Job service Job service
Grátis até 2027
Entrar Começar grátis
Funcionalidades Como funciona Preços FAQ Trabalhos Guides Blog Android app
Começar grátis

Job service

Trabalhos remotos de React

Trabalhos remotos de React no Upwork, Freelancer e Guru, verificados a cada minuto.

Unlimited grátis até 1 de janeiro de 2027 · subscrições ilimitadas · sem cartão

Correspondências agora

Novos projetos do Upwork, Freelancer.com e Guru.com, atualizados a cada minuto.

Upwork

Technical Product & Engineering Lead — Part-Time / Fractional

-

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...

há 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...

há 4 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...

há 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...

há 14 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...

há 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...

há 1 dia

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...

há 1 dia

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...

há 1 dia

Upwork

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

-

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...

há 1 dia

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...

há 1 dia

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...

há 1 dia

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,...

há 2 dias

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...

há 2 dias

Upwork

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

-

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

há 2 dias

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...

há 2 dias

Esteja entre os primeiros candidatos

A maioria dos freelancers perde propostas porque vê os trabalhos tarde demais. O Job Alerts sincroniza a cada minuto e envia apenas o que corresponde aos seus filtros.

Começar grátis