C# jobs in California

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

Hybrid in Los Angeles, California

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Today

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

$55 - $60

Backend Developer - C# (Onsite in Fremont, CA) Face to face interview must; local only

Fremont, California

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5d 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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Third Party, Contract

Depends on Experience

Sr. Software Engineer (C# .NET/Azure/React/API

Remote

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Today

Title: Sr. Software Engineer (C# .NET/Azure, React, APIs, Kafka and Kubernetes) Location: REMOTE Duration: one year with possible extensions Compensation: 70-80/hr Work Requirements: , Holders or Authorized to Work in the US Job Description: Seeing a motivated Software Development professional passionate about NET/Azure development and integrations. You excel at software development and have experience in .NET, specifically C#, React, API, and Eventing. You are optimistic, proactive, analytica

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Contract, Third Party

$65 - $70

Full Stack ASP.NET Developer – C#, React, Azure/AWS (C2H)

Sacramento, California

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Today

Full Stack .NET Developer C#, React, Azure/AWS Location: Sacramento, CA (Hybrid Onsite 3 days/week) Category: .NET Full Stack Development NOTE: Target full stack .NET developers who have: C# + .NET + ReactEnterprise web application experienceCloud or hybrid development exposure (Azure/AWS)APIs + microservices + CI/CD + DevOpsInsurance / workers comp background is a plus, not required Role Summary Software Engineer Level 2 responsible for designing, developing, and maintaining enterprise appli

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Full-time

Depends on Experience

Automation Engineer (C#/.NET, Postman, Cucumber, Azure)

Hybrid in Santa Monica, California

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Today

Software Engineer (C#/.NET, Test Automation, Azure)Job DescriptionWe 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 ResponsibilitiesDevelop and maintain automated unit, integration, smoke, and end-to-end tests.Integrate automated testing and quality gates into CI/CD pipelines.Design and develop backend s

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Contract

$60 - $65

Lead Software Developer in Test (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 client is hiring for a Lead Software Developer in Test to assist the project team with driving quality-centric practices into their software development processes and will also be responsible for working closely with the project teams to guide their use of test automation assets and consult on the creation and use of new test automation. The role is open to fully remote but candidates but must be willing to work ET hours within the United States. Day-to-Day Responsibilities: - S

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Contract

DOE

Automation/Controls Software Engineer (C#/C++)

Livermore, California

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4d ago

Position Title: Automation/Controls Software Engineer (C#/C++) Location: Livermore, CA (Onsite) Duration: 2 Options: Direct-hire Permanent (Preferred) OR Contract-to-Hire (Targeting 2 3 months conversion to perm) Start Date: As Soon As Possible Scope of Work / Summary of Problem Statement The client is seeking to add Multiple Controls Software Engineers to support the design and development of software for high-precision manufacturing equipment built in-house. These positions will support ongoin

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Full-time

$135,000 - $175,000

Product Owner (With C#/.NET and Medical Devices Experience) Milpitas, CA (Hybrid)

Milpitas, California

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Today

Role: Product Owner (With C#/.NET and Medical Devices Experience) Milpitas, CA (Hybrid) Location: Milpitas, CA Work Arrangement: Hybrid (3 Days a week) Must Have: Knowledge of Medical Instruments under Flow Cytometry. Job Description Works independently to specify, plan, design, develop, test and support software components as assigned. Works with team to establish necessary requirements specifications and test plans for software product validation. Responsible for researching, recommending, es

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Third Party, Contract

Lead Software Engineer (C# .NET Azure)

Hybrid in Los Angeles, California

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12d ago

Job Title: Lead Software Engineer Location: Los Angeles, CA (Hybrid 3 days/week later) We are seeking a Lead Software Engineer to join the Risk Team and build scalable, secure, and resilient systems supporting fraud detection, risk scoring, and compliance automation. Must haves: Fintech experience, .NET, C#, Azure Key Responsibilities: Design and develop backend services, APIs, and microservices for risk and fraud platforms Lead technical initiatives around system reliability, observability, inc

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Contract

$60 - $80

Senior AWS Developer (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 direct client is hiring for a talented C# Developer with strong experience working with AWS services. You would be designing and coding in a variety of technologies supporting backend, APIs and Cloud systems. The ideal candidate will have experience in developement with C# as well as strong understanding of AWS infrastructure (S3, Lambdas, EC2, etc) and Terraform. This team works in an Agile Scrum environment and uses Azure DevOps (AZDO) to plan and manage delivery. This would b

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Contract

DOE

LAFD 911 CAD Systems Developer

Los Angeles, California

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3d ago

Required Qualifications & Experience: Minimum 10 years of experience with LAFD 911 CAD systems.Minimum 10 years of experience in software development, specifically for 911 systems.Proficiency in programming languages including C++, C#, and Oracle SQL.Experience with Tibco Rendezvous and other middleware communications methods.In-depth knowledge of developing and implementing LAFD 911 software.Preferred Skills and Experience: Experience LAFD 911 System and its Middleware Communication MethodsAbil

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Third Party, Contract

Depends on Experience

QA Engineer - Playwright and C# exp - Hybrid - Plano, TX - W2

Remote or Plano, Texas

•

Today

We are seeking a skilled Senior QA Engineer to join our dynamic software development team. In this role, you will lead quality assurance initiatives across web applications and web services. You will be responsible for traditional manual/API testing, backend data verification, and building modern, reliable automated test suites. The ideal candidate blends strong foundational QA practices with modern automation expertise, possesses object-oriented coding skills, and is adept at utilizing AI-assis

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Contract

Sr. Full Stack Engineer (.NET/C# & Angular)

Fremont, California

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Today

Sr. Full Stack Engineer (.NET/C# & Angular)Location: Fremont, CA (Local Only) Onsite: 5 Days/Week Duration:12 Months Contract Employment Type: W2 Experience: 58 Years Position OverviewWe are seeking a Senior Full Stack Engineer with strong hands-on experience in C#, .NET, Angular, and SQL to support business-critical enterprise applications. The ideal candidate will have strong full-stack development experience, excellent problem-solving skills, and the ability to independently design, develop,

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Contract

Depends on Experience

senior System Engineer

Remote

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5d ago

Senior Systems Engineer Remote FULL TIME Required Skills & Experience Experience: 812+ years in semiconductor equipment / automation systems Domain expertise in: System engineering / Architecture - Machine level (mechanical, electrical, firmware, and software) Semiconductor tools: EFEM, Sorter, Load Ports, Wafer Handling, robots Key Skill expected: Embedded Firmware background - C/C++ / RTOS / Microcontrollers C# - machine automation or industrial applications Motion control systems

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Full-time, Third Party

Depends on Experience

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

Fremont, California

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5d ago

JOB TITLE:Full Stack C#/Angular Developer LOCATION: Fremont, CA DURATION: 6+ months Contract POSITION SUMMARY: What to Expect The Insurance Claims Application team is seeking a Backend Software Engineer to contribute to the development of our Web App. These products are part of the advanced platforms for managing Service workflow for Vehicle, Insurance Claims and Energy products. The person will be responsible for building and maintaining full stack applications that support various use c

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Full-time, Third Party

Depends on Experience

Senior React Developer (.NET/C# & Azure)

Los Angeles, California

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13d ago

Hi Good Morning, Job Title: Senior React Developer (.NET/C# & Azure) Location: Los Angeles, CA (Onsite) Duration: Long term Contract (Potential Extension) Position Overview We are seeking an experienced React Developer with strong front-end expertise and a solid background in .NET, C#, and Microsoft Azure for a long-term onsite engagement in Los Angeles, CA. The ideal candidate will be a hands-on Senior React Developer who can build modern web applications using React while collaborating acros

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Contract

Senior C#/Angular Developer

Remote or Hybrid

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Today

Our Fortune 100 client is hiring for a Senior Fullstack Developer to focus on Angular front-end development and C# back-end to enhance capabilities. This role requires expertise in C#, .NET (back-end), Angular (v18+), JavaScript, HTML (front-end), SQL Server, and APIs. You'll analyze requirements, write and test code, support production systems, and ensure seamless software integration. Experience with Duck Creek insurance platform is a plus. This is a fully remote role foowing an ET work schedu

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Contract

DOE

Sr. Fullstack Developer - Interactive

Hybrid in Glendale, California

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Today

Title: Senior Full-Stack Developer - Interactive Location: Hybrid - Glendale, CA Duration: 6 Months + Position Summary Seeking a highly skilled Senior Full-Stack Developer to design and develop next-generation interactive facility maps and digital rental experiences for our customers. This role will focus on transforming static property and unit maps into dynamic, customer-friendly digital experiences that provide real-time unit availability, pricing, promotions, and online rental capabilities

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Contract

Depends on Experience

Full Stack Developer (.NET / C# + React)

Remote

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5d ago

About the Role Our client, a company in the payments/fintech space, is seeking an experienced Full Stack Developer to join their engineering team. You'll build and maintain secure, high-throughput services on a modern .NET + Azure stack, working across the backend and the React front end. This is a fully remote, contract or direct-hire for candidates already based in the U.S and authorized to work. What You'll Do Design, build, and maintain backend services in C# / .NETDevelop responsive, user-f

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Full-time

$80

.NET Full Stack (.NET and Angular) - Face to Face Interview

Fremont, California

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18d ago

Jr. .NET Full Stack Developer C#/Angular (or other frontend experience) Fremont, CA -- Onsite Role -- Face to Face Interview Job Description: Duties/Day to Day Overview Key Responsibilities Design, develop, and maintain full-stack web applications using .NET, C#, Angular, and Typescript. Build and enhance scalable, customer-facing web applications. Develop and integrate REST APIs with backend distributed systems. Collaborate with product managers, engineers, and stakeholders to define and imple

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Contract

Depends on Experience

C# jobs in California, USA