C# jobs in Petaluma, CA

Test Engineer (RF/Microwave, C++/C/C#/.NET)

Santa Rosa, California

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2d ago

Job Description: Key ResponsibilitiesTest Development: Develop comprehensive test plans and procedures for integrated circuits (ICs), including defining testing methodologies and creating test programs. Write test automation code and adapt testing approaches to different device designs.Test Execution: Conduct functional testing and characterization of ICs using custom-built test stations and other measurement tools to evaluate performance, functionality, and reliability.Data Analysis: Analyze te

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Full-time

Depends on Experience

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Precision is seeking a Senior Full Stack Developer for a contract position supporting our Fortune 100 client. This fully remote role requires work during Eastern Time business hours and focuses on building and supporting software across the UI, backend, APIs, databases, and cloud. You will develop with C#/.NET and Angular while designing APIs and microservices. Strong AWS experience is essential, including DynamoDB, SQS, SNS, S3, Lambda, and Terraform. The role also includes technical documentat

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Contract

DOE

Jr. Software Developer C#

Remote

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2d ago

Software Developer About The Opportunity The Intersect Group is partnering with a respected organization in the consumer finance industry that is committed to delivering innovative technology solutions that improve business operations and customer experiences. The company values collaboration, continuous learning, and technical excellence while fostering an environment where employees can develop their skills and make a meaningful impact. This is an opportunity to join a stable, technology drive

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Contract

Depends on Experience

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

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Contract

DOE

Senior Software Engineer - .NET, C#, WPF

Remote

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Today

Job Description A Global Software Engineering company is seeking a Senior Software Engineer to develop and extend business applications for enterprise clients while providing technical leadership and mentorship to the development team. Working within an Agile Scrum environment, you will build and enhance applications across desktop and mobile platforms, including WPF, UWP, iOS, and Android. This role combines hands-on software development with project ownership, client engagement, and solution

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Full-time

$115000 - $130000

Senior Programmer (C# .Net)

Remote or Hybrid in Los Angeles, California

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Today

Job Title: Senior C# .NET Developer Remote Duration: 12 Months Skills Required The Senior Programmer will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; operating systems installation and configuration procedures; organization's operational environment; software design principles, methods and approaches; principles, methods and

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Third Party, Contract

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

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Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

Jr - Mid level C# .Net Full Stack developer IOT

Remote

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5d ago

Jr - Mid level C# .Net Full Stack developer IOT Client is unable to sponsor visa at this time, so looking for USC. Required 26 years full-stack development shipping production software React / TypeScript + .NET C# or Python backend IoT protocol experience (MQTT, AMQP) or edge software integration Software packaging: installers, containers, or update agents AI tools in daily dev (Cursor, Copilot, Claude Code) CI/CD familiarity (GitHub Actions or equivalent) Nice to Have Medical device soft

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Contract

Depends on Experience

Managing Engineer (C#/ASP.NET)

Remote

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Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Managing Engineer (C#/ASP.NET) leads a team of softwa

Full-time

USD 100,000.00 - 170,500.00 per year

Software Engineer III: Backend C#

Remote

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Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

Hardware Engineering Intern

Santa Rosa, California

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Today

Overview Keysight is a mission-critical design enablement partner for organizations solving the world's most complex engineering challenges. With deep engineering expertise and leading design, emulation, and test solutions, our ~16,800 employees help customers in over 100 countries accelerate innovation across communications, automotive, energy, quantum, aerospace and defense, semiconductor, and artificial intelligence markets. Learn more about what we do. At Keysight, people come together to

Full-time

USD 32.77 - 35.29 per hour

System Integration Engineer (R&D HW/SW)

Santa Rosa, California

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Today

Full-time

USD 156,000.00 - 261,000.00 per year

Expert Electronic Design Engineer

Santa Rosa, California

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Today

Full-time

USD 133,200.00 - 222,000.00 per year

Engineer-In-Training I/II - Structural - Larkspur

Larkspur, California

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Today

Job Type Full-time Description Martin/Martin, Inc. is looking for a structural Engineer-in-Training I or II to join our Structural Engineering Group in our Larkspur, California office. This engineer will have the opportunity to work on a broad range of project types with many different structural materials. This position will provide opportunities to gain experience in both new building structural design and existing building investigations and retrofits. A typical work week can include engin

Full-time

USD 93,000.00 - 98,000.00 per year

Software Engineer Modern C++

Santa Rosa, California

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Today

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~16,800 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do. Our award-winning culture embraces a bold vision of where technology can take us and a

Full-time

Signal Processing Software Engineer (DSP & Communications Systems)

Santa Rosa, California

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Today

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do. Our award-winning culture embraces a bold vision of where technology can take us and a

Full-time

USD 122,580.00 per year

IT Application Development - Senior/Specialist (Olympia)

Remote or Olympia, Washington

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Today

Salary: $99,300.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Project (limited duration) Remote Employment: Flexible/Hybrid Job Number: 2026-08394 Department: Dept of Children, Youth, and Families Division: Information Technology Opening Date: 10/16/2026 Closing Date: 11/1/2026 11:59 PM Pacific Description Our vision is to ensure that "Washington state's children and youth grow up safe and healthy-thriving physically, emotionally and educationally, nurtured by fami

Full-time

USD 99,300.00 - 133,608.00 per year

Senior Software Engineer

Remote

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4d ago

Payrate: $70.00 - $70.44/hr.SummaryAs a Senior Software Engineer, you will be a driver for many of our projects here at Company. You will interface with technical teams, lead projects, and mentor more junior engineers. You should be thorough in your designs and implementation, passionate about code quality, performance, and continuous improvement. You should be able to take a holistic view of software development; keeping the big picture in mind and seeing a project through from beginning to end

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Contract

$70 - $70.44

.Net Software Developer :: Remote

Remote or New Jersey

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Today

.Net Developer/.Net Software Developer California, MD, US Remote, but in office on occasion or as needed Fulltime-- This software developer analyzes, designs and develops computer software required to support hardware or technical service products. Performs systems modeling, simulation and analysis. Reviews system architecture, selects, and implements appropriate development and support tools to ensure product performance. The products are components of the military aviation mission planning e

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Full-time

Application and Innovation Customer Engineer 6572887

Remote or Walnut Creek, California

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Today

Accenture Flex offers you the flexibility of local fixed-duration project-based work powered by Accenture, a leading global professional services company. Accenture is consistently recognized on FORTUNE's 100 Best Companies to Work For and Diversity Inc's Top 50 Companies For Diversity lists. As an Accenture Flex employee, you will apply your skills and experience to help drive business transformation for leading organizations and communities. In addition to delivering innovative solutions for

Full-time

USD 44.00 - 54.00 per hour

C# jobs in Petaluma, CA, USA