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Freelance Computer Programming Jobs in Castro Valley, CA

Solomon Page

Full Stack Developer

San Francisco, CA · On-site

$80/hr

Bachelor's degree in Computer Science, Finance, or a related field. * 10+ years of progressive ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

Google

Head of AI Documentation

Sunnyvale, CA · On-site

... developer documentation, Computer Science course material, or IT administration playbooks ... Oversee freelance relationships and negotiate vendor agreements to secure specialized technical ...

Solomon Page

Technical Program Manager

San Francisco, CA · On-site

$151K - $196K/yr

Bachelor's degree in Computer Science, Information Technology, Engineering, Business, or a related ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

All JobsComputer Programming JobsFreelance Computer Programming JobsFreelance Computer Programming Jobs in Castro Valley, CA

Freelance Computer Programming information

See Castro Valley, CA salary details

$17

$55

$152

How much do freelance computer programming jobs pay per hour?

As of Jul 31, 2026, the average hourly pay for freelance computer programming in Castro Valley, CA is $55.05, according to ZipRecruiter salary data. Most workers in this role earn between $28.03 and $71.30 per hour, depending on experience, location, and employer.

What is the difference between Freelance Computer Programming vs Software Developer?

AspectFreelance Computer ProgrammingSoftware Developer
CredentialsTypically self-taught or with coding bootcamps; no formal degree requiredOften holds a bachelor's or higher degree in computer science or related fields
Work EnvironmentIndependent, remote, project-basedEmployed by a company, often in an office or hybrid setting
Employer & Industry UsageClients across various industries; freelance platformsTech companies, startups, corporations
Search & Comparison IntentLooking for flexible, project-based work or freelance opportunitiesSeeking full-time or salaried roles in software development

Freelance Computer Programmers work independently on diverse projects for various clients, often remotely and without formal employment. Software Developers are typically employed by organizations, working within teams to develop software products. Both roles require programming skills, but their work settings and employment structures differ significantly.

What is freelance computer programming?

Freelance computer programming involves working independently as a programmer or developer, rather than being employed by a single company. Freelancers take on projects from various clients, which can range from building websites and applications to troubleshooting software and writing code for specific tasks. This type of work offers flexibility in choosing projects, setting schedules, and working remotely. However, it also requires managing your own business tasks, such as finding clients, negotiating contracts, and handling taxes.

What are common challenges freelance computer programmers face when managing multiple clients simultaneously?

Freelance computer programmers often juggle several projects and clients at once, which can present challenges such as balancing deadlines, prioritizing tasks, and maintaining clear communication. Effective time management and organizational skills are crucial to ensure that deliverables are met and client expectations are managed. Additionally, freelancers must be proactive in setting boundaries and clarifying project scopes to avoid scope creep and ensure a healthy work-life balance. Building transparent communication channels with clients helps prevent misunderstandings and fosters long-term professional relationships.

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

To thrive as a Freelance Computer Programmer, you need strong coding abilities in relevant programming languages, problem-solving skills, and a solid understanding of software development principles, typically supported by a degree or equivalent practical experience. Familiarity with version control systems (like Git), project management tools, and knowledge of frameworks or platforms specific to your niche is highly valued. Excellent communication, time management, and self-motivation are essential soft skills for managing client relationships and deadlines. These skills ensure you can deliver high-quality solutions, maintain client satisfaction, and succeed in a competitive freelance market.
What cities near Castro Valley, CA are hiring for Freelance Computer Programming jobs? Cities near Castro Valley, CA with the most Freelance Computer Programming job openings:
Freelance Computer Programming jobs near you
Infographic showing various Freelance Computer Programming job openings in Castro Valley, CA as of July 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $114,504 per year, or $55 per hour.

Full Stack Developer

Solomon Page

San Francisco, CA • On-site

$80/hr

Contractor

Medical, Dental, Retirement

Re-posted 14 days ago

Job description

We are seeking an experienced and highly skilled Full Stack Developer with strong expertise in Microsoft technologies and Azure cloud platforms. The ideal candidate will have a background in financial services and asset management, experience modernizing legacy applications, and the ability to design, develop, and support cloud-native solutions. This role requires a hands-on technical professional who is comfortable evaluating architectural approaches, collaborating with stakeholders, and delivering scalable enterprise applications.
  • Pay rate:$75/hr on w2 to $80/hr on w2

Responsibilities:
  • Design, develop, and deploy modern cloud-native applications using Azure Kubernetes Services (AKS), Azure App Services, and Azure Functions.
  • Maintain, enhance, and support existing applications built on Angular, C#, .NET Core, ASP.NET MVC, WebForms, REST APIs, and OAuth 2.0.
  • Modernize legacy .NET applications into microservices-based architectures and deploy them on Azure cloud platforms.
  • Develop and support web applications using Angular, JavaScript, jQuery, Bootstrap, CSS, Entity Framework, LINQ, and SQL Server.
  • Build and maintain RESTful APIs, web services, authentication, and authorization solutions using OAuth 2.0 and JWT.
  • Configure, monitor, and optimize application performance using Azure Monitoring and other observability tools.
  • Collaborate with business stakeholders, architects, and development teams to deliver scalable and reliable solutions.
  • Serve as a subject matter expert for asset management technology platforms and enterprise application architecture.
  • Manage stakeholder expectations and effectively communicate with senior leadership and key decision-makers.
  • Ensure application reliability, scalability, security, fault tolerance, and high availability.

Required Qualifications:
  • Bachelor's degree in Computer Science, Finance, or a related field.
  • 10+ years of progressive technical experience, preferably within a financial services organization.
  • 3+ years of hands-on experience with Azure App Services, Azure Functions, Azure Logic Apps, Azure Storage, Azure Active Directory, and Azure DevOps.
  • 5+ years of experience with SQL Server, including stored procedures, triggers, and functions.
  • 5+ years of experience developing web applications and REST APIs using .NET Core, Entity Framework, C#, JavaScript, jQuery, Bootstrap, and CSS.
  • Strong experience architecting, building, and operating solutions on Microsoft Azure.
  • Experience with cloud-native application development, microservices architecture, and containerized deployments using AKS.
  • Strong understanding of scalability, high availability, fault tolerance, database design, and software architecture principles.
  • Excellent communication, problem-solving, and stakeholder management skills.
  • Ability to work independently while collaborating effectively within cross-functional teams.

If you meet the required qualifications and are interested in this role, please apply today.
The Solomon Page Distinction
Solomon Page offers a comprehensive benefit program for hourly employees. We pride ourselves on offering medical, dental, 401(k), direct deposit and commuter benefits to our employees, including freelancers - which sets us apart in the industries we serve.
About Solomon Page
Founded in 1990, Solomon Page is a specialty niche provider of staffing and executive search solutions across a wide array of functions and industries. The success of Solomon Page reflects an organic growth strategy supported by a highly entrepreneurial culture. Acting as a strategic partner to our clients and candidates, we focus on providing customized solutions and building long-term relationships based on trust, respect, and the consistent delivery of excellent results. For more information and additional opportunities, visit: solomonpage.com and connect with us on Facebook , and LinkedIn .
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