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Volunteer Backend Developer Internship Jobs in Seattle, WA

OpenAI

Backend Software Engineer (Evals)

Seattle, WA · On-site

$230K - $385K/yr

From customer operations to engineering, we develop an ecosystem of automation products that ... excluding internships) * Proficiency in backend technologies. Our tech stack includes Python ...

ATOMS Careers page

Senior Backend Engineer

Seattle, WA · On-site

$167K - $230K/yr

As a Backend Engineer, you'll design, implement, and optimize systems that power mission-critical ... Company-paid life and disability insurance (short- and long-term). * Voluntary insurance: accident ...

ATOMS Careers page

Senior Backend Engineer

Seattle, WA

$167K - $230K/yr

As a Backend Engineer, you'll design, implement, and optimize systems that power mission-critical ... Company-paid life and disability insurance (short- and long-term). * Voluntary insurance: accident ...

Otter

Senior Backend Engineer

Seattle, WA · On-site

$167K - $230K/yr

As a Backend Engineer, you'll design, implement, and optimize systems that power mission-critical ... Company-paid life and disability insurance (short- and long-term). * Voluntary insurance: accident ...

Otter

Senior Backend Engineer

Seattle, WA · On-site

$167K - $230K/yr

As a Backend Engineer, you'll design, implement, and optimize systems that power mission-critical ... Company-paid life and disability insurance (short- and long-term). * Voluntary insurance: accident ...

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Volunteer Backend Developer Internship information

See Seattle, WA salary details

$13

$65

$96

How much do volunteer backend developer internship jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for volunteer backend developer internship in Seattle, WA is $65.70, according to ZipRecruiter salary data. Most workers in this role earn between $53.89 and $77.69 per hour, depending on experience, location, and employer.

What is a volunteer backend developer internship?

A Volunteer Backend Developer Internship is an unpaid position where individuals gain practical experience by working on the server-side of web applications. Interns typically help design, build, and maintain the logic, databases, and APIs that power websites or apps. This role is ideal for those looking to build their technical skills, contribute to meaningful projects, and improve their resumes while supporting non-profit organizations or startups. It often involves working with technologies like Python, Node.js, Java, SQL, or cloud platforms. The experience gained can be valuable when applying for paid developer roles in the future.

What types of projects and technologies can I expect to work on as a volunteer backend developer intern?

As a Volunteer Backend Developer Intern, you'll typically collaborate with a team to build or enhance software solutions for non-profit or community-driven projects. Common responsibilities include developing APIs, managing databases, and ensuring server-side performance using technologies such as Python, Node.js, or Java, and tools like PostgreSQL or MongoDB. You'll often work in agile teams, participate in code reviews, and have the opportunity to learn from experienced developers. This role provides valuable exposure to real-world software development practices and teamwork, making it a great stepping stone for your career.

What are the key skills and qualifications needed to thrive as a volunteer backend developer intern, and why are they important?

To thrive as a Volunteer Backend Developer Intern, you need a good understanding of programming languages such as Python, Java, or Node.js, along with knowledge of databases and basic computer science principles. Familiarity with version control systems like Git, cloud platforms, and frameworks such as Django or Express is typically expected. Strong problem-solving skills, adaptability, and effective communication help interns collaborate and learn quickly within a team. These skills are essential for contributing to real-world projects, building reliable backend systems, and accelerating your professional development in software engineering.

What is the difference between Volunteer Backend Developer Internship vs Backend Developer?

AspectVolunteer Backend Developer InternshipBackend Developer
CredentialsTypically no formal degree required; some programming knowledgeBachelor's in CS or related field often preferred
Work EnvironmentNon-profit or open-source projects, flexible hoursCorporate or startup environments, full-time or part-time
Employer & IndustryNon-profit organizations, open-source communitiesTech companies, startups, various industries
Search & Comparison IntentVolunteer opportunities, internships, entry-level rolesFull-time employment, career advancement

The Volunteer Backend Developer Internship is an entry-level, unpaid or low-paid position focused on gaining experience in non-profit or open-source settings. In contrast, a Backend Developer is a paid, professional role in various industries, often requiring formal education and offering career growth opportunities.

What are popular job titles related to Volunteer Backend Developer Internship jobs in Seattle, WA?

For Volunteer Backend Developer Internship jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Volunteer Backend Developer Internship jobs in Seattle, WA look for?

The top searched job categories for Volunteer Backend Developer Internship jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Volunteer Backend Developer Internship jobs?

Cities near Seattle, WA with the most Volunteer Backend Developer Internship job openings:

Volunteer Backend Developer Internship jobs near you

Backend Engineer, Developer & End-user Experience Platform

United States Digital Space LLC

Seattle, WA • On-site

$120 - $210/hr

Other

Posted 13 days ago

Job description

Who we are About the company

the company is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use the company to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career.

About the team

the company's Developer & End-user Experience Platform (DEEP) organization empowers all of the company's products with a shared product platform that helps with rapidly delivering high-quality, cross-product experiences across our UI and API surfaces. It focuses on providing a consistent and scalable developer experience that any developer (both internal and external) can leverage to accelerate a merchant's ability to create value using the company.

Team matching — exact team matching for one of the subteams will begin during final stages. Please note we may also consider you for different orgs based on your experience, location, etc. More information on our team matching process can be found here.

What you’ll do

We're looking for Backend Engineers who want to make an impact on managing money at a global scale with a passion for building ergonomic APIs. You'll play a key role in extending our balance management platform and in building out a new funds accessibility platform that enterprises and SMBs use. Our team collaborates with many cross-functional teams—from Infrastructure to Product—at the company to deliver innovative solutions that address evolving user needs.

Responsibilities
  • Scope, design, build, and maintain APIs, services, and large-scale systems that reliably and efficiently handle billions of money movement requests
  • Debug and solve critical production issues across services and multiple levels of the stack
  • Mentor engineers to help them grow
  • Collaborate with stakeholders across the company to build new features at large-scale, while improving internal engineering standards, tooling, and processes
  • Collaborate effectively in a distributed and hybrid team, maintaining open communication and strong connections with colleagues
Who you are

We're looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement.

Minimum requirements
  • 2–12+ years of industry software engineering experience (does not include internships or co-ops)
  • Strong coding skills in any programming language (we understand new languages can be learned on the job, so our interview process is language-agnostic)
  • Strong collaboration skills and the ability to work across workstreams within your team and contribute to your peers' success
  • Ability to thrive with a high level of autonomy and responsibility, with an entrepreneurial mindset
  • Interest in working as a generalist across varying technologies and stacks to solve problems and delight both internal and external users
Preferred qualifications
  • Experience with large-scale financial tracking systems
  • Good understanding and practical knowledge in cloud-based services (e.g., gRPC, GraphQL, Docker and Kubernetes, cloud services such as AWS, etc.)
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