Find the Best React.js Jobs in San Jose, CA
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Check out a sample of the 15 React.js jobs posted on Upwork
Senior Full-Stack Developer (Python · React · AI System)
Hourly ‐ Posted 9 days agoHours needed
Duration
Experience level
We are building a production SaaS platform called MarketLens, designed for investment teams and analysts who need real-time market inte…
Problem solver on my AI Chat Bot project - React, Next.js, Python…
Hourly ‐ Posted 7 days agoHours needed
Duration
Experience level
Looking for a Senior Full-stack Developer to fix a bug in an AI chatbot application. The chatbot occasionally fails to return responses…
Full Stack Developer Needed to Build an On-Demand Errand Marketpl…
Fixed-price ‐ Posted 27 days agoFixed-price
Experience level
Full Stack Developer Needed to Build an On-Demand Errand Marketplace Platform Project Overview We are building a scalable marketplace…
Digital Dispatching for Towing Companies
Hourly ‐ Posted 18 days agoHours needed
Duration
Experience level
We are seeking an experienced professional to enhance our digital dispatching system for towing companies. The role involves integratin…
Full Stack Developer Needed to Build an On-Demand Errand Marketpl…
Fixed-price ‐ Posted 18 days agoFixed-price
Experience level
Full Stack Developer Needed to Build an On-Demand Errand Marketplace Platform Project Overview We are building a scalable marketplace…
Next.js / Full-Stack Developer needed to scale an AI-Driven Test…
Hourly ‐ Posted 24 days agoHours needed
Duration
Experience level
Job Description: We are looking for a skilled, "under-the-hood" Full-Stack Developer to help build out Lafayette Academy’s online porta…
Frontend Engineer + Figma Designer — Mobile-First Luxury SaaS (Pa…
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
Two-person build. You own frontend + Figma. Backend engineer owns the system. You coordinate daily, test together, fix bugs together. N…
SaaS backend / front end full stack developer
Hourly ‐ Posted 17 days agoHours needed
Duration
Experience level
Summary We are an established ecommerce SaaS platform focused on: * Product Reviews * Seller Ratings * Customer Feedback Analytics * A…
Website for Maps and Reports
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
**Web Dashboard Developer — Map Interface & Report Display** **Project Overview** We need an experienced frontend/full stack developer…
Senior Full-Stack Engineer
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
Part-Time Contract · 100% Remote About Hedlyner: Hedlyner is B2B workflow SaaS for the live music booking industry — the operational…
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