Browse categories
Explore
Fiverr Pro
English
$
USD
I will do mern nextjs bug fixes, apis, integrations, features, optimization
Atul P
About this gig
Already have a web application but need some improvements or fixes? I can help you enhance, optimize, and extend your existing MERN stack, Next.js, or JavaScript-based web application.
Whether it's a bug that's been bothering you, a new feature you want added, or an API that needs integrating I'll jump into your existing codebase and get it done cleanly.
What I can help you with:
- Bug fixing and troubleshooting across frontend and backend
- New feature development and implementation
- REST API development and third-party API integrations
- CRM integrations (HubSpot) and lead capture setup
- Headless CMS integration (Sanity.io) into existing projects
- Payment gateway integration (Razorpay, Stripe, PayPal)
- Performance and code optimization
- Responsive design fixes across all screen sizes
- Application deployment on Vercel, Render, or similar platforms
Technologies I work with:
React.js, Next.js, Node.js, Express.js, MongoDB, PostgreSQL, Redux Toolkit, React Query, TailwindCSS, Material UI, Sanity.io, JavaScript (ES6+), HTML5, CSS3
Every change I make is clean, well-commented, and delivered with a clear explanation of what was done and why.
Message me your issue or requirement before ordering.
Get to know Atul P
Atul P
Web Development and Shopify E commerce Solutions
- FromIndia
- Member sinceOct 2022
Languages
Gujarati, English, Hindi
Hello, I'm Atul B. Prajapati — a Full Stack Web Solutions Provider specializing in MERN, Next.js & Shopify. I help businesses build, improve, and scale:
• Full-stack web applications
• Business, portfolio & landing pages
• CMS-powered websites
• E-commerce & Shopify stores
• Lead funnels & CRM integrations
• APIs, third-party integrations & payment gateways
• Bug fixing & performance optimization
With two years of professional development experience, I focus on delivering clean, reliable, business-focused web solutions from idea to deployment.
My Portfolio
FAQ
Can you work on a project built by someone else?
Yes. I'm comfortable jumping into existing codebases. Share your code via GitHub or as a zip file and I'll review it before we begin.
How do I share my project with you?
You can share it via a GitHub repository link or as a zip file through Fiverr. For sensitive projects, I treat all code and business information with complete confidentiality.
How will you fix my bug if you don't know my full codebase?
I'll start by reviewing the relevant parts of your code, reproduce the issue on my end, identify the root cause, and fix it properly — not just patch it on the surface.
Will my existing code and features be affected by your changes?
I'm careful to make targeted changes only where needed. I won't restructure or rewrite parts of your app that aren't related to the task — your existing functionality stays intact.
Are the prices fixed or do they depend on the task?
Pricing depends on the complexity of the task. Message me with your requirements and I'll give you an accurate custom quote.
Do you only fix bugs, or can you add new features to my existing app too?
Both. I can fix bugs, integrate new APIs or CRMs, add features like payments or lead capture, connect a CMS, or optimize performance — whatever your existing app needs to work better or do more.
