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React Net Core Jobs in California (NOW HIRING)

Matrix Precise, Inc.

Sr. Net Architect

Berkeley, CA · On-site

Sr. NET Architect (.NET 8 / React / Angular / SQL Server) Position Overview We are seeking a Senior ... NET 8 / ASP.NET Core, while supporting frontend applications developed in React and existing ...

AgreeYa Solutions

.Net Developer

Fremont, CA · On-site

$52.75 - $69.75/hr

... the core values of the team, which include engineering excellence, curiosity, a bias for action ... using C#, NET, Angular/React and TypeScript, + Solid understanding of web development best ...

ACI Infotech

.Net Developer

Orange, CA · On-site

$51.50 - $68/hr

... React, Vue, etc.), RESTful Web Services, Microsoft Visual Studio 2019+, Azure DevOps or other ... of experience with NET | MVC- Razor | .NET(Core) preferred. * Experience with web content ...

Merican

.NET Developer

El Segundo, CA · On-site

$51.50 - $68/hr

Top Skills * .NET Core * Microservices * REST API Development * Azure Cloud Native Application Development * Azure App Services & Azure Functions * Azure DevOps * Docker * React or Angular * SQL ...

Merican Inc

.NET Developer

El Segundo, CA · On-site

$51.50 - $68/hr

Top Skills * .NET Core * Microservices * REST API Development * Azure Cloud Native Application Development * Azure App Services & Azure Functions * Azure DevOps * Docker * React or Angular * SQL ...

ABB

Sr . R&D Engineer

Novato, CA · On-site

$122K - $168K/yr

Our core values: care, courage, curiosity, and collaboration - combined with a focus on diversity ... Net. Angular, react,Node.js (JavaScript), Python (Django/Flask), Java (Spring Boot). * Proficient ...

Troy Davis Real Estate

CA · On-site

$75K - $200K/yr

With our tools, systems, and leads, your net income will accelerate! You can also extra money with ... Our Core Values 1. We Are Driven: We have a burning desire to be the BEST in everything we do. 2. ...

Troy Davis Real Estate

CA · On-site

$75K - $200K/yr

With our tools, systems, and leads, your net income will accelerate! You can also extra money with ... Our Core Values 1. We Are Driven: We have a burning desire to be the BEST in everything we do. 2. ...

Troy Davis Real Estate

CA · On-site

$75K - $200K/yr

With our tools, systems, and leads, your net income will accelerate! You can also extra money with ... Our Core Values 1. We Are Driven: We have a burning desire to be the BEST in everything we do. 2. ...

Troy Davis Real Estate

CA · On-site

$75K - $200K/yr

With our tools, systems, and leads, your net income will accelerate! You can also extra money with ... Our Core Values 1. We Are Driven: We have a burning desire to be the BEST in everything we do. 2. ...

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All JobsReact Net Core JobsReact Net Core Jobs in California

React Net Core information

What is the difference between React Net Core vs React Developer?

AspectReact Net CoreReact Developer
Primary FocusFull-stack development using React for frontend and .NET Core for backendFrontend development primarily using React
Required SkillsReact, .NET Core, C#, SQL, REST APIsReact, JavaScript, HTML, CSS, Redux
Work EnvironmentOften in enterprise or full-stack teams, working on both frontend and backendMostly frontend teams, UI/UX focus
Certifications.NET certifications, React certificationsReact certifications, JavaScript certifications

React Net Core developers work on full-stack applications combining React for the frontend and .NET Core for backend services, requiring knowledge of both technologies. React Developers typically focus on building user interfaces with React alone, emphasizing frontend skills. The choice depends on whether the role involves full-stack development or specialized frontend work.

What are popular job titles related to React Net Core jobs in California? For React Net Core jobs in California, the most frequently searched job titles are:
What job categories do people searching React Net Core jobs in California look for? The top searched job categories for React Net Core jobs in California are:
What cities in California are hiring for React Net Core jobs? Cities in California with the most React Net Core job openings:
React Net Core jobs near you
Infographic showing various React Net Core job openings in California as of July 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.
Sr. Net Architect

Sr. Net Architect

Matrix Precise, Inc.

Berkeley, CA • On-site

Full-time

Posted 24 days ago

Job description

Sr. NET Architect (.NET 8 / React / Angular / SQL Server)
Position Overview
We are seeking a Senior .NET Engineer with strong experience in building scalable, secure enterprise applications. The ideal candidate will have experience working with clinical systems, healthcare platforms, or Laboratory Information Systems (LIS), and a deep understanding of integrating with existing systems in regulated environments.
This role involves designing, developing, and enhancing mission-critical applications that support operational efficiency and data-driven workflows across healthcare or laboratory environments.
This role requires strong backend engineering expertise, advanced SQL Server knowledge, and the ability to work across modern and legacy frontend frameworks.
The primary focus of this position is maintaining and modernizing applications built on .NET 8 / ASP.NET Core, while supporting frontend applications developed in React and existing applications built using Angular. This role may also support cross-functional initiatives such as analytics platform transitions, application support, and interface development.
Key Responsibilities
  • Collaborate with Project Managers and business stakeholders to analyze requirements and deliver scalable technical solutions.
  • Maintain and enhance enterprise applications built on ASP.NET Core (.NET 8).
  • Support and maintain existing frontend applications developed in Angular, while contributing to new development in React.
  • Design, develop, and optimize backend APIs and services.
  • Lead complex SQL Server development including database design, stored procedures, query optimization, indexing strategies, and performance tuning.
  • Support and extend applications integrated with Sitecore CMS, including content structures and workflows.
  • Participate in Tableau to Power BI conversion initiatives (project-level involvement preferred; hands-on experience is a plus).
  • Provide Level 1 and Level 2 production support for enterprise applications as needed.
  • Contribute to interface development and integration efforts.
  • Participate in the full Software Development Life Cycle (SDLC): analysis, design, development, testing, deployment, and production support.
  • Implement and maintain CI/CD pipelines for automated building, testing, and deployment.
  • Document architecture, workflows, and technical solutions.
  • Proactively identify performance bottlenecks and modernization opportunities.
  • Manage multiple concurrent projects and deadlines.
Required Technical Skills
  • Strong experience with .NET 6/7/8 and ASP.NET Core
  • Proficiency in C# and RESTful API development
  • Advanced expertise in Microsoft SQL Server
    • T-SQL
    • Stored procedures
    • Query optimization
    • Indexing strategies
    • Performance tuning
    • Database schema design
  • Frontend experience with React
  • Working knowledge of Angular (supporting and maintaining existing applications)
  • Experience with version control systems (Git)
  • Experience implementing and maintaining CI/CD build and deployment pipelines
  • Strong troubleshooting and debugging skills
Preferred / Plus Skills
  • Prior Clinical Lab experience
  • Experience working on Tableau to Power BI conversion projects
  • Agentic AI
  • Familiarity with Python
  • Experience working with a Content Management System (Sitecore preferred)
Professional Attributes
  • Strong analytical and problem-solving skills
  • Clear communicator with technical and non-technical stakeholders
  • Ability to manage multiple priorities effectively
  • Detail-oriented with strong documentation capabilities
  • Self-driven and adaptable in evolving technical environments
Education & Experience
  • Bachelor’s degree in computer science, Engineering, or related field preferred
  • 7+ years of professional experience in enterprise software development
  • 5+ years of backend development experience with strong SQL Server expertise

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