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Backend Developer Internship Jobs in California (NOW HIRING)

CA ยท On-site

Design and implement backend services and APIs to support AI applications and model integrations ... Demonstrated interest in generative AI through academic projects, hackathons, internships, research ...

Full-Stack / Backend Engineer -- Construction Technology The Opportunity Our client is building the ... Exceptional new grads with strong internships, co-ops, or projects may be considered Prior ...

Full-Stack / Backend Engineer - Construction Technology The Opportunity Our client is building the ... Exceptional new grads with strong internships, co-ops, or projects may be considered Prior ...

Full-Stack / Backend Engineer -- Construction Technology The Opportunity Our client is building the ... Exceptional new grads with strong internships, co-ops, or projects may be considered Prior ...

Role Overview As a Software Engineer Intern, Backend at Serval, you'll work directly on core parts of our platform as we build AI-powered automation for modern IT teams. This is a hands-on internship ...

Agent Engineering Intern

Los Altos, CA ยท On-site

$35 - $55/hr

... developer tool, backend system, or open-source contribution. * Hands-on experience building a ... Semester or quarter interns must commit at least 20 hours per week; summer interns should be ...

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Backend Developer Internship information

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How much do backend developer internship jobs pay per hour?

As of Sep 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?

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 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 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 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 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 August 2026, with employment types broken down into 100% Internship. Highlights an 100% In-person job distribution, with an average salary of $118,514 per year, or $57 per hour.

Agentic AI Developer

ThunderSoft

CA โ€ข On-site

Other

Posted 5 days ago


Job description

Key Responsibilities

  • Develop and prototype agentic AI applications and workflows using large language models and modern AI frameworks.
  • Build AI agents capable of reasoning, tool use, task orchestration, information retrieval, and interaction with external systems and APIs.
  • Develop and integrate LLM-powered applications, including retrieval-augmented generation (RAG), multi-agent systems, and AI-assisted automation.
  • Design and implement backend services and APIs to support AI applications and model integrations.
  • Integrate LLMs with structured and unstructured data sources, APIs, databases, and software tools.
  • Develop evaluation and validation workflows to measure AI model and agent performance, accuracy, reliability, and tool-use behavior.
  • Perform data processing, transformation, and analysis to support AI development and evaluation.
  • Experiment with prompt engineering, model configurations, retrieval techniques, and agent architectures to improve system performance.
  • Write clean, maintainable, and well-tested code using modern software engineering practices.
  • Troubleshoot application, model integration, and data pipeline issues.
  • Participate in code reviews, testing, documentation, and continuous integration/deployment processes.
  • Research emerging developments in generative AI, LLMs, agent frameworks, and AI development tools and apply relevant technologies to engineering projects.
  • Collaborate with engineers and other technical stakeholders to translate requirements into functional AI solutions.

Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, Data Science, Information Systems, or a related technical field, or equivalent practical experience.
  • Strong programming skills in Python and familiarity with at least one additional programming language such as JavaScript/TypeScript, Java, C/C++, or Rust.
  • Experience with agentic AI or LLM orchestration frameworks such as LangChain, LangGraph, CrewAI, or similar technologies.
  • Experience developing multi-agent systems or AI applications involving autonomous task execution and tool use.
  • Experience with OpenAI APIs, Hugging Face, Ollama, or other commercial or open-source LLM platforms.
  • Familiarity with RAG pipelines, vector databases, semantic search, or FAISS.
  • Experience with machine learning frameworks such as PyTorch, TensorFlow, or scikit-learn.
  • Experience with backend frameworks such as FastAPI, Flask, or Node.js.
  • Familiarity with SQL and/or NoSQL databases.
  • Experience with Docker, CI/CD, GitHub Actions, or cloud platforms such as AWS, Google Cloud, or Azure.
  • Exposure to AI model evaluation, benchmarking, automated validation, or data quality workflows.
  • Experience using AI-assisted software development tools such as GitHub Copilot, Cursor, Claude Code, or similar tools.
  • Demonstrated interest in generative AI through academic projects, hackathons, internships, research, or open-source contributions.