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

Software Technology Inc

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Python Developer Hybrid - Onsite in McLean Tuesday through Thursday. Must Haves: Full stack developer, emphasis on front end but back end database work is also present. Python w/ Pandas, React or ...

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Detailed Python Full Stack Developer Location: (Fully Onsite), Mclean, VA 22102 Duration: 6 months + Extensions Responsibilities: * Refactor and modernize existing components of an ETL application to ...

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Master's degree in Computer Science, Software Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other popular Python libraries * Java * Testing frameworks such as ...

Leidos

Senior Python Developer

Columbia, MD · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Falls Church, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Columbia, MD · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

ICONMA

Senior Python Developer (AI)

Mclean, VA · On-site

$123K - $165K/yr

ICONMA is seeking a Senior Python Developer (AI) for their client in the Real Estate and Financial Services sector located in McLean, VA. The role involves end-to-end software development ...

Samprasoft

Sr. Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

Python Developer Duration: 6-12 Months (Possible Extension or Conversion) Location: McLean, VA (Hybrid) * This team does integration with third party tools like other SaaS/COTS Products * Need ...

CGI

Senior Python Developer with Spark

Reston, VA · On-site

$126K - $170K/yr

We are seeking a Senior Python Developer with Spark skills to design, build, and optimize large-scale data processing systems in a cloud-native AWS environment. This role focuses heavily on ...

Saxon Global

Sr. Python Developer

Washington, DC · On-site

$137K - $185K/yr

Job Title Design & build production-grade services and APIs (FastAPI / Django / Flask) using clean, well-tested Python. Architect scalable systems (microservices, event-driven patterns, async I/O ...

Intone

Sr. Python w. Ai

Mclean, VA · On-site

$123K - $165K/yr

Job Summary : Intone is seeking a Senior Python Developer with expertise in AI. The role involves building and deploying agentic AI applications and requires strong Python skills along with ...

New

WorkNova LLC

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Position Summary The Senior Python Developer will design, develop, test, and implement cloud native applications, data pipelines, and backend services within AWS. The role requires strong Python ...

Samprasoft

Senior Python Developer | McLean,VA

Mclean, VA · On-site

$124K - $167K/yr

Python Developer Position This position may be offered to a candidate authorized to work in the US for his/her/their stated employer, without any restrictions which would prevent the candidate from ...

Samprasoft

Sr. Python Developer | McLean, VA

Mclean, VA · On-site

$124K - $167K/yr

Python Developer This position may be offered to a candidate authorized to work in the US for his/her/their stated employer, without any restrictions which would prevent the candidate from working on ...

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All JobsSenior Python Developer JobsSenior Python Developer Jobs in Greenbelt, MD

Senior Python Developer information

See Greenbelt, MD salary details

$55.4K

$143.1K

$196.5K

How much do senior python developer jobs pay per year?

As of Jun 26, 2026, the average yearly pay for senior python developer in Greenbelt, MD is $143,070.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,400.00 and $164,800.00 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 Greenbelt, MD? The most popular types of Python Developer jobs in Greenbelt, MD are:
What are popular job titles related to Senior Python Developer jobs in Greenbelt, MD? For Senior Python Developer jobs in Greenbelt, MD, the most frequently searched job titles are:
What cities near Greenbelt, MD are hiring for Senior Python Developer jobs? Cities near Greenbelt, MD with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Senior Python Developer

Senior Python Developer

Software Technology Inc

Mclean, VA • On-site

$124K - $167K/yr

Other

Posted 9 days ago

Job description

Python Developer

Hybrid - Onsite in McLean Tuesday through Thursday.

Must Haves: Full stack developer, emphasis on front end but back end database work is also present. Python w/ Pandas, React or Angular, SQL. Must have hands on experience in an Agile environment, specifically with two-week sprints.

Schedule: Standard 40 Hours

Shortlisting Deadline: 3/24 Interview Information - Rounds: 2 Rounds. Duration: 1st - 15 Minutes (Technical Screen), 2nd - 30 Minutes (Final)

Additional Notes: MS Teams, Video Mandatory Scheduling: Targeting 1st round on 3/31. 2nd Round will be scheduled on 4/4, vendors will be informed of which candidates will be moving forward to 2nd round on debrief call scheduled for 4/3.

Supplier Vetting Questions - *Please include answers to these question at the top of candidate resume. Submittals without answers will not be considered.

Candidate responses will not be accepted via email. Additions or alterations to answers will not be accepted *

1) In your opinion, what makes a good developer (system admin)? What makes a bad one?

2) Please describe the most challenging situation you've encountered at work. What made it challenging? How did you resolve it?

3) What is your ideal process for delivering a solution to your customers?

What do you do to ensure you'll delight your customers with your solution? Are you a developer, with a passion for delivering end to end technical solutions? Do you excel in an agile and business focused organization? Have you successfully delivered the right solution to your end users? If you have successfully delivered products and implemented just-in-time solutions and delighted users, then we have a destination for you: the Investments and Capital Markets division of Freddie Mac. We are looking for a user centric full-stack developer to develop Python and React (or Angular) based solutions for operational metrics reporting application. You will join ICMs TechOps team to build applications that integrate with enterprise technical operational APIs and file based datastores.

Your deliverables Must Have Qualifications 1. 3yrs+ experience of database schema design and data normalization 2. 3yrs+ experience of Python with Pandas 3. 3yrs+ experience of designing and implementing ETL processes 4. 2yrs+ experience of frontend development using either React or Angular with full versatility with data visualization libraries 5. Experience of working in an Agile environment with two-week sprints 6. Ability to work in a team and independently Nice to Have * Working knowledge of Docker with an ability to create Docker images and manage containers * Experience of test-driven development * Experience of development under Linux

Required Skills : Python, Pandas/Numpys, Front-end technologies focused but also some backend is fine too as long as they have good front end experience.

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