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Senior Backend Developer Python Jobs in Ashburn, VA

Back-End Developer

Mclean, VA · On-site

$86K - $198K/yr

As a back-end developer, you know that a good site or system needs the right combination of clean ... Experience with Kotlin and Python * Experience writing source code for new applications or ...

Back-End Developer

Mclean, VA · On-site

$86K - $198K/yr

Share Back-End Developer The Opportunity: As a back-end developer, you know that a good site or ... Experience with Kotlin and Python * Experience writing source code for new applications or ...

SIMILAR CAREER TITLES Java Developer, Scala Developer, Python Developer, Software Engineer, Backend Developer, Full Stack Developer, Data Engineer, Distributed Systems Developer, Big Data Developer ...

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 ...

SIMILAR CAREER TITLES Java Developer, Scala Developer, Python Developer, Software Engineer, Backend Developer, Full Stack Developer, Data Engineer, Distributed Systems Developer, Big Data Developer ...

SIMILAR CAREER TITLES Java Developer, Scala Developer, Python Developer, Software Engineer, Backend Developer, Full Stack Developer, Data Engineer, Distributed Systems Developer, Big Data Developer ...

SIMILAR CAREER TITLESJava Developer, Scala Developer, Python Developer, Software Engineer, Backend Developer, Full Stack Developer, Data Engineer, Distributed Systems Developer, Big Data Developer ...

SIMILAR CAREER TITLESJava Developer, Scala Developer, Python Developer, Software Engineer, Backend Developer, Full Stack Developer, Data Engineer, Distributed Systems Developer, Big Data Developer ...

SIMILAR CAREER TITLESJava Developer, Scala Developer, Python Developer, Software Engineer, Backend Developer, Full Stack Developer, Data Engineer, Distributed Systems Developer, Big Data Developer ...

Python Developer

Mclean, VA · On-site

$50.75 - $70/hr

Developer Python Location: McLean, VA - Fully onsite Assignment Type: Contract Only Duration: 6 ... Must be strong in both front end and back end. Knowledge and strong understanding of architecture ...

Develop and maintain backend services and APIs using Golang, Python, Java, and other technologies ... Programming Languages: • Proficiency in Golang, knowledge of GIN, GORM, and other related ...

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Showing results 1-20

Senior Backend Developer Python information

See Ashburn, VA salary details

$16.4K

$151.6K

$195.3K

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

As of Jun 23, 2026, the average yearly pay for senior backend developer python in Ashburn, VA is $151,584.00, according to ZipRecruiter salary data. Most workers in this role earn between $148,800.00 and $171,300.00 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 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 key skills and qualifications needed to thrive as a Senior Backend Developer Python, and why are they important?

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 job categories do people searching Senior Backend Developer Python jobs in Ashburn, VA look for? The top searched job categories for Senior Backend Developer Python jobs in Ashburn, VA are:
What cities near Ashburn, VA are hiring for Senior Backend Developer Python jobs? Cities near Ashburn, VA with the most Senior Backend Developer Python job openings:
Infographic showing various Senior Backend Developer Python job openings in Ashburn, VA as of June 2026, with employment types broken down into 51% Full Time, 47% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $151,584 per year, or $72.9 per hour.
Mid Backend Developer

Full-time

Posted 11 days ago


Job description

Summary

Mid Backend Developer

Vienna, VA

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level! 

Chenega Agile Real-Time Solutions (CARS) was created with the purpose of providing integrated enterprise IT support to Federal customers both CONUS and OCONUS. CARS employs Subject Matter Experts (SMEs) with decades of experience working in the Federal marketplace. 

As a Mid Backend Developer on our team, you will build software leveraging Esri’s products and APIs to build core backend services that solve complex problems at a global scale. From building intuitive AI web interfaces to writing Python for geoprocessing tools and AI agents, you’ll be exposed to the full development lifecycle and cutting-edge GIS solutions.


Responsibilities
  • Build backend services that power geospatial processing, automation, and user-facing capabilities
  • Develop APIs, proxies, and integration services using Node.js and Python
  • Create and maintain backend tooling that extends ArcGIS Enterprise in containerized environments
  • Develop and maintain geoprocessing services, automation scripts, and operational workflows
  • Build connectors and ingestion pipelines across diverse enterprise data sources
  • Support deployments across cloud-native and on-prem environments
  • Improve reliability and performance through API design, testing, monitoring, and observability
  • Collaborate with the platform, DevOps, and GIS teams to translate requirements into
  • production solutions
  • Other duties as assigned

Qualifications
  • Bachelor’s degree in computer science, engineering, GIS, or related technical field (or equivalent practical experience)
  • 3+ years of industry experience as a backend software engineer or equivalent practical experience
  • Hands-on experience developing backend services using:
    • Python
    • JavaScript / Node.js
    • Java (for enterprise integrations and services)
    • Experience designing and building REST APIs and service-based architectures
    • Experience extending or integrating with ArcGIS Enterprise or similar enterprise geospatial platforms
    • Experience working in containerized environments (Docker, Kubernetes, or similar)
  • Active or Current (within two years of active) Top Secret Security Clearance with SCI eligibility

Preferred Qualifications:

  • Master’s in computer science, Mathematics, Geographic Information Systems (GIS), or STEM-related field
  • Esri certification
  • CompTIA Security + certification
  • Experience with containerization technologies such as Docker and Kubernetes
  • Familiarity with cloud platforms (Azure, AWS, or GCP)
  • Experience with monitoring, logging, and observability tools
  • Exposure to DevSecOps practices and secure development pipelines
  • Experience with ArcGIS Enterprise SDKs, automation frameworks, or platform extensions
  • Experience building services for geospatial analysis, data pipelines, or map services
  • Familiarity with enterprise authentication, proxies, and secure service architectures
  • Experience with relational and spatial databases (PostgreSQL/PostGIS, SQL Server, etc.)
  • Exposure to event-driven architectures, batch processing, or distributed data workflows

 

Knowledge, Skills, and Abilities:

  • Ability to work independently and yet be effective within a team setting
  • Must be capable of managing multiple efforts with time-related constraints in a fast-paced contracting environment
  • Demonstrated ability to effectively communicate and collaborate with diverse internal and external stakeholder groups and individuals
  • Friendly presence, helpful attitude, good interpersonal skills, and ability to work well with others.
  • Excellent skills in Microsoft Word, Excel, and other Office applications
  • Proficient with Microsoft Office Applications, and experience working in a home office setting, as well as the ability to train end users on frequently asked technical issues.
  • Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired.
  • Good problem-solving skills; ability to visualize a problem/situation and think abstractly to solve it
  • Familiarity with:
    • Geoprocessing workflows
    • Proxies and middleware services
    • Automation of GIS or data processing tasks
  • Solid fundamentals in:
    • API design
    • Software/system design
    • Testing and debugging distributed services
  • Strong problem-solving, communication, and collaboration skills

How you’ll grow 

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn. 

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers. 

Benefits 

At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits. 

Learn more about what working at Chenega MIOS can mean for you. 

Chenega MIOS’s culture 

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives. 

Corporate citizenship 

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities. 

Learn more about Chenega’s impact on the world. 

Chenega MIOS News- https://chenegamios.com/news/ 

Tips from your Talent Acquisition Team 

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links: 

Chenega MIOS web site - www.chenegamios.com 

Glassdoor - https://www.glassdoor.com/Overview/Working-at-Chenega-MIOS-EI_IE369514.11,23.htm 

LinkedIn - https://www.linkedin.com/company/1472684/ 

Facebook - https://www.facebook.com/chenegamios/ 

#Chenega Agile Real Time Solutions, LLC

Qualifications:
  • Bachelor’s degree in computer science, engineering, GIS, or related technical field (or equivalent practical experience)
  • 3+ years of industry experience as a backend software engineer or equivalent practical experience
  • Hands-on experience developing backend services using:
    • Python
    • JavaScript / Node.js
    • Java (for enterprise integrations and services)
    • Experience designing and building REST APIs and service-based architectures
    • Experience extending or integrating with ArcGIS Enterprise or similar enterprise geospatial platforms
    • Experience working in containerized environments (Docker, Kubernetes, or similar)
  • Active or Current (within two years of active) Top Secret Security Clearance with SCI eligibility

Preferred Qualifications:

  • Master’s in computer science, Mathematics, Geographic Information Systems (GIS), or STEM-related field
  • Esri certification
  • CompTIA Security + certification
  • Experience with containerization technologies such as Docker and Kubernetes
  • Familiarity with cloud platforms (Azure, AWS, or GCP)
  • Experience with monitoring, logging, and observability tools
  • Exposure to DevSecOps practices and secure development pipelines
  • Experience with ArcGIS Enterprise SDKs, automation frameworks, or platform extensions
  • Experience building services for geospatial analysis, data pipelines, or map services
  • Familiarity with enterprise authentication, proxies, and secure service architectures
  • Experience with relational and spatial databases (PostgreSQL/PostGIS, SQL Server, etc.)
  • Exposure to event-driven architectures, batch processing, or distributed data workflows

 

Knowledge, Skills, and Abilities:

  • Ability to work independently and yet be effective within a team setting
  • Must be capable of managing multiple efforts with time-related constraints in a fast-paced contracting environment
  • Demonstrated ability to effectively communicate and collaborate with diverse internal and external stakeholder groups and individuals
  • Friendly presence, helpful attitude, good interpersonal skills, and ability to work well with others.
  • Excellent skills in Microsoft Word, Excel, and other Office applications
  • Proficient with Microsoft Office Applications, and experience working in a home office setting, as well as the ability to train end users on frequently asked technical issues.
  • Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired.
  • Good problem-solving skills; ability to visualize a problem/situation and think abstractly to solve it
  • Familiarity with:
    • Geoprocessing workflows
    • Proxies and middleware services
    • Automation of GIS or data processing tasks
  • Solid fundamentals in:
    • API design
    • Software/system design
    • Testing and debugging distributed services
  • Strong problem-solving, communication, and collaboration skills

How you’ll grow 

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn. 

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers. 

Benefits 

At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits. 

Learn more about what working at Chenega MIOS can mean for you. 

Chenega MIOS’s culture 

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives. 

Corporate citizenship 

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities. 

Learn more about Chenega’s impact on the world. 

Chenega MIOS News- https://chenegamios.com/news/ 

Tips from your Talent Acquisition Team 

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links: 

Chenega MIOS web site - www.chenegamios.com 

Glassdoor - https://www.glassdoor.com/Overview/Working-at-Chenega-MIOS-EI_IE369514.11,23.htm 

LinkedIn - https://www.linkedin.com/company/1472684/ 

Facebook - https://www.facebook.com/chenegamios/ 

#Chenega Agile Real Time Solutions, LLC

Education:UNAVAILABLEEmployment Type: FULL_TIME