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Senior Engineering Intern Jobs in California (NOW HIRING)

You'll work closely with senior engineers who are actively rebuilding how we write software, and ... For the AI-First Engineering Intern, we will conduct a background check that may include the ...

You'll work closely with senior engineers who are actively rebuilding how we write software, and ... For the AI-First Engineering Intern, we will conduct a background check that may include the ...

$40/hr

Software Engineering Intern/Freshman/Sophomore: $30.00/hour Software Engineering Intern/Junior/Senior: $34.00/hour Software Engineering Intern/Completed Bachelor's: $36.00/hour Software Engineering ...

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Senior Engineering Intern information

What is a senior engineering intern?

Senior Engineering Interns are students or recent graduates, often in the later stages of their engineering education, who take on advanced internship roles within engineering teams. They typically possess more experience than entry-level interns and are entrusted with more complex tasks such as assisting with project design, analysis, and sometimes leading smaller sub-projects. Their responsibilities may include conducting research, collaborating with engineers, preparing technical documentation, and contributing to problem-solving efforts. This role provides valuable hands-on experience and prepares interns for full-time engineering positions after graduation.

What does a senior engineering intern do?

As a Senior Engineering Intern, you can expect to take on more complex and independent projects than entry-level interns. You'll likely be involved in designing, testing, and implementing solutions, as well as collaborating closely with full-time engineers. Senior interns may also mentor junior interns, participate in code reviews, and contribute to team meetings or project planning sessions. This elevated responsibility not only deepens your technical skills but also provides valuable experience in teamwork and leadership within a professional engineering environment.

What skills and qualifications does a senior engineering intern need?

To thrive as a Senior Engineering Intern, you need a strong grasp of engineering fundamentals, analytical problem-solving abilities, and enrollment in or completion of a relevant engineering program. Familiarity with CAD software, simulation tools, and project management systems, along with any relevant certifications, is typically expected. Strong teamwork, effective communication, and initiative are standout soft skills in this role. These skills and qualities are crucial for contributing meaningfully to engineering projects, adapting quickly, and supporting the team’s success.

What is the difference between Senior Engineering Intern vs Engineering Intern?

AspectSenior Engineering InternEngineering Intern
Required CredentialsTypically pursuing or holding a bachelor's or master's degree in engineering; some experience or previous internship may be preferredUsually enrolled in an undergraduate engineering program, often in early years
Work EnvironmentHands-on project work, mentorship, and collaboration with engineering teamsLearning-focused tasks, assisting with projects, and gaining industry experience
Employer & Industry UsageUsed in tech, manufacturing, and engineering firms for advanced internship rolesCommon across various engineering sectors for entry-level internship positions

The main difference between a Senior Engineering Intern and an Engineering Intern lies in experience and responsibilities. Senior Engineering Interns typically have more academic progress or prior experience, allowing them to handle more complex tasks and contribute more independently. Engineering Interns are usually in earlier stages of their education, focusing on learning and supporting ongoing projects. Both roles serve as valuable stepping stones into engineering careers, with the senior role offering greater exposure and responsibility.

What are the most commonly searched types of Senior Engineering jobs in California?

The most popular types of Senior Engineering jobs in California are:

What cities in California are hiring for Senior Engineering Intern jobs?

Cities in California with the most Senior Engineering Intern job openings:

AI-First Engineering Intern

Xsolla

Los Angeles, CA • On-site

$20 - $25/hr

Internship

Re-posted 8 days ago


Job description

ABOUT US
Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.
For more information, visit xsolla.com.
Why This Role Exists
Xsolla is going all-in on becoming an AI-first company, and we're not waiting for a slow rollout to get there. We're offering AI Engineer Internships in regions across the globe to help drive that shift directly, not by sitting in the back office, but by building.
You'll work on two things:
  1. Internal AI initiatives - helping unlock AI tooling and integrations across Xsolla faster than our existing teams can alone.
  2. Proof-of-concept builds on our own APIs - showing our product and engineering teams what's possible when you build with AI as a core part of your workflow, not an afterthought.

This isn't a shadow-and-observe internship. You'll ship code that goes to customers - internal teams or external players and game developers - working closely with senior engineers and fellow interns across our global regions.
Who You'll Work With
You won't be isolated on an intern-only project island. You'll work closely with senior engineers who are actively rebuilding how we write software, and you'll be part of a global cohort of interns building in parallel across our regions. That combination is the point: senior engineers give you a bar for what production-grade, customer-facing code looks like, and your fellow interns give you a peer group to trade ideas, code, and AI workflows every week.
What You'll Do
  • Partner and collaborate with senior engineers to identify where AI tooling and integrations can remove friction, and build the fix.
  • Build applications and integrations on top of Xsolla's APIs and SDKs that show internal teams how to move faster using AI-assisted development.
  • Ship work that matters. What you build is expected to reach real users - whether that's an internal tool an engineering team adopts or a customer-facing integration - not a throwaway exercise that gets shelved after your internship ends.
  • Use agentic coding tools (Claude Code, Cursor, or similar) as your default way of working - not a novelty you reach for occasionally.
  • Share what you build. We run weekly 30-second lightning-talk demos where everyone shows how they used AI to solve something that week - you'll be expected to bring something real.
  • Work with minimal process. You'll get context, a problem, and a mentor - the rest is on you to figure out and build.
  • Learn from and collaborate with both directions: senior engineers who'll mentor you on production-grade practices, and fellow interns across markets you'll trade ideas and code with at the weekly demos.

What We're Looking For
You build things because you want to, and that you already use AI to do it faster.
  • Genuine passion for building. You have side projects, hackathon entries, open-source contributions, or something you shipped just because you were curious. You didn't need an assignment to make it happen.
  • Real AI fluency. You've actually used tools like Claude Code, Cursor, Copilot, or similar agentic coding tools to build something - not just asked ChatGPT to explain a concept. You should be able to explain how you used AI to get there and how you confirmed it actually worked - not someone who fires off a prompt and hopes for the best.
  • Bias toward action. Given an ambiguous problem, you start building before you ask for a spec.
  • Comfort with developing modern full-stack solutions - we care more about how fast you learn than what you already know cold.
  • Open to current undergraduate students, graduate students, and recent graduates of a Computer Science, Software Engineering, or related program. If you're pursuing a graduate degree and don't mind taking on an internship-level role to get hands-on with AI, we want to hear from you.

How to Apply
Please include:
  1. A link to a GitHub profile, deployed project, or anything else you've built - the more recent and self-directed, the better.
  2. A short answer (2-3 sentences, or a 2-minute video/Loom if you'd rather show than tell) to: "What's something hard you built recently, and why did you build it?"

We're not grading for correctness or polish. We're looking for whether you have a real answer, and whether it's clear you actually did the work yourself (with AI as your tool, not your ghostwriter).
$20 - $25 an hour
Equal Employment Opportunity Statement:
Xsolla is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other characteristic protected by law.
We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.
Criminal History Consideration:
For the AI-First Engineering Intern, we will conduct a background check that may include the following:
Criminal history check
Employment verification
Education verification
Relevance to Job Responsibilities:
The background check is relevant to this position because of the following role responsibilities:
Accessing confidential company data
Ensuring compliance with regulatory requirements
Rights Under the Fair Chance Act:
Applicants are encouraged to inquire about their rights under the Fair Chance Act. If you have questions regarding our hiring practices, please contact [email protected].
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.