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Backend Developer Internship Jobs in California (NOW HIRING)

Java Backend Developer with 6+ months of hands-on experience, internship, or project experience in Java development. The ideal candidate should have a strong foundation in backend development ...

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 ...

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 ...

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 ...

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

You'll work across the full stack, collaborating with engineers on frontend, backend, and ... This isn't just another internship - it's an investment in your growth. The ideal Clerkie team ...

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

Apply Early

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

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

You will work across the stack, from reliable backend services and APIs to intuitive applications ... Qualifications: * 1-4 years of software engineering experience (post-internship). * Proven ability ...

Software Engineer Internship This is a high-impact internship where you'll write real code, ship ... Investigate and troubleshoot real customer issues across frontend and backend systems * Work ...

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Backend Developer Internship information

See California salary details

$11

$56

$83

How much do backend developer internship jobs pay per hour?

As of Jul 5, 2026, the average hourly pay for backend developer internship in California is $56.98, according to ZipRecruiter salary data. Most workers in this role earn between $46.73 and $67.36 per hour, depending on experience, location, and employer.

What is a Backend Developer Internship job?

A Backend Developer Internship is a temporary, hands-on learning opportunity for students or entry-level developers to gain experience in backend development. Interns typically work with databases, APIs, and server-side logic using languages like Python, Java, or Node.js. They collaborate with senior developers to build, optimize, and maintain backend systems. This internship helps develop technical skills, problem-solving abilities, and an understanding of industry best practices.

What are the key skills and qualifications needed to thrive in the Backend Developer Internship position, and why are they important?

To thrive as a Backend Developer Intern, you need a foundational understanding of server-side programming languages (such as Python, Java, or Node.js), databases, and algorithms, often supported by coursework in computer science or a related field. Experience with version control systems like Git and familiarity with API development and frameworks are common technical requirements. Strong problem-solving abilities, effective communication, and a willingness to learn help interns integrate smoothly within development teams. These skills are crucial for building reliable backend services, collaborating with peers, and adapting quickly to new technologies and workplace expectations.

What kinds of projects and tasks do Backend Developer Interns typically work on during their internship?

Backend Developer Interns often collaborate with experienced engineers to help design, develop, and maintain server-side logic, databases, and APIs. Common tasks include writing code for backend services, participating in code reviews, testing and debugging features, and assisting with database queries or schema updates. Interns may also be involved in integrating third-party services, automating system processes, and learning about best practices in software development. This hands-on experience helps interns build practical skills and gain insight into how production systems operate, preparing them for more advanced developer roles in the future.

What are the most commonly searched types of Backend Developer jobs in California? The most popular types of Backend Developer jobs in California are:
What are popular job titles related to Backend Developer Internship jobs in California? For Backend Developer Internship jobs in California, the most frequently searched job titles are:
What job categories do people searching Backend Developer Internship jobs in California look for? The top searched job categories for Backend Developer Internship jobs in California are:
What cities in California are hiring for Backend Developer Internship jobs? Cities in California with the most Backend Developer Internship job openings:
Infographic showing various Backend Developer Internship job openings in California as of June 2026, with employment types broken down into 2% As Needed, 81% Full Time, 4% Part Time, 2% Temporary, and 11% Contract. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution, with an average salary of $118,514 per year, or $57 per hour.
Java Backend Developer

Java Backend Developer

Flexton

San Francisco, CA • On-site

$40 - $45/hr

Other

Posted 13 days ago


Job description

Java Backend Developer

Java Backend Developer – Local to Bay Area – Hybrid Rate: $40-$45/hr on W2

Visa independent candidates and no C2C

Master's degree in Computer Science or related field from top 10 colleges/universities in the US.

Job Description:

Java Backend Developer with 6+ months of hands-on experience, internship, or project experience in Java development. The ideal candidate should have a strong foundation in backend development concepts and be eager to contribute to scalable backend systems and APIs.

Key Responsibilities:
  • Assist in developing, testing, and maintaining backend applications using Java and related frameworks.
  • Support the design and implementation of REST APIs and backend services.
  • Collaborate with senior developers to build scalable and reliable applications.
  • Work closely with frontend developers to integrate user-facing elements with backend services.
  • Write clean, reusable, and efficient code following coding standards.
  • Participate in debugging, troubleshooting, and performance optimization activities.
  • Work with relational and NoSQL databases such as SQL and Cassandra.
  • Gain exposure to cloud platforms like Azure and backend deployment processes.
  • Participate in code reviews, testing, and application deployment activities.
  • Learn and adopt new technologies and best practices to improve development efficiency.
Required Skills and Qualifications:
  • 6+ months of hands-on experience, internship, academic projects, or training in Java development.
  • Master's degree in Computer Science or related field from top colleges/universities in the US.
  • Visa-independent candidates preferred.
  • Basic understanding of Java, OOP concepts, and backend development.
  • Familiarity with SQL and exposure to NoSQL databases like Cassandra.
  • Basic knowledge or exposure to Azure or other cloud platforms.
  • Understanding of data structures and algorithms fundamentals.
  • Familiarity with RESTful APIs and microservices concepts.
  • Strong analytical and problem-solving skills.
  • Ability to work in a collaborative team environment and willingness to learn.
  • Exposure to testing tools/frameworks is a plus.