React.js jobs in California

Senior Full-Stack Engineer - React/React Native + Java + AI/Automation

Irvine, California

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Today

Exciting opportunity for a Senior Full-Stack Engineer to help build and enhance digital experiences for investors, advisors, and internal business teams in the wealth and investment management space. This hands-on role combines modern front-end and mobile development with Java back-end engineering, cloud services, and AI-assisted development tools to support meaningful digital transformation. Responsibilities Design, build, and support scalable full-stack applications using React, React Native

Full-time

USD 39.00 - 75.00 per hour

Senior Software Engineer / React / Python / Physical AI

Sunnyvale, California

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Today

A leading provider of physical AI and autonomy software solutions is hiring for a full-time, senior software engineer to do product development on their core AI infrastructure platform. The engineering environment includes modern full-stack web development using: TypeScript, Python, Go, and React based interfaces. This role offers the chance to join high powered and versatile product team operating like a startup within a larger organization. You will be shaping highly scalable user experiences

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Full-time

$190000 - $220000

Staff / Lead Engineer / .Net / React / Microservices / AWS / Distributed Systems

Newport Beach, California

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Today

Our client is a Southern California product engineering company building software for media organizations. Its platform helps customers manage, distribute, and monetize live and on-demand content across web, mobile, and connected TV. The work spans cloud services, a content management system, and applications that run on real devices.They are urgently seeking a Full-stack Lead / Staff .Net Software Engineer. This is a hands-on individual contributor role & Project lead. You will spend approximat

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Full-time

USD 200,000.00 - 230,000.00 per year

Senior Frontend Developer React (AEM Platform Experience)

Remote

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Today

Experience: 610 years in frontend development, including 45 years of frontend development on the AEM platform Location: Remote Employment Type: Contract Role SummaryWe are looking for a frontend developer whose core strength is React and modern UI engineering, and who has applied that skill on the Adobe Experience Manager (AEM) platform. This is not an AEM backend or full-stack AEM role. The candidate's career, resume, and day-to-day work should center on building user interfaces; AEM is the pla

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Third Party, Contract

Depends on Experience

Full Stack Engineer (Python / React)_ W2

Palo Alto, California

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Today

Job Title: Full Stack Engineer (Python / React) Location: Palo Alto, CA (Hybrid) Job Description: Brillio is looking for an experienced Full Stack Engineer to develop production-grade web applications and REST APIs. The candidate should have strong Python backend development experience, along with JavaScript and React.js frontend skills. Must be capable of owning features end to end, from database design to backend services and UI development. Must-Have Skills: Strong Python development experien

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Contract

Up to 50

React Developer

Los Angeles, California

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7d ago

Hi Good Morinning, Job Title: React Developer Location: Los Angeles, CA _ in-person (F2F) interview required. Duration: Long-Term Contract Note: We are look for strong candidates who are local to Los Angeles, CA (preferably Irvine, CA, or nearby areas) and are available to attend an in-person (F2F) interview. React Developer: 5+ years of experience building SPAs with React.js, TypeScript, and modern JavaScript Strong knowledge of React hooks, custom hooks, Context API, and React Router Solid

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Contract

Senior Solution Architect C#/.NET, React, Microservices & Cloud Modernization (ONLY W2)

Sacramento, California

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Today

Senior Solution Architect C#/.NET, React, Microservices & Cloud ModernizationLocation: Sacramento, CA (1st Preference) / Walnut Creek, CA / San Francisco, CA Employment Type: Contract W2 Duration: 6+ Months Experience Required: Not specified in the JD. Job OverviewWe are seeking an experienced Solution Architect with strong expertise in C#, .NET, React, Microservices, Cloud Technologies, Security, and DevOps. The candidate will be responsible for defining solution architecture, leading hybrid

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Contract

Depends on Experience

React Developer - 10+ Years - 3 days onsite in San Ramon or SFO

Hybrid in San Ramon, California

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2d ago

Role: React Developer Location- 3 days onsite in San Ramon or SFO Skills MUST HAVE: 1. React 2. Azure 3. AWS 4. Redux 5. Material UI 6. Context API Frontend Development: 4-5 years of experience in Frontend Development. Strong coding skills with React.js. Proficient in JavaScript (ES6+), HTML5, CSS3, and responsive UI/UX design. Hands-on experience with Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom (In depth to handle parent to child routing), Dom manipulation. Exper

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Third Party, Contract

Depends on Experience

React Developer (Financial, Material UI, Azure) - 10+ yrs - SFO, CA Hybrid

Hybrid in San Francisco, California

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Today

Role: React EngineerExp: 10+ yrsLocation: San Ramon, CA/SFO (3x days Onsite)Note: Financial Client experience MustMust Have:Frontend Development: 4-5 years of experienceExperience in Frontend Development.Strong coding skills with React.jsProficient in JavaScript (ES6+), HTML5, CSS3, and responsive UI/UX design.Hands-on experience with Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom (In depth to handle parent to child routing), Dom manipulation .Expertise in state mana

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Contract, Third Party

Depends on Experience

React.js Developer | LA, CA | Contract

Hybrid in Los Angeles, California

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2d ago

We do have opening for,Role : React.js DeveloperLocation : LA, CADuration : Long-term ContractJob Description:Looking for a React.js Developer with experience in Python and AWS to develop, maintain, and enhance web applications.Required Skills:Strong experience in React.js, JavaScript, HTML, and CSS.Hands-on experience with Python development.Experience with AWS services such as Lambda, EC2, S3, and API Gateway.Knowledge of REST APIs and backend integration.Experience in application development,

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Contract, Third Party

Depends on Experience

React JS Developer

Sunnyvale, California

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6d ago

Role: React JS Developer - In Person Interview Location - Sunnyvale, California Exp: 12+ Years Job Summary Seeking a Specialist with 5 to 7 years of experience in ReactJS to develop and enhance web applications using HTML5 and React frameworks Job Description Design develop and maintain responsive web applications using HTMLHTML5. Utilize ReactJS to build dynamic and interactive user interfaces. Implement UI components with a focus on performance and usability. Apply CSS3 Bootstrap and other sty

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Contract

60 - 65

Fullstack Production Support (L1 / .NET / Dynatrace / Playwright / React) - 10 Years

Hybrid in San Ramon, California

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6d ago

Role: Fullstack Production Support Location: San Ramon/San Francisco - Location 3 days onsite in San Ramon or SFO JD: Local Full-Stack Developer for L1 production support on the EWS 2.0 / Prism project. Will serve as first line of defense for platform health, incident triage, and rapid troubleshooting. Key Responsibilities Incident Triage & Resolution: Investigate and resolve L1 support tickets across .NET backends and React frontends. Application Monitoring: Use Dynatrace to monitor uptime,

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Contract, Third Party

Depends on Experience

Fullstack Production Support (.Net, React, Dynatrace, Playwright) - 10+ yrs - SFO/San Ramon

Hybrid in San Francisco, California

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Today

Role: Fullstack Production Support Exp: 10+ yrs Location: SFO or San Ramon, CA (Hybrid) Scope: Local Full-Stack Developer for L1 production support on the EWS 2.0 / Prism project. Will serve as first line of defense for platform health, incident triage, and rapid troubleshooting. Key Responsibilities: Incident Triage & Resolution: Investigate and resolve L1 support tickets across .NET backends and React frontends.Application Monitoring: Use Dynatrace to monitor uptime, track performance metrics,

Easy Apply

Third Party, Contract

Depends on Experience

React Developer

Hybrid in San Leandro, California

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30+d ago

Req ID: 392558 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a React Developer to join our team in San Leandro, California (US-CA), United States (US). Job Description: In this role, you will: May require to works on multiple applications. Provides informal mentoring to less experienced colleagues. Develops innovati

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Contract, Third Party

$68.75

.Net Solution Architect

Hybrid in San Francisco, California

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Today

Title: .Net Solution ArchitectLocation: Sacramento, CA (1st Preference)/Walnut Creek, CA/ San Francisco, CA (Hybrid)Duration: 6+ MonthsPosition Overview:Seeking a Solution Architect with strong expertise in C#, .NET, React, Cloud Technologies, Microservices, Security, and DevOps to architect, design, and lead delivery of enterprise-grade applications across on-premises, hybrid, and cloud environments. The architect will define technical direction, apply proven architecture and design patterns, l

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Contract

Depends on Experience

Web Developer (JavaScript / React)

Hybrid in Menlo Park, California

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6d ago

Job Summary: We are looking for a talented Web Developer to join our engineering team on a contract-to-hire basis. You will help build the front end of a new product catalog and e-commerce system. You will write clean, performant, accessible code in vanilla JavaScript, HTML, and CSS. This is a chance to shape a customer-facing experience from the ground up, with the opportunity to be with the team long team and convert to a full-time role. Responsibilities: Build and maintain the front end of a

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Contract

53 - 58

Sr Frontend Application Developer (React, Angular, Gen AI, Agentic AI)

Newport Beach, California

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22d ago

Job Title: Sr Frontend Application Developer (React, Angular, Gen AI, Agentic AI) Location: Newport Beach, CA (Onsite Role all 5 days) Duration: 12 months We are seeking a Senior Frontend Application Developer with expertise in React, Angular, JavaScript/TypeScript, and REST API integration to build modern, scalable web applications. The ideal candidate is passionate about creating exceptional user experiences and leveraging AI-powered development tools to accelerate delivery and improve qualit

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Contract, Third Party

Depends on Experience

Full-stack Developer/Engineer

California Hot Springs, California

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2d ago

Hi, Position: Full-stack Developer/Engineer Location: Virginia, (Remote) Duration: Contract to Hire Job Description: We're building and extending customer- and internal-facing applications on top of BrightQuery's data and AI platform - portals, APIs, and auth/gateway layers that sit in front of search, inference, and data products. The work spans UI through API to data access, with real production constraints around security, multi-tenant access, and reliability. You will own features end-to-e

Contract

Depends on Experience

Senior Fullstack Engineer // Typescript/Node.js/React // REMOTE PST

Remote

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Today

This profitable, PE-backed logistics company is hiring a full-time Senior Full-Stack Engineer in Southern California (West Coast candidates will be considered). You will own the manufacturing side of their in-house operating platform, built with TypeScript, Node.js, NestJS, and React on Azure. This is a true peer seat on a two-person senior engineering team, and you will own a full product surface, frontend to backend. The platform supports over $100M in annual revenue, and your area is mid-roll

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Full-time

$160000 - $180000

Sr front End

San Ramon, California

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3d ago

Frontend Senior Developer -Next.js & React, Node JS About the Role We are seeking a seasonedArchitect with hands-onexpertisein Next.js and React to lead the design and delivery of high-performance, scalable web applications. This is a hands-on technical role for someone who combines strong front-end engineering fundamentals with the ability todevelopsolutions on headless platforms and optimise digital experiences f The developer will work closely with design, product, and content teams to buil

Easy Apply

Contract

80+

React.js jobs in California, USA