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Freelance Python Jobs in Seattle, WA (NOW HIRING)

Alignerr

Data Platform Engineer (Python)

Seattle, WA · Remote

Data Platform Engineer (Python) About the Role What if your Python expertise could directly shape ... Freelance autonomy with the structure and consistency of ongoing project-based work * Make a ...

SysMind Tech

Platform Engineer

Seattle, WA · On-site

... e.g Python) to automate routine tasks and streamline workflows. • Implement continuous ... Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No

Alignerr

Mathematics Expert (Masters/PhDs)

Seattle, WA · Remote

$47.80K - $63.80K/yr

Comfortable coding in Python, MATLAB, or Mathematica for research or problem-solving ... Freelance autonomy with the structure of meaningful, intellectually stimulating work * Make a ...

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How much do freelance python jobs pay per hour?

As of May 28, 2026, the average hourly pay for freelance python in Seattle, WA is $66.75, according to ZipRecruiter salary data. Most workers in this role earn between $55.00 and $75.82 per hour, depending on experience, location, and employer.

What is a Freelance Python job?

A Freelance Python job involves working independently on projects that require Python programming skills. Freelancers typically handle tasks such as web development, data analysis, automation, machine learning, and scripting for clients. They may find work through freelance platforms, direct client outreach, or networking. This type of role offers flexibility in terms of workload and schedule, but also requires strong self-management and marketing skills to secure projects.

What are the key skills and qualifications needed to thrive in the Freelance Python position, and why are they important?

To thrive as a Freelance Python developer, you should have strong proficiency in Python programming, expertise in frameworks relevant to your focus area (such as Django, Flask, or data science libraries), and a solid understanding of software development practices. Familiarity with version control tools like Git, cloud platforms such as AWS or Azure, and optional certifications like the PCEP or PCAP can enhance your credibility. Excellent communication, time management, and self-motivation are vital soft skills to succeed independently and deliver client satisfaction. These abilities ensure you can manage diverse projects, meet deadlines, and build a reliable professional reputation in the competitive freelance market.

What types of projects do Freelance Python developers typically work on?

Freelance Python developers often tackle a wide range of projects, from building web applications and automation scripts to developing data analysis tools or working on machine learning models. Depending on your skills and interests, you may work with startups, established businesses, or individuals on short-term tasks or longer, ongoing projects. Typical responsibilities include writing clean, maintainable code, troubleshooting bugs, integrating APIs, and sometimes collaborating remotely with other developers, designers, or project managers. This variety allows you to continually expand your expertise and choose assignments that align with your career goals or preferred industries.
More about Freelance Python jobs
What are the most commonly searched types of Python jobs in Seattle, WA? The most popular types of Python jobs in Seattle, WA are:
What are popular job titles related to Freelance Python jobs in Seattle, WA? For Freelance Python jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Freelance Python jobs in Seattle, WA look for? The top searched job categories for Freelance Python jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Freelance Python jobs? Cities near Seattle, WA with the most Freelance Python job openings:
Freelance Python jobs near you
Infographic showing various Freelance Python job openings in Seattle, WA as of May 2026, with employment types broken down into 3% Internship, 9% Full Time, 55% Part Time, and 33% Contract. Highlights an 20% Physical, 27% Hybrid, and 53% Remote job distribution, with an average salary of $138,841 per year, or $66.8 per hour.

Data Platform Engineer (Python)

Alignerr

Seattle, WA • Remote

Other

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Data Platform Engineer (Python)
About the Role
What if your Python expertise could directly shape the infrastructure that trains and evaluates the most advanced AI systems in the world? We're looking for a Senior Python Full-Stack Engineer to design and build the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on.
This is a fully remote, flexible contract role for an experienced engineer who thrives on high-impact, technically challenging work. If you've spent years building production Python systems and want to apply that experience at the frontier of AI development - this is the role.
  • Organization
    : Alignerr
  • Type
    : Hourly Contract
  • Location
    : Remote
  • Commitment
    : 20-40 hours/week
What You'll Do
  • Design, build, and optimize high-performance Python systems supporting AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control
  • Improve reliability, performance, and safety across existing Python codebases
  • Collaborate with data, research, and engineering teams to support model training and evaluation workflows
  • Identify bottlenecks and edge cases in data and system behavior, and implement scalable, production-ready fixes
  • Participate in synchronous design reviews to iterate on system architecture and implementation decisions
Who You Are
  • Native or fluent English speaker with clear written and verbal communication skills
  • Full-stack developer with a strong systems programming background
  • 5+ years of professional experience writing production Python for data engineering
  • Proficient with workflow orchestration tools to manage complex dependency graphs
  • Experienced with dataframe processing libraries and cloud data warehouse SDKs in Python
  • Self-directed and reliable - able to commit 20-40 hours per week and deliver consistently
Nice to Have
  • Prior experience with data annotation, data quality, or model evaluation systems
  • Familiarity with AI/ML workflows, model training pipelines, or benchmarking infrastructure
  • Experience with distributed systems or developer tooling
  • Background working with or alongside AI research teams
Why Join Us
  • Work on real production systems used by leading AI research labs
  • Fully remote and async-friendly - work from wherever you do your best work
  • Freelance autonomy with the structure and consistency of ongoing project-based work
  • Make a tangible impact on the infrastructure powering next-generation AI models
  • Potential for extended engagement and additional projects as the work evolves

Apply