C# jobs in California

Software Engineer (C#/.NET, Test Automation, Azure)

Hybrid in Los Angeles, California

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Yesterday

Software Engineer (C#/.NET, Test Automation, Azure) Job Description We are seeking a Lead Software Engineer to develop scalable, secure, and resilient platform services. The ideal candidate will have strong hands-on experience with C#/.NET, test automation, cloud technologies, CI/CD, APIs, and microservices .Key Responsibilities Develop and maintain automated unit, integration, smoke, and end-to-end tests. Integrate automated testing and quality gates into CI/CD pipelines. Design and develop bac

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Contract

$65 - $75

TSD Application Developer - Lead (Senior/Specialist) | Two Positions

Remote or Lacey, Washington

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Today

Salary : $99,300.00 - $133,608.00 Annually Location : Thurston County - Lacey, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 26DOT-HQ-04768m Department: Dept. of Transportation Division: Headquarters Opening Date: 10/01/2026 Closing Date: 10/12/2026 11:59 PM Pacific Description About WSDOT The Washington State Department of Transportation (WSDOT) is a multimodal agency with a global reputation for excellence. Our dedicated workforce plans, designs, builds, an

Full-time

USD 99,300.00 - 133,608.00 per year

Senior Software Engineer (.NET/C# + Azure + AI)

Hybrid in Los Angeles, California

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16d ago

Hiring: Senior Software Engineer Location: West Los Angeles, CA Expected Work Mode:(The role will start remotely until the LA office location is identified later this year, after which the resource will be onsite 2-3 days a week) Description: We are seeking an experienced Senior Software Engineer to design and build scalable, secure, and resilient payment processing platforms. This is an excellent opportunity for a technical leader with a strong FinTech, Financial Services, or Banking background

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Contract

Depends on Experience

C#/C++ developer

San Jose, California

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Yesterday

C#/C++ DeveloperLocation: San Jose, CA OverviewWe are seeking an experienced C#/C++ Developer to build high-performance .NET applications and architect software frameworks integrated with hardware. In this role, you will work closely with Product Owners and Quality Engineers in an Agile environment to design, build, and support production-ready client software. ResponsibilitiesCollaborate with Product Owners to turn user stories into robust .NET applications using object-oriented design patterns

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Contract

65 - 70

C#/Duck Creek Developer (Field Engineer)

Remote or Hybrid

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Today

Precision is seeking THREE (3) Duck Creek/C# Developers for a contract position with our Fortune 100 client. This fully remote role supports software applications and platform enhancements using Duck Creek Policy, C# .NET, Kafka, and API development. You will analyze requirements, create programming specifications, develop and test code, support production applications, and maintain technical documentation. The role requires strong troubleshooting, problem-solving, organization, and communicatio

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Contract

DOE

Test software engineer (LabVIEW, Matlab, Python, and C#)

Sunnyvale, California

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4d ago

In this role the test software engineer will be responsible for developing and debugging LabVIEW and Python based code. Develop LabVIEW software to utilize different testing equipment on optical bench interphasing DUT (Device under test) with test equipment such as Spectrum analyzer, Oscilloscope, Lasers, Optical transceivers, NI cards, interfacing with custom PCBAs through USB etc. DLLs, Python and Matlab code will be utilized to interface with Labview as necessary. Experience with using LabVIE

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Full-time

100,000 - 110,000

Sr. Backend Developer - C#/.Net - Fremont, CA - NEED LOCAL

Fremont, California

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9d ago

Position Description The Senior Software Engineer will focus on developing new solutions for Accounting Engine application.He/She will be joining other team members that provides support to any Accounting Engine production issue.He/She will be joining daily scrum meetings with global Accounting Engine team.He/She will collaborate with other development teams to discuss the end to end solution.Responsibilities He/She will be responsible for helping to maintain and develop Accounting Engine integr

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Contract

Senior GenTax Developer - C#/PostgreSQL - REMOTE

Remote

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11d ago

Job Description: No Corp to Corp, Only W2/ 1099 Resumes will be considered Work Location: 100% Remote (Manager is willing to consider candidates in Eastern, Central, Mountain, and Pacific Time Zones) The candidate will be responsible for analysis, design, coding, testing, and documentation. The candidate will code enhancements and develop required fixes to production problems using the functional and technical programming standards of the GenTax system. The tool set will include C#, PostgreSQL,

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Contract

Depends on Experience

Principle Software Engineer(C# AKS)

Hybrid in Los Angeles, California

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3d ago

Tittle Principal Software Engineer Location- Los Angeles, CA /Hybrid 3 days onsite 2 days remote Contract 12+ months Job Summary Analyzes, designs, programs, debugs, and modifies software enhancements and/or new products used in local, networked, cloud-based or Internet-related computer programs. Code may be used in commercial or end-user applications, such as materials management, financial management, HRIS, mobile apps or desktop applications products. Using current programming language and

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Contract

Depends on Experience

Fullstack Developer, React/.Net/C# - Fremont, CA Onsite - NEED LOCALS

Fremont, California

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9d ago

Required Skills: .Net, C#, React, MQ SQL OR PostGres Fintech, payroll background is ideal AI is plus, Golang, python is plus POSITION SUMMARY: What to Expect The payroll team is looking for a Full Stack Developer to contribute to the development of our Web App. The person will be responsible for building and maintaining full stack applications that support various use cases of service business. The payroll application is built with React, C#, Golang, and Python.The person will be working closel

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Contract

Fullstack Developer - C#/.Net/Angular - Fremont CA

Fremont, California

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15d ago

POSITION SUMMARY What Youll Do Contribute to the complete software development lifecycle for applications, ensuring that all projects are delivered on time and meet high-quality standards Design, develop, and maintain full stack web applications, utilizing .NET, C# Collaborate with cross-functional teams, including product managers, service engineers and other software engineers, to define and implement features that enhance operational efficiency for our customers Ensure that web applicati

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Full-time, Third Party

Depends on Experience

Mainframe Developer with C#

Remote

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2d ago

Hiring, Greetings from Modern Agile Technologies. Position: Mainframe Developer with C# Location: Remote (Fine to work in AZ time zone) Type: Contract Position: Mainframe Developer (C#/.NET) Required Skills: Strong experience in Mainframe technologies (COBOL, JCL, CICS, DB2, VSAM).Hands-on experience in C#/.NET development.Experience with SQL Server and database design.Knowledge of mainframe modernization, integration, and API development.Health care knowledge (preferred)

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Contract

Depends on Experience

Developer (GenTax)

Remote

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10d ago

5+ years of programming experienceExperience with one of FAST Enterprises systems (GenTax, Fast DS-VS, Fast UI-PL, or Fast CSE)C#, PostgreSQL, and Visual Studio

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Contract

Depends on Experience

Lead Product Engineer (Backend .Net)

Hybrid in Los Angeles, California

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2d ago

Job Title: Lead Product Engineer Location: Hybrid in West Los Angles Type: Contract to Hire AgreeYa is a global Systems Integrator and is seeking an experienced Lead Product Engineer to join our growing team. AKS (Azure Kubernetes Service) Kubernetes container orchestration experience C# / .NET baseline requirement for all submittals Financial services preferred AI / ML a plus Job Description: Job Summary Client is seeking a Lead Product Engineer with deep expertise in .NET, C#, SQL Serve

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Full-time

60 - 68

Mainframe with C#

Remote

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2d ago

Role :- Mainframe Consultant with .Net C# Location: | Remote Contract OpportunityLooking for a strong Mainframe Developer with:Hands-on C# coding experience Strong Mainframe experience Excellent communication skills Ability to work independently in a remote environment

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Contract, Third Party

Depends on Experience

Lead Engineer, Software Development

Los Angeles, California

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19d ago

Lead EngineerCompany Description / DetailsA leading financial technology company is seeking a Lead Engineer to design, develop, and modernize enterprise-grade applications using .NET, C#, SQL Server, and Azure. The role will focus on cloud migration, AI-assisted software development, automated testing, and cloud-native architecture. Important DetailsEmployment Type: ContractDuration:Till 04/01/2027Location: West Los Angeles, CA HybridPay Rate: $68.91/hr on W2Work Schedule: Minimum 3 days/week o

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Contract, Third Party

$68.91 - $68.91

Software Engineer III

Cupertino, California

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18d ago

Our client, a (Global Tech Leader), is looking to hire a (Software Engineer ) in (Cupertino, CA - Hybrid). Pay Rate Range:$85.00 - $89.69/hr. on W2, depending on experience Duration: 9-month contract Minimum Qualifications610 years of professional software engineering experience, with meaningful mobile application platform experience; iOS strongly preferred.Strong Swift and/or Objective-C skills, with solid working knowledge of Xcode, ApplicationStore distribution, and application launch and li

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Contract

$89.69

C#.NET Developer with Trading And Capital Market Exp

Remote

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2d ago

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. Role: C#.NET Developer with investment banking and Capital Market exp.Location: NY(Remote)Job Type: W2 / Fulltime Client is looking for a reliable full stack Dot Net developer ASAP.Wealth Management & Capital Market (Trading, Equities, Portfolio) Exp. Must.SQL, C#, .NET, Full stack developer with 8+ years of experienceProficiency in C#, .NET framework, and object-oriented programming principles.Experienc

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Full-time

Depends on Experience

Sr. C# .Net Developer with COBOL

Remote or Hybrid

•

Yesterday

Remote Only W2 - No Corp to Corp C#.NET and able to understand the COBOL programming for a short-term duration of 3 to 6 months

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Contract

.NET/C# web developer - Local to CA

Remote

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4d ago

.NET/C# web development Client is in California Remote in the USA 8 to 12 months. Position requires evidence of 5+ years SQL Server, 5+ years .NET/C# web development, 3+ years Azure, 5+ years data modeling/database design, 3+ years Microsoft Access, 5+ years requirements gathering, 5+ years project management and 5+ years testing medium/large applications. Please send me our strongest resumes that collectively demonstrate all eight requirements, particularly Microsoft Access and Azure. Also id

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Full-time

Depends on Experience

C# jobs in California, USA