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Full Stack Developer Intern Jobs in Fairfield, CA

Purple Unicorn

Full-Stack Engineer

San Francisco, CA · On-site

$120K - $150K/yr

  • Medical

  • Retirement

  • PTO

Purple Unicorn, on behalf of SalesPatriot , is hiring an Full Stack Engineer . Non-negotiable: ALL ROLES ARE ON-SITE IN SAN FRANCISCO. IN ORDER TO BE CONSIDERED YOU MUST BE LOCAL OR WILLING TO MOVE

RST Recruitment

Full Stack Engineer

San Francisco, CA

$180K - $240K/yr

We're looking for Full Stack Engineers with 2-8 years of experience in full stack engineering who has hands-on experience building AI agents and utilizing LLMs effectively. You should be comfortable ...

Mintex Technology

Full Stack Engineer

San Francisco, CA · On-site

$180K - $210K/yr

Title: Full Stack Engineer Client: AI ERP Company Location: San Francisco Bay Area, CA (Hybrid - 4 Days Onsite) Job Type: Full-Time | Direct Hire | Permanent Position Overview: ***** is seeking a ...

Erth.AI Inc.

Full Stack Engineer

San Francisco, CA · On-site

$120K - $150K/yr

  • Medical

  • Dental

  • Vision

  • PTO

Full Stack Engineer: We are in search of a dynamic Full-Stack Engineer to work as part of our product and backend engineering initiatives within Dot Earth, a thriving incubator. .Erth is presently ...

Erth.AI Inc.

Full Stack Engineer

San Francisco, CA · On-site

$120K - $150K/yr

  • Medical

  • Dental

  • Vision

  • PTO

Full Stack Engineer: We are in search of a dynamic Full-Stack Engineer to work as part of our product and backend engineering initiatives within Dot Earth, a thriving incubator. .Erth is presently ...

Krew

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're seeking sharp engineers who value high-quality code, thrive in collaborative teams, and are excited ...

Krew Research

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're seeking sharp engineers who value high-quality code, thrive in collaborative teams, and are excited ...

Adobe

Full Stack Engineer

San Francisco, CA · On-site

Contribute to developer experience: tooling, local development loops, CI/CD ergonomics, and the ... Full-stack engineering depth sufficient to contribute across the agent's entire surface area ...

Cypress HCM

Sr. Full Stack Engineer

San Francisco, CA

$150 - $200/hr

Sr. Full Stack Engineer We're looking for a strong full stack engineer to join a collaborative, fast-moving development team focused on building high-quality, user-centric web applications. This is ...

Gumloop

Full Stack Software Engineer

San Francisco, CA · On-site

$185K - $250K/yr

  • Retirement

  • PTO

... a full stack developer * Relentlessly resourceful - you've built real-world applications with a high bar for quality * If you've personally built something people use, years of experience is ...

Hotplate, Inc

Full Stack Engineer

San Francisco, CA · On-site

$165K - $185K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The role As a full stack engineer at Hotplate, you'll build end-to-end features that will directly impact how thousands of chefs' and bakers' businesses run their businesses. You'll get to stretch ...

David AI

Full Stack Engineer

San Francisco, CA · On-site

$165K - $225K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About this role As a Full Stack Engineer at David AI, you'll build cutting-edge tools that help our users make sense of the audio data they'll use to train their models, working closely with ...

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Showing results 21-40

All JobsFull Stack Developer Intern JobsFull Stack Developer Intern Jobs in Fairfield, CA

Full Stack Developer Intern information

See Fairfield, CA salary details

$11

$23

$40

How much do full stack developer intern jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for full stack developer intern in Fairfield, CA is $23.30, according to ZipRecruiter salary data. Most workers in this role earn between $18.85 and $24.71 per hour, depending on experience, location, and employer.

What is a full stack developer intern?

A Full Stack Developer Intern is a trainee who assists in building both the front-end (user interface) and back-end (server, database) components of web applications. Interns in this role work under the guidance of experienced developers to learn and contribute to the entire software development process. They often use programming languages like JavaScript, Python, or Java, and frameworks such as React, Node.js, or Django. The internship provides practical experience in coding, debugging, and deploying web applications, preparing interns for a full-time developer position.

What are the key skills and qualifications needed to thrive as a full stack developer intern?

To thrive as a Full Stack Developer Intern, you need a strong grasp of front-end and back-end programming languages, such as JavaScript, HTML/CSS, and either Node.js, Python, or Java, along with a relevant academic background in computer science or a related field. Familiarity with version control systems like Git, web frameworks (e.g., React, Express), and databases (SQL/NoSQL) is typically required. Strong problem-solving abilities, eagerness to learn, and effective communication skills help interns collaborate with teams and adapt to new technologies. These competencies are crucial for contributing to real-world projects, quickly adapting to workplace demands, and laying the foundation for a successful development career.

What types of projects and technologies can a full stack developer intern expect to work on during their internship?

As a Full Stack Developer Intern, you'll typically be involved in projects that span both front-end and back-end development, such as building web applications, developing new features, or troubleshooting existing systems. You may work with technologies like JavaScript frameworks (e.g., React or Angular) for the front end, and languages such as Python, Java, or Node.js for the back end. It's common to collaborate closely with other developers, designers, and sometimes product managers, gaining exposure to the full software development lifecycle. Interns often participate in code reviews, agile sprints, and team meetings, providing valuable hands-on experience and learning opportunities.

How to get an internship for a full stack developer?

To secure a full stack developer internship, candidates should build a strong portfolio demonstrating skills in front-end and back-end technologies, such as JavaScript, HTML, CSS, and frameworks like React or Node.js. Gaining experience through personal projects, contributing to open-source, and obtaining relevant certifications can improve chances, along with applying through company career portals or internship programs and preparing for technical interviews. Having a solid understanding of version control systems like Git and good problem-solving skills are also beneficial.

Is a full stack developer intern still in demand?

Full stack developer internships remain in demand as companies seek candidates with skills in front-end and back-end technologies, including JavaScript, Python, and frameworks like React or Node.js. Internships provide valuable experience and can lead to full-time roles, especially as demand for versatile developers continues to grow in tech industries.

What are the most commonly searched types of Full Stack Developer jobs in Fairfield, CA?

The most popular types of Full Stack Developer jobs in Fairfield, CA are:

What are popular job titles related to Full Stack Developer Intern jobs in Fairfield, CA?

For Full Stack Developer Intern jobs in Fairfield, CA, the most frequently searched job titles are:

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The top searched job categories for Full Stack Developer Intern jobs in Fairfield, CA are:

What cities near Fairfield, CA are hiring for Full Stack Developer Intern jobs?

Cities near Fairfield, CA with the most Full Stack Developer Intern job openings:

Full Stack Developer Intern jobs near you
Infographic showing various Full Stack Developer Intern job openings in Fairfield, CA as of August 2026, with employment types broken down into 83% Full Time, 10% Part Time, 1% Temporary, 5% Contract, and 1% Nights. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $48,463 per year, or $23.3 per hour.

Full-Stack Engineer

Purple Unicorn Career Coaching

San Francisco, CA • On-site

$120K - $150K/yr

Full-time

Medical, Retirement, PTO

Re-posted 2 days ago

Job description

Purple Unicorn, on behalf of SalesPatriot, is hiring an Full Stack Engineer.
Non-negotiable: ALL ROLES ARE ON-SITE IN SAN FRANCISCO. IN ORDER TO BE CONSIDERED YOU MUST BE LOCAL OR WILLING TO MOVE
*** Must be authorized to work in the US***
The Mission
America's industrial base runs on systems built in the 1980s.
Billions of dollars in critical components (F-35 parts, industrial assemblies, electronics, bolts, and hoses) still move through email threads, excel sheets, and disconnected ERPs.
We're replacing that with an AI-native platform that makes defense, aerospace, and industrial supply-chain operations nearly autonomous. Faster quoting. Faster procurement. Full visibility. Real operational intelligence for the companies our nation depends on.
Quick Facts
  • YC W25 company. Top 5% growth in batch
  • Raised $10M+ from investors including Paul Graham, SV Angel, Pear VC, and CRV
  • Team of 20 co-live in our SF & Warsaw Hacker Houses
  • 7 figure ARR transacting ~$50M a week through our system
The Role
Our Full Stack Engineers work closely with other engineers on the platform team and customer-facing forward deployed teams to design, build, and maintain robust full-stack systems that integrate with complex legacy environments and support high-value, high-impact supply chain systems.
  • Full time, in-person in SF. This is not a remote role.
  • Backend-leaning fullstack role using Svelte/Typescript/Postgres.
  • Design, develop, and maintain full-stack application functionality, including:
  • Organize, keep track of, and deliver multiple projects in parallel
What We're Looking For
  • Absolute grinder. Interested in co-living (though not required).
  • Comfortable with ambiguity and rapid change.
  • Track record of shipping fast.
  • Experience architecting systems independently
  • Motivated by taking an unknown problem, sinking your teeth in, and coming up with a plan of attack.
  • Experience in shipping projects and products. Be ready to show us at least one full-stack project (GitHub repo / web app / Loom demo video).
  • Proficiency in TypeScript, JavaScript, and at least one frontend library (React, Svelte, Next etc).
  • Knowledge of SQL databases, preferably Postgres.
  • Proficiency in writing, optimizing, and troubleshooting complex SQL queries for data extraction, transformation, and integration.
  • Strong understanding of software engineering best practices, including version control, testing, and documentation
  • Ability to work effectively in fast-paced, high-accountability environments
  • Low ego, curiosity, and intellectual honesty - focused on outcomes, not "being right"

Salary & Benefits
  • $120-$150K
  • Medical (Partially paid)
  • PTO
  • 401K pending

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