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Fiverr Pro
English
$
USD
I will build custom web application with nextjs nodejs and postgresql
Mazbahur
5.0
5.0
About this gig
Looking for a full stack developer who builds web applications that actually scale?
I'm a senior developer with 10+ years of experience building production web platforms fintech systems, dashboards and multi-tenant SaaS. I work with Next.js, Node.js, Python/FastAPI and PostgreSQL, and deliver clean, documented code.
WHAT YOU GET:
- Custom web application (Next.js + Node.js or FastAPI)
- PostgreSQL database with proper schema design
- Authentication, dashboards, admin panels
- Stripe payments and third-party API integration
- Responsive design, deployed live with SSL
- Full source code ownership
WHY ME:
- 10+ years full stack experience
- Built production SaaS, fintech dashboards and payment systems
- 5.0 rating with repeat clients
- Security and scale designed in from day one
PROCESS:
1. Message me your requirements or rough idea
2. I confirm scope, milestones and timeline before starting
3. Progress updates with live preview links
4. Delivery + post-launch support
IMPORTANT: Please message me before ordering so I can confirm your requirements fit the package it protects your time and money.
I reply within an hour.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Mazbahur
Mazbahur
- FromBangladesh
- Member sinceApr 2020
- Avg. response time1 hour
- Last delivery6 months
Languages
English
Senior full-stack developer with 10+ years building production systems. I specialize in fintech & crypto: exchange integrations, wallet systems, deposit/withdrawal processing, payment gateways and KYC flows, built with FastAPI, Node.js and Go. I also build AI applications: RAG document systems with vector databases, and Claude/OpenAI integrations built for production, not demos. Stack: Python/FastAPI, Node.js, PHP, Next.js, Flutter, PostgreSQL. Clear communication, honest timelines, clean documented code. My clients come back, check the reviews.
FAQ
What technologies do you use for full-stack development?
I use modern technologies based on your project’s needs — mostly PHP (Laravel / CodeIgniter) for backend, React / Node.js for frontend, and MySQL / MongoDB for databases. I focus on scalability, performance, and clean architecture that’s easy to maintain and expand.
Will my website be responsive and SEO-friendly?
100%! Every website I build is fully responsive, tested on real devices, and optimized for SEO — including meta tags, schema markup, speed optimization, and best content structure. Your site will rank better and load faster on all devices.
Can you develop both frontend and backend from scratch?
Yes ❤️ I provide complete frontend and backend development — from UI design to API creation, database modeling, authentication, and deployment. You’ll get a fully functional custom full-stack web application built from the ground up.
Do you provide an admin panel and API integration?
Absolutely! You’ll get a secure and intuitive admin dashboard to manage your website easily. I also integrate any required third-party APIs (payment gateways, analytics, SMS, Firebase, etc.) with full documentation.
How do you ensure security and speed in my project?
I follow best coding and security standards — input validation, CSRF protection, HTTPS setup, rate limiting, and database optimization. Plus, I use caching, CDN, and lazy loading to achieve high PageSpeed Insights scores for better SEO and user experience.
Do you also deploy the website to my hosting or server?
Yes, I offer free deployment on cPanel, VPS, or cloud (DigitalOcean, AWS, Render, etc.). I’ll configure environment variables, SSL, and database migrations so everything runs perfectly from day one.
Reviews
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
F ferrarri_458
Repeat Client
United Kingdom
once again delivered exactly what i have asked for. will always use in future.
Helpful?K 
kashanrasheed
Pakistan
Excellent WOrk. Good
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
F ferrarri_458
Repeat Client
United Kingdom
once again delivered exactly what i have asked for. will always use in future.
Helpful?K kashanrasheed
Pakistan
Excellent WOrk. Good
Helpful?
