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Contractual Full Stack Java Developer Jobs in Seattle, WA

Merican

Sr Full Stack Java Developer

Bellevue, WA · On-site

$59.25 - $76.50/hr

Our client provider of digital technology and transformation, information technology and services Position: Sr Full Stack Java Developer Location: Bellevue WA Duration: 6 Months Job Type: Temporary ...

Highbrow

Java Full Stack Developer

Seattle, WA

$59.75 - $77.25/hr

Senior Software Development Engineer (Full Stack Java/React) Summary of Position We are looking for a Senior Software Development Engineer with strong experience in both backend and frontend ...

Prophecy Technologies

Java Full Stack Developer

Everett, WA · On-site

$58 - $74.75/hr

Java Full Stack Developer Location: Everett, WA Work Type: 100% On-Site Eligibility: US Citizens & Green Card Holders Only Roles & Responsibilities * Design, program, and debug software features ...

My3Tech Inc

Full Stack Engineers

Issaquah, WA · On-site +1

Java, JavaScript, React, WebSphere Commerce Engineer * Need 10+ folks, so a range of Front End, Full Stack and Back End, Full Stack. * If someone is a killer React Engineer - send them along * If ...

Nastech Global

Java Full Stack Developer

Seattle, WA · On-site

$59.75 - $77/hr

Java Full Stack Developer Location: Seattle, WA(Onsite) Job Type: Full Time 1. JEE Frameworks (Spring MVC, Spring Boot, Spring Security, Spring IOC, Spring DAO, Spring Data, Spring JPA, Struts ...

DevSelect

Java Developer

Redmond, WA

$57 - $74/hr

Full Stack Enterprise Engineer Oracle Database Management Java J2EE JSP Ajax JQuery Nice to have Retail experience

DevSelect

Java Developer

Redmond, WA · On-site

$57 - $74/hr

Enterprise level and experience with Oracle Database Management. • Full Stack Enterprise Engineer • Oracle Database Management • Java • J2EE • JSP • Ajax • JQuery Nice to have Retail ...

WorkNovas LLC

Java Full Stack Engineer

Issaquah, WA · On-site

$60.50 - $78.25/hr

Role-Java Full Stack Engineer +Spring Boot + React + GCP Location- Issaquah, WA (Hybrid ) Duration -12+ months Role Overview The Java Full Stack Engineer will be responsible for developing backend ...

E-Solutions

Java developer

Kirkland, WA

$55/hr

Redmond, WA ( Day 1 onsite) GC/Citizen/GCEAD * 8+ Years of experience Java full stack developer, Spring, REST Services, hands on Java 8 / Java 11 * Cloud, DevOps, docker, Azure. * Terraform, Bicep ...

supremesoft

Java Full stack Developer

Bellevue, WA · On-site

$59 - $76/hr

St Louis, MO & Bellevue, WA, Tukwila, WA More than 3 years of experience being a full-stack developer Deep knowledge of Agile development methodologies Deep knowledge of Java 8.1/Spring Boot/Docker ...

supremesoft

Java Full stack Developer

Bellevue, WA · On-site

$59 - $76/hr

St Louis, MO & Bellevue, WA, Tukwila, WA More than 3 years of experience being a full-stack developer Deep knowledge of Agile development methodologies Deep knowledge of Java 8.1/Spring Boot/Docker ...

Sarian, Inc.

Java Full Stack with UI

Seattle, WA · On-site

$59.75 - $77/hr

Java Full Stack with UI * Highly skilled at front end engineering using HTML5 and CSS, JavaScript and JS libraries and frameworks. * Experience with client-side frameworks such as Angular or React.

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Contractual Full Stack Java Developer information

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$66

$88

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

As of Jun 19, 2026, the average hourly pay for contractual 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 are the key skills and qualifications needed to thrive as a Contractual Full Stack Java Developer, and why are they important?

To thrive as a Contractual Full Stack Java Developer, you need strong proficiency in Java, front-end and back-end frameworks (such as Spring Boot and Angular or React), and a solid understanding of software development life cycles, typically backed by a relevant degree or certifications. Familiarity with development tools like Git, CI/CD pipelines, RESTful APIs, and databases (SQL/NoSQL) is essential, and certifications like Oracle Certified Java Programmer can be advantageous. Excellent problem-solving, time management, and communication skills help manage client expectations and collaborate effectively with remote teams. These skills ensure the delivery of scalable, maintainable solutions within tight deadlines, which is crucial for success in a contractual environment.

What is a Contractual Full Stack Java Developer?

A Contractual Full Stack Java Developer is a software professional hired on a contract basis to design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They are skilled in creating user interfaces, handling server-side logic, working with databases, and integrating APIs. Their contracts may range from a few months to over a year, depending on project requirements. These developers often work with frameworks like Spring Boot for the backend and technologies like JavaScript, HTML, and CSS for the frontend.

What are some common challenges faced by Contractual Full Stack Java Developers when integrating with existing systems?

Contractual Full Stack Java Developers often encounter challenges when integrating new features with legacy systems, including inconsistent documentation, differing technology stacks, and limited access to internal resources. Navigating these issues requires strong problem-solving skills, effective communication with in-house teams, and the ability to quickly understand existing codebases. Working contractually also means managing time efficiently to meet project milestones despite these integration hurdles.

What is the difference between Contractual Full Stack Java Developer vs Software Engineer?

AspectContractual Full Stack Java DeveloperSoftware Engineer
CredentialsJava certifications, relevant degreesComputer Science degree, programming skills
Work EnvironmentContract-based projects, client sites, remoteFull-time employment, office or remote
Industry UsageIT services, software development firmsTech companies, startups, enterprises
Search IntentContract roles, Java development, full stackSoftware development, coding, engineering roles

Contractual Full Stack Java Developers focus on short-term projects with specific deliverables, often working on client sites or remotely. Software Engineers typically hold full-time roles within organizations, involved in designing and developing software solutions. While both roles require Java skills and programming knowledge, the contractual nature and project scope distinguish them.

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:
Contractual Full Stack Java Developer jobs near you
Sr Full Stack Java Developer

Sr Full Stack Java Developer

Merican

Bellevue, WA • On-site

$59.25 - $76.50/hr

Contractor

Posted 11 days ago

Job description

Overview:
TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to our clients world-wide. Our client provider of digital technology and transformation, information technology and services
Position: Sr Full Stack Java Developer
Location: Bellevue WA
Duration: 6 Months
Job Type: Temporary Assignment
Work Type: Hybrid
Job Description:
  • Engineer, Software - Full Stack designs, develops, and delivers scalable software solutions that enable scalable, highly available, and secure systems across the enterprise.
  • This role partners closely with architects, product owners, data engineers, and privacy stakeholders to build services and platforms that support regulatory compliance while maintaining performance and scalability.
  • The engineer leads technical design and implementation of UI, microservices, APIs, and event-driven architectures, and contributes to system architecture, automation, and reliability.
  • Success is measured by the quality, scalability, and reliability of delivered software, adherence to privacy and compliance requirements, and the ability to influence technical outcomes across teams.
  • In addition to backend services, this role designs and builds responsive, accessible, and performant user interfaces, delivering end-to-end features across UI, API, and data layers.

What You'll Do:
  • Design and build responsive, accessible, and performant user interfaces using React
  • Deliver end-to-end features across UI, API, and data layers, ensuring consistency in design, performance, and security
  • Develop and maintain automated UI and end-to-end test suites using Playwright or equivalent
  • Design, develop, test, and deploy high-quality software solutions using Java and Spring Boot
  • Build scalable, high-performing RESTful APIs and microservices aligned with privacy and compliance requirements
  • Implement and support event-driven and message-based architectures using Kafka or similar technologies
  • Build scalable ETL frameworks using object-oriented Python and Java programming languages
  • Collaborate with cross-functional teams, including product, architecture, data, and privacy, to deliver compliant solutions
  • Contribute to system and application architecture, including service design, data flows, and integration patterns
  • Participate in code reviews, agile ceremonies, and technical design discussions
  • Troubleshoot and resolve complex software issues across development and production environments
  • Develop and maintain CI/CD pipelines, automation, and deployment workflows
  • Write and maintain clear technical documentation, including design documents and system specifications
  • Continuously evaluate and adopt modern technologies to improve system performance, reliability, and maintainability
  • Daily use of AI productivity tools (Claude, Cursor) is required across the software development lifecycle -including design, API and microservice development, code generation, code review, testing, debugging, deployment, documentation, and production support.
  • Design, build, and operate AI agents that automate software engineering tasks such as generating boilerplate code for new microservices, creating unit and API tests, analyzing logs, triaging incidents, and supporting CI/CD pipelines.
  • Build and integrate AI-enabled capabilities into backend services and APIs using foundation models, prompt engineering, and retrieval-augmented generation (RAG) patterns.
  • Implement audit logging, observability, and human-in-the-loop controls for AI agents and AI-assisted workflows running in Tier-0 production environments.

What You'll Bring:
  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience
  • 6+ years of software engineering experience, building and supporting enterprise-grade applications
  • Strong experience working in Agile or Scrum-based development environments
  • Demonstrated ability to work independently on complex technical problems while collaborating across teams
  • Strong analytical, problem-solving, and communication skills
  • Demonstrated experience building production user interfaces with React
  • Familiarity with foundation models, prompt engineering, retrieval-augmented generation (RAG), and AI agent development applied to full-stack application development, including enterprise reusable solutions

Must Have Skills:
  • Strong experience with JavaScript/TypeScript and React for building production user interfaces
  • Proficiency with messaging and event-driven systems such as Kafka
  • Experience with frontend build tooling, package management, and component-based design
  • Experience with end-to-end and UI test automation using Playwright or equivalent
  • Proficiency with front-end technologies, including HTML, CSS, JavaScript, and Webpack
  • Strong experience with Python object-oriented programming, Java, and Spring Boot
  • Experience building scalable REST APIs and microservices
  • Experience working with JSON and XML, including schema validation
  • Experience with Git, GitLab, and CI/CD automation
  • Hands-on experience working on Unix OS and proficient in shell scripting
  • Experience developing test automation using tools such as JUnit or Karate
  • Proficiency with API testing tools such as Postman
  • Experience working with relational databases and writing complex SQL
  • Experience with containerization and orchestration tools such as Docker and Kubernetes
  • Strong experience using observability and telemetry tools such as Splunk, AppDynamics, or Grafana
  • Hands-on experience with AI productivity tools (Claude and Cursor or similar IDE) and working knowledge of foundation models, prompt engineering, retrieval-augmented generation (RAG), and AI agent development.

Nice to Have:
  • Experience with Snowflake or cloud-based data platforms
  • Network Domain experience
  • Experience working in cloud-native environments (Azure, AWS, or GCP)
  • Experience contributing to system architecture or platform-level design decisions

TekWissen® Group is an equal opportunity employer supporting workforce diversity.
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About Merican

Sourced by ZipRecruiter

Merican is a IT Service consulting firm, specialized in Digital adoption and Business automation. With our diverse collection of skilled and committed consultants, technology companies, businesses and digital experts, we provide our subject expertise and our unique client service approach, a best-in-class global model of delivery suited to the business demands of our clients. We ensure that we implement future-oriented solutions for our clients via investments in people, solutions, technologies, competencies and infrastructure.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Columbia , MD, US

Year founded

2020

Social media

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