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Volunteer Backend Developer Internship Jobs in California

3B Staffing LLC

Backend Developer

San Francisco, CA · Remote

Minimum 8+ (will take 4-5) years of post-internship, full-time, hands-on, professional software ... Familiarity with software engineering best practices such as unit/integration/end-to-end testing ...

New

3B Staffing LLC

Backend Developer

San Francisco, CA · Remote

Minimum 8+ (will take 4-5) years of post-internship, full-time, hands-on, professional software ... Familiarity with software engineering best practices such as unit/integration/end-to-end testing ...

New

D3

Backend Engineer - New Grad

Los Angeles, CA · On-site

Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). * 0-2 years of professional experience in backend development (internships ...

D3

Backend Engineer - New Grad

Los Angeles, CA · On-site

Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). * 0-2 years of professional experience in backend development (internships ...

D3

Backend Engineer - New Grad

Los Angeles, CA · On-site

Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). * 0-2 years of professional experience in backend development (internships ...

ATOMS Careers page

Backend Engineer

Mountain View, CA · On-site

$137K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop robust APIs and developer tools to improve team efficiency and scalability. * Product ... HSA options) * Company-paid life and disability insurance (short- and long-term) * Voluntary ...

Otter

Backend Engineer

Mountain View, CA · On-site

$137K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop robust APIs and developer tools to improve team efficiency and scalability. * Product ... HSA options) * Company-paid life and disability insurance (short- and long-term) * Voluntary ...

ATOMS Careers page

Backend Engineer

Mountain View, CA · On-site

$137K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop robust APIs and developer tools to improve team efficiency and scalability. * Product ... HSA options) * Company-paid life and disability insurance (short- and long-term) * Voluntary ...

Otter

Backend Engineer

Mountain View, CA · On-site

$137K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop robust APIs and developer tools to improve team efficiency and scalability. * Product ... HSA options) * Company-paid life and disability insurance (short- and long-term) * Voluntary ...

ATOMS Careers page

Senior Backend Engineer

Mountain View, CA · On-site

$176K - $242K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Knowledge of CI/CD pipelines and DevOps practices * Track record of improving developer ... HSA options) * Company-paid life and disability insurance (short- and long-term) * Voluntary ...

ATOMS Careers page

Senior Backend Engineer

Mountain View, CA · On-site

$176K - $242K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Knowledge of CI/CD pipelines and DevOps practices * Track record of improving developer ... HSA options) * Company-paid life and disability insurance (short- and long-term) * Voluntary ...

GFiber

Backend Engineer

Sunnyvale, CA · On-site

... DevOps engineers, product managers, and other stakeholders to deliver end-to-end solutions that ... Disclosure is voluntary, and this information will be kept confidential in compliance with Google ...

Anything

Backend Engineer - AI

San Francisco, CA · On-site

$125K - $200K/yr

Prior internships in AI, backend, or infrastructure engineering * Previously been one of the first 10 hires at startup * Personal projects that show initiative, creativity, and independent thinking

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Volunteer Backend Developer Internship information

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 California? For Volunteer Backend Developer Internship jobs in California, the most frequently searched job titles are:
What job categories do people searching Volunteer Backend Developer Internship jobs in California look for? The top searched job categories for Volunteer Backend Developer Internship jobs in California are:
What cities in California are hiring for Volunteer Backend Developer Internship jobs? Cities in California with the most Volunteer Backend Developer Internship job openings:
Volunteer Backend Developer Internship jobs near you
Infographic showing various Volunteer Backend Developer Internship job openings in California as of August 2026, with employment types broken down into 29% Internship, 57% Full Time, 7% Part Time, and 7% Contract. Highlights an 93% In-person, and 7% Remote job distribution.

Backend Developer

3B Staffing LLC

San Francisco, CA • Remote

Full-time

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

Job description

Qualifications for this role:
  • Minimum 8+ (will take 4-5) years of post-internship, full-time, hands-on, professional software development experience developing distributed backend systems at scale.
  • Expertise in Python and Golang
  • Experience with distributed systems, microservices architecture, and handling high-throughput workloads
  • Familiarity with software engineering best practices such as unit/integration/end-to-end testing, design documents, CI/CD, A/B testing, code reviews, and documentation
  • Strong organizational skills, the ability to prioritize tasks and keep projects on schedule.
  • Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences.
  • BS degree in Computer Science, a similar technical field of study or equivalent practical, professional, hands-on experience.
  • You love to build new things and thrive in ambiguity and even failure. You care about innovation.
  • Experience with message queues (Kafka, RabbitMQ), caching systems (Redis, Memcached), and database technologies (SQL and NoSQL)
  • Experience with GraphQL, REST, HTTP, and the ability to design maintainable APIs

Apply