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Trabajos remotos de React

Trabajos remotos de React en Upwork, Freelancer y Guru, revisados cada minuto.

Unlimited gratis hasta el 1 de enero de 2027 · suscripciones ilimitadas · sin tarjeta

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Ofertas nuevas de Upwork, Freelancer.com y Guru.com, actualizadas cada minuto.

Upwork

Technical Product & Engineering Lead — Part-Time / Fractional

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Quant Fusion is an early-stage B2B SaaS company building an AI-enabled order-to-cash orchestration platform for manufacturers and distributors. We are preparing to onboard our first production custome...

hace 4 horas

Upwork

Senior AI/ML Engineer — RAG, LLMs, AI Agents & Python

$15.0 - $30.0

We’re seeking a seasoned Senior AI/ML Engineer to help build robust, production-grade AI applications, intelligent automation, LLM-driven products, and enterprise AI platforms. The right candidate bri...

hace 5 horas

Upwork

Optimize a Decision-Tree AI Agent to Run on a Local Open-Source LLM (Qwen)

$30.0 - $50.0

Freelance Mission: Optimize a Decision-Tree AI Agent to Run on a Local Open-Source LLM (Qwen) Context We built an AI assistant POC powered by a decision tree that encodes a complex regulatory framewo...

hace 7 horas

Upwork

Junior Software Engineer (Native iOS, Android and Web)

$6.0 - $10.0

Location: Remote (must be online for most of 9 am to 5 pm Eastern time) Employment Type: Part-time or Full-time Contract (depending on experience) Hours: 20 to 40 hours per week We are a fast-growing...

hace 15 horas

Upwork

Senior AI Agent Engineer – LLMs, Python, Full-Stack & Healthcare Automation

$3.0 - $10.0

Project Overview We are looking for an experienced AI Agent Engineer to help build an AI-powered operating system for independent medical practices. The platform aims to automate and streamline patie...

hace 23 horas

Upwork

Frontend / UI Engineer

$50.0 - $90.0

We are seeking a skilled Frontend / UI Engineer with strong experience in React.js, TypeScript, and UI/UX design to support frontend development, design-to-code implementation, debugging, and code rev...

hace 1 día

Freelancer

Senior Developer & Client Relations Partner | Remote | Long-Term

$15 - $25

I'm looking for a reliable senior developer or technical partner interested in building a long-term business relationship. Responsibilities: - Maintain your own active, verified Upwork account. - Par...

hace 1 día

Upwork

Senior AI/ML Engineer – RAG, LLMs, AI Agents & Python

$15.0 - $30.0

We are looking for an experienced Senior AI/ML Engineer to join our development team and work on building production-ready AI applications, intelligent automation systems, LLM-powered products, and en...

hace 1 día

Upwork

Senior Full Stack Developer (Node.js, React.js, AWS, MongoDB)

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Experience: 5–10+ Years Employment Type: Full-Time (40 Hours/Week) Position: Long-Term Remote Opportunity Job Overview: We are seeking a highly experienced and results-driven Senior Full Stack Devel...

hace 1 día

Upwork

Full Stack Laravel/PHP Developer - API Integration

$15.0 - $30.0

TO APPLY: 1- Record a 1-minute video using Loom.com introducing yourself and your relevant experience. 2- Two or three examples of API integrations you’ve built. LeadCenter.AI is a Houston-based Saa...

hace 1 día

Upwork

Application Development AI Agentic

$16.0 - $32.0

# Senior Full-Stack AI Security Engineer / Technical Lead — AI Agent Cybersecurity Platform **Project:** The Grid by VetoGrid **Project Type:** Long-term contract with potential for an ongoing tech...

hace 1 día

Upwork

Senior AI Full-Stack Developer | Node.js, Next.js, AWS, AI Agents & RAG

$20.0 - $30.0

We're building an **AI-first learning platform** that helps developers learn programming, build real-world applications, and improve their coding skills through interactive lessons, hands-on projects,...

hace 2 días

Upwork

Hands-on Engineering Lead: Store Migration to Next.js + AWS Serverless (TypeScript)

$500.0

We're an online retailer selling home and kitchen products across Germany, Austria and Switzerland. Our store runs on Shopify Plus, with about 25,000 products and 8,000 orders a month. We've outgrown...

hace 2 días

Upwork

Senior Full-Stack Developer / Development Team – E-commerce SaaS Platform

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# Senior Full-Stack Developer / Development Team – E-commerce SaaS Platform **Project Type:** Custom Web Application / SaaS Development **Engagement:** Fixed-price, milestone-based **Location:**...

hace 2 días

Upwork

Full-Stack Developer: Modern Video Marketplace MVP (React, Cloudflare, Supabase)

$900.0

1. Job Overview We are seeking an experienced Full-Stack Developer to build the Phase 1 MVP for InternMe, a two-sided video reel marketplace connecting student/junior talent with early-stage founders...

hace 2 días

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