Available
I am a Senior Full Stack Engineer with ~7 years of experience building scalable SaaS platforms in education and healthcare. Strong in React, Next.js, TypeScript, Node.js,...
See MorePost a project and get matched with React Js experts in Sao Paulo, Brazil. Matched in 24 hours. No agency fees.
Trusted by 10,000+ companies of all sizes
Available now
Every Web Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.
I am a Senior Full Stack Engineer with ~7 years of experience building scalable SaaS platforms in education and healthcare. Strong in React, Next.js, TypeScript, Node.js,...
See MoreHi, I’m Alan Junio Araujo de Souza, a Computer Science student with hands-on experience in Full Stack Web development, API design, and software engineering best practices...
See MoreShopify Developer
See More
I'm Luiz Felipe Arcanjo Rangel, a software engineer focused on building AI-powered platforms and scalable systems. I enjoy delivering clean, maintainable code and collabo...
See More
Hi, my name is Marcos. I'm a mobile developer with more than 5 years of experience, focused on React Native. I started my career working with web development, but in the...
See More
Hi, I’m Lucas Lopes. I’m a creative and detail-oriented UI/UX designer and front-end developer who loves turning complex ideas into intuitive, engaging digital experience...
See More
I am a Senior Front-End Engineer with 7+ years of experience in analysis, design, development and testing. I have strong experience in building industrial web applicatio...
See More
Hi, I'm Fernando Guerriero Cardoso da Silva, a 27-year-old technologist with a passion for continuous learning and growth in the technology field. I have completed studie...
See More
I'm a software developer with a strong entrepreneurial background and over 15 years of hands-on experience. I’m naturally curious and thrive on challenges that connect te...
See More
2x founder who codes and seasoned tech executive who built and scale companies to +40 people and $20M in revenue. I love building software products that solve real-wor...
See More
Senior Software Engineer with 10+ years of experience building scalable web and mobile platforms, specializing in Laravel and React. Strong full-stack background across T...
See More
Hi, I’m Paulo Ziembick, a Senior Full-stack Engineer based in São Paulo. I help build scalable web applications using React, TypeScript, Node.js, and Python, with a focus...
See MoreWe have over 14,500 Web Developers who've worked in many different industries and cover various styles and skillsets.
Start your searchProjects that brands and startups post most often.
End-to-end build of a v1 product, front-end, back-end, and deployment.
Build your MVPTheme dev, custom checkout, app integrations, and performance optimisation.
Build your storefrontBuild and connect third-party APIs, payment, email, analytics, CRM.
Connect your APIsAdd an AI/LLM feature to an existing product.
Integrate AIWe've got more than Web Developers in Sao Paulo, Brazil
or widen your search to React Js Web Developers in Brazil
Reviews
“The goal of this project was to create a modern, responsive website that reflected the client's brand while improving user experience and lead generation. The final website was optimized for speed, mobile responsiveness, and easy content management through WordPress and Elementor.”
Dominic @ Lone Sparrow LTD
Jul 27, 2026
“We had a great experience working with Nitin Jha. He is a skilled Flutter Developer who quickly understood our requirements and delivered a high-quality, user-friendly mobile application on time. His professionalism, technical expertise, and responsiveness throughout the project were outstanding. We highly recommend Nitin...”
sapna @ jemini
Jul 26, 2026
“We brought Kobestarr Digital in to run our Google Ads after spending money elsewhere without much to show for it. Kobi set the whole thing up properly, built real conversion tracking, and kept the spend tight and accountable. What I value most is the honesty, he tells me plainly what the numbers say and what to do next...”
Ricky @ Sheesh Aesthetics
Jul 24, 2026
“I'm very impressed with the final result. The store feels more premium , loads better, and the user experience has improved significantly. Great communication throughout the project”
Gladys @ GLORIOUS COMPANY
Jul 24, 2026
“Mark Scicluna is a great developer. I confidently endorse Mark’s capabilities and character.”
Theodore @ Rhizomenet Pty. Ltd.
Jul 24, 2026
“Excellent Shopify SEO work. My website is well optimized, loads faster, and ranks better. Professional service, great communication, and fast delivery. Highly recommended.”
donald @ donalds
Jul 23, 2026
Clients Rate Twine React Js Web Developers 4.98 / 5.0
on average across 3647 reviews
3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.
Within 24 hours, you'll see a shortlist of vetted Web Developers matched to your project.
Flexible payments on your terms, bill experts directly or use the Twine vault for added security.
Transparent rates, no hidden markup, and a payment path for every need.
Agencies bury a 20–40% markup inside the retainer, you never see it. On Twine, you set the price and you see the platform fee as a separate, explicit line. No surprises at checkout.
Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.
Funds are held in escrow and only released when you approve the deliverables. If the work isn't right, your money doesn't move. 10% commission on payments up to $10,000, just 5% on anything above.
Pick the role, the experience level and how long you need. We’ll show you what similar projects have cost on Twine. It’s a guide, not a quote.
Estimates only. Actual budget is set by you and agreed with your expert before any work begins.
ESTIMATED RANGE
R$10,500 – R$28,000
Full possible range for a mid-level Web Developer over 2–4 weeks
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.
