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I will fix or build mern stack react node web app
Shailesh
Level 2
About this gig
Is your React or Node.js app broken, slow, or incomplete? I will fix bugs, improve performance, or build a clean and scalable MERN stack web application.
I am a Full Stack Developer specializing in React.js, Node.js, Express.js, MongoDB, APIs, authentication, dashboards, SaaS MVPs, and custom web apps. Whether you need a quick fix or a full project, I deliver secure, responsive, and high-quality solutions.
What I offer:
- Fix React.js bugs, UI issues, and component errors
- Fix Node.js, Express, API, and backend problems
- Build custom MERN stack web applications
- Add new features or upgrade existing apps
- Create dashboards, admin panels, and user flows
- Integrate APIs, Stripe, PayPal, and third-party services
- Improve speed, responsiveness, and performance
Tech Stack:
Frontend: React.js, Redux, Tailwind CSS
Backend: Node.js, Express.js
Database: MongoDB, Firebase
Integrations: Stripe, PayPal, APIs
Please message me before ordering so I can review your requirements and suggest the best solution.
Get to know Shailesh
Shailesh
Experienced Mobile App and Website Developer
Level 2
- FromIndia
- Member sinceNov 2016
- Avg. response time1 hour
- Last delivery3 weeks
Languages
Hindi, English
I help SaaS founders and agencies build, fix, and scale web and mobile applications with speed, clarity, and reliability. With 9+ years of full-stack experience in Laravel, React, Vue, Node.js, Android, and iOS, I deliver clean, scalable solutions for MVPs, bug fixes, AI integrations, and e-commerce systems. My focus is fast execution, clear communication, and long-term value. Think of me as your execution partner, not just a developer.
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Other Software Development Services I Offer
FAQ
Can you fix bugs in my existing React or Node.js app?
Yes. I can fix React.js bugs, Node.js errors, Express API issues, MongoDB problems, frontend UI bugs, backend crashes, and integration errors. Please send the issue details before ordering.
Can you build a complete MERN stack web application from scratch?
Yes. I can build a full stack MERN web app using React.js, Node.js, Express.js, and MongoDB. This can include frontend pages, backend APIs, database structure, authentication, dashboards, and integrations.
Do you work on SaaS MVPs and startup web applications?
Yes. This gig is suitable for SaaS MVPs, admin dashboards, business portals, booking systems, CRM-style apps, custom tools, and startup web applications.
Can you integrate payment gateways or third-party APIs?
Yes. I can integrate Stripe, PayPal, OAuth login, email APIs, maps, CRM APIs, automation tools, and other third-party services into your React or Node.js application.
Why should I message you before placing an order?
Every web app has different requirements, code quality, bugs, and feature complexity. Messaging first helps me check the scope, avoid confusion, suggest the right package, and provide an accurate delivery timeline.
