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Freelance Full Stack Software Developer Jobs in Seattle, WA

MORSE Corp

Full Stack Software Engineer

Seattle, WA · On-site

MORSE is seeking a skilled Full Stack Software Engineer to join one or more projects in big data, artificial intelligence, autonomous vehicle mission planning, decision systems, and their ...

MORSE Corp

Full Stack Software Engineer

Seattle, WA · On-site

They are seeking a skilled Full Stack Software Engineer to develop and maintain web applications, collaborate on cloud deployment, and contribute to innovative software solutions for various DoD ...

NiCE

Senior Full Stack Software Engineer

Seattle, WA · On-site

They are seeking a Senior Full Stack Software Engineer to join their U.S.-based R&D team, focusing on building AI-powered customer experience solutions and accelerating development workflows.

MORSE Corp

Full Stack Software Engineer

Seattle, WA · On-site

$90K - $210K/yr

MORSE is seeking a skilled Full Stack Software Engineer to join one or more projects in big data, artificial intelligence, autonomous vehicle mission planning, decision systems, and their ...

Wise Skulls

Full Stack Developer

Seattle, WA · On-site

To be disclosed JD: * 5-8 years of experience in full-stack software development * Strong backend experience with Java (Spring Boot) * Hands-on experience with React, JavaScript (ES6+), HTML, and CSS

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Freelance Full Stack Software Developer information

See Seattle, WA salary details

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$67

$97

How much do freelance full stack software developer jobs pay per hour?

As of Jul 2, 2026, the average hourly pay for freelance full stack software developer in Seattle, WA is $67.44, according to ZipRecruiter salary data. Most workers in this role earn between $56.06 and $77.69 per hour, depending on experience, location, and employer.
What are the most commonly searched types of Full Stack Software Developer jobs in Seattle, WA? The most popular types of Full Stack Software Developer jobs in Seattle, WA are:
Freelance Full Stack Software Developer jobs near you
Full-Stack Software Developer (Svelte + Rust )

Full-Stack Software Developer (Svelte + Rust )

Stoke Space

Kent, WA • On-site

Full-time

Posted 8 days ago

Job description

Job Summary:
Stoke Space is dedicated to building a sustainable and equitable future through the development of advanced space transportation systems. As a Full-Stack Software Developer on the Data Team, you will design and implement data visualization and analysis tools that enhance the efficiency of engineering tasks and monitor supercomputer performance. This role involves working on high-performance web UIs and scalable systems while mentoring peers and contributing to a strong technical culture.
Responsibilities:
• Develop and maintain full-stack visualization tools for hardware and software analysis
• Design intuitive front-end interfaces and robust back-end systems for monitoring the performance and health of supercomputer systems
• Partner with cross-functional teams to design features that meet real-world, time-sensitive needs
• Ensure high performance, reliability, and scalability of visualization tools across both front-end and back-end systems
• Continuously improve existing tools and develop new features to meet evolving requirements
• Mentor engineers and contribute to a strong technical culture
• Participate in a low-friction on-call rotation; our platform is stable, but the company depends on what we build
Qualifications:
Required:
• 3 - 5 years of experience in software development
• Demonstrated expertise in full-stack development, particularly building tools for scientific computing, manufacturing workflows, or infrastructure monitoring/visualization
• Hands-on experience with time series data visualization libraries and platforms ( ex: Plotly, Highcharts, etc)
• Ability to design and maintain complex systems on AWS
• Professional experience with Rust building backend systems, tooling, and APIs
• Experience building modern web applications using frameworks such as React
• Solid understanding of full-stack architecture, design principles, and best practices
• Excellent problem-solving skills and attention to detail
• Strong communication skills and a track record of effective collaboration in team environments
• Strong product intuition and customer empathy; you care about the why behind the code
• Proven leadership taking ideas from concept to production at scale
Preferred:
• Experience with Svelte
• Experience with real-time systems (WebRTC, WebSockets, LiveKit)
• Familiarity with graphics technologies (WebGPU, WebGL)
• Background in aerospace
Company:
Stoke Space develops fully reusable Nova rockets for orbital space mobility. Founded in 2019, the company is headquartered in Kent, USA, with a team of 201-500 employees. The company is currently Growth Stage.

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