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Junior Python Backend Developer Jobs in Virginia

System One

Senior Backend Developer

Merrifield, VA · On-site

$120K - $156K/yr

Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL ... The developer will contribute to application modernization efforts, mentor junior engineers ...

Phase2 Technology

Back End Developer

Mclean, VA · On-site

$86K - $198K/yr

As a back-end developer at Booz Allen, you'll use the latest architectural approaches and ... Experience with Kotlin and Python * Experience writing source code for new applications or ...

Chenega MIOS

Senior Backend Developer

Vienna, VA · On-site

$120K - $157K/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 ...

Chenega Corporation

Senior Backend Developer

Vienna, VA · On-site

$120K - $157K/yr

Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

Booz Allen Hamilton

Back End Developer

Mclean, VA · On-site

Experience with scripting languages such as Python or Bash * Experience building real-time data ... As a sof tware engineer, you know that good sof tware is more than just a nice-looking interface ...

Vantor

Backend Developer, Data Platform

Reston, VA · On-site

Required : • 5+ years of professional software engineering experience, with strong backend development skills • Strong proficiency in Python • Experience building backend systems, APIs, or ...

Booz Allen Hamilton, Inc.

Back End Developer

Mclean, VA · On-site

$86K - $198K/yr

Back End Developer The Opportunity: As a software engineer, you know that good software is more ... Experience with scripting languages such as Python or Bash * Experience building real-time data ...

Booz Allen Hamilton, Inc.

Back End Developer

Mclean, VA · On-site

$86K - $198K/yr

Fort Belvoir, Virginia, USA Back End Developer The Opportunity: As a software engineer, you know ... Experience with scripting languages such as Python or Bash * Experience building real-time data ...

Booz Allen Hamilton

Back End Developer

Fort Belvoir, VA · On-site

$86K - $198K/yr

Back End Developer The Opportunity: As a software engineer, you know that good software is more ... Experience with scripting languages such as Python or Bash * Experience building real-time data ...

Booz Allen Hamilton

Back End Developer

Mclean, VA · On-site

$86K - $198K/yr

Back End Developer The Opportunity: As a software engineer, you know that good software is more ... Experience with scripting languages such as Python or Bash * Experience building real-time data ...

NSS

Full Stack Python Developer

Leesburg, VA · On-site

Government contractor is seeking a Full Stack Python Developer to build and scale user-facing and backend applications that power AI/ML capabilities for the DoD Search Portfolio. You will develop ...

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Junior Python Backend Developer information

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 Virginia?

The most popular types of Python Backend Developer jobs in Virginia are:

What are popular job titles related to Junior Python Backend Developer jobs in Virginia?

For Junior Python Backend Developer jobs in Virginia, the most frequently searched job titles are:

What job categories do people searching Junior Python Backend Developer jobs in Virginia look for?

The top searched job categories for Junior Python Backend Developer jobs in Virginia are:

What cities in Virginia are hiring for Junior Python Backend Developer jobs?

Cities in Virginia with the most Junior Python Backend Developer job openings:

Junior Python Backend Developer jobs near you
Infographic showing various Junior Python Backend Developer job openings in Virginia as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 15% Part Time, and 5% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution.

Senior Backend Developer

Merrifield, VA • On-site

System One
Business Consulting Services • 5 - 10K employees
Learn more about System Oneexternal

$120K - $156K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 15 days ago

Job description

Job Title: Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL Work Schedule: hybrid, onsite 3 days a week Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Candidates must have a minimum of 10 years of professional experience, ideally closer to 15 years with extensive Java backend development experience, Java 17+, Spring framework/Spring Boot, and Azure. This role is for a Senior Backend Developer responsible for building, modernizing, and supporting the backend services that power mobile and online banking applications. The position focuses on developing scalable, secure, cloud-native solutions using Java and Azure technologies while collaborating with product, architecture, QA, frontend, and platform teams. The developer will contribute to application modernization efforts, mentor junior engineers, support production systems, build CI/CD pipelines, and leverage AI-assisted development tools to improve engineering productivity and code quality. Overview The Senior Backend Developer is responsible for the design, development, modernization, and support of backend services that power our mobile banking and online banking channels. This role partners closely with product teams, architects, analysts, QA engineers, frontend developers, and platform teams to deliver scalable, secure, and resilient solutions. The ideal candidate is a strong Java engineer who brings technical leadership, cloud expertise, and a passion for continuous improvement. This individual will help drive application modernization, mentor team members, and leverage emerging technologies, including AI-assisted development tools, to improve engineering efficiency and delivery quality. Responsibilities

  • Design, develop, enhance, and maintain backend services and APIs.
  • Build scalable, secure, and resilient cloud-native applications.
  • Participate in architecture and design discussions and contribute to technical solutioning.
  • Collaborate with cross-functional teams to define, design, and deliver new features and capabilities.
  • Identify performance bottlenecks, troubleshoot issues, and implement effective solutions.
  • Conduct code reviews and champion engineering best practices, quality standards, and secure coding principles.
  • Support application modernization and technical debt reduction initiatives.
  • Build and maintain CI/CD pipelines and deployment automation using Azure DevOps.
  • Participate in production support, incident response, root cause analysis, and operational readiness activities.
  • Mentor and provide technical guidance to junior engineers.
  • Evaluate and leverage AI-assisted development tools to improve productivity, code quality, testing, and delivery speed.
  • Help maintain code quality, organization, documentation, and automation standards.
Required Skills & Experience
  • Strong experience developing applications using Java 17 or higher.
  • Experience with Spring Framework and Spring Boot.
  • Experience designing and developing RESTful APIs and microservices architectures.
  • Strong understanding of web applications, web services, and distributed systems.
  • Experience with cloud platforms, preferably Microsoft Azure.
  • Experience with Azure services such as App Services, Azure SQL, Service Bus, API Management, Application Insights, or similar cloud-native services.
  • Experience with Git-based source control, Azure DevOps Repos, pull requests, and branching strategies.
  • Experience building and maintaining CI/CD pipelines using Azure DevOps.
  • Strong understanding of databases, SQL, and application data integration patterns.
  • Experience troubleshooting complex, interconnected systems and applications.
  • Understanding of application scalability, resilience, observability, and performance optimization.
  • Experience working in Agile/Scrum environments.
  • Familiarity with AI-powered development tools (e.g., GitHub Copilot, AI-assisted code generation, testing, analysis, and debugging) to improve developer productivity and code quality.
  • Strong analytical, problem-solving, communication, and collaboration skills.
  • Demonstrated ability and willingness to learn new technologies and adapt to changing business needs.
Preferred Qualifications
  • Experience with Docker and Kubernetes (AKS preferred).
  • Experience with event-driven architectures and messaging platforms.
  • Experience working in the banking or financial services industry.
  • Knowledge of secure software development practices and regulatory considerations in financial systems.
  • Awareness of sustainable coding practices and energy-efficient system design.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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