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Freelance Backend Net Developer Jobs in California

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

$25 - $41/hr

... backend services using C#/.NET. * Work with PostgreSQL databases for data storage and query ... Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related ...

PromptArmor

Platform Engineer

San Francisco, CA · On-site

$150 - $190/hr

... the net-new AI security problems that traditional tooling wasn't built to solve. About the role ... Improve developer velocity through shared tooling, libraries, and abstractions. * Own data ...

RelaxHR

Software Engineer C#

Beverly Hills, CA

$100K - $185K/yr

NET web framework NET core version 6, 7 20.00% - Proficient in C#, with a good knowledge of their ... with WebAPI Backend developer using .NET Core, C#. Experience in Azure DevOps with container ...

Inference

Filmmaker / Storyteller

San Francisco, CA · On-site

$100K - $140K/yr

Filmmaker / Storyteller Inference.net is seeking a Filmmaker / Storyteller to join our team and ... About the Role As our in-house filmmaker, you'll be embedded with our engineering team, capturing ...

RelaxHR

Sr Software Engineer

Beverly Hills, CA · On-site

$10K - $25K/yr

NET web framework NET core version 6, 7 20.00% - Proficient in C#, with a good knowledge of their ... with WebAPI Backend developer using .NET Core, C#. Experience in Azure DevOps with container ...

Westlake Services, LLC

AI Voice Engineer

Los Angeles, CA · On-site

$140 - $220/hr

Develop backend services and APIs using Python and C#/.NET. * Integrate with telephony, voice ... Collaborate with product managers, AI engineers, and software developers to deliver production ...

SPAN

Sr. Software Engineer, Security

San Francisco, CA · On-site +1

$140K - $205K/yr

Drive the triage and resolution of security vulnerabilities across our backend stack-directly ... net-new platform features. About you * Experience: 6+ years of dedicated experience in security ...

Paramount

Senior Front End Developer

Burbank, CA

$122K - $160K/yr

Implement robust testing strategies (Jest, Cypress, Playwright) to provide a safety net for rapid ... Understanding how front-end applications integrate with complex backend data pipelines and AI ...

Paramount

Senior Front End Developer

Burbank, CA · On-site

$122K - $160K/yr

Implement robust testing strategies (Jest, Cypress, Playwright) to provide a safety net for rapid ... Understanding how front-end applications integrate with complex backend data pipelines and AI ...

Deep Sky

Software Engineer

Los Angeles, CA · On-site

Join us in this groundbreaking journey to achieve net-zero. Job Overview: We are looking for a ... Integrate test system software with the backend platform, ensuring effective communication for ...

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Freelance Backend Net Developer information

What is the difference between Freelance Backend Net Developer vs Freelance Frontend Net Developer?

AspectFreelance Backend Net DeveloperFreelance Frontend Net Developer
Primary FocusServer-side logic, databases, APIsUser interface, client-side scripting, design
Required Skills.NET, C#, SQL, REST APIsHTML, CSS, JavaScript, frameworks like Angular or React
Work EnvironmentServer environments, cloud platforms, backend systemsWeb browsers, UI/UX design, client devices
Common UsageBuilding and maintaining server-side applicationsCreating interactive and responsive user interfaces

While both roles involve .NET technologies, Freelance Backend Net Developers focus on server-side development, databases, and APIs, whereas Freelance Frontend Net Developers specialize in creating engaging user interfaces and client-side functionality. Understanding these differences helps clients choose the right freelancer for their project needs.

What are the most commonly searched types of Backend Net Developer jobs in California?

The most popular types of Backend Net Developer jobs in California are:

What are popular job titles related to Freelance Backend Net Developer jobs in California?

For Freelance Backend Net Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Freelance Backend Net Developer jobs in California look for?

The top searched job categories for Freelance Backend Net Developer jobs in California are:

What cities in California are hiring for Freelance Backend Net Developer jobs?

Cities in California with the most Freelance Backend Net Developer job openings:

Freelance Backend Net Developer jobs near you
Infographic showing various Freelance Backend Net Developer job openings in California as of June 2026, with employment types broken down into 86% Full Time, 11% Part Time, and 3% Contract. Highlights an 77% Physical, 2% Hybrid, and 21% Remote job distribution.

Full Stack React Developer at Roland DGA Corporation Irvine, CA

Downtown Boulder Partnership

Irvine, CA • On-site

$100 - $130/hr

Other

Posted 5 days ago

Job description

Job Description

Full Stack React Developer at Roland DGA Corporation, Irvine, CA. The role involves building responsive web interfaces with React, TypeScript, and .NET backend services and RESTful APIs. The position is hybrid: 3 days in office, 2 days remote. The candidate will collaborate with designers, product managers, and engineers to deliver scalable, high‑performance solutions; contribute to CI/CD pipelines and Azure cloud integrations.

Send your resume to resumes@rolanddga.com.

Responsibilities
  • Develop responsive, user‑friendly interfaces using React, JavaScript/TypeScript.
  • Implement reusable components and front‑end libraries.
  • Integrate front‑end with RESTful APIs and third‑party services.
  • Optimize applications for speed and scalability.
  • Collaborate with designers to ensure high‑quality UI/UX.
  • Build and maintain RESTful APIs and server‑side services using ASP.NET Core.
  • Design and manage data models and database integrations with SQL, Dynamics 365, and Azure Synapse Analytics.
  • Ensure security, data protection, and compliance best practices.
  • Develop backend logic and server‑side application functionality.
  • Monitor, debug, and enhance performance and reliability of backend services.
  • Provide ongoing support for production systems and troubleshoot issues.
  • Write and maintain unit, integration, and end‑to‑end tests.
  • Configure and maintain CI/CD pipelines (Azure Pipelines).
  • Participate in code reviews, technical discussions, and Agile ceremonies.
  • Maintain detailed documentation and clean, well‑structured code.
  • Collaborate with a diverse, global team.
  • Stay informed on emerging tools, frameworks, and best practices.
Qualifications
  • Bachelor’s degree, industry certifications, or equivalent experience.
  • Modern C#/.NET, ASP.NET Core.
  • React and TypeScript.
  • SQL and database concepts.
  • Understanding of authentication/authorization, accessibility, and internationalization/localization.
  • Experience building full‑stack web applications using React, TypeScript, C#, and .NET.
  • Experience writing unit, integration, and end‑to‑end tests.
  • Experience with CI/CD tools such as Azure Pipelines.
  • Familiarity with Microsoft Azure cloud hosting.
  • Proficiency with Git and issue trackers.
  • Strong organizational and multitasking skills.
  • Excellent verbal and written communication skills.
Physical Requirements
  • Talking: frequent detailed instruction or communication required.
  • Average hearing: able to hear normal conversations.
  • Repetitive motions: frequent use of wrists, hands, or fingers.
  • Average visual abilities: capable of working with ordinary visual acuity.
  • Physical strength: sedentary work; occasional exertion up to 10 lbs.
Company Description

Roland DGA Corporation is the U.S.-based marketing, distribution and sales arm of Roland DG Corporation of Hamamatsu, Japan, a worldwide leader in the sign, graphic arts, fine art, vehicle graphics, UV, photography, engraving and 3D modeling industries. Founded in 1981 and listed on the Tokyo Stock Exchange, Roland DG is the world’s number one provider of wide-format inkjet printers for the durable graphics market. Roland DGA is a nine‑time winner of the Top Workplace in Orange County award and we need more stellar people like you to join our team!

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