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Sr Backend Python Developer Jobs (NOW HIRING)

Python Developer Location: Remote Duration: 12+ Months Contract We are seeking a Backend Python Developer with 4+ years of experience building and supporting scalable backend applications. Key Skills:

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J0726-1876 Employment Type: Full Time Position Description: We're growing rapidly and are looking for a Senior Backend Developer with Python Application Developer experience. At CGI, you'll make an ...

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We are seeking an experienced Backend Python Developer with strong expertise in building scalable backend systems, developing high‐quality APIs, and deploying cloud‐native applications. The ideal ...

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We are seeking an experienced Backend Python Developer with strong expertise in building scalable backend systems, developing high‐quality APIs, and deploying cloud‐native applications. The ideal ...

Python Backend Developer Hybrid for NYC Long term Contract Job Summary We are looking for an experienced Python Backend Developer to design, develop, and maintain scalable backend applications and ...

Python Developer

Richmond, VA · On-site

$49.75 - $68.50/hr

Python Developer Location : Can sit out out Mclean, VA, Richmond, VA, or Plano, TX three times a ... Back End: Python AWS: Lambdas required ECS containers and cluster experience required DynamoDB ...

Senior Backend Developer Location: Remote - Pennsylvania (PA) Client: Vanguard Duration: Long-Term ... Python * Strong backend development experience Requirements * 8+ years of professional software ...

Preferable experience with Twilio, Flight Aware, Python, Tableau, Power BI. REQUIRED SKILLS * Our client is looking for a Sr backend .NET engineer with about 8+ years of experience * targeting a ...

Mentor and guide backend engineers, driving engineering excellence across the team. * Engage in ... Python, javascript, SQL, REST API * OAUTH 2 * Docker * Database: PostgreSQL (advanced -- schema ...

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Sr Backend Python Developer information

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$16K

$148.2K

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How much do sr backend python developer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for sr backend python developer in the United States is $148,233.00, according to ZipRecruiter salary data. Most workers in this role earn between $145,500.00 and $167,500.00 per year, depending on experience, location, and employer.

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

AspectSr Backend Python DeveloperBackend Python Developer
Required Experience5+ years, leadership skills1-3 years, technical skills
ResponsibilitiesDesigning architecture, mentoringImplementing features, coding
CertificationsOptional, often relevantOptional
Work EnvironmentTeam leadership, project planningDevelopment, coding tasks

The main difference between a Sr Backend Python Developer and a Backend Python Developer lies in experience, responsibilities, and leadership roles. Senior developers typically have more experience, oversee architecture, and mentor junior staff, while backend developers focus on coding and feature implementation. Both roles are essential in Python-based backend development within tech companies and share similar technical requirements.

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Senior Backend Python Developer

Lyteforge Technologies LLC

Mclean, VA • On-site

$127K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 11 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