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Freelance Software Development Jobs in California

Professional development events and networking opportunities * Well-being programs, including ... freelance work). * Exposure to real-world applications of AI in industry or academia. You Will:

Copywriter

Foster City, CA · On-site

$150K - $180K/yr

With millions of users worldwide, Replit is democratizing software development by removing ... Partner with external agencies and freelancers as needed * Contribute hands-on writing support ...

Position: Freelance Digital Sales Agent (Commission Only) Job Summary: We are seeking highly ... Proficiency in using digital sales tools, CRM software, and other relevant technologies.

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Showing results 1-20

Freelance Software Development information

See California salary details

$78.5K

$140.2K

$176.2K

How much do freelance software development jobs pay per year?

As of Jul 17, 2026, the average yearly pay for freelance software development in California is $140,241.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,900.00 and $160,900.00 per year, depending on experience, location, and employer.

What is freelance software development?

Freelance software development refers to the practice of working independently, often on a contract basis, to design, build, and maintain software solutions for clients. Freelance software developers are not tied to a single employer and typically work with multiple clients or companies on a project-by-project basis. Their responsibilities can range from coding and debugging to consulting on software architecture and providing technical support. This type of work offers flexibility in terms of schedule and location, but also requires strong self-management and business skills.

What is the difference between Freelance Software Development vs In-House Software Developer?

AspectFreelance Software DevelopmentIn-House Software Developer
CredentialsTypically requires a portfolio and relevant technical skills; certifications are optionalRequires a degree in computer science or related field; certifications can enhance prospects
Work EnvironmentRemote, flexible, often project-basedOffice or remote, full-time employment within a company
Employer & Industry UsageUsed by startups, small businesses, and agenciesEmployed by large corporations, tech firms, and organizations
Work ScopeProject-specific, variable workloadOngoing, consistent responsibilities

Freelance Software Development offers flexibility and diverse projects, ideal for those seeking independence. In contrast, in-house developers enjoy stability and integrated team collaboration. The choice depends on your career goals and preferred work environment.

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

To thrive as a Freelance Software Developer, you need strong programming expertise, problem-solving abilities, and a solid understanding of software development methodologies, often backed by a relevant degree or portfolio of completed projects. Familiarity with source control tools like Git, cloud platforms, and various development frameworks is typically required, as well as knowledge of project management tools used for remote work. Excellent communication, self-motivation, and time management skills help freelancers stand out when working independently with clients. These skills are crucial to deliver high-quality results, build client trust, and manage multiple projects efficiently in a competitive, dynamic environment.

What are some common challenges freelance software developers face when managing multiple client projects simultaneously?

Freelance software developers often juggle several projects at once, which can make balancing deadlines, communication, and shifting priorities a challenge. Time management and clear client communication are essential to avoid scope creep and ensure deliverables meet expectations. Additionally, freelancers must stay organized to track progress across different projects and maintain quality standards. Using project management tools and setting clear boundaries with clients can help manage workloads effectively.
What are the most commonly searched types of Software Development jobs in California? The most popular types of Software Development jobs in California are:
What cities in California are hiring for Freelance Software Development jobs? Cities in California with the most Freelance Software Development job openings:
Management System Developer

Part-time

Medical, Life, Retirement

Posted 20 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.