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

System One

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Senior Developer (Python/Database) (US citizenship, ONSITE)

Washington, DC · On-site

$137K - $185K/yr

Senior Application Developer (Python/Database) Washington, DC - onsite, some remote work is possible Per Federal contract U.S. Citizenship Required Must be able to pass enhanced background screen ...

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Comcast

Sr. Python Engineer, Agentic AI

Washington, DC

$168K - $252K/yr

What We're Looking For Senior Backend Engineering Depth Extensive experience designing, building, and operating backend systems in Python, including asynchronous frameworks (FastAPI, asyncio) and ...

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All JobsPython Developer 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 Jul 18, 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 job categories do people searching Senior Python Developer jobs in Greenbelt, MD look for? The top searched job categories for Senior Python Developer jobs in Greenbelt, MD 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
Software Engineer - Python

Software Engineer - Python

Interclypse, Inc.

Annapolis Junction, MD

$55.25 - $76/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Job description

Description

Interclypse is seeking a Senior Python Developer to support a federal agency's migration from a legacy OpenVMS/Itanium server infrastructure and DCL scripting environment to a modern Python-based middleware platform. You will work as part of a small, senior developer team under the agency's technical direction, writing production-quality Python code within a disciplined Agile/DevSecOps framework. This is a Firm-Fixed-Price engagement - we expect self-directed professionals who take ownership of deliverables and meet acceptance criteria without heavy management oversight.nt.


Key Responsibilities

Develop Python/FastAPI middleware services that replace legacy OpenVMS DCL script processing, including POLLVAX, TO_FDSYS, and other identified batch scripts

Build file processing pipelines, data routing engines, hot folder watchers, and workflow management components

Implement a dual-mode delivery system supporting both legacy share emulation and modern REST API access

Develop SSO-integrated authentication and authorization, user and role management, and audit logging

Create Axway FTP server integration for congressional file intake and Windows NAS connectivity for file storage

Build task queuing systems, database integration for metadata tracking, and event-driven processing with real-time file monitoring

Implement automated backup, error recovery/retry mechanisms, and performance optimization for concurrent client connections

Design and execute a comprehensive testing framework including unit, integration, and UAT automated test suites

Participate in 2-week Agile sprints, bi-weekly demos, and DevSecOps gates under agency direction

Contribute to monthly status reports, development logs, sprint code releases, and support documentation

Requirements

Interclypse provides a uniquely cultivating environment where mentorship and continued learning create extraordinary professionals. Our goal is to empower our talent by putting you in the driver's seat of your career.

Software Engineering candidates have experience working in team environments, building software solutions for customers, and are looking to take their careers to the next level. Familiarity with the following tech stacks below is great but not a requirement.


Required Qualifications

Develop Python/FastAPI middleware services that replace legacy OpenVMS DCL script processing, including POLLVAX, TO_FDSYS, and other identified batch scripts

Build file processing pipelines, data routing engines, hot folder watchers, and workflow management components

Implement a dual-mode delivery system supporting both legacy share emulation and modern REST API access

Develop SSO-integrated authentication and authorization, user and role management, and audit logging

Create Axway FTP server integration for congressional file intake and Windows NAS connectivity for file storage

Build task queuing systems, database integration for metadata tracking, and event-driven processing with real-time file monitoring

Implement automated backup, error recovery/retry mechanisms, and performance optimization for concurrent client connections

Design and execute a comprehensive testing framework including unit, integration, and UAT automated test suites

Participate in 2-week Agile sprints, bi-weekly demos, and DevSecOps gates under agency direction

Contribute to monthly status reports, development logs, sprint code releases, and support documentation


Preferred Qualifications

Develop Python/FastAPI middleware services that replace legacy OpenVMS DCL script processing, including POLLVAX, TO_FDSYS, and other identified batch scripts

Build file processing pipelines, data routing engines, hot folder watchers, and workflow management components

Implement a dual-mode delivery system supporting both legacy share emulation and modern REST API access

Develop SSO-integrated authentication and authorization, user and role management, and audit logging

Create Axway FTP server integration for congressional file intake and Windows NAS connectivity for file storage

Build task queuing systems, database integration for metadata tracking, and event-driven processing with real-time file monitoring

Implement automated backup, error recovery/retry mechanisms, and performance optimization for concurrent client connections

Design and execute a comprehensive testing framework including unit, integration, and UAT automated test suites

Participate in 2-week Agile sprints, bi-weekly demos, and DevSecOps gates under agency direction

Contribute to monthly status reports, development logs, sprint code releases, and support documentation

Our favorite candidates are resilient problem solvers, cooperative teammates, and passionate innovators.


Why You Might Like This Job:

  • You're tired of working for a massive organization.
  • You want to work for an established company that values your stable career.
  • You want to work with a team that loves their job and making cool stuff.
  • You want to be part of a team focused on making a positive impact.
  • You want to grow your skills in management or work toward becoming an expert.
  • You want to have the option for career mentorship, both in technology and in business.
  • You value a company with a strong culture of growth and support

Benefits:

  • Employee Impact Program. Every employee has the opportunity to define and get rewarded for their contributions they can make toward the long-term health of the company, customer, and employee. This program in combination with our comprehensive time off and leave programs allow you to design a career and compensation program that enables near infinite flexibility while ensuring both company, customer, and individual health and prosperity.
  • Comprehensive time off and leave programs:
    • 31 Days (248 hours) of Paid Personal Time Off (PTO) for any vacation, holidays, illnesses, and birthdays
    • Parental Leave: 40 Hours
    • Bereavement Leave: 24 hours.
    • Military Reserve Leave (up to 80 hours, see employee handbook for details).
    • Jury Duty Leave 16 hours.
  • Retirement: Unlimited 401K match up to 8% of your salary up to the federal maximum
  • Health Insurance (Medical, Dental, Vision): Premium is 100% company paid (contact us for specific plan details).
  • Health Savings Account (HSA): Interclypse contributes $750 for individuals and $1500 for families
  • Vision Insurance
  • Dental Insurance includes orthodontics coverage
  • Life Insurance
  • Accidental Death and Dismemberment Insurance
  • Disability: Short-term and long-term disability coverage
  • Educational support: reimbursement up to the federal max of $5,250
  • Company apparel: $200 for company apparel each year
  • Social events: Holiday Party, Spring Picnic, Fall Picnic, happy hours and more

Interclypse isn't your typical company. We strive to have a positive & transformational impact on our community, our industry, and individuals. We keep this focus through our motto: "Doing What is Right". Apply today to see how you can join our winning team and start down the career path that's right for you!


EOE AA M/F/Vet/Disability:

Interclypse is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

Related terms and topics: Java, Software Development, Computer Programming, Software Engineering, C++, Design Patterns, Enterprise Integration Patterns

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