Find the Best React.js Jobs in Newark, DE
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Check out a sample of the 12 React.js jobs posted on Upwork
Full Stack Developer for AI SaaS
Fixed-price ‐ Posted 1 month agoFixed-price
Experience level
Join our team to develop an AI-Powered SaaS Platform. You'll work on both front-end and back-end development, ensuring seamless integra…
Build webapp front end for existing backend, ability to help with…
Fixed-price ‐ Posted 1 month agoFixed-price
Experience level
This project is already underway. Your first responsibility will be understanding the existing architecture and extending it rather tha…
Fix Bug on Next.js Website
Fixed-price ‐ Posted 20 days agoFixed-price
Experience level
I need someone to tackle a bug related to a website built with Next.js and hosted on Vercel. The task involves debugging and possibly f…
AI Agent Developer | RAG & Automation Expert | Full Stack AI Engi…
Fixed-price ‐ Posted 26 days agoFixed-price
Experience level
We are seeking an AI Agent Developer & Automation Expert to enhance our customer support system. The role involves developing AI agents…
Real-Time 3D Talking Avatar in the Browser — Three.js + ARKit Ble…
Fixed-price ‐ Posted 15 days agoFixed-price
Experience level
I need a realistic 3D female avatar that runs live in Chrome inside a React web application, with audio-driven lip-sync and natural idl…
Full stack engineer(s) for exciting fintech startup
Hourly ‐ Posted 27 days agoHours needed
Duration
Experience level
Surmount is a fintech building embedded investment management infrastructure — think "Stripe for investment management." We own an SEC-…
Front End Web Developer - AI Web development
Hourly ‐ Posted 28 days agoHours needed
Duration
Experience level
Summary Front-End UI / UX Developer (Design-Focused) – 2 Projects We’re looking for a front-end UI/UX developer (or design-focused fro…
Senior Next.js Developer (AI-Assisted) — Build a Finished Design…
Hourly ‐ Posted 28 days agoHours needed
Duration
Experience level
We're a physician-led digital psychiatry platform. Our website design is already 100% done: a fully locked design system plus ~53 finis…
Full Stack Developer Needed to Build a SaaS Web Application MVP
Hourly ‐ Posted 7 days agoHours needed
Duration
Experience level
We’re looking for an experienced Full Stack Developer to help us build the first production-ready version of a SaaS web application. W…
Full-Stack Developer for AI-Powered Provider Onboarding App
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are building a secure internal web application to automate provider onboarding, document organization, credential tracking, email fo…
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