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Junior Python Backend Developer Jobs in Washington

Altumint

Junior Python Engineer

Lanham, MD

$80K - $90K/yr

The position is heavily centered in Python development and offers broad exposure across backend ... DevOps, embedded Linux environments, infrastructure tooling, device management, and operational ...

Chenega MIOS

Jr. Backend Developer

Vienna, VA

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 ...

ManTech

Back End Developer

Springfield, VA

Providing technical leadership and mentoring to junior developers to drive the technical agenda ... Expertise in back-end programming languages such as Python, Java, C#, Ruby, or Node.js. * Strong ...

Aretum

Senior Java Backend Developer - Contingent

Mclean, VA · On-site

$121.80K - $158.20K/yr

Mentor junior-mid level developers and support their growth through pairing, design review, and ... Contribute to Python backend services where the team's work requires it, applying the same ...

Aretum

Senior Java Backend Developer - Contingent

Mclean, VA · On-site +1

$121.80K - $158.20K/yr

Mentor junior-mid level developers and support their growth through pairing, design review, and ... Contribute to Python backend services where the team's work requires it, applying the same ...

Aretum

Senior Java Backend Developer - Contingent

Mclean, VA · Remote

$123.30K - $160.20K/yr

Mentor junior-mid level developers and support their growth through pairing, design review, and ... Contribute to Python backend services where the team's work requires it, applying the same ...

Aretum

Java Backend Developer - Contingent

Mclean, VA · Remote

$51.75 - $67/hr

As a Java Backend Developer, you will be embedded within a cross-functional Agile scrum team ... Contribute to Python backend services where the team's work requires it, applying the same ...

Aretum

Java Backend Developer - Contingent

Mclean, VA · On-site

$51 - $66.25/hr

As a Java Backend Developer, you will be embedded within a cross-functional Agile scrum team ... Contribute to Python backend services where the team's work requires it, applying the same ...

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Junior Python Backend Developer information

What are the key skills and qualifications needed to thrive as a Junior Python Backend Developer, and why are they important?

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 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 most commonly searched types of Python Backend Developer jobs in Washington? The most popular types of Python Backend Developer jobs in Washington are:
What cities in Washington are hiring for Junior Python Backend Developer jobs? Cities in Washington 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 Washington as of May 2026, with employment types broken down into 13% Internship, 80% Full Time, and 7% Part Time. Highlights an 93% In-person, and 7% Hybrid job distribution.
Python Backend Developer with AWS

Python Backend Developer with AWS

IT America Inc

Mclean, VA • On-site

Contractor

Posted 19 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