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Volunteer Backend Developer Internship Jobs in California

gotothewater

back end developers

Los Angeles, CA · On-site

Currently we welcomes a volunteer to work with us as Lead web designer, A Long Beach based,CA ... As a Back-end developer, you'll work closely with our engineers to ensure system consistency and ...

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 ...

Otter

Backend Engineer

Mountain View, CA · On-site

$137K - $173K/yr

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

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

$137K - $173K/yr

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

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 ...

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

Anything

Backend Engineer - AI

San Francisco, CA · On-site

$125 - $150/hr

Nice to have 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 ...

NimbleRx

Senior Backend Engineer

Redwood City, CA · On-site

$205K - $240K/yr

Mentor junior engineers and interns * Promote best practices and high-quality development ... with backend APIs, services, and platform development * Rich development experience with Java ...

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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 6% Internship, 67% Full Time, 10% Part Time, and 17% Contract. Highlights an 89% In-person, and 11% Remote job distribution.

back end developers

gotothewater

Los Angeles, CA • On-site

Full-time

Posted 10 days ago

Job description

gotothewater is not yet funded peer-to-peer boat rentals and water sports activity providers where we will focus on disrupt the $27Billion market.

Whether tourists want to rent a boat at the best price or boat owners make money with their own boat, gotothewater connects owners and renters in complete trust for you to enjoy in-water activities, founded in 2020, we are happy to call Dar Es Salaam our home we bridge the boating and in-water holiday world in a way it has never been connected before.

Currently we welcomes a volunteer to work with us as Lead web designer, A Long Beach based,CA talent will work with us remotely on his or her home

We prefer the Long Beach based since we plan to relocate in long beach, CA through some days and establish our base in silicon beach

Job brief

We are looking for an experienced Back-end developer to join our IT team. You will be responsible for the server side of our web applications.

If you have excellent programming skills and a passion for developing applications or improving existing ones, we would like to meet you. As a Back-end developer, you’ll work closely with our engineers to ensure system consistency and improve user experience.

Ultimately, you should be able to develop and maintain functional and stable web applications to meet our company’s needs.

Responsibilities

  • Participate in the entire application lifecycle, focusing on coding and debugging
  • Write clean code to develop functional web applications
  • Troubleshoot and debug applications
  • Perform UI tests to optimize performance
  • Manage cutting-edge technologies to improve legacy applications
  • Collaborate with Front-end developers to integrate user-facing elements with server side logic
  • Gather and address technical and design requirements
  • Provide training and support to internal teams
  • Build reusable code and libraries for future use
  • Liaise with developers, designers and system administrators to identify new features
  • Follow emerging technologies

Requirements

  • Proven work experience as a Back-end developer
  • In-depth understanding of the entire web development process (design, development and deployment)
  • Hands on experience with programming languages like Java, Ruby, PHP and Python
  • Working knowledge of CMS framework
  • Familiarity with front-end languages (e.g. HTML, JavaScript and CSS)
  • Excellent analytical and time management skills
  • Teamwork skills with a problem-solving attitude
  • BSc degree in Computer Science or relevant field

for the interested volunteer please send the application to eliezerfrank2020@gmail.com

Apply