From Idea to $2M Funding in 6 Weeks

How we helped SecureBank transform their banking startup vision into a compliance-ready MVP that secured Series A funding, serving 10,000+ users with zero security incidents.

$2M

Series A secured

6 wks

Development time

10K+

Users (first 90 days)

PCI L1

Compliance rating

The challenge

Build a PCI-compliant banking MVP fast enough to impress Series A investors.

SecureBank was a stealth-mode fintech startup founded by former JPMorgan executives. They had initial seed funding but needed a working, investor-ready MVP within six weeks to secure Series A investment in a crowded neobank market.

Regulatory compliance — KYC / AML from day one
Real-time transaction processing at scale
Mobile-first banking UX for Gen Z consumers
End-to-end security architecture implementation
Third-party API integrations (Plaid, Auth0)
Aggressive six-week investor timeline

The solution

React Native + Node.js stack, PCI DSS Level 1 certified in six weeks.

We delivered a comprehensive mobile banking platform using React Native and Node.js, achieving PCI DSS Level 1 compliance while maintaining the rapid development pace required for the investor timeline. The platform onboarded 10,000 users in the first 90 days post-launch.

React Native for cross-platform iOS and Android
Node.js + Express backend with real-time processing
PostgreSQL with Redis caching layer
AWS infrastructure with autoscaling
Auth0 for enterprise-grade authentication
Plaid for banking API integrations

App Store rating4.8 / 5

Week-over-week growth+25%

NPS score (early users)50+

Security incidents0

Client testimonial

“XYZBytes didn't just build our MVP, they architected our future. Their deep understanding of fintech regulations and rapid development capabilities gave us the confidence to present to investors knowing we had a truly enterprise-ready platform.”

Sarah Martinez

CEO & Co-founder, SecureBank

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Build a PCI-compliant banking MVP fast enough to impress Series A investors.

Regulatory compliance — KYC / AML from day one

Real-time transaction processing at scale

Mobile-first banking UX for Gen Z consumers

End-to-end security architecture implementation

Third-party API integrations (Plaid, Auth0)

Aggressive six-week investor timeline

React Native + Node.js stack, PCI DSS Level 1 certified in six weeks.

React Native for cross-platform iOS and Android

Node.js + Express backend with real-time processing

PostgreSQL with Redis caching layer

AWS infrastructure with autoscaling

Auth0 for enterprise-grade authentication

Plaid for banking API integrations