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Freelance Software Developer Jobs in Fullerton, CA

Abbott

Cloud Software Engineer II

Los Angeles, CA · On-site

$81K - $141K/yr

Minimum 2 years of experience in software development (combination of programming-heavy coursework, school projects, freelance work and professional experience). * Excellent communication skills and ...

Abbott

Cloud Software Engineer II

Los Angeles, CA · On-site

$81K - $141K/yr

Minimum 2 years of experience in software development (combination of programming-heavy coursework, school projects, freelance work and professional experience). * Excellent communication skills and ...

Archinect

Mid-Level Architectural Designer

Los Angeles, CA · On-site

$73 - $114/hr

... full-time freelance position. The position is remote, but applicants should be based in the Los ... Coordinate architectural drawings with clients, engineering consultants, and construction trades.

New

Airrack

Airrack Thumbnail Concept Artist

Los Angeles, CA · On-site

$136K - $157K/yr

THE ROLE We're looking for a world-class freelance Thumbnail Concept Artist -- the creative brain that comes before the design software ever opens. You take a video title or a raw idea and engineer a ...

Airrack

Airrack Thumbnail Concept Artist

Los Angeles, CA · On-site

$136K - $157K/yr

THE ROLE We're looking for a world-class freelance Thumbnail Concept Artist - the creative brain that comes before the design software ever opens. You take a video title or a raw idea and engineer a ...

Airrack

Airrack Thumbnail Concept Artist

Los Angeles, CA

$136K - $157K/yr

THE ROLE We're looking for a world-class freelance Thumbnail Concept Artist - the creative brain that comes before the design software ever opens. You take a video title or a raw idea and engineer a ...

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All JobsSoftware Developer JobsFreelance Software Developer JobsFreelance Software Developer Jobs in Fullerton, CA

Freelance Software Developer information

See Fullerton, CA salary details

$50.1K

$116.7K

$173.2K

How much do freelance software developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for freelance software developer in Fullerton, CA is $116,687.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,900.00 and $135,600.00 per year, depending on experience, location, and employer.

What is a freelance software developer?

A freelance software developer is a self-employed professional who creates, tests, and maintains software applications for various clients on a contract or project basis. Unlike full-time employees, freelancers typically work independently, manage their own schedules, and may take on multiple projects at once. They can specialize in areas such as web development, mobile app development, or software engineering, and often find work through online platforms, networking, or direct referrals. Freelance software developers are responsible for their own business operations, including client communication, billing, and taxes.

What are the key skills and qualifications needed to thrive as a freelance software developer?

To thrive as a Freelance Software Developer, you need strong coding skills in relevant programming languages, a solid understanding of software development methodologies, and a portfolio demonstrating completed projects. Familiarity with source control tools like Git, cloud platforms, and project management software is typically essential, along with knowledge of freelance platforms. Excellent communication, time management, and client relationship-building skills help you stand out in this role. These competencies are crucial for delivering high-quality work independently, attracting and retaining clients, and efficiently managing multiple projects.

How to become a freelance software developer?

Making the transition to working as a freelance software developer entails having extensive knowledge of and experience with several programming languages, ideally those that are in-demand like Java and Python. While you may have expertise in one area, having skills in multiple software technologies can help you find and accept more jobs as you get started. Because you’re working freelance, you need to set up a productive work environment. It’s also essential to compile a portfolio of your best work and host it on either your website or a freelancing job site. This way, you can instantly showcase your experience and skills to a business or client looking to hire for a project, which also helps you negotiate your rate.

What are some typical challenges freelance software developers face when managing multiple clients and projects?

Freelance software developers often juggle several clients at once, which can present challenges in balancing priorities, meeting overlapping deadlines, and maintaining clear communication with each client. Effective time management and setting realistic expectations are essential to avoid burnout and ensure client satisfaction. Additionally, freelancers must stay organized with project tracking tools and proactively address scope changes to keep projects on schedule. Building strong client relationships and transparent communication can help prevent misunderstandings and foster repeat business.

What is the difference between Freelance Software Developer vs Software Engineer?

AspectFreelance Software DeveloperSoftware Engineer
CredentialsTypically self-taught or with coding bootcamps; certifications optionalBachelor's or higher in Computer Science or related field; certifications valued
Work EnvironmentIndependent, remote or on-site client projectsEmployed by companies, working in teams or departments
Employer & Industry UsageClients across various industries; project-basedOrganizations, tech firms, startups; ongoing employment
Search & Comparison IntentLooking for freelance opportunities or project-based workSeeking full-time or contract roles within companies

While both roles involve software development, Freelance Software Developers work independently on diverse client projects, often remotely, without long-term employer ties. Software Engineers are typically employed by organizations, working within teams on ongoing projects. Understanding these differences helps in choosing the right career path or job search focus.

More about Freelance Software Developer jobs

What are the most commonly searched types of Software Developer jobs in Fullerton, CA?

The most popular types of Software Developer jobs in Fullerton, CA are:

What are popular job titles related to Freelance Software Developer jobs in Fullerton, CA?

For Freelance Software Developer jobs in Fullerton, CA, the most frequently searched job titles are:

What job categories do people searching Freelance Software Developer jobs in Fullerton, CA look for?

The top searched job categories for Freelance Software Developer jobs in Fullerton, CA are:

What cities near Fullerton, CA are hiring for Freelance Software Developer jobs?

Cities near Fullerton, CA with the most Freelance Software Developer job openings:

Freelance Software Developer jobs near you
Infographic showing various Freelance Software Developer job openings in Fullerton, CA as of August 2026, with employment types broken down into 79% Full Time, and 21% Contract. Highlights an 60% In-person, and 40% Remote job distribution, with an average salary of $116,687 per year, or $56.1 per hour.

Management System Developer

University of South Carolina

Los Angeles, CA • Remote

Part-time

Medical, Life, Retirement

Re-posted 11 days ago

Job description

Posting Summary
Logo Posting Number TMP02574PO22 Job Code Title Systems Programmer/Developer I Advertised Title Management System Developer Campus Columbia College/Division Division of Law Enforcement and Safety Department DAF Environmental Health and Safety Salary 65.00 Location of Vacancy Remote Part/Full Time Part Time Hours per Week 10 Work Schedule
This position will be expected to work an estimated 10-15 hours per week on this project. Workdays and hours will be defined based on a combination of project development needs or priorities, and the developer's preferences.
Job Search Category Information Technology
About USC
About University of South Carolina
From the Upstate to the Lowcountry, the University of South Carolina system is transforming the lives of South Carolinians through the impact of our eight institutions and 20 locations throughout the state. More than 50,000 students are enrolled at one of eight institutions, including the research campus in Columbia and comprehensive four-year universities in Aiken, Upstate and Beaufort. In addition, our Palmetto College campuses in Salkehatchie, Union, Lancaster and Sumter enable students to earn associate or bachelor's degrees through a combination of in-person, online or blended learning. All of our system institutions place strong emphasis on service - helping to build healthier, more educated communities in South Carolina and beyond.
Benefits for Temporary Positions
The University of South Carolina (USC), through the State of SC and Public Employee Benefit Authority (PEBA), offers temporary employees expected to work at least 30 hours per week health and life insurance, flexible spending accounts and retirement programs. To learn more about USC benefits, access the "Working at USC" section on the Applicant Portal at https://uscjobs.sc.edu.
Position Description
Advertised Job Summary
We are seeking one highly skilled freelancer with full-stack lead developer experience and the ability to architect an integrated management system. This position will serve as an IT technical expert with a broad knowledge of all stack elements. We are seeking a smart and enthusiastic developer with a desire to learn, the technical competence to be successful, and excellent communication skills. We are open to hiring a developer that will work remotely.
Qualifications
Bachelor's degree in computer science or related field.
At least 5 years of experience as a full-stack developer.
Strong proficiency in Angular, PHP, MySQL, HTML, CSS, JavaScript, Bootstrap, and GIT.
Experience building self-contained, reusable, and testable modules and components.
Ability to ensure a clear dependency chain, in terms of both application logic as well as file relationships.
Skills writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed.
Experience communicating with external web services and ensuring profile optimization (memory, speed).
Familiarity with newer specifications of ECMAScript and NodeJS.
Experience in web application development; Database design and management; UI/UX design; Unix Server administration; Software development lifecycle; Problem solving; and Project management.
Ability to work independently; effective organizational and communication skills; adaptable; dependable to accurately complete assignments with quality results.
At least 5 years of experience in design, development, and maintenance of web-based applications; working with existing web applications with legacy components; working with and managing Linux environments; working directly with clients; comfortable communicating with technical and non-technical teams.
Job Duties
Posting Detail Information
Number of Vacancies 1 Desired Start Date 10/17/2022 Proposed End Date 10/02/2023 Job Open Date 09/16/2022 Job Close Date Open Until Filled Yes Special Instructions to Applicant
This is a larger project requiring the development of multiple modules comprising an integrated system. Modules are currently in different states of development (i.e. completed, in progress, not yet started). We have a clear idea of the remaining development we would like to achieve. We will provide general specifications and/or mock-ups before starting development of each new module, but we do not currently have written specifications for the complete project scope. After discussing a new module's specifications and requirements, then development begins. The freelancer will be expected to provide daily or weekly status updates and the project manager (PM) will be available to answer questions to guide the design. The developer will work as a collaborative team with one other full-stack developer on this complex project. Both developers and the PM will work together on the project and meet virtually using a screenshare 1-3 times per week. Prior development has usually utilized sprint planning to define the next 1-2 weeks of development priorities. This is followed by testing new development at frequent intervals during daily or weekly meetings, and the PM providing guidance on minor modifications to improve the user experience. One role of this position will be assisting to upgrade this older system using the latest technology tools to ensure business continuity for critical operations and data management for the next several years. The PM is a subject-matter expert that defines system requirements and provides design guidance but is not an IT professional. The PM also performs testing of new functionality. The PM has experience managing three different full-stack lead developers for this project over the last 7 years. Other non-IT subject-matter experts will be consulted when necessary to define system specifications more clearly for modules they utilize.
Other Supporting Documents - Please include the following as attachments in the optional documents section:
Provide information on your involvement in previous projects and provide links to websites in your portfolio.
Include a description of your full-stack lead developer experience and communication style.
Submit example source code you have worked on before (e.g., side project, open-source contribution).
*Due to the duration of this project, this temporary position may be considered for a rehire after the proposed end date.
This position is open until filled. This employment site is updated on a regular basis. The length of the recruitment and screening process may vary from position to position, depending upon a variety of factors. Should review of your qualifications result in a decision to pursue your candidacy, you will be contacted by phone or email. 
Quicklink for Posting https://uscjobs.sc.edu/postings/128743 EEO Statement
The University of South Carolina does not discriminate in educational or employment opportunities or decisions for qualified persons on the basis of age, ancestry, citizenship status, color, disability, ethnicity, familial status, gender (including transgender), gender identity or expression, genetic information, HIV/AIDs status, military status, national origin, pregnancy (false pregnancy, termination of pregnancy, childbirth, recovery therefrom or related medical conditions, breastfeeding), race, religion (including religious dress and grooming practices), sex, sexual orientation, veteran status, or any other bases under federal, state, local law, or regulations.

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