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Contract C# Developer Jobs in California (NOW HIRING)

Virtuous Tech Inc

Visual C++ Developer

Irvine, CA · On-site

Contract We are seeking a Visual C++ (VC++) Developer with strong SQL skills for an onsite opportunity in Irvine, CA. The ideal candidate should have excellent communication skills and hands-on ...

Prevail Recruiting

P&C Engineer

San Diego, CA · Hybrid

$130K - $160K/yr

Protection and Controls (P&C) Substation Engineer San Diego, CA Engineering Partners (EPI) is a well-known engineering company in San Diego with utility, municipality, and government contracts ...

Sapsol Technologies Inc

C++ Developer

Mountain View, CA · On-site

$57.75 - $77.75/hr

Implement robust API contracts and data schemas for results, metadata, and provenance. Integrate ... Engineer for production quality: Testing, performance profiling, reliability patterns ...

Sapsol Technologies Inc

C++ Developer

Mountain View, CA · On-site

$57.75 - $77.75/hr

... contracts and data schemas for results, metadata, and provenance. • Integrate with enterprise ... Engineer for production quality: Testing, performance profiling, reliability patterns ...

W3Global Inc.

Head of GN&C

Torrance, CA

$310K - $400K/yr

This is an opportunity to join a small, highly technical team where engineers have significant ... We specialize in placing permanent, direct, contract, and temporary positions for companies of any ...

Jobsbridge

C++ Developer

San Jose, CA · On-site

$57.50 - $77.25/hr

Max Salary $ DOE Per Hour Employment Type Contract Jobs (Temp/Consulting) Job Duration 6+ Months ... Need strong analytic skills and C++. They will study flow, identify dependencies and impacted ...

Turion Space

Contract Administrator

Irvine, CA · On-site

... engineering, and finance. * Maintain comprehensive contract files including original documents ... C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required ...

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All JobsContract C# Developer JobsContract C# Developer Jobs in California

Contract C Developer information

See California salary details

$39.5K

$127.7K

$156.4K

How much do contract c# developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for contract c# developer in California is $127,654.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,600.00 and $154,900.00 per year, depending on experience, location, and employer.

What is a contract C# developer?

A Contract C# Developer is a software developer who specializes in using the C# programming language on a contractual basis. They are typically hired for short-term projects to develop, maintain, or enhance applications using C# and related technologies like .NET. These professionals often work remotely or on-site for a specific duration, depending on project needs. Contract developers may work independently or through staffing agencies, offering flexibility compared to full-time employment.

What does a contract C# developer do?

A typical project for a Contract C# Developer often involves working on specific modules or features within a larger application, integrating with databases, developing APIs, or maintaining and updating existing codebases. You may work in sprints as part of an Agile team, attend regular stand-up meetings, and collaborate closely with other developers, QA engineers, and project managers. Projects usually have defined deliverables and deadlines, requiring self-motivation and efficient time management. As a contract developer, you might juggle more than one project or client at a time, which offers valuable experience in various business domains and development practices.

What are the key skills and qualifications needed to thrive as a contract C# developer?

To thrive as a Contract C# Developer, you need a strong grasp of C# programming, .NET frameworks, object-oriented design, and experience with software development lifecycles, typically supported by a degree in computer science or related field. Familiarity with Visual Studio, source control systems like Git, and knowledge of cloud platforms such as Azure or AWS are highly valued, and certifications in .NET or cloud services can be beneficial. Strong problem-solving skills, effective communication, and the ability to quickly integrate into new teams or projects distinguish top candidates in this flexible role. These skills and qualities ensure on-time delivery of high-quality code, adaptability to varying client environments, and effective collaboration with cross-functional teams.

What are the most commonly searched types of C# Developer jobs in California? The most popular types of C# Developer jobs in California are:
What cities in California are hiring for Contract C# Developer jobs? Cities in California with the most Contract C# Developer job openings:
Contract C Developer jobs near you
Infographic showing various Contract C# Developer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $127,654 per year, or $61.4 per hour.

Contract - C/C++ - Software Developer - San Diego CA

Aptiva Corp

San Diego, CA • On-site

$52 - $70/hr

Contractor

Re-posted 15 days ago

Job description

 
Software Developer (C/C++) 

San Diego CA

Long term Contract

Job Description: We are looking for a skilled and motivated C Developer to work on 3GPP SA core network development, focusing on the Open5GS project. As a key member of our development team, you will contribute to feature development, design, implementation, and unit testing of core network functions, with a focus on high-performance solutions using DPDK (Data Plane Development Kit), C, and C++ programming languages. You will collaborate closely with cross-functional teams to deliver robust, scalable, and reliable solutions for the evolving telecom infrastructure.

Responsibilities:

· Develop and maintain 3GPP SA core network components using the Open5GS open-source project.

· Design, implement, and optimize features for the 3GPP core network, ensuring high availability and performance.

· Utilize DPDK for packet processing and optimize data plane functionality in a Linux-based environment.

· Write efficient, scalable, and high-quality C/C++ code for core network functions and protocols.

· Perform unit testing and debugging to ensure the reliability and functionality of developed features.

· Collaborate with cross-functional teams including system architects, QA engineers, and other developers to ensure seamless integration and timely delivery of network solutions.

· Contribute to the documentation of code, features, and technical designs.

· Participate in code reviews and provide constructive feedback to peers to improve code quality and development processes.

· Stay updated with the latest developments in 3GPP standards and core network technologies to ensure the solutions are in line with industry trends.

Required Skills & Qualifications:

· Strong proficiency in C and C++ programming languages, particularly for network development.

· Experience with DPDK (Data Plane Development Kit) for high-performance networking and packet processing.

· Solid understanding of Linux-based environments and tools.

· In-depth knowledge of the 3GPP SA core network architecture, including protocols and network functions.

· Familiarity with Open5GS or other open-source 5G core solutions.

· Strong experience in feature development, debugging, and unit testing in a telecom software development environment.

· Ability to work independently and collaboratively in a team setting.

· Strong problem-solving and analytical skills.

· Good understanding of version control systems (e.g., Git).

Preferred Qualifications:

· Experience with 5G core network protocols and architecture.

· Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes).

· Previous experience working in an Agile development environment.