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Full Stack Software Developer Contract Jobs in Seattle, WA

Full Stack Software Engineer, Codex

Seattle, WA ยท On-site

$255K - $405K/yr

The team is also responsible for developer-facing Codex experiences including the Codex IDE ... About the Role We're hiring a Full Stack Software Engineer to help invent the next generation of AI ...

About the Role We're hiring a Full Stack Software Engineer to help us build and evolve the product ... contract from interface design to error handling and observability. * Write and maintain CI/CD ...

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Full Stack Software Developer Contract information

See Seattle, WA salary details

$27

$67

$97

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

As of Sep 8, 2026, the average hourly pay for full stack software developer contract 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 is a full stack software developer contract?

A Full Stack Software Developer Contract job is a temporary or project-based role where a developer is responsible for working on both the front-end and back-end of a software application. Contractors are typically hired for a set duration or until a project is completed and may work with multiple clients. They are expected to have expertise in various programming languages, frameworks, and databases to build and maintain complete web applications. This role often provides flexibility in work arrangements but requires strong problem-solving skills and adaptability to different tech stacks.

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

A Full Stack Software Developer on contract needs proficiency in both front-end and back-end technologies, such as JavaScript frameworks, server-side languages, and databases, along with a solid understanding of software development principles. Familiarity with tools like Git, containerization platforms (e.g., Docker), CI/CD pipelines, and cloud services, as well as relevant certifications, is often expected. Excellent problem-solving abilities, adaptability, and strong communication skills are essential for efficiently collaborating in dynamic environments and managing multiple project requirements. These skills enable success in delivering high-quality, scalable solutions within set deadlines while meeting client or organizational needs.

What are some typical challenges faced by full stack software developers in contract roles?

Full Stack Software Developers working on contract often face the challenge of quickly adapting to new codebases and team workflows, as projects may vary widely between clients. They may need to work independently while also collaborating with in-house developers, designers, and project managers to align on technical and business requirements. Managing tight deadlines, prioritizing tasks, and learning unfamiliar technologies or systems on the fly are common aspects of the role. Adapting quickly and maintaining clear communication are key to ensuring successful project delivery and ongoing client satisfaction.

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:

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

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

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

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

What cities near Seattle, WA are hiring for Full Stack Software Developer Contract jobs?

Cities near Seattle, WA with the most Full Stack Software Developer Contract job openings:

Infographic showing various Full Stack Software Developer Contract job openings in Seattle, WA as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 86% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 3% Hybrid, and 12% Remote job distribution, with an average salary of $140,275 per year, or $67.4 per hour.

Full Stack Developer (contract)

Fresh Consulting

Bellevue, WA โ€ข On-site

$60 - $85/hr

Contractor

Posted 11 days ago


Key responsibilities

  • Support discovery and technical validation for the AV Sync sound-based synchronization approach

  • Prototype and implement mobile functionality for iOS

  • Conduct on-site testing in Salt Lake City to validate performance in the real physical environment


Job description

We are Fresh. Together, let’s build the future. With partners and clients, we practice strategy, design, development, and engineering to harness the power of technology and create what's next.
Our cross-disciplinary approach blends human ingenuity and technology, empowering us to meet uncertainty with confidence. What got us to today won’t get us to tomorrow, so we test our assumptions and always strive for growth. From the products we build to the partners we collaborate with; we believe people make the difference.
And we do so as a workforce representative of the communities we serve, understanding that a diverse workforce strengthens our organization. We value diversity and support a positive and welcoming environment where all of our employees can thrive.
Why join Fresh?
Fresh Consulting is a fast-paced, design-led, software development and hardware engineering company, offering end-to-end services to help companies innovate. We bring together amazing UX Designers, sophisticated developers, digital strategists, and top-notch engineers to help companies create fresh experiences that connect humans, systems, and machines. We've been growing fast and need someone to help us continue to manage the delivery of high-quality work in a fast-paced environment. See more at freshconsulting.com.
Who you are:
You are a full-stack technologist with strong mobile development experience across iOS, and a passion for delivering value to customers by leveraging the latest technologies in a simple, sustainable, scalable, and secure way. You are not only a platform specialist, but a problem-solver who can move quickly through ambiguity, prototype solutions, test in real-world conditions, and collaborate with technical leads to determine the right implementation approach. You enjoy raising the bar for creative, technical, and simple solutions that deliver value. If so, read on!
What we need:
Our clients project—and specifically an AV Sync project—requires a hands-on technologist who can support discovery, prototyping, mobile implementation, and on-site testing in Salt Lake City, Utah.
We are looking for a well-rounded Full Stack Developer who is well-versed in the latest technologies and industry trends, a self-starter who can contribute to projects end-to-end, and someone who is excited about the opportunity to collaborate. This individual will help validate and implement a sound-based AV synchronization solution the app.
Core Responsibilities

  • Support discovery and technical validation for the AV Sync sound-based synchronization approach
  • Prototype and implement mobile functionality for iOS 
  • Conduct on-site testing in Salt Lake City to validate performance in the real physical environment
  • Troubleshoot synchronization issues across mobile devices, AV content, and environmental conditions
  • Collaborate with project leadership and technical stakeholders to refine the implementation strategy
  • Document technical findings, assumptions, risks, and recommendations
  • Help determine whether the final solution requires additional engineering support or can remain lightweight
  • Build flexible, scalable implementation patterns that avoid dependency on a single AV Sync vendor
  • Develop, test, and launch scalable web and mobile apps
  • Consult on client projects to make recommendations on the technology stack, development workflow, QA process, deployment strategy, etc.
  • Stay current on latest technologies and best practices


Desired Skills

  • 3+ years of software development experience
  • Strong mobile development experience across iOS
  • 2+ years' experience in a frontend framework like ReactJS, AngularJS, etc.
  • 1+ year experience in backend technology like NodeJS, C# or Java, Golang, Scala, Python, etc.
  • 1+ year experience in databases like MySQL, MS SQL, MongoDB, NoSQL, etc.
  • Experience working with NPM, Maven, or Gradle
  • Understanding of Object-Oriented Programming and MVC architecture patterns
  • Experience setting up and deploying apps through a CI/CD pipeline
  • Experience collaborating with and troubleshooting technical issues with client teams
  • Strong ability to communicate with customers, both business and technical audiences
  • Proven ability to work in a fast-paced, team environment
  • Creative analytical skills — ability to "think outside the box" and move from concept to implementation


Bonus Skills

  • Experience with audio/AV synchronization, media playback, or real-time systems
  • Understanding of software architecture, data structures, and algorithms
  • Experience with devOps technologies such as Docker, AWS, Azure, etc.
  • Experience working with third-party web APIs
  • Experience integrating with third-party SDKs
  • Strong UI/UX skills and understanding of usability concepts
  • Some experience with cross-browser, platform, and device manual/automated testing


Education
Bachelor's degree in the areas of Computer Science, engineering, mathematics, statistics, or 4+ years of equivalent experience. 
Equal employment opportunity: All qualified persons will be considered for employment without regard to race, color, religion, sex, national origin, age, marital status, familial status, gender identity, sexual orientation, disability for which a reasonable accommodation can be made or any other status protected by law. Assistance will be gladly provided upon request for any applicant with sensory or non-sensory disabilities.
*Fresh Consulting is a participating E-Verify company. 
freshconsulting.com
Compensation offered will be determined by factors such as location, level, job-related knowledge, skills, and experience. Range $60-$80 hourly 

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