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Sr Java Api Developer Jobs in Seattle, WA (NOW HIRING)

CYNET SYSTEMS

Java Developer

Issaquah, WA · On-site

$56 - $61/hr

... API, SpringBoot, Docker, and Kubernetes. Responsibilities: * Deliver innovative capabilities that ... Mentor a team of engineers, fostering a culture of continuous learning and improvement.

inteletech

Senior/Lead Java Engineer

Seattle, WA · On-site

Senior/Lead Java Engineer Location: Seattle, WA (Looking for only local candidates) Long Term Contract Strong preference for local candidates (who will be hybrid), but remote is an option for the ...

Maxotech Solutions LLC

Java Developer

Bellevue, WA

$57.50 - $74.50/hr

Calibri,sans -serif">Working experience in Development of REST API * family:Calibri,sans -serif ... Calibri,sans -serif">BS in Computer Science or Engineering (or comparable technical discipline) is ...

Walmart

Senior, Software Engineer - Java

Bellevue, WA · On-site

$141K - $185K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... API gateway. Our tech stack includes Java for backend services and ReactJS for frontend development ... Exposure to developer productivity, observability, or DevOps tools. * Open-source contributions or ...

Walmart

Senior, Software Engineer - Java

Bellevue, WA · On-site

$108K - $216K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... API gateway. Our tech stack includes Java for backend services and ReactJS for frontend development ... Exposure to developer productivity, observability, or DevOps tools. * Open-source contributions or ...

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 ... The role will support Spring Boot API development, React UI implementation, third-party API ...

SwiftCruit

Senior Software Engineer, API/SDK

Seattle, WA · On-site

$191 - $253/hr

About the Team The Lattice SDK team is at the forefront of building Anduril's developer ecosystem ... Strong programming experience in multiple languages (Python, Java, Go, C++, or similar) with ...

Avani Technology Solutions, Inc.

Java Developer

Seattle, WA · On-site

$58.25 - $75.50/hr

Java Developer Seattle, WA 98104 Long Term No C2C at this moment, any Visa okay. Thanks! • 7+ ... REST API developing from scratch and using REST and familiar with SOAP • Computer Science ...

Adept Solutions Inc.

Java Developer

Bellevue, WA · On-site

$57.50 - $74.50/hr

Java Developer III, 6-10 years experience Senior Programmer/Analyst responsibilities include but not limited to: Design, program, test, implement, document and maintain computing applications. Lead ...

Slope

Senior Software Engineer, API/SDK

Seattle, WA · On-site

$180 - $240/hr

ABOUT THE TEAM The Lattice SDK team is at the forefront of building Anduril's developer ecosystem ... Strong programming experience in multiple languages (Python, Java, Go, C++, or similar) with ...

USM

SDK Java developer-----Need GC and USC

Seattle, WA · On-site

$58 - $75/hr

SDK Library Java developer Duration: 2 years Seattle, WA Need GC and USC TOP 3 Skills * Windows ... Some API's may be 1000 lines of code some may be 20. Some have high security and network ...

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How much do sr java api developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for sr java api developer in Seattle, WA is $71.50, according to ZipRecruiter salary data. Most workers in this role earn between $62.64 and $79.90 per hour, depending on experience, location, and employer.

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Sr Java Api Developer jobs near you
Infographic showing various Sr Java Api Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 10% Part Time, and 6% Contract. Highlights an 82% Physical, 8% Hybrid, and 10% Remote job distribution, with an average salary of $148,719 per year, or $71.5 per hour.

Java Developer

CYNET SYSTEMS

Issaquah, WA • On-site

$56 - $61/hr

Contractor

Re-posted 9 days ago

Job description

Job Overview:

Pay Range: $56hr - $61hr

Requirement/Must Have:

  • 10+ years of experience in Java development.
  • 5+ years of experience in Google Cloud Platform (GCP).
  • 4+ years of experience in Microservices, API, SpringBoot, Docker, and Kubernetes.

Responsibilities:

  • Deliver innovative capabilities that enhance the member experience across various digital touchpoints.
  • Build microservice components from the ground up.
  • Ensure the longevity, scalability, and quality of our systems through continuous improvement, comprehensive documentation, meticulous profiling, and significant performance enhancements.
  • Mentor a team of engineers, fostering a culture of continuous learning and improvement.
  • Accountable for Website Platform’s overall architecture, strategically applying principles that promote availability, reusability, interoperability, and security within the design framework.
  • Establish and maintain engineering best practices to deliver higher quality, scalable solutions.
  • Mentor and develop software engineers by providing guidance, coaching, and fostering a culture of continuous learning.
  • Establish and maintain coding standards, architectural patterns, and development processes to deliver higher quality, scalable solutions.
  • Understand the full technology stack and underlying applications, services, and databases in order to ensure optimal performance.
  • Work cross-functionally to pilot innovative technologies and capabilities that enhance overall member experience and drive business operational efficiencies.
  • Perform development, debugging, optimization, and automation activities to support the implementation of the product/application.
  • Use test-driven development practices to assist with the detection of software defects early in the development process.
  • Conduct peer code reviews for the changes made by other engineers within the team.
  • Accountable for defining specifications and documentation across all phases of the product development cycle, from design to implementation.
  • Work with the product team on defining the product strategy and roadmap.
  • Estimate, plan, and manage all implementation tasks and report on progress.
  • Regular and reliable workplace attendance at your assigned location.

Skills:

  • Java.
  • SpringBoot.
  • REST.
  • Docker.
  • Kubernetes.
  • Pub Sub.
  • GitHub.
  • Jenkins.
  • GCP.
  • Redis.

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
Cynet Systems logo

About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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