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Volunteer Java Jobs in Seattle, WA (NOW HIRING)

Otter

Senior Backend Software Engineer

Seattle, WA

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation ... Company-paid life and disability insurance (short- and long-term). * Voluntary insurance: accident ...

Costco IT

Quality Engineer - Costco Travel

Issaquah, WA · On-site

$83K - $107K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The company joins with its employees to take an active role in volunteering by sponsoring many ... Recent development experience in Java (or similar). * Knowledge and understanding of typical multi ...

Shipium

Senior Software Develpment Engineer

Seattle, WA · On-site

$155 - $170/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Produce forward‑looking designs and build microservices in Java, Spring, React, or TypeScript ... volunteer time off Shipium is committed to creating a diverse environment and is proud to be an ...

Oracle Corporation

Senior Principal Software Engineer

Seattle, WA

$142K - $196K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Java that can scale database operations across more than 100 OCI regions with minimal human ... We also encourage employees to give back to their communities through our volunteer programs. We're ...

Otter

Senior Backend Software Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation ... Company-paid life and disability insurance (short- and long-term). * Voluntary insurance: accident ...

Oracle

Principal Software Engineer

Seattle, WA · On-site

$153K - $206K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Strong programming skills in one or more high level programming languages such as Java and/or ... Voluntary benefits including auto, homeowner and pet insurance The role will generally accept ...

ATOMS Careers page

Senior Backend Software Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation ... Company-paid life and disability insurance (short- and long-term). * Voluntary insurance: accident ...

Oracle

Senior Core Infrastructure Engineer

Seattle, WA · On-site

$123K - $167K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in one or more modern programming languages such as Java, Python. Solid understanding ... Voluntary benefits including auto, homeowner and pet insurance The role will generally accept ...

Oracle

Senior Principal Software Engineer

Seattle, WA · On-site

$142K - $196K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Java that can scale database operations across more than 100 OCI regions with minimal human ... We also encourage employees to give back to their communities through our volunteer programs. We're ...

Oracle

Principal Platform Software Engineer

Seattle, WA · On-site

$153K - $206K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with OCI, Kubernetes/containers, Java/Python/TypeScript, service telemetry, and ... Voluntary benefits including auto, homeowner and pet insurance The role will generally accept ...

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All JobsVolunteer Java JobsVolunteer Java Jobs in Seattle, WA

Volunteer Java information

See Seattle, WA salary details

$17

$64

$88

How much do volunteer java jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for volunteer java in Seattle, WA is $64.52, according to ZipRecruiter salary data. Most workers in this role earn between $55.82 and $72.21 per hour, depending on experience, location, and employer.

What is a Volunteer Java?

A Volunteer Java job is an unpaid role where individuals contribute their Java programming skills to support a project, organization, or community initiative. Volunteers may help with coding, debugging, testing, or improving software applications. These roles are typically found in non-profits, open-source projects, or educational initiatives. It’s a great opportunity to gain hands-on experience, expand your portfolio, and contribute to meaningful projects while improving Java skills.

What kind of projects might I work on as a Volunteer Java developer?

As a Volunteer Java developer, you'll typically work on software projects that support non-profit organizations, educational programs, or open-source initiatives. Projects might include building and maintaining web applications, automating processes for nonprofits, or contributing to digital tools used by community groups. You may collaborate with other volunteers, designers, and project managers in a remote or hybrid team environment. This experience offers the chance to strengthen your technical skills, expand your professional network, and make a positive impact while learning to navigate real-world software development challenges.

What are the key skills and qualifications needed to thrive in the Volunteer Java position, and why are they important?

To thrive as a Volunteer Java developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development practices, often demonstrated through coursework, self-study, or project experience. Familiarity with systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and participation in code collaboration platforms like GitHub is advantageous. Excellent communication, teamwork, and time management skills help you contribute effectively to projects and adapt to a volunteer-driven workflow. These skills are crucial for delivering high-quality code, collaborating within diverse teams, and ensuring the success of community-driven or non-profit software initiatives.

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

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

What are popular job titles related to Volunteer Java jobs in Seattle, WA?

For Volunteer Java jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Volunteer Java jobs in Seattle, WA look for?

The top searched job categories for Volunteer Java jobs in Seattle, WA are:

Volunteer Java jobs near you
Infographic showing various Volunteer Java job openings in Seattle, WA as of August 2026, with employment types broken down into 83% Full Time, 16% Part Time, and 1% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $134,209 per year, or $64.5 per hour.

Senior Software Engineer - Full Stack/Backend

Worldscape Technology Inc.

Redmond, WA

$130K - $160K/yr

Full-time

Re-posted 13 hours ago

Job description

Worldscape is a cutting-edge platform designed to unify distributed data, sensors, and intelligent agents across cloud, on-prem, and edge environments. By combining geospatial intelligence, physics-based 3D simulation, and reward-driven AI, Worldscape enables organizations to build immersive digital twins for predictive modeling, scenario planning, and adaptive decision-making. With a zero-trust security framework, seamless integration with legacy systems, and robust developer tools, Worldscape empowers rapid deployment of agentic applications that drive resilience and efficiency in sectors like logistics, telecom, defense, and infrastructure. 
Responsibilities:
  • Design and implement backend services and APIs to power scalable, secure, and efficient agentic solutions.  
  • Develop and optimize data pipelines for ingestion, transformation, and real-time processing of large datasets.  
  • Architect distributed systems leveraging cloud platforms (Azure, AWS, or GCP) and containerization (Docker/Kubernetes) for high availability and fault tolerance.  
  • Integrate backend logic with front-end frameworks(React, Next.js, Typescript) to deliver seamless user experiences.  
  • Design and implement security best practices across authentication, authorization, and data protection layers.  
  • Collaborate with cross-functional teams including product management, design, and QA to align technical solutions with business goals.  
  • Conduct code reviews and enforce standards for performance, reliability, and security.  
  • Continuously research and integrate emerging technologies such as LLM orchestration, multi-agent systems, and knowledge graphs.  
  • Document architecture and technical decisions for transparency, scalability, and maintainability.  
  • Influence platform evolution by contributing to low-code/no-code capabilities and innovative AI-driven features. 
  • Fundamental understanding of the customer goal and end-to-end customer journey. 
Professional Qualifications:
  • Bachelor’s degree in Computer Science, AI/ML, Data Engineering, or related field.
  • Experience building AI-driven applications or distributed systems.
  • Strong proficiency in one or more modern programming languages (e.g., C#, Java, Python, or C++).
  • Demonstrated passion for solving customer problems and delivering high-quality solutions.
  • 4-10+ years of hands-on experience with data pipelines, cloud platforms (Azure, AWS, or GCP), and containerization (Docker/Kubernetes).
  • Familiarity with LLM frameworks, agent orchestration, and knowledge representation techniques.
  • Proven ability to work in agile environments, managing ambiguity and delivering impactful outcomes.
Preferred Qualifications:
  • Experience in building AI-driven applications or distributed systems.
  • Hands-on experience developing full-stack solutions (React, Next.js, Typescript, Node.js) 
  • Experience with nsjail, Firecracker and MS Orleans preferred.
  • Experience with vector databases, semantic search, and prompt engineering.
  • Knowledge of reinforcement learning, planning algorithms, or multi-agent coordination.
  • Familiarity with LLM frameworks, agent orchestration, and knowledge representation techniques.
Final compensation will be determined based on factors such as experience, skills, and qualifications. In addition to base salary, this role may be eligible for performance-based bonuses and equity awards. 
Why Worldscape? 
There is nothing more important to Worldscape than our culture. It is the fundamental means by which we will succeed as an organization. Talent, ability, drive, experience, knowledge cannot be maximized without first embracing the culture we espouse and will live every single day.  Worldscape offers great benefits, opportunities for continued growth, and the ability to directly affect change in our organization and be part of a high-growth startup at a pivotal stage. 

What we offer: 
- Competitive salary and meaningful equity 
- Attractive benefits package  
- Flexible time off policy 
- Medical, Dental and Vision insurance 
- HSA health insurance options 
- 401k plan 
- Basic and Voluntary Life Insurance
- Fast paced environment with flexibility and ownership
 
Worldscape is committed to creating a diverse and inclusive workplace and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, color, gender identity or expression, marital status, national origin, disability, protected veteran status, race, religion, pregnancy, sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Employment is contingent upon successful completion of a background check.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.