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Fiverr Pro
English
$
USD
I will build a custom b2b marketplace web app
Saad
Level 2
1 order in queue
5.0
5.0
Gig Summary
About this gig
Dear Buyer, welcome!
Looking for a full stack developer to build a custom B2B marketplace web app? I build scalable, user-friendly marketplaces tailored to your business requirements.
I'm Saad, a full-stack developer with 8+ years of experience building B2B marketplaces, multi-vendor platforms, SaaS applications, dashboards, portals, and custom web apps.
What I Can Build:
- B2B & Multi-Vendor Marketplaces
- SaaS Platforms & Web Applications
- Buyer, Seller & Vendor Portals
- Admin Dashboards
- Product & Service Listings
- Authentication & User Roles
- Search & Advanced Filters
- Real-Time Chat
- Stripe & Payment Integration
- Vendor Payouts & Commissions
- Subscriptions & Memberships
- REST API Integrations
- Responsive UI
- Security & Performance Optimization
Tech Stack:
TypeScript, JavaScript, React, Next.js, Node.js, Express.js, Tailwind CSS, PHP, Laravel, PostgreSQL, MySQL, MongoDB, AWS & Azure.
Why Choose Me?
- 8+ Years Experience
- Excellent Communication
- Clean & Scalable Code
- Unlimited Revisions
- 30 Days Free Support
- On-Time Delivery
Let's talk! Send me your marketplace or SaaS requirements, and I'll help turn them into a complete working platform.
Get to know Saad
Saad
Your Go To Full Stack Developer
Level 2
- FromPakistan
- Member sinceMar 2021
- Avg. response time1 hour
- Last delivery5 days
Languages
English, Spanish, German, French
I’m Saad, a Full Stack Developer with 8+ years of experience delivering scalable SaaS platforms and marketplaces. I’ve completed 100+ projects, earning over 200 positive reviews across platforms like Fiverr and Freelancer. I build production-ready applications with a strong focus on architecture, performance, and scalability for high-traffic environments. I leverage modern AI tools such as OpenAI, Claude, and Sonnet to accelerate development and improve efficiency. I focus on writing clean, maintainable code and building systems that are reliable at scale.
My Portfolio
Other Software Development Services I Offer
FAQ
Can I contact you before placing an order to discuss my project?
Yes, absolutely. I highly recommend contacting me before ordering so we can discuss your marketplace or SaaS requirements, features, workflows, timeline, and the best package for your project.
What types of marketplaces and SaaS platforms can you build?
I can build B2B marketplaces, multi-vendor platforms, service marketplaces, vendor portals, SaaS applications, membership platforms, dashboards, and other custom business web applications.
Can you build both frontend and backend?
Yes. I provide complete full-stack development including responsive frontend, backend APIs, database architecture, authentication, dashboards, integrations, and deployment.
Can you integrate Stripe Connect, vendor payouts and commissions?
Yes. I can integrate Stripe, Stripe Connect, marketplace commissions, vendor onboarding, subscriptions, payments, and payout workflows depending on your requirements.
Can you work on an existing marketplace or SaaS application?
Yes. I can add new features, redesign existing interfaces, fix bugs, improve performance, integrate APIs, or continue development of an existing platform.
Are revisions included?
Yes. Revisions are included according to the selected package and apply to the originally agreed project scope. New features or additional functionality may require a custom offer.
Do you provide source code?
Yes. Complete source code for the agreed project is provided upon completion.
What do you need from me before starting?
Please provide your project requirements, desired features, user roles, reference websites or designs if available, and any required third-party integrations.
Can you create a custom offer for my project?
Yes. Marketplace and SaaS projects can vary significantly in complexity, so I can review your requirements and provide a custom scope, timeline, and price. Fiverr specifically supports custom offers for requests that do not fit standard packages.
Do you provide support after delivery?
Yes. I provide 30 days of post-delivery support for bugs related to the delivered and agreed functionality.
Reviews
90 reviews for this Gig
| (88) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
K kentumeki344
Canada
I would recommend. Asked for a marketplace website and he delivered quick. Very skilled and knowledge at creating a aethetic website as well.
$400-$600
Price
10 days
Duration
S 
Seller's Response
Helpful?A abayomibankole
United Kingdom
Ongoing collaborationclean designs and pixel perfect
$100-$200
Price
2 weeks
Duration
S Seller's Response
Helpful?L 
lylia_khan
Algeria
Ongoing collaborationSaad did a fantastic job fixing my website’s outdated header and footer. They weren’t responsive and broke on mobile, but Saad resolved everything within 24 hours. The site looks professional and fully responsive now. Great experience!
$50
Price
1 day
Duration
S Seller's Response
Helpful?F facility93
France
SAAD à réaliser un excellent travail, je suis très satisfaite de son professionnalisme, je recommande vivement. Il a organiser des réunions sur zoom au fur et à mesure de l'avancement de la création de mon site web, il a fait des ajustements et même des traductions d'explication par des vidéos en français...
$400-$600
Price
4 weeks
Duration
S Seller's Response
Helpful?E 
ejazali6200127
Oman
Ongoing collaborationThis was my second order with Saad, and he did a fantastic job. I would highly recommend Saad to everyone.
$50
Price
2 days
Duration
S Seller's Response
Helpful?
Reviews
90 reviews for this Gig
| (88) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
K kentumeki344
Canada
I would recommend. Asked for a marketplace website and he delivered quick. Very skilled and knowledge at creating a aethetic website as well.
$400-$600
Price
10 days
Duration
S Seller's Response
Helpful?A abayomibankole
United Kingdom
Ongoing collaborationclean designs and pixel perfect
$100-$200
Price
2 weeks
Duration
S Seller's Response
Helpful?L lylia_khan
Algeria
Ongoing collaborationSaad did a fantastic job fixing my website’s outdated header and footer. They weren’t responsive and broke on mobile, but Saad resolved everything within 24 hours. The site looks professional and fully responsive now. Great experience!
$50
Price
1 day
Duration
S Seller's Response
Helpful?F facility93
France
SAAD à réaliser un excellent travail, je suis très satisfaite de son professionnalisme, je recommande vivement. Il a organiser des réunions sur zoom au fur et à mesure de l'avancement de la création de mon site web, il a fait des ajustements et même des traductions d'explication par des vidéos en français...
$400-$600
Price
4 weeks
Duration
S Seller's Response
Helpful?E ejazali6200127
Oman
Ongoing collaborationThis was my second order with Saad, and he did a fantastic job. I would highly recommend Saad to everyone.
$50
Price
2 days
Duration
S Seller's Response
Helpful?
