You will get Next.js SaaS MVP Developer for Fintech & Payment Platforms
Top Rated
Top Rated
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 |
8 reviews
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AM
Amy M.
Aug 24, 2026
1 due for Love's Point of View
Excellent work as always. Really enjoyed working with him. Excited to continue.
AM
Amy M.
Aug 21, 2026
3 Dues for Dreams Come True and Love's Point of View
I've really enjoyed the experience of working with him and hope to continue to do so in the future.
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.
About Moronkeji
SaaS Developer | AI Solutions | Fintech Apps | Custom Websites & App
100%
Job Success
Ibokun, Nigeria - 8:02 pm local time
I redesigned the system architecture, optimized the database, introduced asynchronous job processing, implemented caching, and modularized the backend. The result was a 72% reduction in API response times, a 38% decrease in infrastructure costs, deployment times cut by more than half, and a platform that could confidently support 10x more concurrent users without major architectural changes.
My Approach
Every successful software product starts with understanding the business, not writing code.
Before development begins, I take the time to understand your goals, users, technical challenges, and long-term vision. This allows me to recommend solutions that solve today's problems without creating tomorrow's technical debt.
Throughout the project, I prioritize:
✔ Clean, scalable architecture that supports future growth
✔ Transparent communication with regular progress updates
✔ Performance, security, and maintainability from day one
✔ Modular, well-documented code that your team can confidently build on
✔ Practical recommendations that balance speed, quality, and cost
Whether I'm building a new product, modernizing an existing platform, or integrating AI into your business, my objective is always the same: deliver software that creates measurable business value and continues to perform as your company grows.
What You Can Expect
1.Business-first technical recommendations
2.Clean, scalable architecture designed for long-term growth
3.Secure, maintainable, and production-ready code
4.Transparent communication with proactive updates
5. Reliable delivery and attention to deadlines
6.Long-term support, optimization, and continuous improvement after launch
Not sure if your current architecture is the right foundation for your product?
Schedule a complimentary 15 minute strategy call and walk me through your product, current challenges, or vision. I'll help you identify potential risks, evaluate your architecture, and recommend the best technical approach to move your project forward. You'll leave the conversation with clear, actionable insights whether we work together or not.
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