C# jobs in California

Senior Software Engineer - Mission Systems Integration

Remote

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses d

Sponsored

Full-time

C#.NET Developer- Lake Forest, CA- Only Locals

Hybrid in Lake Forest, California

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Today

C#, .Net, Full Stack Development User interface and user experience design. Experience with relational databases and SQL. SQL Server preferred. Task based, multi-site configuration management, e.g. ADO and Git. Developing software deployed to Azure Public speaking and presentation skills. Ability to deliver against content, quality and date. Ability to create effective unit and integration tests. Ability to estimate tasks, using task breakdown and advice from colleagues. Ability to give and rec

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Contract

Depends on Experience

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

C# / .NET QA Automation Engineer

Hybrid in San Francisco, California

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Today

DearPartner,We have a urgent requirement foraC# / .NET QA Automation Engineerand need your immediate support to fill this position.Please submit relevant, qualified profiles matching the job description provided below.Title:C# / .NET QA Automation Engineer Location:San Francisco, CA (3-day onsite/week) Job Description: Experience with C#Experience in test implementation using .Net App Automation FrameworkExperience with a BDD-based approachExperience with Desktop automation, including UI automa

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Contract

Depends on Experience

C# QA Automation Engineer

San Francisco, California

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Today

Job Description: Experience with C#Experience in test implementation using the .Net App Automation FrameworkExperience with a BDD-based approachExperience with Desktop automation, including UI automationExperience with Reqnroll BDD framework would be a plus Job Responsibilities Work with the client team to identify and implement test cases for automation in the aligned PriorityAutomation to seamlessly integrate with existing frameworks, workflows, and Lab environmentsPotential risks associated w

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Third Party, Contract

Depends on Experience

Full Stack Software Engineer (C#/.NET)

Fremont, California

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Today

Please share resume to rajesh at delviom dot com Required Skills5+ years of experience inweb application/software developmentStrong experience withC# and .NET / ASP.NET CoreStrongAngular and JavaScriptdevelopment experienceExperience designing and implementingRESTful APIsStrong knowledge ofObject-Oriented Programming (OOP) and Object-Oriented DesignExperience withORM frameworks, preferably Entity FrameworkStrongSQL and relational databaseexperience, preferablyMySQLExperience withNoSQL databasesi

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Contract

Depends on Experience

Principle Software Engineer(C# AKS)

Hybrid in Los Angeles, California

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6d 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

Full Stack Engineer (Local candidates only, In-person Interview, 100% Onsite)

Fremont, California

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Yesterday

ONLY LOCAL CANDIDATES 100% ONSITE. IN-PERSON INTERVIEW IN FREMONT, CA 94555 Develop scalable solutions using tools like Angular, C#/.Net, MySQL and other open stack frameworks 6 years in web application development, including, Implementing Application Programming Interfaces (APIs), Object Oriented Programming and Design (OOP&D), Object Relational Mapping (ORM) Experience using tools such as: JavaScript, Angular, React, etc. Experience using tools such as: C#, SQL, NoSQL, Agile Distributed Source

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Contract

Depends on Experience

C# .Net Developer

Hybrid in Los Angeles, California

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Yesterday

Title-Lead Product Engineer Location- Los Angeles, CA Skills Needed C#/.NET, financial services background, cloud and container experience. AKS (Azure Kubernetes Service) Kubernetes - container orchestration experience AI / ML - a plus

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Contract

Depends on Experience

Full Stack Developer( C#/Angular) - Local to CA

Fremont, California

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Yesterday

Top Requirements: 35 years of experience. hands-on experience with .NET/C# and Angular 35 years of professional software engineering experience developing customer-facing web applications. Strong hands-on experience with: C# ASP.NET Angular TypeScript JavaScript REST API development and integration MySQL Experience building and supporting scalable, high-performance applications. Strong understanding of software engineering best practices, including: Object-oriented design Design patterns Clean

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Contract

Depends on Experience

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

Livermore, California

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14d 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

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

Sacramento, California

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10d ago

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

Lead C#.NET Developer - COTS

Remote or Hybrid in Raleigh, North Carolina

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2d ago

ONLY W2ONLY W2ONLY W2 MUST have experience working on COTS products Title: Lead Developer Location: McLean, VA 22102 (Remote) Duration: 6 Months Contract (Potential Extension) Job Description: Terms of Employment W2 Contract, 6 MonthsRemote Opportunity (US EST Time zone work schedule (Candidates in Raleigh NC preferred but not required) Overview The Developer, Specialist performs thorough end-to-end analysis of complex business functionality, provides technical solutions for complex business re

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Contract

Depends on Experience

Senior Software Engineer (C# .NET Azure)

Hybrid in Los Angeles, California

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8d ago

Job Title: Senior Software Engineer Location: West Los Angeles, CA (Hybrid 3 days/week) JOB DESCRIPTION We are seeking a highly skilled and motivated Senior Software Engineer to join our BaaS team, supporting partner onboarding and BaaS platform enhancement initiatives. This role will be instrumental in building and supporting scalable, secure, and high-performance systems that enable embedded financial services across our partner ecosystem. Key Responsibilities Design and develop APIs and micr

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Contract, Third Party

$60 - $80

Software Developer(C#, ERP, AI)

Remote or Valhalla, New York

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Today

Description We are looking for a Software Developer to join our team in Valhalla, New York and contribute to the continued development of a modern enterprise resource planning platform. In this role, you will collaborate with cross-functional partners to build reliable application features, improve integration capabilities, and support clients through well-crafted technical solutions. This opportunity is ideal for someone who enjoys hands-on coding in C# and .NET while also exploring practical w

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Full-time

USD 70,000.00 - 80,000.00 per year

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

CAD Developer - Part Time

Los Angeles, California

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9d 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

Lead Product Engineer (Backend .Net)

Hybrid in Los Angeles, California

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Today

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

Junior Full Stack Engineer .NET/C# & Angular

Fremont, California

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Today

Junior Full Stack Engineer .NET/C# & Angular Location: Bay Area, CA Duration: 612 Months Contract Experience: 35 Years Interview: Onsite Must Have: Strong C# / .NET / ASP.NET experienceStrong Angular / TypeScript experienceSQL Server / Relational DatabasesREST APIsOOP, Design Patterns & Dependency InjectionExperience with enterprise web applicationsStrong debugging and problem-solving skillsNice to Have: Microservices, GraphQL, Kafka/RabbitMQ, Redis, React, Python/Golang, Kubernetes. Important:

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Contract

Depends on Experience

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

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Today

Job ID: 2616245 Location: Remote Work, TX, US Date Posted: 2026-08-28 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

C#.NET Developer with investment banking and Capital Market exp.

Remote

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Today

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 experience Proficiency in C#, .NET framework, and object-oriented programming principles.

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Full-time

Depends on Experience

C# jobs in California, USA