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Junior Python Backend Developer Jobs in Ashburn, VA

Via Logic LLC

Junior Python Developer

Chantilly, VA · On-site

$69.55 - $125.72/hr

  • Medical

  • Retirement

  • PTO

Junior Python Developer Minimum Requirements * US Citizenship with TS/SCI and Counter-Intelligence ... Develop and maintain Python-based backend services and tooling * Support troubleshooting and bug ...

New

AHU Technologies Inc

Python Backend Engineer

Washington, DC · Remote

  • Dental

  • Vision

  • Retirement

  • PTO

This role may evolve into a backend or general engineering lead as we scale. Requirements * 10+ years building and shipping web applications in Python, Go, or Rust * Experience generally across the ...

Leidos

Junior Python Developer

Chantilly, VA · On-site

$69K - $125K/yr

Junior Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade ... Develop and maintain Python-based backend services and tooling * Support troubleshooting and bug ...

Leidos

Junior Python Developer

Chantilly, VA · On-site

$69K - $125K/yr

Junior Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade ... Develop and maintain Python-based backend services and tooling * Support troubleshooting and bug ...

Chenega MIOS

Jr. Backend Developer

Vienna, VA · On-site

Req ID: 40540 Summary Jr. Backend Developer Vienna, VA Are you ready to enhance your skills and ... Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ...

Chenega Corporation

Jr. Backend Developer

Vienna, VA · On-site

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

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 ...

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 ...

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 ...

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 ...

VISTA Technology Services

Back-End Developer

Springfield, VA · On-site

$100K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Provide technical leadership and mentoring to junior developers Basic Qualifications: * Bachelor ... Expertise in one or more back-end programming languages such as Python, Java, C#, Ruby, or Docker ...

NTT DATA Services

Junior Back-End/DevOps Developer

Arlington, VA · On-site +1

$75K - $156K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are currently seeking a Junior Back-End/DevOps Developer to join our team in Arlington (REMOTE ... Minimum 2 years of hands-on Python experience. * Minimum 1 year of experience building or ...

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Junior Python Backend Developer information

See Ashburn, VA salary details

$16.4K

$151.6K

$195.3K

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

As of Aug 19, 2026, the average yearly pay for junior python backend developer 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 junior Python backend developer do?

A Junior Python Backend Developer is responsible for writing server-side logic using the Python programming language. They work on building, maintaining, and optimizing the backend of web applications, often collaborating with frontend developers and other team members. Their daily tasks may include developing APIs, managing databases, debugging code, and ensuring the application runs smoothly and efficiently. As junior developers, they are also expected to learn best practices, follow coding standards, and continuously improve their skills.

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

To thrive as a Junior Python Backend Developer, you need proficiency in Python programming, understanding of backend frameworks like Django or Flask, and a solid grasp of databases and RESTful API design, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, cloud platforms, and containerization tools such as Docker is often expected. Strong problem-solving skills, eagerness to learn, and effective teamwork make someone stand out in this role. These skills and qualities are crucial for building reliable backend systems, collaborating with teams, and adapting to evolving technical requirements.

What types of projects and tasks can a junior Python backend developer expect to work on during their first year?

As a Junior Python Backend Developer, you can expect to work on tasks such as building and maintaining RESTful APIs, writing automated tests, fixing bugs, and contributing to database design. You'll likely start with smaller components or features, collaborating closely with senior developers and front-end teams to ensure smooth data flow and application performance. Over time, you'll gain exposure to code reviews, deployment processes, and may gradually take on more complex assignments as you build your expertise and confidence.

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

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

What cities near Ashburn, VA are hiring for Junior Python Backend Developer jobs?

Cities near Ashburn, VA with the most Junior Python Backend Developer job openings:

Junior Python Backend Developer jobs near you

Python Backend Developer with AWS

IT America Inc

Mclean, VA • On-site

Contractor

Re-posted 10 days ago

Job description

Position: Python Backend Developer with AWS

Location: McLean, VA (Preferred) | Richmond, VA | Plano, TX

Duration: Long term contract

Note: Ex–Capital One candidates preferred, especially those able to work at client locations.

Role Overview:

Capital One is seeking a skilled Backend Developer with strong Data Engineering expertise to design, build, and maintain scalable data pipelines in a cloud-native environment. This role focuses on backend development using Python, PySpark, and AWS, supporting high-volume data processing and analytics platforms.

The ideal candidate has hands-on experience building production-grade data pipelines, working with distributed data frameworks, and deploying solutions on AWS.

Key Responsibilities

  • Design, develop, and maintain backend data pipelines using Python and PySpark
  • Build and optimize ETL/ELT workflows for large-scale data processing
  • Develop cloud-hosted solutions using AWS services
  • Ensure performance, reliability, and scalability of data engineering pipelines
  • Collaborate with product owners, data scientists, and platform teams to support analytics and business use cases
  • Implement data quality checks, logging, monitoring, and error handling
  • Participate in code reviews and follow Capital One engineering best practices
  • Support deployment and operations in a CI/CD-driven cloud environment

Required Skills & Qualifications

  • Strong hands-on experience with Python backend development
  • Solid experience using PySpark for large-scale data processing
  • Experience hosting and deploying applications on AWS (e.g., S3, EC2, EMR, Glue, Lambda, CloudWatch – exact services may vary)
  • Proven experience building data engineering pipelines
  • Understanding of distributed systems and data processing concepts
  • Experience working in Agile/Scrum development environments
  • Strong problem-solving and debugging skills

Preferred Qualifications

  • Ex–Capital One experience (highly preferred)
  • Ability to work onsite in McLean, VA

Experience with:

  • CI/CD pipelines
  • Data lake architectures
  • Cloud-native backend systems
  • Financial services or enterprise-scale data platform experience

Nice-to-Have Skills

  • SQL and data modeling
  • Workflow orchestration tools (Airflow or similar)
  • Exposure to streaming or near–real-time data processing
  • Knowledge of security and compliance in cloud environments