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Senior Python Developer Jobs in Westminster, MD (NOW HIRING)

Senior Systems Engineer

Damascus, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Woodbine, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Damascus, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Gaithersburg, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Monrovia, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Woodbine, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Glenwood, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Gaithersburg, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Glenwood, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Senior Systems Engineer

Monrovia, MD · Hybrid

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Software development/coding experience with programming languages such as Python, Java, and React

Sr Software Engineer

Hunt Valley, MD · On-site

$139K - $230K/yr

Travelers is seeking a Senior Software Engineer to join our organization as we grow and transform ... Experience programming with Python and .NET * Familiar with GenAI, coding assistance (GitHub Co ...

Senior Software Engineer

Owings Mills, MD

$116K - $154K/yr

... as Python. * Hands-on experience with AWS cloud services including S3, SQS, Lambda, EC2, ECS ... Developer Services Engineering locations 2 Locations time type Full time posted on Posted 5 Days ...

Senior Software Engineer

Owings Mills, MD

$116K - $154K/yr

... or Python or NodeJS, knowledge of automated testing of data a plus. Requires skills: * Latest Java- Streams API, Java Lambdas, Java Generics * AWS (Amazon Web Services) certified (Developer or ...

Senior Software Engineer

Owings Mills, MD · On-site

$116K - $154K/yr

We are seeking a Senior Software Engineer with strong experience delivering AWS-based applications ... as Python. * Hands-on experience with AWS cloud services including S3, SQS, Lambda, EC2, ECS ...

... senior developer to create custom analytics to perform at scale. The software engineer will work ... Strong experience with Jupyter Notebooks, Java MapReduce, Python PySpark. Strong experience with ...

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Showing results 1-20

Senior Python Developer information

See Westminster, MD salary details

$52.9K

$136.4K

$187.4K

How much do senior python developer jobs pay per year?

As of Jun 19, 2026, the average yearly pay for senior python developer in Westminster, MD is $136,434.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,800.00 and $157,100.00 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 cities near Westminster, MD are hiring for Senior Python Developer jobs? Cities near Westminster, MD with the most Senior Python Developer job openings:
Infographic showing various Senior Python Developer job openings in Westminster, MD as of June 2026, with employment types broken down into 66% Full Time, 28% Part Time, 3% Temporary, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $136,434 per year, or $65.6 per hour.
Senior Systems Engineer

Senior Systems Engineer

Leidos

Damascus, MD • Hybrid

$131K - $237K/yr

Full-time

Medical, Retirement, PTO

Posted 2 days ago


Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

56th of 428 rated business services


Job description

Description

Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.

Leidos has an exciting opening for you as our next TS/SCI Senior Systems Engineer supporting DIA’s National Digital Exploitation and OSINT Center (NDOC) (formerly NMEC) under our 10-year DOMEX Technology Platform (DTP) contract. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering tasks to include requirements analysis, feature, system and interface design, system integration, system testing, as well as working with the SE team in support of Model Based Systems Engineering (MBSE) and all associated documentation. You will also take on the role as a scrum master to lead a software development team while managing risks, escalating impediments, and helping to drive continuous process improvement. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. Percentage of remote work will vary based on client requirements/deliverables.

As a senior member of the team, you bring deep expertise in Systems Engineering (SE) and will work closely with Systems Engineers, Software Engineers, Architects as well as Government counterparts on the following key tasks:

  • Technical support, coordination, and execution of systems engineering activities such as feature/requirements analysis, design, implementation planning, integration and test, sustainment, documentation, deployment, and system assessment

  • Perform systems engineering tasks within time-boxed (e.g., Agile) sprints and releases. Support sprint and release planning activities as well as the creation of and/or input to work tickets (e.g., Gitlab issues) as well as program/system documentation using collaboration software (e.g., Gitlab wiki)

  • Support and employ MBSE approach for systems planning, design, execution, and sustainment in coordination with the Lead SE and SE team members

  • Help to define processes for technical platforms, system specifications, input/output and working parameters for hardware and/or software compatibility

  • Assist in establishing SE processes and tools to accomplish analysis, problem diagnosis and solution design, integration and test preparation, risk assessment and mitigation planning, and related activities

  • Manage a scrum team performing development activities across the microservices and support system architectures

You are rigorous while having the ability to work well with people from different disciplines with varying degrees of technical experience. You bring leaderships skills and enthusiasm and meet the following qualifications:

  • BS in Engineering, Computer Science, Systems Engineering, or related field or equivalent experience with 12+ years in software development, system engineering or related field. Additional years of experience in lieu of degree are acceptable.

  • Must have an active Top Secret//SCI security clearance with the ability to obtain and maintain a Polygraph.

  • Experience with creating design packages and workflows

  • Experience in writing technical solutions and whitepapers

  • Experience implementing key Agile processes and techniques

  • Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo)

  • Experience with Gitlab (workflow), JIRA, Confluence, or similar tools

  • Excellent verbal and written communication skills

  • Familiarity with a MBSE approach and tools or experience with framework/approach like MBSE

You will wow us even more if you have some of these skills:

  • Software development/coding experience with programming languages such as Python, Java, and React

  • Experience with database systems, search engines, model view controller (MVC); web applications

  • Experience in a Red Hat, Centos or Oracle Linux

  • Experience with big data applications

  • Scaled Agile Framework certification (SAFe Agilist or other)

  • Familiarity with continuous integration/continuous development tools (Jenkins, Bamboo, or equivalent)

#NMECDTP-All

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:April 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.


What Leidos employees say

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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