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Freelance Python Developer Jobs in Arlington, VA

Quidient

Staff iOS Engineer

Columbia, MD · On-site

$165K - $200K/yr

  • Medical

  • Life

  • Retirement

  • PTO

... freelance acceptable but must include experience with large, complex codebases (not simple sandbox ... Experience in coding languages such as C++ and Python. * Demonstrated ability to assemble complex ...

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Freelance Python Developer information

See Arlington, VA salary details

$15

$67

$99

How much do freelance python developer jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for freelance python developer in Arlington, VA is $67.44, according to ZipRecruiter salary data. Most workers in this role earn between $55.58 and $76.59 per hour, depending on experience, location, and employer.

What is a freelance Python developer?

Freelance Python Developers are independent professionals who use the Python programming language to create, modify, or maintain software for clients on a project or contract basis. They are not tied to a single employer and often work remotely, handling tasks such as web development, data analysis, automation, and scripting. Freelance Python Developers must manage their own business operations, communicate with clients, and stay updated on new technologies to succeed in a competitive marketplace.

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

To thrive as a Freelance Python Developer, you need strong proficiency in Python programming, a solid understanding of software development principles, and often a degree in computer science or related experience. Familiarity with tools such as Git, virtual environments, frameworks like Django or Flask, and relevant certifications like PCEP or PCAP are highly valuable. Excellent communication, self-motivation, and time management skills help freelancers stand out by enabling effective client collaboration and project delivery. These skills and qualities are crucial for delivering high-quality work independently, maintaining client satisfaction, and staying competitive in the freelance market.

What are some common challenges faced by freelance Python developers when working with multiple clients simultaneously?

Freelance Python developers often juggle several projects at once, which can make time management and task prioritization challenging. They must adapt quickly to each client’s workflow, coding standards, and communication preferences, while ensuring that deadlines are met and code quality remains high. Balancing administrative responsibilities, such as invoicing and client communication, with hands-on development work is also a frequent challenge. Building strong organizational habits and clear communication can help freelancers maintain productivity and client satisfaction.

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

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

What are popular job titles related to Freelance Python Developer jobs in Arlington, VA?

For Freelance Python Developer jobs in Arlington, VA, the most frequently searched job titles are:

What job categories do people searching Freelance Python Developer jobs in Arlington, VA look for?

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What cities near Arlington, VA are hiring for Freelance Python Developer jobs?

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Freelance Python Developer jobs near you
Infographic showing various Freelance Python Developer job openings in Arlington, VA as of August 2026, with employment types broken down into 2% Internship, 83% Full Time, 7% Part Time, and 8% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $140,278 per year, or $67.4 per hour.

Staff iOS Engineer

Quidient

Columbia, MD • On-site

$165K - $200K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 29 days ago

Job description

Quidient is a deep tech AI company pioneering advancements in Generalized (5D) Scene Reconstruction (GSR). GSR is poised to become one of the world's great digital product categories (think GPS, MRI, and LMM). Our flagship GSR product, Quidient Reality®, is a powerful API that enables anyone with a mobile device to virtualize, visualize, and measure anything. Words relevant to Quidient include Generative AI, Physics-Informed AI, Large Scene Models (LSMs), Large World Models (LWMs), and API-First.
Overview
We're seeking an iOS Engineer with deep expertise in mobile 3D applications and spatial computing. You will own end-to-end delivery of major iOS features, driving our product from development to production-ready solutions. This role demands mastery of iOS development, the ability to cut through ambiguity, and ownership of complex systems in a fast-moving environment.
This is a hybrid position, meaning that you will need to live within easy driving distance to our Technology Center in Columbia, Maryland.
What You'll Do
Feature Development & Architecture
  • Own end-to-end delivery of major iOS features, taking Quidient's 5D product and SDK from prototype to production with a focus on reliability and performance.
  • Architect and design new capabilities within existing iOS codebases, establishing patterns that scale as our product line grows.
  • Drive technical decisions on how Quidient builds SDKs and apps from internal frameworks, developing long term sustainable solutions that mature over time.
  • Build and optimize 5D mobile applications leveraging ARKit, RealityKit, Metal, and GPU acceleration for high-performance, low-latency experiences.
  • Collaborate cross functionally with SDET, Algorithm, and Infrastructure teams to harden features for production and integrate CI/CD pipelines.
  • Design and implement RESTful APIs and integrate with server side technologies to support mobile backend communication.
  • Assemble complex solutions from loosely defined requirements, navigating ambiguity.
  • Mentor and influence technical direction across the iOS team as the product scales.
What You Bring
Must-Have Qualifications:
  • Bachelor's degree or higher in Computer Science or related engineering field.
  • 7+ years of industry experience in iOS development; freelance acceptable but must include experience with large, complex codebases (not simple sandbox or siloed apps).
  • 3+ years of experience building 3D applications or working with spatial computing technologies.
  • Deep expertise in iPhone app development using Swift, with recent hands-on iOS.
  • Heavy iOS framework experience including ARKit, AVFoundation, Core Location, Core Motion, VisionKit, RealityKit, ImageIO, and CoreML.
  • Experience developing web based applications using modern front end technologies and server-side technologies.
  • Strong experience in RESTful API design and development.
  • Experience in coding languages such as C++ and Python.
  • Demonstrated ability to assemble complex solutions from loosely defined requirements without clear PRDs or design documentation.
  • Ownership mindset with ability to drive initiatives on a small team with minimal oversight.
  • Live within easy commuting distance of our Technology Center in Columbia, Maryland.
  • This position is not eligible for H-1B sponsorship.
  • Meet Quidient, customer, and government security requirements, which may include, but are not limited to a background check, citizenship verification, and Criminal Justice Information Services verification.
Nice-to-Have Qualifications:
  • Experience deploying high-performance, low-latency applications.
  • Experience creating computer vision or image processing applications.
  • Metal and GPU programming experience.
  • Knowledge of Android app development (Kotlin) or cross-platform frameworks (Flutter).
  • Knowledge of cloud products and platforms, microservice architectures, automation, and API integration.
What We Offer
Compensation:
  • Salary Range: $165,000 - $200,000.
  • Annual bonus and equity as appropriate.
Benefits:
  • Health insurance
  • HSA Account
  • 401(k) with company match
  • Life & disability insurance
  • Paid holidays & generous PTO
  • Opportunities for bonuses, equity, and career growth
Equal Opportunity Employer Statement
Quidient is an Equal Opportunity Employer. Quidient will consider all qualified applicants without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other classification protected by applicable state, federal, or local laws.

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