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Senior Backend Developer Python Jobs in Herndon, VA

VISTA Technology Services

Back-End Developer

Springfield, VA · On-site

$100K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Expertise in one or more back-end programming languages such as Python, Java, C#, Ruby, or Docker, Kubernetes. * Knowledge of server-side frameworks (e.g., Django, Spring, .NET). * Knowledge of ...

Trinity Global Consulting

Backend Developer

Springfield, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop APIs, proxies, and integration services using Node.js and Python * Create and maintain ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

Trinity Global Consulting

Backend Developer

Springfield, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop APIs, proxies, and integration services using Node.js and Python * Create and maintain ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

Spatial Front, Inc

Backend Developer

Arlington, VA · On-site

... Python, or Node.js. • Build and maintain relational and NoSQL database schemas, queries, and ... Computer Science, Engineering, or related field. • 3 years of backend development. • ...

Trinity Global Consulting

Backend Developer

Springfield, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop APIs, proxies, and integration services using Node.js and Python * Create and maintain ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

Urban Legend

Senior Backend Engineer

Alexandria, VA · On-site

They are seeking a Senior Backend Engineer to help build and scale the backend powering their mobile app and web platform, while collaborating closely with engineering leadership on architecture and ...

Blueface Ltd

Sr. Python Engineer, Agentic AI

Washington, DC · On-site

$168.33 - $252.49/hr

This is a backend engineering role first, focused on building scalable, reliable systems that use ... What We're Looking For * Senior Backend Engineering Depth - Extensive experience designing ...

New

Jobsbridge

Back-End Developer

Herndon, VA · On-site

... and secure backend. Work with a small team in an agile environment of engineers to architect ... Python, Ruby, MongoDB, Redis, Go, Linux Understanding of basic CSS design and cross browser ...

VISTA Technology Services

Back-End Developer

Springfield, VA · On-site

$100 - $145/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Expertise in one or more back-end programming languages such as Python, Java, C#, Ruby, or Docker, Kubernetes. * Knowledge of server-side frameworks (e.g., Django, Spring, .NET). * Knowledge of ...

ARETUM

Backend Developer - Contingent

Mclean, VA · On-site

$120K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Backend Developer you will be responsible for providing expert technical support, maintenance ... The ideal candidate leverages strong backend development expertise in Python, AWS, RESTful APIs ...

Chenega MIOS

Mid Backend Developer

Vienna, VA · On-site

Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ... From entry-level employees to senior leaders, we believe theres always room to learn. We offer ...

Chenega MIOS SBU

Mid Backend Developer

Vienna, VA · On-site

As a Mid Backend Developer, you will build software leveraging Esri's products and APIs to develop ... Python • Hands-on experience developing backend services using: JavaScript / Node.js • Hands-on ...

Chenega MIOS

Jr. Backend Developer

Vienna, VA · On-site

Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ... From entry-level employees to senior leaders, we believe theres always room to learn. We offer ...

Aretum

Backend Developer - Contingent

Mclean, VA · On-site +1

$120K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Backend Developer you will be responsible for providing expert technical support, maintenance ... The ideal candidate leverages strong backend development expertise in Python, AWS, RESTful APIs ...

Aretum

Backend Developer - Contingent

Mclean, VA · Remote

$120K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Backend Developer you will be responsible for providing expert technical support, maintenance ... The ideal candidate leverages strong backend development expertise in Python, AWS, RESTful APIs ...

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Showing results 41-60

All JobsBackend Developer Python JobsSenior Backend Developer Python JobsSenior Backend Developer Python Jobs in Herndon, VA

Senior Backend Developer Python information

See Herndon, VA salary details

$16.5K

$152.4K

$196.4K

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

As of Aug 20, 2026, the average yearly pay for senior backend developer python in Herndon, VA is $152,433.00, according to ZipRecruiter salary data. Most workers in this role earn between $149,600.00 and $172,200.00 per year, depending on experience, location, and employer.

What does a senior backend developer Python do?

A Senior Backend Developer Python designs, builds, and maintains the server-side logic and databases for web applications, primarily using the Python programming language. They are responsible for ensuring high performance, responsiveness, and security of applications, integrating with front-end elements, and working closely with other developers and stakeholders. Additionally, they often mentor junior developers, review code, and contribute to architectural decisions to ensure scalable and robust backend systems.

What are the key skills and qualifications needed to thrive as a senior backend developer Python?

To thrive as a Senior Backend Developer Python, you need deep expertise in Python programming, software architecture, and experience with databases and API development, usually supported by a computer science degree and several years of professional coding experience. Familiarity with frameworks like Django or Flask, cloud platforms (e.g., AWS, Azure), and version control systems such as Git is typically expected, along with knowledge of containerization tools like Docker. Strong problem-solving skills, collaboration, and clear communication set top performers apart in this role. These skills ensure the development of robust, scalable backend systems that meet business needs and support seamless integration with other technologies.

What are some common challenges faced by senior backend developers working with Python, and how can they be addressed?

Senior Backend Developers working with Python often encounter challenges such as ensuring high performance and scalability of applications, especially when dealing with large volumes of data or high user traffic. Managing dependencies and maintaining clean, modular codebases can also be demanding in complex projects. These challenges are typically addressed by leveraging advanced Python frameworks, implementing robust testing practices, and collaborating closely with DevOps and frontend teams to optimize system architecture and deployment pipelines. Continuous learning and staying updated with best practices in Python and backend development are also key to overcoming these obstacles.

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

AspectSenior Backend Developer PythonBackend Developer Python
Required Experience5+ years, leadership skills1-3 years, foundational skills
CertificationsRelevant certifications (e.g., AWS, Python)Optional, entry-level certifications
Work EnvironmentDesigning architecture, mentoringImplementing features, coding
ResponsibilitiesSystem design, team coordinationCode development, bug fixing

The main difference between a Senior Backend Developer Python and a Backend Developer Python lies in experience, responsibilities, and leadership. Senior developers typically lead projects and mentor others, while backend developers focus on coding and feature implementation. Both roles require strong Python skills and relevant certifications, but senior roles demand more experience and strategic involvement.

What are the most commonly searched types of Backend Developer Python jobs in Herndon, VA?

The most popular types of Backend Developer Python jobs in Herndon, VA are:

What are popular job titles related to Senior Backend Developer Python jobs in Herndon, VA?

For Senior Backend Developer Python jobs in Herndon, VA, the most frequently searched job titles are:

What job categories do people searching Senior Backend Developer Python jobs in Herndon, VA look for?

The top searched job categories for Senior Backend Developer Python jobs in Herndon, VA are:

What cities near Herndon, VA are hiring for Senior Backend Developer Python jobs?

Cities near Herndon, VA with the most Senior Backend Developer Python job openings:

Senior Backend Developer Python jobs near you
Infographic showing various Senior Backend Developer Python job openings in Herndon, VA as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, and 8% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $152,433 per year, or $73.3 per hour.

Back-End Developer

VISTA Technology Services

Springfield, VA • On-site

$100K - $145K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 22 days ago

Job description

VISTA Technology Services, Inc. (VISTA) is currently seeking a Back-End Developer to support a U.S. Intelligence Agency in Springfield, VA.
This position is contingent upon contract award.
The Back-End Developer will implement, and maintain server-side logic, APIs, and system integration for TSSC applications. Ensure back-end components meet technical requirements, security standards, and support the overall mission objectives.
Responsibilities:
  • Designing, developing, and maintaining server-side applications and APIs
  • Building and managing databases, and ensuring data integrity and security
  • Design and optimize database queries and data access layers
  • Integrate with Government authentication systems and security frameworks
  • Writing clean, efficient, and well-documented code
  • Leading code reviews and promoting best practices in back-end development
  • Implement security controls and ensure compliance with applicable regulations
  • Create and maintain documentation for back-end systems and interfaces
  • Collaborate with front-end developers to ensure seamless integration
  • Coordinate with data engineering team on database design and implementation
  • Provide technical leadership and mentoring to junior developers

Basic Qualifications:
  • Bachelor's degree in Computer Science, Software Engineering, or related field
  • Minimum of 8 years of experience in back-end development
  • Expertise in one or more back-end programming languages such as Python, Java, C#, Ruby, or Docker, Kubernetes.
  • Knowledge of server-side frameworks (e.g., Django, Spring, .NET).
  • Knowledge of database design and optimization techniques
  • Experience with API development and integration
  • Understanding of security best practices for classified environments
  • Experience with authentication and authorization systems (e.g., MongoDB, Cassandra).
  • Experience with API design and development (e.g., REST, GraphQL).
  • Proficiency with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (e.g., Node.js).
  • Strong understanding of database technologies, both SQL (e.g., PostgreSQL, MySQL) and NoSQL
  • Active TS with SCI eligibility

Desired Qualifications:
  • Experience working with classified systems and security requirements
  • Knowledge of TSSC operations and requirements
  • Experience with cloud-based infrastructure and services
  • Understanding of signal processing and data analysis techniques
  • Experience with high-performance computing for data processing
  • Experience with message brokers like Kafka or RabbitMQ
  • Knowledge of caching technologies such as Redis or Memcached
  • Expertise in designing and implementing microservices architectures
  • Proficiency with Infrastructure as Code (aC) tools like Terraform or Ansible
  • Experience with serverless computing (e.g., AWS Lambda, Azure Functions)

Salary at VISTA is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $100,000.00 to $145,000.00 (annualized USD) based on years of experience. The estimate displayed represents the typical salary range for this position and is just one component of VISTA's total compensation package for employees. We also offer a competitive leave package and a generous benefit plan which includes medical, dental, vision, life and disability insurance, tuition assistance, and an employer matching 401(k) plan.
Applicants selected for this position will be subject to a government security investigation and must meet eligibility requirements for access to classified information.
For this position, VISTA will consider only applicants with an active DoD security clearance.
To learn more about VISTA and to apply for this position, please visit our website at www.vistatsi.com.
VISTA is an Equal Opportunity Employer/Disability/Veterans Employer

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