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Scalable Financial Transaction Platform Enhancement and Integration for High-Volume Capital Raising
  1. case
  2. Scalable Financial Transaction Platform Enhancement and Integration for High-Volume Capital Raising

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Scalable Financial Transaction Platform Enhancement and Integration for High-Volume Capital Raising

datarockets.com
Financial services

Scaling Challenges and Technical Debt in High-Volume Financial Transactions

The platform experienced slow page loading times, technical debt accumulation, and infrastructure limitations while supporting rapid growth (400+ companies, $1B+ raised). A critical need emerged to scale systems for a high-profile client expected to onboard 300,000 investors within a tight deadline, alongside modernizing payment integrations and improving development workflows.

About the Client

A cloud-based fintech platform enabling companies to digitally raise capital through streamlined share issuance and investor management.

Enhance Platform Performance, Scalability, and Integration Capabilities

  • Optimize application performance for high-traffic scenarios
  • Establish scalable infrastructure to support 300,000+ concurrent investors
  • Modernize frontend architecture through jQuery-to-Svelte migration
  • Develop robust payment integrations with Stripe, WorldPay, and alternative providers
  • Implement automated testing frameworks for payment systems
  • Create embeddable investor flows and public API for client integrations

Core Transaction Platform Enhancements

  • Load-balanced infrastructure for 48-hour high-volume transaction windows
  • Svelte-based frontend with optimized page rendering
  • API-first design with Ruby Grape and OAuth2 authentication
  • Embeddable investor onboarding iframe for client websites
  • Automated payment testing framework using VCR technology

Technology Stack Modernization

Ruby on Rails
Svelte framework
Stripe API (ACH/ACSS, Apple/Google Pay)
Ruby Grape API engine
VCR testing library

Critical Third-Party Integrations

  • Stripe Payment Gateway
  • WorldPay Processing
  • FundAmerica Compliance API
  • Aeropay Alternative Payments
  • ReDoc API Documentation

Operational Excellence Requirements

  • 99.99% uptime during capital raise periods
  • Sub-200ms API response times under 10,000 concurrent users
  • PCI-DSS Level 1 compliance for payment processing
  • Automated scaling to handle 300,000+ investor accounts
  • Real-time transaction monitoring dashboard

Enabling High-Volume Transactions and Streamlined Capital Raising

Successfully support landmark transactions exceeding $30M in 48 hours while maintaining platform stability. Achieve 5x improvement in page load times, reduce payment integration maintenance costs by 60%, and enable clients to raise capital through embedded flows directly on their websites. Position the platform to handle $1B+ in annual transaction volume with automated compliance workflows.

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