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Fiverr Pro
English
$
USD
I will fix react js node js API backend and database issues
Shahal K
Level 1
5.0
5.0
About this gig
Struggling with bugs or need a React & Node.js (MERN) application built or fixed?
I specialize in building, debugging, and optimizing full-stack web applications using React, Node.js, Express, and MongoDB.
With 4+ years of experience as a Full Stack Developer, Ive worked with startups and businesses to build scalable applications, fix complex production issues, and improve performance across frontend and backend systems.
What I Can Do
I handle complete MERN stack development and debugging, including:
- React.js / Next.js UI bugs and issues
- Node.js / Express backend development & fixes
- MongoDB database issues & optimization
- REST API development & integration
- Authentication (JWT, sessions, OAuth)
- Full-stack debugging (frontend + backend flow)
- Performance optimization & code improvements
- Deployment issues (Vercel, Netlify, AWS, etc.)
- Bug fixing, crashes & broken features
- Full MERN application development from scratch
My Approach
I dont just fix symptoms I analyze your entire stack to find the real issue, whether its frontend state, backend logic, API flow, or database structure.
Lets fix, improve, or build your MERN application and get it running smoothly.
Get to know Shahal K
Shahal K
Full Stack Developer React Node JS and AI Solutions
Level 1
- FromIndia
- Member sinceJun 2021
- Avg. response time1 hour
- Last delivery1 month
Languages
English
Many businesses have great ideas but need the right technical expertise to build, fix, and scale their applications. I'm Shahal, a Full Stack Developer and AI Engineer with 4+ years of experience building web applications, AI-powered websites, and scalable software solutions using React, Node.js, Python, and modern databases. From frontend development and backend APIs to authentication, database integration, AI features, and performance optimization, I deliver reliable and scalable solutions. Whether you need a new application, custom features, or bug fixes, I'm here to help.
Other Software Development Services I Offer
FAQ
Do you fix frontend and backend issues?
Yes. I fix both frontend and backend problems.
Do I need to contact you before placing an order?
While contacting me before ordering is recommended, it is not required. If you already know which package fits your needs, you can place an order directly. Please provide a detailed description of the issue, requirements, and any relevant error logs or screenshots.
What if the issue is more complex than expected?
If the issue requires additional time or involves multiple problems, I will inform you before proceeding and suggest the appropriate upgrade or custom offer. Transparency first — no surprises.
Do you provide support after delivery?
Yes. I provide post-delivery support to ensure the issue is properly resolved and functioning as expected.
Can you work on urgent fixes?
Yes. If your issue is urgent, you can select the fast delivery option or contact me for availability before ordering.
Reviews
9 reviews for this Gig
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Rating Breakdown
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- Quality of delivery
- Value of delivery
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Most relevant
T 
tashen_dinal
Repeat Client
Sri Lanka
superb service.
Up to $50
Price
6 days
Duration
D 
Seller's Response
Helpful?T tashen_dinal
Repeat Client
Sri Lanka
Highly Recommended
Up to $50
Price
1 day
Duration
D Seller's Response
Helpful?L labdata10
Repeat Client
United States
Good work always
Up to $50
Price
1 day
Duration
Helpful?C 
colleenangel747
Philippines
Hundred percent will recommend him! Delivered as what i expected and make him to do one more. Thank you so much will contact you again soon!
Up to $50
Price
1 day
Duration
D Seller's Response
Helpful?L labdata10
Repeat Client
United States
Good work like always
Helpful?
Reviews
9 reviews for this Gig
| (9) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
T tashen_dinal
Repeat Client
Sri Lanka
superb service.
Up to $50
Price
6 days
Duration
D Seller's Response
Helpful?T tashen_dinal
Repeat Client
Sri Lanka
Highly Recommended
Up to $50
Price
1 day
Duration
D Seller's Response
Helpful?L labdata10
Repeat Client
United States
Good work always
Up to $50
Price
1 day
Duration
Helpful?C colleenangel747
Philippines
Hundred percent will recommend him! Delivered as what i expected and make him to do one more. Thank you so much will contact you again soon!
Up to $50
Price
1 day
Duration
D Seller's Response
Helpful?L labdata10
Repeat Client
United States
Good work like always
Helpful?
