capabilities. The ideal candidate possesses strong expertise in Python development, experience with low-level system internals, and a passion for solving complex technical challenges in support of national security objectives. Responsibilities * Design, develop, test, and maintain advanced software solutions supporting cyber operations * Analyze software and systems to identify vulnerabilities, enhancements, and operational opportunities * Develop and integrate CNO capabilities using modern software engineering practices * Troubleshoot and resolve software defects across multiple environments * Collaborate with engineers, operators, and mission stakeholders to deliver mission capabilities * Document technical designs, processes, and solutions in accordance with engineering standards Required Qualifications * Active TS/SCI clearance with Polygraph * In lieu of a degree, 11+ years of directly related experience may be substituted• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical discipline * Minimum 11+ years of software development experience * Strong experience developing applications using Python * Experience with C/C++ programming * Experience troubleshooting and debugging complex software applications * Strong understanding of software development methodologies and secure coding practices Preferred Qualifications * Master's Degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical discipline * Experience with networking protocols, including TCP/IP * Experience with socket-level programming * Experience developing Computer Network Operations (CNO) capabilities * Experience with low-level system internals across Windows, Linux/Unix, Mobile Platforms, or Network Devices * Experience with software analysis and reverse engineering * Experience utilizing Atlassian tools including JIRA, Confluence, and Crucible What We Offer * Competitive compensation package * Comprehensive medical, dental, and vision benefits * 401(k) with company contribution * Professional development and training opportunities Why REDLattice? * Work on challenging, mission-driven cybersecurity problems * Contribute directly to critical national security missions * Join a team of elite engineers, researchers, and innovators * Thrive in a culture that values innovation, collaboration, and technical excellence Equal Employment Opportunity Statement REDLattice is an equal-opportunity employer. We welcome applicants from all backgrounds and do not discriminate on the basis of race, color, religion, gender, age, national origin, veteran status, disability, or any other protected status. Join us at REDLattice and help shape the future of cyber innovation and national security. Apply today!

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