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Frontend Developer Intern Jobs in California (NOW HIRING)

As a Software Engineering intern at Centerfield, you'll work directly with our Engineering team ... Experience with React or other modern front-end frameworks * Exposure to Node.js, Python, or Java

iOS Developer

San Francisco, CA ยท On-site

$61 - $84/hr

We are looking for a strong front end engineer to become a key member of the team. As the ideal ... We are accepting intern, part-time, and full-time candidates for this role, as long as you meet the ...

$60.75 - $83.75/hr

We are looking for a strong front end engineer to become a key member of the team. As the ideal ... We are accepting intern, part-time, and full-time candidates for this role, as long as you meet the ...

POSITION SUMMARY We are seeking a motivated iOS Engineering Intern to join our 12-week internship ... Curiosity to learn or experience in front end web development(e.g., HTML, CSS, JavaScript ...

Intern - Electrical Engineering

Monrovia, CA ยท On-site

$26.50 - $30/hr

Job Title Intern, Process and Automation Engineering Job Details Our Monrovia, CA facility produces ... Our tools integrate robotics, lasers, spectroscopy, computer vision, and custom front-end / backend ...

As an intern, you'll have the opportunity to work on multiple UI technologies and collaborate with ... Prior experience with React.js is a major plus, as most front-end work will be in React

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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Frontend Developer Intern information

What is the difference between Frontend Developer Intern vs Frontend Developer?

AspectFrontend Developer InternFrontend Developer
Required CredentialsTypically pursuing or recently completed a related degree or bootcampBachelor's degree in Computer Science or related field, with professional experience
Work EnvironmentInternship programs, entry-level projects, mentorship-focusedFull-time, professional projects, collaborative teams
Employer & Industry UsageStartups, tech companies, agenciesTech firms, corporations, agencies
Common Search & ComparisonYesYes

The main difference between a Frontend Developer Intern and a Frontend Developer lies in experience, responsibilities, and career stage. Interns are usually students or recent graduates gaining initial industry exposure, while Frontend Developers are experienced professionals handling full project responsibilities.

What does a Frontend Developer Intern do?

A Frontend Developer Intern assists in building and maintaining the user-facing parts of websites or web applications. They typically work with technologies like HTML, CSS, and JavaScript, and may also use frameworks such as React or Angular. Interns collaborate with designers and backend developers to ensure a seamless user experience. Their tasks often include fixing bugs, developing new features, and learning industry best practices.

What types of projects and technologies can I expect to work with as a Frontend Developer Intern?

As a Frontend Developer Intern, you will typically work on real-world web applications or website features, often using frameworks like React, Angular, or Vue.js. You'll collaborate closely with designers and backend developers to implement responsive interfaces and enhance user experience. Common tasks include debugging, writing maintainable code, and participating in code reviews. This role is an excellent opportunity to gain hands-on experience with industry-standard tools, workflows (such as Git and Agile methodologies), and to build a strong foundation for a full-time frontend development career.

What are the key skills and qualifications needed to thrive as a Frontend Developer Intern, and why are they important?

To thrive as a Frontend Developer Intern, you need a solid grasp of HTML, CSS, JavaScript, and basic understanding of responsive web design, typically supported by coursework or personal projects. Familiarity with version control systems like Git, as well as frameworks such as React or Vue.js, can be highly beneficial. Strong problem-solving skills, attention to detail, and a willingness to learn make candidates stand out in this role. These skills are crucial for building user-friendly interfaces, collaborating effectively with teams, and adapting to the fast-paced nature of web development.
What are the most commonly searched types of Frontend Developer jobs in California? The most popular types of Frontend Developer jobs in California are:
What job categories do people searching Frontend Developer Intern jobs in California look for? The top searched job categories for Frontend Developer Intern jobs in California are:
What cities in California are hiring for Frontend Developer Intern jobs? Cities in California with the most Frontend Developer Intern job openings:
Infographic showing various Frontend Developer Intern job openings in California as of June 2026, with employment types broken down into 6% Internship, 77% Full Time, 5% Part Time, 1% Temporary, and 11% Contract. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution.
Full Stack Engineering Intern

Full Stack Engineering Intern

Nash, Inc.

San Francisco, CA โ€ข On-site, Remote

Full-time

Medical, Dental, Vision, PTO

Posted 11 days ago


Key responsibilities

  • Ship features end to end across Nash's agentic layer, from React and TypeScript surfaces to Python services and LLM workflows.

  • Build agent capabilities that resolve real operational problems, such as rerouting around closures, reassigning stuck orders, and surfacing answers to dispatchers.

  • Translate logistics problems into product by working with PM, design, and operations to turn real-world workflows into usable systems.


Job description

Full Stack Engineering Intern
San Francisco
About Nash
Logistics is the substrate beneath every economy that has ever existed, and it remains the least intelligently coordinated activity in the modern world. Consumer expectations are converging on instantaneous, perfect, free. Networks are not. We call this gap the Logistics Singularity, and closing it is the work.
Nash is the Autonomic Logistics OS. We unify decisioning, execution, and capacity into a single programmable system that pursues a business's objectives continuously, adapts as conditions change, and runs the operation at equilibrium across orders, fleets, carriers, providers, and customers. The world's largest retailers, grocers, and pharmacies (including Walmart, 7-Eleven, Woolworths, and Coles) run their critical workflows on Nash.
Founded by Mahmoud Ghulman and Aziz Alghunaim, and backed by Y Combinator, a16z, and other top investors. We are based in San Francisco.
About the Role
We're looking for a Full Stack Engineering Intern to work on Nash's intelligent and agentic layer: the part of the system that senses conditions on the ground, decides what should happen next, and acts. Agents that triage exceptions, recover routes mid-shift, answer operator questions, and intervene before a promise breaks. You'll work across React and Python to build the interfaces operators trust and the agents working alongside them.
This isn't a sandbox internship. You'll pick up real work on day one, ship code customers use, and leave with something concrete to point to. The right person here is as interested in how an agent reasons as in how its decisions show up in the interface. Agents are only as useful as the trust operators place in them, and that trust is built or broken in the product.
What You'll Do
  • Ship features end to end across Nash's agentic layer, from the React and TypeScript surfaces where operators work with agents, to the Python services and LLM workflows that power them.
  • Build agent capabilities that resolve real operational problems: rerouting around a closure, reassigning a stuck order, surfacing the right answer to a dispatcher mid-shift.
  • Translate logistics problems into product. Sit in with PM, design, and operations to turn messy real-world workflows into systems that fit how customers actually run their business.
  • Contribute to system design discussions on how agents reason, when they act on their own, and when they hand off to a human, with senior engineers around the table to push your thinking.
  • Write clean, well-tested code, participate in code reviews, and pick up the standards a strong engineering team runs on.
  • Debug across frontend, backend, and model behavior, with the observability and evals that catch problems before customers do.
  • Build responsive interfaces with a sharp eye for latency, loading and error states, and the edge cases that decide whether an operator trusts an agent's recommendation.

What You'll Bring
  • Currently pursuing a degree in Computer Science or a related field, or recently graduated.
  • Hands-on experience building full-stack web applications, through coursework, side projects, prior internships, or open source.
  • Working knowledge of Python, React (or an equivalent modern framework), TypeScript, HTML, and CSS.
  • Familiarity with REST APIs and relational databases (PostgreSQL preferred). Exposure to GraphQL or NoSQL is a plus.
  • Curiosity about LLMs, agents, and AI systems. Prior experience building with them is a plus, not a requirement.
  • Product sense and craft. You care about how things feel, not just whether they work.
  • A strong communicator who can collaborate across disciplines and drive ambiguous problems toward a clear outcome.
  • High agency. You don't wait to be told what to do next.

San Francisco office ONLY.
Why This Role Matters
The intelligent and agentic layer is the part of Nash that turns raw signal into action. It's where a thousand small decisions get made every minute: which driver, which route, which fallback, which intervention. Done well, it's the difference between a promise kept and a customer call. The agents and interfaces you contribute to will run inside operations at some of the largest retailers, grocers, and pharmacies on the planet, on the day a normal Tuesday stays quiet, and on the day a storm closes half the routes.
If you want an internship where you get to build with agents in a domain that resists toy demos, where every decision lands in the physical world, this is the role.
What You'll Love About Us
  • Early-stage, well-funded company with real revenue and global enterprise customers.
  • Massive ownership and direct collaboration with senior engineers and the founders.
  • In-person time with the team in our SF office.
  • Competitive compensation.

EEOC
At Nash, we believe diverse teams are the strongest teams. We invite applicants of all genders, races, ethnicities, nationalities, ages, religions, sexual orientations, disability statuses, educational experiences, family situations, and socio-economic backgrounds.
More about Nash
Nash is the platform that powers modern logistics.
Commerce has inverted. For decades, customers came to where products and services were. Now products and services come to them, on their terms, in real time. That shift has turned every company into a logistics company, even though almost none of them were built to be one. Couriers, fleets, gig workers, parcel carriers, in-store labor, and increasingly autonomous systems all have to be coordinated in real time, against tighter windows and rising expectations, with hard-fought customer trust on the line.
Nash unifies decisioning, execution, and capacity into a single programmable platform. Real-time, AI-native intelligence determines what should happen, operational control executes it, and the platform dynamically orchestrates capacity from any source: a company's own fleets, partners, or the Nash delivery network. Whether a job involves a courier, a gig driver, an internal fleet, a store employee, a technician, or an autonomous vehicle, Nash selects the right resource and manages execution through completion.
We power delivery and logistics for some of the most recognizable brands in commerce, including Walmart, Urban Outfitters, 7-Eleven, and Woolworths, alongside platforms like Shopify and Toast. Over the next decade, logistics will become as foundational to commerce as payments, cloud, and connectivity. Nash is the platform that powers it.
Nash was founded in 2021 by Mahmoud Ghulman (2x Founder, MIT) and Aziz Alghunaim (2x Founder, 2x YC, Ex-Palantir, MIT) and is backed by Y Combinator, a16z, and other top investors. We are headquartered in San Francisco.
What You'll Love About Us
โ€ข Early-stage, well-funded startup - directly impact the company and grow your career!
โ€ข Quarterly broader team on-sites to bond with teammates
โ€ข Competitive compensation and opportunity for equity
โ€ข Flexible paid time off
โ€ข Health, dental, and vision insurance