You will get Next.js SaaS MVP Developer for Fintech & Payment Platforms
Project details
Secure. Scalable. Revenue-Ready. In Fintech, good enough isn't an option. You need a performance-optimized architecture built with a security-first mindset. As Lead Architect at DevsOnDemand, I engineer high-fidelity Fintech MVPs using Next.js 15 and Supabase. We deliver efficient design implementations that handle complex data with sub-second load times.
What is included:
Secure Architecture: PostgreSQL schemas with Row-Level Security (RLS).
Payment Orchestration: Expert Stripe Connect or LemonSqueezy integration.
Real-time Analytics: High-performance charts for transaction tracking.
Automated Workflows: Logic for reconciliation and ledger management.
AI Insights: (Advanced) Custom LLM integration for financial forecasting.
Enterprise Auth: Secure login (Clerk/NextAuth) with MFA.
We don’t just build apps; we engineer foundations for financial growth. Partner with an Architect who understands financial logic and performance.
Select a tier to begin your launch.
What is included:
Secure Architecture: PostgreSQL schemas with Row-Level Security (RLS).
Payment Orchestration: Expert Stripe Connect or LemonSqueezy integration.
Real-time Analytics: High-performance charts for transaction tracking.
Automated Workflows: Logic for reconciliation and ledger management.
AI Insights: (Advanced) Custom LLM integration for financial forecasting.
Enterprise Auth: Secure login (Clerk/NextAuth) with MFA.
We don’t just build apps; we engineer foundations for financial growth. Partner with an Architect who understands financial logic and performance.
Select a tier to begin your launch.
Programming Languages
PHP, HTML & CSS, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$2,600
|
Standard
$6,000
|
Advanced
$12,000
|
|---|---|---|---|
| Delivery Time | 18 days | 30 days | 45 days |
Number of Revisions | 3 | 4 | 6 |
Design Customization | |||
Content Upload | |||
Responsive Design | - | ||
Source Code |
6 reviews
(5)
(0)
(0)
(0)
(1)
This project doesn't have any reviews.
AF
Adewole F.
Feb 25, 2026
Frontend SaaS Landing Page
Working with this developer was an excellent experience. As a Senior SaaS Architect, I value precision and execution and they delivered both. He successfully rebuilt and optimized our SaaS landing page, resolving multiple structural and performance issues. The final result was clean, scalable, and conversion-focused. Communication was clear, deadlines were met, and expectations were exceeded. Highly recommended for any SaaS project.
NI
Nathaniel I.
Feb 20, 2026
Fix Bugs in Next.js Application
The Moronkeji did an excellent job fixing the bugs in my Next.js application, quickly resolving performance and functionality issues with clean, maintainable code. Communication was clear, delivery was on time, and I would gladly recommend him for any Next.js development work.
SD
Sunday D.
Aug 15, 2025
Bug Fixing
Thanks for your invaluable input.
GO
Grace O.
Jul 30, 2025
Looking for a dev to fix your trading web app bug
I had a very positive experience working with Blessing, he did a very good job.
SS
Suraj S.
Jul 4, 2025
Animation
About Moronkeji
Senior SaaS Architect | Building Scalable Digital Products
100%
Job Success
Ibokun, Nigeria - 11:35 pm local time
If your SaaS platform is slow, difficult to maintain, or struggling to support growth, you're not facing a development problem you're facing an architecture problem. I help startups, SaaS companies, fintech businesses, and growing enterprises build fast, secure, and scalable digital products that users love and businesses can rely on.
As a Senior SaaS Architect and Founder of DevsOnDemand, I specialize in designing high-performance platforms powered by Next.js, AI, Cloud Infrastructure, and modern software architecture.
What I Deliver:
✓ Scalable SaaS Platforms
✓ AI-Powered Applications & Automation
✓ Fintech & Payment Solutions
✓ CRM, ERP & Business Management Systems
✓ Enterprise Web Applications
✓ Cloud-Native Infrastructure
My focus isn't simply building features. My focus is helping businesses achieve:
• Faster application performance
• Better user retention
• Reduced infrastructure costs
• Faster product launches
• Long-term scalability
Technical Expertise:
• Next.js & React Architecture
• AI Integrations & Intelligent Workflows
• OpenAI & Custom RAG Systems
• PostgreSQL, Supabase & Database Optimization
• Cloud Infrastructure & DevOps
• Enterprise API Development
Industries I've worked across include:
• Fintech
• SaaS
• E-commerce
• Logistics
• Real Estate
• Healthcare
• Sports Technology
Why clients work with me:
• Business-first approach
• Strong communication
• Scalable architecture decisions
• Clean and maintainable code
• Long-term technical partnership
Whether you're building an MVP, scaling an existing platform, integrating AI, or modernizing legacy software, I can help you create a solution that is fast, secure, and built for growth.
Let's discuss your project and build something exceptional.
Steps for completing your project
After purchasing the project, send requirements so Moronkeji can start the project.
Delivery time starts when Moronkeji receives requirements from you.
Moronkeji works on your project following the steps below.
Revisions may occur after the delivery date.
full platform development
full platform development from design to deployment