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Freelance Desktop Application Developer Jobs in California

Anthropic

Software Engineer, Desktop

San Francisco, CA · On-site

$320K - $485K/yr

About the Role We're looking for desktop app engineers to join our Claude product team and help ... Optimize application performance, memory usage, and startup time across platforms * Design and ...

VSolvit, LLC.

SOFTWARE DEVELOPER (.NET/C#)

Norco, CA · On-site

$95 - $150/hr

Develop desktop user interfaces and application functionality using modern software engineering practices. * Apply object-oriented programming principles, multi-threading, concurrency, and task-based ...

VSolvit

SOFTWARE DEVELOPER (.NET/C#)

Norco, CA · On-site

This position is ideal for software developers with experience in C#, .NET, and desktop application development who enjoy solving complex technical challenges and working in a team-oriented ...

Cisco

UI Desktop macOS and IOS Engineer Hybird

San Jose, CA · On-site

$121K - $162K/yr

Your Impact As a Desktop UI Developer , you will design and build the Circuit Desktop application-a native-grade, cross-platform experience for macOS and Windows that brings AI-driven productivity to ...

VSolvit

JUNIOR SOFTWARE DEVELOPER (C++)

Norco, CA · On-site

$36 - $48/hr

Proficiency in C++ with a focus on desktop application development * Experience developing, maintaining, or enhancing desktop applications using C++ * Understanding of object-oriented programming ...

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Freelance Desktop Application Developer information

What is the difference between Freelance Desktop Application Developer vs Freelance Web Developer?

AspectFreelance Desktop Application DeveloperFreelance Web Developer
Required SkillsProgramming languages like C++, Java, or C#; UI/UX design for desktop appsHTML, CSS, JavaScript; frameworks like React, Angular
Work EnvironmentDevelops software for Windows, Mac, or Linux desktopsBuilds websites and web applications accessible via browsers
Industry UsageSoftware companies, enterprise solutions, specialized desktop toolsOnline businesses, e-commerce, content management
CertificationsRelevant programming certifications, software development courses

While both roles involve software development, Freelance Desktop Application Developers focus on creating standalone desktop software, whereas Freelance Web Developers build applications accessible through web browsers. The choice depends on the project requirements and target platform.

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For Freelance Desktop Application Developer jobs in California, the most frequently searched job titles are:

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What cities in California are hiring for Freelance Desktop Application Developer jobs?

Cities in California with the most Freelance Desktop Application Developer job openings:

Freelance Desktop Application Developer jobs near you
Infographic showing various Freelance Desktop Application Developer job openings in California as of July 2026, with employment types broken down into 78% Full Time, 18% Part Time, 1% Temporary, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Senior Software Engineer, Desktop Application with .NET & C#

Staffingine LLC

San Jose, CA • On-site

Contractor

Re-posted 23 days ago

Job description

Job Title: Senior Software Engineer, Desktop Application with .NET & C#
Job Location: San Jose, CA
Job Type: Contract

Job Description:

  • Please look for candidates with Desktop application development experience.
  • Need Desktop Application Development exp using .NET and C#.
  • WPF, Windows Presentation Foundation
  • Should know the difference between WPF and MAUI frameworks.
  • Proficiency in IoC and dependency injection.
  • Should be skilled in Entity Framework.
  • The initiative includes re-architecture and UI re-design of its current application to support multi-platform deployment.

Required Qualifications:

  • Deep understanding of Windows platform / Desktop application development architecture
  • Proven ability to work independently and lead technical decisions