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Python Developer Jobs in McLean, VA (NOW HIRING)

eSolutionsFirst, LLC

Senior Python Developer

Mclean, VA

$124.60K - $167.70K/yr

Senior Python Developer 6 Months contract - Extension long term McLean , VA - On-site M-F Interview Type: In Person Must Have Qualifications: * 5+ years' experience of software development experience ...

Cornerstone Defense

Python Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

Python Developer Location: Herndon, VA Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early ...

Edge Global

Python Developer with AI/ML

Reston, VA · On-site

$52.25 - $72/hr

Python Developer with AI/ML Location : Reston, VA (Local Only) Duration : Long Term Contract MOI: Video + In-Person Visa: W2 Consultant Only - We are looking for an experienced Python Developer. The ...

Polar IT Services

AWS Python Developer

Reston, VA · Hybrid

$52.25 - $72/hr

AWS Python Developer with AI experience Location: Reston, VA Mode of Work: 3 Days hybrid Top Skills' Details Strong Python and AWS skills Machine Learning, LLM, GenAi experience Needs to be a hands ...

Polar IT Services

AWS Python Developer

Reston, VA · Hybrid

$52.25 - $72/hr

AWS Python Developer with AI experience Location: Reston, VA Mode of Work: 3 Days hybrid Top Skills' Details Strong Python and AWS skills Machine Learning, LLM, GenAi experience Needs to be a hands ...

Prophecy Technologies

Python Developer-AWS

Mclean, VA · On-site

$50.75 - $70/hr

Job Summary We are seeking a highly skilled Python Developer with strong AWS experience to design, develop, deploy, and support scalable cloud-based applications. The role involves building backend ...

Polar IT Services

AWS Python Developer

Reston, VA · On-site

$52.25 - $72/hr

AWS Python Developer with AI experience Location: Reston, VA Mode of Work: 3 Days hybrid Top Skills' Details Strong Python and AWS skills Machine Learning, LLM, GenAi experience Needs to be a hands ...

ASCENDING

Python Developer L3

Fairfax, VA · On-site

$49.75 - $68.75/hr

Python Developer L3 FTE only, No C2C Location: 4 days/week onsite in Merrifield, VA - Mosaic District We are growing!! ASCENDING Inc, has doubled its revenue for the 3rd year in a row and our main ...

Link, LLC

Python Developer

Annapolis Junction, MD

$55.25 - $76/hr

In search of a Software Engineer with analytic development skills to support a highly visible cyber ... in Python This position will have up to 60% telework. **This position requires PRIVAC. Candidate ...

eSolutionsFirst, LLC

Sr. Python Developer

Mclean, VA

$51.50 - $71/hr

Python Full Stack Developer Mclean, VA Must Have Qualifications: Must have practical experience with Python, front even technologies, React, JavaScript, and web application development, along with ...

ASCENDING LLC

Python Developer L3

Fairfax, VA · On-site

$49.75 - $68.75/hr

Python Developer L3 FTE only, No C2C Location: 4 days/week onsite in Merrifield, VA - Mosaic District We are growing!! ASCENDING Inc, has doubled its revenue for the 3rd year in a row and our main ...

SES

Gen AI/Python Developer

Reston, VA

$52.25 - $72/hr

Systems Engineering Services is seeking an AI/Python Developer with a Java Certification based out of the Washington DC/Reston area. Top 5 Technical Skills: * Python * Gen AI * SQL * AWS Data ...

PTR Global

Senior Python Developer

Mclean, VA

$80 - $85/hr

Python Developer Location: Mclean, VA Duration: 12+ Months (Possible extension) * Client's Investments and Capital Markets division is currently seeking a Senior Software Developer who can contribute ...

Aretum

Senior Python Developer

Mclean, VA · On-site +1

$122.80K - $165.30K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems. Due to the nature of our work as a federal consulting organization ...

Aretum

Senior Python Developer

Mclean, VA · Remote

$122.80K - $165.30K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems. Due to the nature of our work as a federal consulting organization ...

Ekcel Technologies Inc

Sr AWS Python Developer

Reston, VA · On-site

$126.40K - $170.10K/yr

Sr AWS Python Developer (2 positions) Location- Reston, VA (In person Client interview) day one onsite Experience : 8 to 18 years FTE or C2C We are looking for Visa independent candidates only for ...

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Python Developer information

See McLean, VA salary details

$13

$59

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How much do python developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for python developer in McLean, VA is $59.26, according to ZipRecruiter salary data. Most workers in this role earn between $48.85 and $67.31 per hour, depending on experience, location, and employer.

What Does a Python Developer Do?

As a Python developer, your job is to use the Python programming language to develop, implement, and debug a project. In this role, you may create an application for your employer, design the framework for your code, build tools as necessary to get the job done, create websites, or publish new services. Python developers often work with data collection and analytics to create useful answers to questions and provide insight where it's needed most. Like most programming positions, the specifics of this job vary based on the needs of your employer. Some Python developers work as independent contractors instead of being exclusive to one company.

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

To thrive as a Python Developer, you need strong programming skills in Python, a solid understanding of algorithms and data structures, and often a degree in computer science or a related field. Familiarity with frameworks like Django or Flask, version control systems such as Git, and knowledge of databases and cloud services are commonly required. Problem-solving ability, attention to detail, and effective communication help developers collaborate and deliver high-quality code. These skills and qualities are vital to building efficient, scalable software solutions and contributing effectively to development teams.

What are some common challenges Python Developers face when working on large-scale projects?

Python Developers working on large-scale projects often encounter challenges such as managing codebase complexity, ensuring consistent code style among team members, and optimizing application performance. Collaboration with other developers becomes essential, often requiring the use of version control systems and code review processes. Additionally, integrating Python code with other technologies or legacy systems can present unique compatibility and testing hurdles. Proactively adopting best practices like modular architecture and thorough documentation can help mitigate these issues.

What is the difference between Python Developer vs Java Developer?

AspectPython DeveloperJava Developer
Required CredentialsBachelor's in CS or related field, Python certifications (optional)Bachelor's in CS or related field, Java certifications (optional)
Work EnvironmentWeb development, data science, automation, scriptingEnterprise applications, Android development, backend systems
Industry UsageTech startups, data companies, automation firmsFinancial services, enterprise software, mobile app companies
Common Search/ComparisonOften compared for backend and scripting rolesCompared for enterprise and mobile app development

Python Developers and Java Developers share similar educational backgrounds and often work in backend environments. However, Python is favored for data science, scripting, and rapid development, while Java is preferred for large-scale enterprise applications and Android development. Both roles are highly sought after, but their industry focus and project types differ.

More about Python Developer jobs
What are the most commonly searched types of Python Developer jobs in McLean, VA? The most popular types of Python Developer jobs in McLean, VA are:
What are popular job titles related to Python Developer jobs in McLean, VA? For Python Developer jobs in McLean, VA, the most frequently searched job titles are:
What job categories do people searching Python Developer jobs in McLean, VA look for? The top searched job categories for Python Developer jobs in McLean, VA are:
What cities near McLean, VA are hiring for Python Developer jobs? Cities near McLean, VA with the most Python Developer job openings:
Python Developer jobs near you
Infographic showing various Python Developer job openings in McLean, VA as of May 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 87% In-person, and 13% Remote job distribution, with an average salary of $123,257 per year, or $59.3 per hour.
Senior Python Developer

Senior Python Developer

eSolutionsFirst, LLC

Mclean, VA

$124.60K - $167.70K/yr

Other

Posted 13 days ago

Job description

 Senior Python Developer

6 Months contract –   Extension long term

McLean , VA – On-site   M-F  

Interview Type: In Person

Must Have Qualifications:

  • 5+ years’ experience of software development experience using Python.
  • Must have hands on experience with Python, Git, unit testing and databases technologies including snowflake, Databricks, or SQL server.
  • 1 – 2 years of experience working with containerization tools (e.g. Docker, Kubernetes)

Job Description:

Position Overview

  • currently seeking a Sr. Software Developer who can contribute to the firm’s data modernization initiative.
  • The developer will be involved in developing and enhancing core features of cohorting engines to source data from Enterprise warehouse to support close of business activities and ensure the integrity, accuracy, and timeliness of outputs.
  • The developer will also collaborate closely with other team members to implement ETL capabilities, add quality control reports, and perform data profiling to meet project requirements.

Responsibilities

  • Refactor and modernize existing components of an ETL application to improve maintainability, performance, and scalability.
  • Perform end to end testing to verify accuracy of all layers and perform parallel testing to ensure data integrity of the new system.
  • Establish metrics and monitoring systems to evaluate the effectiveness of the implemented solutions.
  • Diagnose and resolve defects, eliminate technical debt in new solution, and drive continuous improvements to ensure alignment with software engineering best practices.
  • Write clean, robust, high-quality code following best practices, supported by automated unit and integration tests with strong coverage.
  • Coordinate with team members across different layers of the stack (data, services, APIs, and infrastructure) to deliver end-to-end solutions.
  • Assist with infrastructure upgrades, platform migrations, and adoption of new technologies to improve reliability, security, and operational efficiency.
  • Contribute to design discussions, code reviews, and documentation; demonstrate a commitment to collaborative problem-solving, thoughtful design, and high-quality deliverables.
  • Document findings and outcomes to build a knowledge base for future reference.

Qualifications

  • Hands-on software development experience using Python programming
  • Candidate should be skilled in pandas and numpy Python libraries.
  • 2–3 years of experience using Git for source control in a team-based development environment.
  • 2–3 years of experience with SQL and relational database development.
  • 1–2 years of experience with containerization and orchestration technologies (e.g., Docker, Podman, Kubernetes).
  • 2–3 years of experience with unit testing frameworks (e.g., Pytest) and implementing automated test coverage.
  • Good oral, written communication skills and team collaboration skills.
  • Strong critical thinking, problem-solving skills, and familiarity with Agile development processes.

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