Find the Best React.js Jobs in Katy, TX
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Check out a sample of the 10 React.js jobs posted on Upwork
Senior .NET Engineers with over 10 years of experience
Hourly ‐ Posted 14 days agoHours needed
Duration
Experience level
Job Overview: We are a leading software staffing firm seeking an elite, Senior .NET Developer to help our client scale their core enter…
Senior AI Developer for Multi-Agent AI Assistant (LangChain, Pyth…
Fixed-price ‐ Posted 7 days agoFixed-price
Experience level
We're building an AI-powered product with a Multi-Agent AI Assistant at its core. The assistant is designed to break down complex tasks…
Senior React/Next.js Frontend Engineer (UI/UX + Drag & Drop Exper…
Hourly ‐ Posted 14 days agoHours needed
Duration
Experience level
We’re building Celentie, a modern wedding planning platform, and we’re looking for an exceptional frontend/full-stack engineer to compl…
Senior Full-Stack JavaScript Engineer (Remote - LATAM or Europe)
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
Senior Full-Stack JavaScript Engineer (Remote - LATAM or Europe) Company: POS+ (posplus.org) Location: Fully Remote (Targeting LATAM o…
Full-Stack AI & Data Engineer - Long term contract
Hourly ‐ Renewed 29 days agoHours needed
Duration
Experience level
Summary Contract | Remote | 7 months | Start: July 6, 2026 | Mon-Fri, 8hours/day = 40 hours/week | Overlap 4 to 6 hours with US Central…
AI Customer Support Agent with RAG Knowledge Base & Admin Dashboa…
Fixed-price ‐ Posted 10 days agoFixed-price
Experience level
Project Description I am looking for a Full Stack AI Engineer to build an AI-powered Customer Support Assistant that can answer custome…
Azure and AWS Cloud Integration Specialist
Hourly ‐ Posted 17 days agoHours needed
Duration
Experience level
This is an enterprise-level Microsoft .NET project. We will be integrating two different cloud platforms (Azure and AWS). We are a soft…
Full-Stack Developer (React/TypeScript + Supabase) — Live Product…
Hourly ‐ Posted 26 days agoHours needed
Duration
Experience level
JCD Digital builds and operates custom software for businesses. You'd start on a live production CRM/operations app — React/TypeScript…
Full Stack Developer Needed (Next.js, NestJS & Supabase) for AI S…
Hourly ‐ Posted 15 days agoHours needed
Duration
Experience level
We're building multiple AI-powered SaaS products and MVPs using modern technologies. We're looking for an experienced Full Stack Develo…
Lead Full Stack AI Engineer for Voice First SaaS MVP
Fixed-price ‐ Posted 15 days agoFixed-price
Experience level
PROJECT OVERVIEW We are looking for an exceptional Full Stack AI Engineer to lead the architecture and development of a B2B SaaS Minimu…
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