c# jobs in California

Hybrid in Sacramento, California

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Today

Role: C# Application and SQL Developer Location: Sacramento, CA (50% onsite after onboarding) Duration: 01/01/2026 12/31/2026 Overview Our client is seeking an experienced C# Application & SQL Developer to join our team under a leased employee contract. The selected resource will design, develop, and modify software applications while working closely with Senior SMEs on ETL processes to support a wide variety of data requests. Responsibilities Design, develop, and modify software application

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Contract

$60 - $80

Principal Software Engineer / Technical Lead:::(Backend: ASP.NET, .NET Core, C#, Web API) Must be in EST Zone

Remote

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Today

Must be in EST Zone We are looking for a Principal Software Engineer / Technical Lead who combines hands-on full-stack development expertise with strong leadership and communication skills. This role is 80% coding, 20% leadership perfect for someone who thrives on solving complex technical challenges while also mentoring a team and presenting solutions to C-level stakeholders. If you have recent hands-on React experience, deep knowledge of .NET Core, and a track record of building scalable micr

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Contract

$60 - $60

7136 - Senior Application & SQL Developer (.NET / C# / SQL Server) Must Reside in Sacramento to be considered

Sacramento, California

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Today

Job Description: 7136 - Senior Application & SQL Developer (.NET / C# / SQL Server) Must Reside in Sacramento to be considered Overview We are seeking an experienced Application & SQL Developer to support SMUD s data and application development initiatives. This role involves designing, developing, and modifying applications, databases, ETL processes, and reporting solutions while collaborating with senior subject matter experts and business stakeholders. The ideal candidate will bring strong te

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Contract

$40+

Full Stack .NET Developer (C#/ASP.NET) $65.50

Remote or Denver, Colorado

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Today

** The quickest way to be considered for this role is to CALL US directly! Click "Apply On Web" or "Apply Now" to access our Recruiter s contact details and give us a call today! ** ** We will NOT accept 3rd Party (C2C) Contractors ** JOB DETAILS: Position:Full Stack .NET Developer (C#/ASP.NET) JOB REF#:0 Duration:8+ Months (Contract) Location:REMOTE - Denver, CO 80206 Pay Rate:$65.50 per hour (W2 only) This role is 100% REMOTE - MUST BE LOCAL, living with in 50 miles of Denver (We will NO

Contract

USD 80,206.00 per year

C# Dot Net Developer with Capital Market And Investment Management exp

Remote

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Today

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. W2 ONLY (No C2C) Role: C# Dot Net Developer with Capital Market And Investment Management exp Location: NY(Remote) Job Type: W2 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 prin

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Full-time

$100,000 - $120,000

Software Engineer C#

Vista, California

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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 85,150.00 - 153,925.00 per year

Java Architect with strong C# exp (REMOTE) W2 Need EXP on Ensemble AND Samson

Remote

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Yesterday

Job Title: Architect Location: Remote / Atlanta GA / Frisco TX / Kansas City (Onsite at any of these locations) / Canada Client: T-mobile. Skills: Primary requirement is expertise in C technology/C language along with Amdocs/Billing experience. If Amdocs/Billing is not available, strong C language expertise alone is acceptable. Job Description: Around 13+ years of experience in C language hands-on development.Collaborate with cross-functional teams to determine project requirements and deliverab

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Contract

Depends on Experience

Senior Software Engineer C#, .Net, Dynamics 365 & Azure- Full Time with Client

Remote

•

Yesterday

Position: Senior Software Engineer Dynamics 365 & Azure Location: Brooklyn, NY or Remote Type: Full-Time | Experience: 5+ Years Industry: Healthcare Technology Behavioral Health Our mission is to help people help people by equipping Applied Behavior Analysis (ABA) and other behavioral health practices with a modern, scalable, and efficient platform that empowers practitioners to focus on what matters most: delivering transformative care. Our comprehensive practice management platform streamlines

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Full-time

Depends on Experience

SDET- C#

Santa Clara, California

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2d ago

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

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

Torrance, California

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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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Third Party, Contract

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

Remote

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2d ago

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+

Principal Developer - C#

Lake Forest, California

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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

Golang Developer with C#

Remote

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8d 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,

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Contract

Depends on Experience

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

Los Angeles, California

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22d 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

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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

Azure C#/.Net Developer - 100% onsite

Irvine, California

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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

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

Hybrid in Pleasanton, California

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5d 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

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Contract

Depends on Experience

Fullstack Architect with C#, React & Node JS

Remote

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Yesterday

Fullstack Architect with C#, React & Node JS Job Description: We are looking for a seasoned Full Stack Architect with expertise in designing and implementing scalable enterprise applications using C#, Node.js, and React. The role requires strong hands-on technical skills, architectural leadership, and the ability to guide development teams in building high-performing solutions. Key Responsibilities: Define architecture, design patterns, and best practices for full stack solutions.Lead end-to-end

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Contract

$70 - $75

Senior .NET Developer

Hybrid in Westlake Village, California

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12d 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

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Contract

$50 - $55

Senior Software Engineer

Remote

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Today

Senior Full Stack .NET Developer About the Opportunity: Our team has partnered with a SaaS company focused on improving transportation safety and efficiency to identify a Senior Software Engineer to join their team. This is a Microsoft shop, emphasizing a strong background in .NET/C#, Azure, SQL Server, JavaScript, Service-Oriented Architecture (SOA), and solid object-oriented engineering principles. In this role, youll play a critical part in architecting and building scalable, maintainable di

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Full-time

Depends on Experience

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c# jobs in California, USA