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Application Developer Intern Jobs in Fullerton, CA

SprintRay

Project Management Intern

Los Angeles, CA

$25 - $32/hr

This role is ideal for students in Product Development Engineering, Industrial Engineering, Systems ... Accessibility If you need a reasonable accommodation during the application or interview process ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Pomona, CA · On-site

$15.25 - $20.25/hr

Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ... Once you complete your application and attached your updated resume with your most recent Cummins ...

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All JobsApplication Developer Intern JobsApplication Developer Intern Jobs in Fullerton, CA

Application Developer Intern information

See Fullerton, CA salary details

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How much do application developer intern jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for application developer intern in Fullerton, CA is $17.49, according to ZipRecruiter salary data. Most workers in this role earn between $15.05 and $19.33 per hour, depending on experience, location, and employer.

What types of projects and technologies do application developer interns typically work with during their internship?

As an Application Developer Intern, you can expect to collaborate on real-world projects such as building web or mobile applications, automating business processes, or enhancing existing software. Interns often use languages and frameworks like Java, Python, JavaScript, React, or .NET, depending on the company's tech stack. You'll work alongside experienced developers, participate in code reviews, and contribute to team meetings, gaining exposure to agile development practices and version control systems like Git. This hands-on experience is designed to help you build technical skills, understand industry workflows, and prepare for a full-time developer role.

What is the difference between Application Developer Intern vs Software Engineer Intern?

AspectApplication Developer InternSoftware Engineer Intern
Required CredentialsTypically pursuing or recent graduate in Computer Science or related fieldSimilar educational background, often pursuing or recent graduate in Computer Science or related field
Work EnvironmentInternship focused on developing, testing, and maintaining applicationsInternship involving software design, coding, and system development
Employer & Industry UsageUsed in tech companies, startups, and software firmsCommon in tech companies, consulting firms, and large corporations
Search & Comparison IntentOften compared for internship roles in application developmentOften compared for broader software development internship roles

The Application Developer Intern and Software Engineer Intern roles share similar educational backgrounds and work environments, focusing on software development. However, Application Developer Interns typically concentrate on creating and maintaining specific applications, while Software Engineer Interns may work on a broader range of software projects, including system architecture and backend development.

What does an application developer intern do?

An Application Developer Intern assists in designing, coding, testing, and maintaining software applications under the supervision of experienced developers. They typically work on specific projects, learn how to use programming languages and development tools, and help troubleshoot software issues. This role provides hands-on experience in the software development lifecycle and prepares interns for a full-time developer position in the future.

What are the key skills and qualifications needed to thrive as an application developer intern, and why are they important?

To thrive as an Application Developer Intern, you generally need a solid understanding of programming languages (such as Java, Python, or JavaScript), basic software development principles, and enrollment in or completion of a relevant degree program. Familiarity with development tools like Git, code editors (e.g., Visual Studio Code), and exposure to version control or continuous integration systems is typical. Strong problem-solving abilities, effective communication, and a willingness to learn help interns stand out in team environments. These skills and qualities enable interns to contribute meaningfully, adapt quickly, and grow within dynamic software development teams.
What are the most commonly searched types of Application Developer jobs in Fullerton, CA? The most popular types of Application Developer jobs in Fullerton, CA are:
What job categories do people searching Application Developer Intern jobs in Fullerton, CA look for? The top searched job categories for Application Developer Intern jobs in Fullerton, CA are:
What cities near Fullerton, CA are hiring for Application Developer Intern jobs? Cities near Fullerton, CA with the most Application Developer Intern job openings:
Application Developer Intern jobs near you

2026 Fall Internship - Manufacturing

Vast

Long Beach, CA • On-site

$40/hr

Full-time, Internship

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Job description

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven Demo's 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world's first commercial space station when it launches, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us.
Vast offers an advanced internship program with hands-on opportunities to design and build space hardware and software. You will play a crucial role in the development and build of the systems that will be required for the operation of artificial-gravity human-rated space stations.
Our interns are mentored by industry experts to solve challenging real-world engineering problems across our hiring teams. This is a 12 week internship at our office in Long Beach, CA.
Responsibilities will vary depending on each intern's area of expertise. We are currently looking for candidates with experience in the the following engineering disciplines:
  • Tooling

Minimum Qualifications:
  • Qualified candidates must be enrolled in a Bachelor's or Master's degree program from an accredited college or university in manufacturing engineering, mechanical engineering, aerospace engineering or other related engineering discipline.
  • Ability to work full-time onsite in Long Beach, CA.

Preferred Qualifications:
  • Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience)
  • Proficiency in CAD software (e.g., SolidWorks, CATIA) for 3D modeling and simulation
  • Attention to detail
  • Strong engineering problem solving capabilities
  • Basic knowledge of engineering and equipment
  • Working knowledge of analysis tools
  • Ability to collaborate across different teams
  • Self-directed with a positive attitude and team spirit

Pay Rate:
  • Engineering Intern, Undergraduate: $35/hr
  • Engineering Intern, Master's: $40/hr

Pay Range: California
$35-$40 USD
COMPENSATION AND BENEFITS
Base salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand. Salary is just one component of our comprehensive compensation package. Full-time employees also receive company equity, as well as access to a full suite of compelling benefits and perks, including: medical, dental, and vision coverage for employees and dependents, generous paid time off; up to 20+ days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ability to cash-out unused vacation annually, paid parental leave, short and long-term disability insurance, life insurance, access to a 401(k) retirement plan, ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast's ongoing commitment to providing high-quality meals for employees.
U.S. EXPORT CONTROL COMPLIANCE STATUSThe person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a "U.S. person" as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. This status includes U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.
EQUAL OPPORTUNITY
Vast is an Equal Opportunity Employer; employment with Vast is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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