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Senior Backend Python Jobs in Virginia (NOW HIRING)

Aretum

Senior Python Developer

Mclean, VA · On-site +1

$122.80K - $165.30K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application ... Work on front-end and back-end code * Mentor peers and junior developers in Python design * Build ...

Aretum

Senior Python Developer

Mclean, VA · Remote

$122.80K - $165.30K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application ... Work on front-end and back-end code * Mentor peers and junior developers in Python design * Build ...

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 ...

Leidos

Backend Software Engineer

Alexandria, VA

$107.90K - $195.05K/yr

... Python development, and mission‑driven systems , and you're ready for work that actually moves ... If you take pride in your craft, write your own résumé, and deliver results that senior leaders ...

Leidos

Backend Software Engineer

Alexandria, VA

$107.90K - $195.05K/yr

If you've spent the last few years building your expertise in backend engineering, Java or Python ... If you take pride in your craft, write your own resume, and deliver results that senior leaders ...

Aretum

Java Backend Developer - Contingent

Mclean, VA · On-site

$51 - $66.25/hr

... assisting senior Applications Engineers and Application Programmers in interpreting software ... Contribute to Python backend services where the team's work requires it, applying the same ...

Aretum

Java Backend Developer - Contingent

Mclean, VA · On-site +1

$51 - $66.25/hr

... assisting senior Applications Engineers and Application Programmers in interpreting software ... Contribute to Python backend services where the team's work requires it, applying the same ...

DXC Technology

Python Software Developer

Ashburn, VA · On-site

$51.50 - $70.75/hr

We need a Python-focused Software Engineer who brings depth on the backend and can reach across the stack when the work demands it. You'll collaborate directly with our Lead Architect and Senior ...

Unisys

Python Developer

Reston, VA

$52.25 - $72/hr

We are seeking a Senior Python Developer to support the design, development, and scaling of cloud ... Skills: Strong proficiency in Python and backend frameworks such as FastAPI, Flask Proven ...

Leidos

Mid-Level Backend Software Engineer

Alexandria, VA

$87.10K - $157.45K/yr

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... Design, develop, test, and maintain backend application components using Java or Python * REST API ...

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Senior Backend Python information

What are the key skills and qualifications needed to thrive as a Senior Backend Python Developer, and why are they important?

To thrive as a Senior Backend Python Developer, you need expertise in Python programming, strong knowledge of backend frameworks (such as Django or Flask), and experience with database management, often backed by a degree in computer science or equivalent experience. Familiarity with version control systems like Git, containerization tools like Docker, cloud platforms (e.g., AWS), and possibly certifications in cloud or Python technologies are common requirements. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers help set top performers apart. These competencies ensure the development of robust, scalable, and maintainable backend systems that support business objectives.

What are some common challenges Senior Backend Python developers face when working on large-scale systems?

Senior Backend Python developers working on large-scale systems often encounter challenges such as ensuring application scalability, maintaining code quality across distributed teams, and optimizing performance for high traffic. Balancing the integration of new features with legacy system constraints can also be demanding. Effective communication and collaboration with frontend teams, DevOps, and product managers are crucial for delivering reliable and maintainable backend solutions.

What does a Senior Backend Python Developer do?

A Senior Backend Python Developer designs, builds, and maintains the server-side logic of web applications using Python. They are responsible for creating robust APIs, optimizing databases, ensuring application security, and integrating third-party services. In addition, they often mentor junior developers, contribute to architectural decisions, and collaborate closely with frontend and DevOps teams. Their work ensures that applications are scalable, reliable, and efficient. Senior developers typically have several years of experience and deep knowledge of Python frameworks like Django or Flask.

What is the difference between Senior Backend Python vs Backend Developer?

AspectSenior Backend PythonBackend Developer
Required CredentialsBachelor's in CS or related, 5+ years experience, Python expertiseBachelor's in CS or related, 2-4 years experience, Python knowledge
Work EnvironmentTech companies, startups, enterprise systemsTech firms, startups, software agencies
Employer & Industry UsageUsed across industries requiring scalable backend solutionsCommon in web development and software services
Search & Comparison IntentUnderstanding senior roles, responsibilities, salaryEntry to mid-level backend roles, skill requirements

Senior Backend Python professionals typically have more experience, advanced skills, and leadership responsibilities compared to Backend Developers. They often work on complex systems, mentor junior staff, and have a broader understanding of architecture. Backend Developers focus on building and maintaining backend services with less emphasis on leadership or strategic planning.

What are the most commonly searched types of Backend Python jobs in Virginia? The most popular types of Backend Python jobs in Virginia are:
What are popular job titles related to Senior Backend Python jobs in Virginia? For Senior Backend Python jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Senior Backend Python jobs in Virginia look for? The top searched job categories for Senior Backend Python jobs in Virginia are:
What cities in Virginia are hiring for Senior Backend Python jobs? Cities in Virginia with the most Senior Backend Python job openings:
Senior Backend Python jobs near you

Senior Python Developer

Aretum

Mclean, VA • On-site, Remote

$122.80K - $165.30K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago

Job description

Public Trust Eligibility Required
About Aretum
Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront.
Job Summary
Aretum is seeking a skilled and motivated Senior Python Developer. As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems.
Due to the nature of our work as a federal consulting organization, employees may be expected to handle Controlled Unclassified Information (CUI) and must adhere to applicable safeguarding and compliance requirements.
Responsibilities
  • Work cross-functionally in an Agile environment
  • Build FastAPIs for the display of content
  • Create microservices
  • Work on front-end and back-end code
  • Mentor peers and junior developers in Python design
  • Build ETL processes
  • Work in a highly collaborative environment
  • Juggle multiple tasks at once
  • Work independently and collaboratively as needed
  • Utilize interpersonal skills and strong communication skills
  • Work directly with the Project Manager to support emerging client needs

Requirements
  • 8+ years of solid Python development experience
  • 8+ years of overall (OOP) programming experience
  • Bachelor's Degree (or 2 additional years of experience)
  • API development and integration experience
  • Experience with Microservices
  • Experience with JavaScript and JQuery
  • Experience with Search engines, such as Solr or Elasticsearch
  • Experience designing and developing enterprise Web and Search systems
  • Experience with enterprise database technologies, such as Postgres and MySQL
  • Experience building and managing container technologies such as Docker, Podman, Kubernetes, etc.
  • Comfortable with working with open source-based solutions
  • Familiar with enterprise use of Python
  • Expert in continuous integration/continuous delivery solutions
  • Experience with large-scale AWS based solutions and Terraform
  • Agile environment experience

Preferred Qualifications
  • Bachelor's Degree in computer science, engineering or related field
  • Experience with the federal government
  • Experience with FastAPIs (Highly preferred)

Travel Requirements
This is a remote position; however, occasional travel may be required based on project needs, client meetings, team collaboration events, or training sessions. Travel is expected to be less than 10% and will be communicated in advance whenever possible.
EEO Statement
Aretum is committed to fostering a workplace rooted in excellence, integrity, and equal opportunity for all. We adhere to merit-based hiring practices, ensuring that all employment decisions are made based on qualifications, skills, and ability to perform the job, without preference or consideration of factors unrelated to job performance.
As an Equal Opportunity Employer, Aretum complies with all applicable federal, state, and local employment laws.
We are proud to support our nation's veterans and military families, providing career opportunities that honor their service and experience.
If you require reasonable accommodation during the hiring process due to a disability, please contact hr@aretum.com for assistance.
Equal Opportunity Employer/Veterans/Disabled
U.S. Work Authorization
Applicants must be U.S. citizens or currently authorized to work in the United States on a full-time basis. This position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency's background investigation requirements. Sponsorship is not available.
Benefits
  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • Family Leave (Maternity, Paternity)
  • Short Term & Long-Term Disability
  • Training & Development

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