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Freelance Full Stack Software Engineer Jobs in Seattle, WA

OpenAI

Full Stack Software Engineer, Codex

Seattle, WA · On-site

$255K - $405K/yr

About the Role We're hiring a Full Stack Software Engineer to help invent the next generation of AI-powered software development workflows. "Full stack" in this role means much more than traditional ...

NICE

Senior Full Stack Software Engineer

Seattle, WA · On-site

Have you got what it takes? * 5+ years of professional software engineering experience with strong full-stack fundamentals * Proficiency in TypeScript/Node.js or Go on the backend and React ...

Jobless

Senior Full Stack Software Engineer

Seattle, WA · On-site

$120 - $180/hr

About the Role We're hiring a Full Stack Software Engineer to help us build and evolve the product layer of Integrate's platform. This role spans the full stack -- from React-based UI surfaces to Go ...

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Freelance Full Stack Software Engineer information

See Seattle, WA salary details

$50.6K

$153.4K

$216.8K

How much do freelance full stack software engineer jobs pay per year?

As of Aug 29, 2026, the average yearly pay for freelance full stack software engineer in Seattle, WA is $153,373.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,300.00 and $179,800.00 per year, depending on experience, location, and employer.

What does a freelance full stack software engineer do?

A Freelance Full Stack Software Engineer is an independent contractor who designs, develops, and maintains both the front-end (client-side) and back-end (server-side) components of web or software applications. They work with a variety of programming languages, frameworks, and tools to build complete, functional products for clients or companies. Their responsibilities often include gathering project requirements, coding, debugging, deploying applications, and sometimes managing databases or cloud infrastructure. Freelance full stack engineers have the flexibility to choose their projects and clients, often working remotely or on a contract basis.

What are the key skills and qualifications needed to thrive as a freelance full stack software engineer?

To thrive as a Freelance Full Stack Software Engineer, you need strong proficiency in both front-end (e.g., HTML, CSS, JavaScript) and back-end (e.g., Node.js, Python, databases) development, often supported by a relevant degree or portfolio of work. Familiarity with version control systems like Git, cloud platforms such as AWS or Azure, and frameworks like React and Django is typically required. Exceptional communication, self-motivation, and time management skills help you manage client relationships and deliver projects independently. These competencies ensure you can handle diverse project requirements, maintain client trust, and consistently deliver high-quality, end-to-end solutions.

What are some common challenges faced by freelance full stack software engineers, and how can they be managed?

Freelance full stack software engineers often navigate challenges such as managing client expectations, balancing multiple projects, and keeping up with rapidly evolving technologies. Communication is key—setting clear project milestones and maintaining regular updates helps ensure alignment with clients. Additionally, effective time management and continuous learning are vital to juggling diverse tasks and staying competitive in the field. Building a reliable professional network can also help with referrals and collaborative opportunities.

What are the most commonly searched types of Full Stack Software Engineer jobs in Seattle, WA?

The most popular types of Full Stack Software Engineer jobs in Seattle, WA are:

What are popular job titles related to Freelance Full Stack Software Engineer jobs in Seattle, WA?

For Freelance Full Stack Software Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Freelance Full Stack Software Engineer jobs in Seattle, WA look for?

The top searched job categories for Freelance Full Stack Software Engineer jobs in Seattle, WA are:

Freelance Full Stack Software Engineer jobs near you
Infographic showing various Freelance Full Stack Software Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $153,373 per year, or $73.7 per hour.

Full Stack Software Engineer, Operations Software (Starlink)

United States Digital Space LLC

Redmond, WA • On-site

$150 - $210/hr

Other

Posted 3 days ago

New

Job description

the company was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today the company is actively developing the technologies to make this possible, with the ultimate goal ofenabling human life on Mars.

FULL STACK SOFTWARE ENGINEER, OPERATIONS SOFTWARE (STARLINK)

Starlink is the world’s largest satellite constellation and is providing fast, reliable internet to millions of users worldwide. As a member of the Starlink Operations Software team at the company, you'll build the user interfaces and backend to enable safe and efficient operations for all Starlink satellites and ground assets. Your products are the operational tools operations, engineering, and reliability teams rely on. In this role you'll curate smooth user experiences with thoughtful designs while limiting software complexity. Your contributions will directly impact operational safety for satellites and the ability to scale the network.

RESPONSIBILITIES:
  • Develop well-architected, highly reliable, responsive, and performant web applications to command, control, and monitor thousands of assets
  • Create aesthetic and easy-to-use user interfaces that reduce the operational load of operators and maintain high guardrails for safety
  • Collaborate with other engineers on architecture, design, and code reviews
  • Maintain highest standards of excellence, never settle for the status quo
  • Partner closely with operations teams to understand real mission needs and translate them into elegant technical solutions
  • Deep dive into businessproblems, find efficient solutions and apply first principles thinking
BASIC QUALIFICATIONS:
  • Bachelor's degree in computer science, engineering, or a STEM discipline and 1+ years of experience building full-stack software; OR 3+ years of professional experience building full-stack software in lieu of a degree (internship experience is applicable)
  • 1+ years of experience in full stack development, software engineering, data engineering, or data science
PREFERRED SKILLS AND EXPERIENCE:
  • Frontend experience in Angular, React, or a similar JavaScript framework
  • Programming experience in Pythonor similar object-oriented language
  • Experience with PostgreSQL, CockroachDB, or similar relational database technologies
  • Production experience with infrastructure tools such as Docker and Kubernetes
  • Experience with version control, continuous integration, and continuous delivery systems
  • Expertise in profiling and improving application performance
  • Experience with build systems (Make, Bazel/Pants/Buck, Gradle) and package management tools (pip, npm)
  • Strong attention to detail
  • A drive to deliver exceptional operations tools and willingness to own all outcomes
ADDITIONAL REQUIREMENTS:
  • Must be willing to work extended hours and weekends as needed
  • Ability to work on an \
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