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

Senior DevOps Engineer

Oaks, PA · Hybrid

$133K - $170.80K/yr

SEI is looking for a Senior DevOps Engineer to join our Enterprise AI team. This role is about ... Prototype fast : build rapid POCs in Python to validate architecture, derisk decisions, and ...

AWS DevOps Engineer

Malvern, PA · On-site

$51.75 - $71/hr

... Senior DevOps Engineer specializing in AWS cloud services, fraud prevention, and Customer Identity ... Experience in Python and Java development * Experience with Bamboo/Github/jenkins pipeline

Senior Developer

Newtown Square, PA · On-site

$153.36K - $195.98K/yr

Senior Developer Location: Newtown Square, PA Work Model: Hybrid work model Purpose and Objective ... Programming languages including Java and Python; * Front end coding, including HTML5, CSS, and ...

Senior Developer

Newtown Square, PA · On-site

$153.36K - $195.98K/yr

Senior Developer Location: Newtown Square, PA Work Model: Hybrid work model Purpose and Objective ... Programming languages including Java and Python; * Front end coding, including HTML5, CSS, and ...

Senior DevOps Engineer - Cyber

Philadelphia, PA · On-site +1

$131.20K - $168.50K/yr

... Job Summary As a Senior DevOps Engineer - Cyber, you'll play a critical role in securing ... Develops and maintain security automation tools, scripts, and integrations using Python, SQL, and ...

Senior Software Developer

Philadelphia, PA · On-site

$49.25K - $67.50K/yr

The Senior Software Developer provides senior-level software development expertise for a grant ... Python and/or JavaScript-based development • Demonstrated ability to securely handle project data ...

Proven expertise in at least one scripting language, such as Bash, Python, or Go. * Experience of holding a Technical Lead / Senior role or mentoring a small team of engineers. Ability to make good ...

Senior DevOps Engineer - Cyber

Philadelphia, PA · On-site +1

$131.20K - $168.50K/yr

... Job Summary As a Senior DevOps Engineer - Cyber, you'll play a critical role in securing ... Develops and maintain security automation tools, scripts, and integrations using Python, SQL, and ...

Proven expertise in at least one scripting language, such as Bash, Python, or Go. * Experience of holding a Technical Lead / Senior role or mentoring a small team of engineers. Ability to make good ...

Senior Developer

Allentown, PA · Hybrid

$53.75 - $71/hr

The developer dabbles in emerging technologies (e.g., machine learning, internet of things and ... as C#, Java, Python etc. * Experience with SAP ABAP. * Excitement, curiosity, and passion for ...

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Showing results 1-20

Senior Python Developer information

See Chalfont, PA salary details

$53.2K

$137.3K

$188.6K

How much do senior python developer jobs pay per year?

As of May 29, 2026, the average yearly pay for senior python developer in Chalfont, PA is $137,330.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,500.00 and $158,100.00 per year, depending on experience, location, and employer.

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 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 cities near Chalfont, PA are hiring for Senior Python Developer jobs? Cities near Chalfont, PA with the most Senior Python Developer job openings:
Infographic showing various Senior Python Developer job openings in Chalfont, PA as of May 2026, with employment types broken down into 81% Full Time, 11% Part Time, and 8% Contract. Highlights an 92% Physical, 5% Hybrid, and 3% Remote job distribution, with an average salary of $137,330 per year, or $66 per hour.
Sr. Scientist, Stat. Programming - SDTM (Hybrid)

Sr. Scientist, Stat. Programming - SDTM (Hybrid)

MSD

North Wales, PA

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago


Job description

Job Description

In BARDS (Biostatistics and Research Decision Sciences), a distinguished department within our renowned Research and Development division, quantitative scientists, in partnership with other subject matter experts, apply state-of-the art scientific methodologies and tools to enable the discovery, development, regulatory approval, manufacturing, and marketing of medical drugs and vaccines for the benefit of patients and global human health.

Responsibilities:

The Senior Statistical Programmer, Submission Data Standards Quality Management (SDSQM), provides oversight and quality management of submission data standard deliverables for world-wide regulatory application submissions of drug and vaccine clinical development projects. Accountability predominantly includes submission data standards planning activities, coaching and consulting with project teams, outreach to external vendors and partners, and keeping current with industry submission data standards including SDTM, ADaM, clinical site data for CDER inspection planning, etc.

The incumbent will be responsible for continuous improvement of our electronic submission process and providing tools and templates to support delivery focusing on traceability, quality assurance, data conformance and data fitness. The position is a key collaborator with statistical programming, statistics, regulatory and other project stakeholders.

Primary Activities:

  • PreNDA and PreBLA meeting preparation, study data standards plan, preparing questions for FDA e-data mailboxes (CBER/CDER), attendance at meetings with regulatory agencies (FDA, EMA, PMDA),

  • Guiding project teams preparing submission deliverables including use of Pinnacle 21 Enterprise,

  • Up-versioning activities to specific versions of SDTM

  • Participation in industry teams and conferences on best practices

  • Membership on departmental strategic initiative project teams

Education and Minimum Requirement:

  • BA/BS in Computer Science, Statistics, Applied Mathematics, Life Sciences, Engineering or related field plus 5 years SAS programming experience in a clinical trial environment

  • MS in Computer Science, Statistics, Applied Mathematics, Life Sciences, Engineering or related field plus 3 years SAS programming experience in a clinical trial environment

Department Required Skills and Experience:

  • Effective interpersonal skills and ability to negotiate and collaborate effectively

  • Effective written, oral, and presentation skills

  • Effective knowledge and experience in developing analysis and reporting deliverables for R&D projects (data, analyses, tables, graphics, listings)

  • A project leader; completes tasks independently at a project level; ability to collaborate with key stakeholder

Position Specific Required Skills and Experience:

  • US and/or worldwide drug or vaccine regulatory application submission experience including the development of electronic submission deliverables

  • Experience with submission standards CDISC (SDTM, ADaM), Define.XML, cSDRG, ADRG

  • Demonstrated success in the assurance of deliverable quality and process compliance.

  • Excels in technical writing, able to convert complex ideas and information into simple readable form

  • Solid project management skills

  • Familiarity with clinical data management concepts

  • Strategic thinking - ability to turn strategy into tactical activities

  • Ability to anticipate stakeholder requirements

** Preferred Skills and Experience:

  • Hands-on experience with R and Python for data analysis and statistical modeling

  • Strong working knowledge of reporting processes (SOPs) and software development life-cycle (SDLC)

  • Experience assuring consistency across protocols and projects

  • Ability and interest to work across cultures and geographies

  • Ability to complete statistical programming deliverables through the use of global outsource partner programming staff

  • Experience developing and managing a project plan using Microsoft Project or similar package

  • Active in professional societies

  • Experience in process improvement

eligibleforERP

SPjobs

BARDS2020

VETJOBS

EBRG

Required Skills:

Clinical Trials, Computer Programming, Computer Science, Data Management, Data Modeling, Electronic Submissions, Microsoft Project, Numerical Analysis, Process Improvements, Project Management, Regulatory Compliance, SDTM Mapping, Stakeholder Relationship Management, Statistical Programming, Strategic Thinking, Study Data Tabulation Model (SDTM), Technical Writing, Waterfall Model

Preferred Skills:

Python (Programming Language), R Programming

Current Employees apply HERE

Current Contingent Workers apply HERE

US and Puerto Rico Residents Only:

Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here if you need an accommodation during the application or hiring process.

As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics.As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities. For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit:

EEOC Know Your Rights

EEOC GINA Supplement

We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another's thinking and approach problems collectively.

Learn more about your rights, including under California, Colorado and other US State Acts

The salary range for this role is

$117,000.00 - $184,200.00

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee's position within the salary range will be based on several factors including, but not limited to relevant education, qualifications, certifications, experience, skills, geographic location, government requirements, and business or organizational needs.

The successful candidate will be eligible for annual bonus and long-term incentive, if applicable.

We offer a comprehensive package of benefits. Available benefits include medical, dental, vision healthcare and other insurance benefits (for employee and family), retirement benefits, including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at https://jobs.merck.com/us/en/compensation-and-benefits.

You can apply for this role through https://jobs.merck.com/us/en (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting.

San Francisco Residents Only:We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance

Los Angeles Residents Only:We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance

Search Firm Representatives Please Read Carefully
Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status:

Regular

Relocation:

Domestic

VISA Sponsorship:

Yes

Travel Requirements:

10%

Flexible Work Arrangements:

Hybrid

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

06/11/2026

*A job posting is effective until 11:59:59PM on the day BEFOREthe listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.