C# jobs in California

Remote

•

Today

.NET/C# Developer 100% REMOTE 3+ Months Contract W2 ONLY 1) Job Title: Web Developer Specialist 2) What is this position supporting: .Net C# software development (web api and windows service) 3) Remote: Yes 4) Duration: ends 12/31/25 5) Potential to convert/or extend: possible extension to next year but not guaranteed as budgets for next year are not determined 6) Must have qualifications/top 5 skills needed: .NET C#, SQL, Able to gather requirements, Able to interact with end user, Angular 7)

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Contract

$60+

Sr. Data Integration Developer - C# Azure Fabric & ADF - Healthcare

Remote

•

Today

Senior C# / SSIS / Azure Fabric Data Integration (Remote Contract) Healthcare Claims Data Transformation | Remote | Contract We are seeking a Senior Data Integration Consultant with deep expertise in C#, SSIS, Azure, and Microsoft Fabric for a long-term, remote contract engagement supporting a healthcare data migration and transformation initiative. This role requires senior-level development and analysis skills to design and deliver complex outbound data extracts in a cloud-based environment. A

Contract

$70+

SDET- C#

Santa Clara, California

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Today

Estuate Inc is hiring for a contract role at Santa Clara CA - SDET QA Onsite - Yes. It is onsite at Santa Clara CA Contract Job Description Test-Driven Development principles or equivalent combination of education and experience to perform at this level Proven experience creating test automation frameworks from scratch for both Windows native and hybrid (CEFSharp, WPF, Angular) applications Strong proficiency with modern testing tools and frameworks like Selenium, Playwright, and Cucumber

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Contract

$60 - $65

Principal Software Engineer C#

Vista, California

•

Today

Leidos is seeking a Principal Software Engineer (C#) to work for the Security Enterprise Solutions (SES) business unit in Vista, CA. The SES business unit at Leidos designs and manufactures highly complex security equipment for use at border crossings, airports, seaports, and other transportation mechanisms. Our products include radiation detectors and spectrometers, X-ray and gamma ray scanners for cars, trucks and trains, and CT explosives detection equipment for airline passenger baggage. The

Full-time

USD 126,100.00 - 227,950.00 per year

Software Engineer C#

Vista, California

•

Today

Leidos is seeking a Software Engineer (C#) to work for the Security Enterprise Solutions (SES) business unit in Vista, CA. The SES business unit at Leidos designs and manufactures highly complex security equipment for use at border crossings, airports, seaports, and other transportation mechanisms. Our products include radiation detectors and spectrometers, X-ray and gamma ray scanners for cars, trucks and trains, and CT explosives detection equipment for airline passenger baggage. The ultimate

Full-time

USD 67,600.00 - 122,200.00 per year

.NET Developer

Remote

•

Today

Job Title: .Net Developer Location : Remote in US Duration Permanent Employment Exp : 8+ Years Job Description: We are seeking a seasoned Senior .NET Developer with strong expertise in C# and ASP.NET Core to design, build, and optimize secure, scalable, and highperformance enterprise applications. You will lead endtoend delivery across architecture, development, testing, deployment, and support while mentoring engineers and partnering with product, QA, and DevOps to deliver business value. Must

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Full-time

$60,000 - $80,000

Software Tools Engineer (GNNS, C#/C++) - Onsite Torrance CA

Torrance, California

•

Today

Description: Position Title Software Tools Dev Engineer Onsite Responsibilities As a Software Tools Dev Engineer, for the client Intelligent Solutions Group in Torrance, CA you will develop Engineering Test Tools and provide support in software test of clients line of GNSS StarFire receivers. In addition, you will: Develop and implement tools to support analysis of GNSS StarFire Receivers. Support and implement Test Automation features for software test team. Diagnose and solve software defects

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Contract, Third Party

Principal Developer - C#

Lake Forest, California

•

Today

Location: Lake Forest, CA Salary: $160,000.00 USD Annually - $190,000.00 USD Annually Description: A global company that is a leader in its field is looking for a full-time direct hire Sr Cloud Operations Developer (C#) to join their team. In this role you will be working with internal teams and clients to continuously improve the organization's Cloud environment. This includes a focus on deployments, security and incident management as they occur. The right candidate will have 5+ years of A

Contract

USD 160,000.00 - 190,000.00 per year

Software Engineer

Hybrid in Pleasanton, California

•

Today

Hi We have an immediate Openings with Our Direct Client for a Long-term contract position. Job Title: Software Engineer Location: Pleasanton CA (twice bi - weekly) Duration: 12 months Experience: 10+ Years Candidates can expect to come into the office once every two weeks based on Manager flexibility SKILLS: Excel, VBA, SQL, C#.Net, C# engineer to support Excel VBA applications and SQL data bases Exp. with C#.Net required If interested, Please share below details with update resume: Full Name:

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Contract

Depends on Experience

Software Engineer - Excel, VBA, SQL, C#.Net, C# - Pleasanton, CA, USA

Hybrid in Pleasanton, California

•

3d ago

Must be authorized to work in the United States without the need for current or future employer sponsorship. Req : 10880-1 Job title: Software Engineer Duration: 12 months Location: Pleasanton CA (twice bi - weekly) Experience: 10+ Years SKILLS: Excel, VBA, SQL, C#.Net, C# engineer to support Excel VBA applications and SQL data bases Exp. with C#.Net required

Easy Apply

Contract

Depends on Experience

Golang Developer with C#

Remote

•

6d ago

Position: Golang Developer with C# Location: 100% Remote Duration: Long Term Job Description: 9+ years of software development experience, with at least 5+ years in GoLang. Strong expertise in Apache Kafka (producers, consumers, topics, partitions, streaming, schema registry, etc.). Hands-on experience implementing GoLang-Kafka integrations in AWS. Strong experience with MySQL (schema design, indexing, query optimization, replication). Deep knowledge of AWS services such as Lambda, ECS, EKS, S3,

Easy Apply

Contract

Depends on Experience

NX Engineer

Sunnyvale, California

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21d ago

Extensive experience in developing NX custom tools and Customize NXapplication using NXOpen Programming and Block UI Styler. Extensive Experience in NXOpen development using C# programming, Visual Studio. Development experience in NX Managed mode and Native mode. Great team player and quick learner. Ability to perform independently in all stages of SDLC that includes Requirement gathering, design, development, testing and rollout.

Easy Apply

Third Party, Contract

Depends on Experience

Azure C#/.Net Developer - 100% onsite

Irvine, California

•

Today

Azure C#/.Net Software Developer As an Azure .Net Software Developer, you ll play a key role in designing and developing solutions that enhance user experience and drive operational efficiency. This is a full-time, hands-on role ideal for a problem-solver with a passion for building high-quality applications. Key Responsibilities: Developing stable and innovative full-stack, web-based applications, services, and features Maintaining legacy .NET applications while troubleshooting critical probl

Full-time

$110k-135/yr

Full Stack-C#.Net (NO C2C/LOCAL ONLY)

Los Angeles, California

•

20d ago

JSG is seeking two Full Stack Software Developer s for a contract to hire role in Woodland Hills, CA. The developers will be responsible for designing, developing, and maintaining applications across the stack from backend APIs and services to dynamic, modern front-end interfaces. The developers will play a key role in building robust web applications using .NET (C#) on the backend and React/Next.js on the frontend. Key Responsibilities Design, develop, test, and deploy scalable web application

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Contract

$62 - $65

Principal FS .Net Mobile engineer - C#, API, Maui/Xamarin, iOS/Android, SQL Azure

Carlsbad, California

•

Today

Our client located in Carlsbad is a leading Medical Device company within Neurology. They are currently seeking a Staff / Principal level Full-stack .Net Mobile engineer to add to thier growing team of IT staff. This will be an On-Site position 5 days a week in their office. The right candidate for the positioon will have strong experience with Full-stack C#.Net, API, Mobile platforms likie Xamarin and Maui for iOS and Android, RESTful API, SQL and Azure cloud. This candidate will be leading a t

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Full-time

USD 150,000.00 - 170,000.00 per year

Sr C# .NET Software Engineer (.NET Core, SQL, AKS / Azure Service Bus / SFTP a plus)

Remote

•

Today

Remote Sr C# .NET Software Engineer (.NET Core, SQL, AKS / SFTP / Azure Service Bus a plus) Our client is looking to augment their team with an experienced Senior Software Engineer to assist in the implementation of cloud-based systems used by large corporations. This is a "best of all worlds" type of opportunity, working alongside highly-skilled resources, within a specialized technology division of a larger company, providing solutions to Fortune 500 companies. We are looking for flexible r

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Full-time

$125,000 - $165,000

Technical Lead - C#, Visual Studio

Remote

•

3d ago

Note: We are looking for a Lead level resource who has prior experience working on large scale Retail, Supply Chain projects. WMS experience is a great plus. Technical Leadership & Architecture:Lead the design, development, and implementation of robust, scalable, and high-performance C# applications.Define and enforce coding standards, best practices, and architectural guidelines.Conduct code reviews and provide constructive feedback to team members.Stay updated with emerging C#, .NET, and Visua

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Contract, Third Party

Depends on Experience

Software Engineer C#

Vista, California

•

Today

Job DescriptionDescription Leidos is seeking a Software Engineer (C#) to work for the Security Enterprise Solutions (SES) business unit in Vista, CA. The SES business unit at Leidos designs and manufactures highly complex security equipment for use at border crossings, airports, seaports, and other transportation mechanisms. Our products include radiation detectors and spectrometers, X-ray and gamma ray scanners for cars, trucks and trains, and CT explosives detection equipment for airline passe

Full-time

Compensation information provided in the description

Senior .NET Developer

Hybrid in Westlake Village, California

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10d ago

In-Person Interview at Westlake Village, CA Overview: We are looking for a Senior .NET Developer to join our development team and help build high-quality, innovative, and fully performing software solutions. You will be responsible for designing, developing, and maintaining enterprise-level applications using the Microsoft .NET framework and related technologies. As a senior team member, you ll also provide guidance to junior developers, participate in architectural decisions, and ensure best co

Easy Apply

Contract

$50 - $55

Principal Software Engineer C#

Vista, California

•

Today

Job DescriptionDescription Leidos is seeking a Principal Software Engineer (C#) to work for the Security Enterprise Solutions (SES) business unit in Vista, CA. The SES business unit at Leidos designs and manufactures highly complex security equipment for use at border crossings, airports, seaports, and other transportation mechanisms. Our products include radiation detectors and spectrometers, X-ray and gamma ray scanners for cars, trucks and trains, and CT explosives detection equipment for air

Full-time

Compensation information provided in the description

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C# jobs in California, USA