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Contractual Freelance Python Programmer Jobs in Virginia

Bcore

Python Developer - Systems Engineer

Chantilly, VA · On-site

$185K - $225K/yr

Overview Python Developer - Systems Engineer Chantilly, VA TS/SCI with Poly At Bcore, our strength ... and contractual requirements. This is not a guarantee. * Benefits include Health/Dental/Vision ...

New

VTG

Software Developer (Python)

Herndon, VA · On-site

$180K - $230K/yr

... include contractual requirements which may cause an offer to fall outside of this range ... Active TS/SCI With Poly Required. * 10+ years' experience developing with Python * Experience in ...

KBR

Junior Python Coder & Analyst

Arlington, VA · On-site

$75K - $90K/yr

KBR's National Security Solutions team provides high-end engineering and advanced technology ... contractual designation. Additional compensation may be in the form of sign on bonus, relocation ...

KBR, Inc

Junior Python Coder & Analyst

Arlington, VA · On-site

$75K - $90K/yr

KBR's National Security Solutions team provides high-end engineering and advanced technology ... or contractual designation. * Additional compensation may be in the form of sign on bonus ...

Steampunk

AI Developer

Mclean, VA

$140K - $190K/yr

Proficiency in Python; comfortable working across the AI/ML tooling ecosystem * Solid understanding ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Steampunk

AI Developer

Mclean, VA · On-site

$140K - $190K/yr

Proficiency in Python; comfortable working across the AI/ML tooling ecosystem * Solid understanding ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Steampunk

AI Developer

Mclean, VA · On-site

$140K - $190K/yr

Proficiency in Python; comfortable working across the AI/ML tooling ecosystem * Solid understanding ... limited to geographic location, contractual requirements, education, knowledge, skills ...

VTG

Associate Software Engineer

Manassas, VA · On-site

$75K - $90K/yr

The SW is primarily Python-based and is containerized and hosted in a Kubernetes environment. This ... contractual requirements which may cause an offer to fall outside of this range.

VTG

Associate Software Engineer

Manassas, VA · On-site

$75K - $90K/yr

The SW is primarily Python-based and is containerized and hosted in a Kubernetes environment. This ... include contractual requirements which may cause an offer to fall outside of this range.

Altamira Technologies Corp.

Software Engineer

Mclean, VA · On-site

$125K - $175K/yr

The role spans technologies such as Java, Python, JavaScript, C, React, PostGIS, AWS services, Git ... equity, contractual obligations, clearance requirements and other legitimate business ...

Vosper Thornycroft Group

SME - Data Engineer

Herndon, VA · On-site

$180K - $230K/yr

The Data Engineer will leverage their expertise with Python to support the customer's data ... contractual requirements which may cause an offer to fall outside of this range. #J-18808-Ljbffr

VTG

SME - Data Engineer

Herndon, VA · On-site

$180K - $230K/yr

The Data Engineer will leverage their expertise with Python to support the customer's data ... include contractual requirements which may cause an offer to fall outside of this range.

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Contractual Freelance Python Programmer information

What is the difference between Contractual Freelance Python Programmer vs Python Developer?

AspectContractual Freelance Python ProgrammerPython Developer
CredentialsTypically self-taught or with certifications in Python; no formal degree requiredOften holds a degree in Computer Science or related field; certifications are common
Work EnvironmentRemote, project-based, freelance contractsFull-time or part-time employment, in-house or remote
Employer & Industry UsageHired by multiple clients across industries on a contractual basisEmployed by a single company, working on internal projects

In summary, a Contractual Freelance Python Programmer works independently on short-term projects for various clients, often remotely, without long-term employment commitments. In contrast, a Python Developer is typically employed full-time by a company, focusing on ongoing development within a team. Both roles require Python skills, but their work arrangements and employment status differ significantly.

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For Contractual Freelance Python Programmer jobs in Virginia, the most frequently searched job titles are:

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Contractual Freelance Python Programmer jobs near you
Infographic showing various Contractual Freelance Python Programmer job openings in Virginia as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, and 8% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Software Engineer II - Python Developer

Chesapeake, VA • On-site

Engineering Services Network, Inc
51 - 200 employees
Learn more about Engineering Services Network, Incexternal

$48.75 - $67.25/hr

Full-time

Re-posted 17 days ago

Key responsibilities

  • Develop automated software test suites using Python.

  • Support project activities including scheduling, working in the AWS Cloud, and managing JIRA/Confluence.

  • Perform duties related to software testing, verification, and validation in support of contractual obligations.

Job description

Job Title
Software Engineer II - Python Developer
Location
ESN CHESAPEAKE OFFICE - VA US (Primary)
Job Description
Founded in 1995, ESN is a Small Disadvantaged Business (SDB), Service-Disabled Veteran-Owned Small Business (SDVOSB) and Veteran Owned Small Business (VOSB). ESN delivers trusted solutions that support our nation's defense. For more than two decades, we have been providing our military and government customers with mission-critical services including engineering and technical support, strategic and program management, testing and evaluation, operations support, and information technology. We are committed to proven, repeatable corporate quality management processes and are certified CMMI Maturity Level III - Development/Services & ISO 9001:2015.
Candidates may be located within a 30-mile radius of any NIWC LANT Lab facility (Norfolk, DC area, Charleston, or NOLA.)
ESN is seeking a Software Engineer II - Python Developer to support a contract with Naval Information Warfare Center (NIWC), Atlantic, in Norfolk, VA. The contract to support NIWC LANT consists of Independent Validation & Verification, Operations, Sustainment, and Installation support. The Maintenance Figure of Merit (MFOM) systems provide near real-time material-based readiness reporting to the Defense Readiness Reporting System-Navy (DRRS-N) and provides three additional primary capabilities to the Fleet including Ashore and Afloat systems. This support includes Cybersecurity, automated software testing, Scrum Master support, operating in the AWS Cloud, management of JIRA/Confluence, and project support.
Position Description:
  • Developing automated software test suites using Python.
  • Schedule is Monday through Friday with some weekend support required.
  • Performs other duties and works schedules as assigned by management, which may include changes to duties, responsibilities, or work hours as required to meet contractual obligations, mission requirements, or the needs of the organization.

Minimum Requirements:
  • Required Education: Bachelor's degree in quantitative field such as engineering or mathematics (e.g. Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems)
  • Required certification - Security Plus and Agile Developer certification or Certified Scrum Developer certification (Preferred certification includes International Software Testing Qualifications Board (ISTQB)).
  • Three (3) years of professional experience with research, design, and development of computer and network software or specialized utility programs which may include database maintenance within an application area. Individual shall have experience applying programming concepts in a professional or academic setting and notable experience with applying modern software development methodologies (e.g. agile, DEVOPS/DEVSECOPS) in a professional or academic setting
  • Specific Experience - Three (3) years' experience in Independent Verification and Validation (IV&V) software testing. Three (3) years' experience in developing automated software tests. Two (2) years' experience in Agile Scrum Master training.

Active DoD Secret Clearance Required
Job Requirements
Clearance Requirement

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