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Contract Full Stack Java Developer Jobs in Seattle, WA

Full Stack .NET Developer with Telecom Domain Location : Seattle, WA Duration : 6+ Months Minimum ... Java, J2EE Application Framework, Windows Shell/PowerShell scripting, Microsoft Transact SQL ...

Full Stack .NET Developer with Telecom Domain Location : Seattle, WA Duration : 6+ Months โ€ข ... Java, J2EE Application Framework, Windows Shell/PowerShell scripting, Microsoft Transact SQL ...

Type: Contract * Job #106054 Full Stack Engineer II (Contract) Are you a skilled Full Stack ... This is an exciting opportunity to work with modern technologies including Java, Spring Boot, React ...

Redmond, WA(Locals) Duration :18 Months Contract Need 10+ years experience Full stack developer with Solid Azure Stack experience, PowerShell understanding, ASP, and UI development experience ...

Java Developer

Seattle, WA ยท On-site

$58 - $75/hr

Seattle, WA(Remote till Covid-19) Duration: 12 Months Contract Job Responsiblities: Must-Have Skills * Exceptional Java programming skills, with hands-on programming/application development ...

Full Stack Engineer

Seattle, WA ยท On-site

$125 - $150/hr

One of Confiz's largest retail clients is seeking a highly skilled Senior Full Stack Engineer to ... Develop robust backend services and APIs using Java, Node.js, or similar technologies * Design and ...

Senior Full Stack Developer

Seattle, WA ยท On-site

$12K - $17K/yr

The Senior Full Stack Developer is a senior technical contributor and emerging people leader ... Experience with one or more of the following: js, Java, PHP * Ability to build APIs, services, and ...

Senior Full Stack Developer

Seattle, WA ยท On-site

$125 - $150/hr

The Senior Full Stack Developer is a senior technical contributor and emerging people leader ... Experience with one or more of the following: js, Java, PHP * Ability to build APIs, services, and ...

Senior Full Stack Developer

Seattle, WA ยท On-site

$125 - $150/hr

The Senior Full Stack Developer is a senior technical contributor and emerging people leader ... Experience with one or more of the following: js, Java, PHP * Ability to build APIs, services, and ...

Senior Full Stack Developer

Seattle, WA ยท On-site

$12K - $17K/yr

The Senior Full Stack Developer is a senior technical contributor and emerging people leader ... Experience with one or more of the following: js, Java, PHP * Ability to build APIs, services, and ...

Java Full Stack with UI

Seattle, WA ยท On-site

$59.75 - $77/hr

Highly skilled at front end engineering using HTML5 and CSS, JavaScript and JS libraries and ... Full Stack (Server + Client) development experience. * Fundamentals in OOPs Design. * Excellent ...

Java Full Stack with UI

Seattle, WA ยท On-site

$59.75 - $77/hr

Highly skilled at front end engineering using HTML5 and CSS, JavaScript and JS libraries and ... Full Stack (Server + Client) development experience. * Fundamentals in OOPs Design. * Excellent ...

Showing results 41-60

Contract Full Stack Java Developer information

See Seattle, WA salary details

$12

$66

$88

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

As of Sep 8, 2026, the average hourly pay for contract full stack java developer in Seattle, WA is $66.10, according to ZipRecruiter salary data. Most workers in this role earn between $57.45 and $74.13 per hour, depending on experience, location, and employer.

What is a contract full stack Java developer?

A Contract Full Stack Java Developer is a software professional hired on a temporary basis to design, develop, and maintain applications using Java for both front-end and back-end components. They are responsible for handling the entire software stack, including databases, servers, APIs, and client-side interfaces. Contract developers often work for a specific project or time frame, providing flexibility for employers and the opportunity to work on diverse projects for developers. They are expected to have expertise in Java technologies, as well as familiarity with frameworks, databases, and front-end tools.

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

To thrive as a Contract Full Stack Java Developer, you need strong proficiency in Java, front-end technologies (such as HTML, CSS, JavaScript), and experience with frameworks like Spring Boot and React or Angular, typically supported by a relevant degree or industry certifications. Familiarity with tools such as Git, CI/CD pipelines, RESTful APIs, and cloud platforms like AWS or Azure is usually required. Excellent problem-solving, adaptability, and communication skills help developers excel in dynamic, project-based environments. These competencies ensure you can deliver robust, scalable solutions effectively while collaborating with diverse teams and adapting to varied client requirements.

What are common challenges contract full stack Java developers face when joining new projects?

Contract Full Stack Java Developers often encounter challenges such as quickly adapting to new codebases, understanding existing architectural decisions, and integrating with unfamiliar development workflows. Since contracts are typically time-bound, there's pressure to deliver results efficiently while building relationships with established teams. Effective communication and the ability to rapidly learn project-specific tools and frameworks are crucial for success in these environments.

What is the difference between Contract Full Stack Java Developer vs Contract Java Backend Developer?

AspectContract Full Stack Java DeveloperContract Java Backend Developer
Primary FocusDeveloping both frontend and backend applications using Java and related technologiesFocusing mainly on server-side Java development, APIs, and backend logic
Required SkillsJava, JavaScript, HTML/CSS, frameworks like Spring Boot, Angular or ReactJava, Spring Boot, REST APIs, database integration
Work EnvironmentFull-stack development teams, client-facing projects, agile environmentsBackend teams, API development projects, server-side architecture

Contract Full Stack Java Developers typically handle both frontend and backend tasks, requiring knowledge of Java and frontend technologies. In contrast, Contract Java Backend Developers focus primarily on server-side development, APIs, and database integration. Both roles are common in enterprise and tech companies, but the full stack role demands a broader skill set, while the backend role specializes in server-side logic.

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

The most popular types of Full Stack Java Developer jobs in Seattle, WA are:

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

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

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

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

Infographic showing various Contract Full Stack Java Developer job openings in Seattle, WA as of July 2026, with employment types broken down into 63% Full Time, 9% Part Time, and 28% Contract. Highlights an 91% In-person, and 9% Hybrid job distribution, with an average salary of $137,479 per year, or $66.1 per hour.

Full Stack Developer (contract)

Bellevue, WA โ€ข On-site

Fresh Consulting
Business Management Consultingย โ€ขย 201 - 500 employees

$80 - $100/hr

Other

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


Job description

We are Fresh. Together, letโ€™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 wonโ€™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 projectโ€”and specifically an AV Sync projectโ€”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 โ€” 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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