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Senior Backend Python Jobs in Washington (NOW HIRING)

Senior Backend Developer

Vienna, VA

$120.90K - $157.10K/yr

Req ID: 40538 Summary Senior Backend Developer Vienna, VA Are you ready to enhance your skills and ... Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ...

Senior Backend Developer

Vienna, VA · On-site

$120.90K - $157.10K/yr

Summary Senior Backend Developer Vienna, VA Are you ready to enhance your skills and build your ... Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ...

Senior Back-End Developer

VA · On-site +1

$120.90K - $157.10K/yr

The Senior Back-End Developer provides subject matter proficiency for work described in the task ... in Python and PostgreSQL. - 5 years of experience with bug tracking software (e.g., Jira). - 5 ...

JOB SUMMARY: We're looking for a Senior Backend Engineer with deep Django and API experience to ... Django & Python * Deep experience building production Django apps * Strong knowledge of Django REST ...

JOB SUMMARY: We're looking for a Senior Backend Engineer with deep Django and API experience to ... Django & Python * Deep experience building production Django apps * Strong knowledge of Django REST ...

Senior Backend Programmer

Rockville, MD · On-site

$122.80K - $159.50K/yr

In your role as Senior Backend Programmer , you will... * Help architect, build, and maintain cloud ... Proficiency with Python or C# Microservice architectures * Proficiency in how to build multi ...

Senior Back End Developer

VA · On-site +1

$120.90K - $157.10K/yr

General information Job Posting Title Senior Back End Developer Date Thursday, April 23, 2026 City ... in Python and PostgreSQL. - 5 years of experience with bug tracking software (e.g., Jira). - 5 ...

Senior Back End Developer

VA · On-site +1

$120.90K - $157.10K/yr

General information Job Posting Title Senior Back End Developer Date Thursday, May 14, 2026 City ... in Python and PostgreSQL. - 5 years of experience with bug tracking software (e.g., Jira). - 5 ...

Senior Back End Developer

Fort George G Meade, MD · On-site

$133.60K - $173.60K/yr

General information Job Posting Title Senior Back End Developer Date Friday, May 1, 2026 City Fort ... in Python and PostgreSQL. - 5 years of experience with bug tracking software (e.g., Jira). - 5 ...

Senior Back End Developer

VA · On-site +1

$120.90K - $157.10K/yr

General information Job Posting Title Senior Back End Developer Date Friday, May 8, 2026 City ... in Python and PostgreSQL. - 5 years of experience with bug tracking software (e.g., Jira). - 5 ...

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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 cities in Washington are hiring for Senior Backend Python jobs? Cities in Washington with the most Senior Backend Python job openings:

Senior Backend Python Developer

Lyteforge Technologies LLC

Mclean, VA • On-site

$127K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 16 days ago


Job description

Our organization is a unique software development company based in McLean, Virginia, dedicated to providing top-tier solutions to defend the United States and its businesses.

We are seeking a highly skilled and passionate Senior Backend Python Developer who embodies our commitment to excellence and is driven to "do it right." This is a long-term opportunity for serious professionals who meet our stringent requirements and are eager to contribute to our critical mission. Compensation will be commensurate with experience, and we offer significant opportunities for professional growth and advancement within our best-of-the-best team.

DESCRIPTION:

We are seeking a highly skilled and experienced Senior Backend Python Developer to lead the development and architecture of robust and scalable backend systems for our critical applications. The ideal candidate will possess deep expertise in Python and a proven track record of designing, building, and deploying high-performance backend solutions. This role requires a strong technical leader who can architect complex systems, mentor junior developers, drive best practices, and effectively utilize technologies such as Flask, RESTful APIs, SocketIO, and graph query languages. You will play a pivotal role in ensuring the reliability, scalability, and security of our mission-critical backend infrastructure.

Day-to-day responsibilities and duties include:

  • Lead the design, architecture, and development of scalable and high-performance backend REST APIs using Python and the Flask framework.
  • Architect and implement robust real-time communication featuresutilizing Python and SocketIO for critical application components.
  • Design and implement efficient data models and interactions with graph databases,leveraging expertise in graph query languages (e.g., Cypher, Gremlin, graphql and aql)tooptimizedata retrieval and manipulation.
  • Collaborate closely with frontend developers, architects, and product owners to define and implement comprehensive backend solutions that meet project requirements and ensure seamless integration.
  • Write and maintain clean, well-documented, performant, and scalable Python code, establishing and enforcing coding standards and best practices across the team.
  • Conduct thorough code reviews, providing constructive feedback and ensuring code quality, security, and maintainability.
  • Proactively identify and resolve complex technical challenges, performance bottlenecks, and architectural issues within the backend systems.
  • Stay at the forefront of backend development trends, evaluating and recommending new technologies and approaches to enhance our capabilities and improve system efficiency.
  • Lead and mentor junior backend developers, providing guidance, technical expertise, and fostering their professional growth.
  • Drive the adoption of backend testing best practices, including unit, integration, and end-to-end testing, and ensure adequate test coverage.
  • Collaborate effectively within an agile development environment, participatingin planning, estimation, and architectural discussions.
  • Take ownership of the technical aspects of backend delivery, ensuring adherence to timelines, quality standards, and security requirements.
  • Contribute significantly to the continuous improvement of our development processes, tools, and overall backend architecture.
  • Participate in on-call rotations and troubleshoot production issues as needed.

REQUIREMENTS:

Applicants MUST

- must be able to qualify and maintain security clearance.
- have at least 6 years of Backend Python Developer experience and have a good understanding of professional business environments.

- be very friendly and able to calmly handle clients and staff

- be able to carry themselves in a professional manner

- be punctual, responsible, and reliable

- have good written and verbal communication skills (answering the phone and composing emails in a professional manner)

Benefits / Additional Compensation:

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401k match
  • Paid Time off

Job Type: Full-time

Pay: From $127,000 per year excluding bonus and benefits.

Schedule:

  • The schedule for this position is project driven and can be highly variable depending on project deadlines and the specific needs of the software development teams.
  • Monday to Friday
  • Weekends as needed

Work Location: In person