The client is a global leader in providing secure, reliable, and efficient payment solutions to businesses and consumers. They offer a wide range of payment processing services, including card payments, e-wallets, and mobile payments, serving millions of customers worldwide.
Hours delivered back to the business
SOX compliance in Settlement process automation
Success rate of bot case completion
For functional release of OBT, RTS and OGS
The Chalange
As the client expanded into new markets, their existing payment infrastructure struggled to keep up with the increased transaction volume and demand for faster processing speeds. They also needed to ensure their infrastructure could handle evolving regulatory compliance requirements, security threats, and new payment methods.
To maintain their competitive edge, the client sought to optimize their current payment gateway infrastructure, improve transaction processing speeds, and future-proof the system to accommodate new technologies like cryptocurrency, mobile wallets, and cross-border payments.
What did
Dappstacks do
DappStacks collaborated with the client to build, optimize, and future-proof their payment gateway infrastructure, ensuring seamless payment processing and scalability. Our approach involved:
Infrastructure Modernization: We rebuilt the payment gateway architecture using microservices and serverless technologies, allowing the platform to scale dynamically based on traffic, ensuring continuous availability and performance during peak transaction periods.
Optimizing Transaction Processing: By implementing low-latency APIs and upgrading to high-performance databases such as AWS DynamoDB, we significantly reduced the average transaction processing time, enabling faster payments and reducing customer wait times.
Future-Proofing with API Integrations: To prepare for future growth, we integrated the gateway with multiple payment methods, including cryptocurrencies, e-wallets, and emerging payment platforms, ensuring that the system could easily adapt to future technologies and trends in the financial sector.
Enhanced Security & Compliance: With global payment regulations becoming more stringent, we integrated PCI DSS compliance, end-to-end encryption, and tokenization to ensure the highest level of security for all transactions. We also added fraud detection systems using AI algorithms to prevent unauthorized activities and mitigate risks.
Global Payment Network Expansion: We partnered with local payment service providers in different regions, ensuring seamless integration of local payment methods and compliance with country-specific regulations. This expanded the client’s global reach and improved customer satisfaction by offering localized payment solutions.

The Results
- 50% reduction in transaction processing times, leading to faster and smoother payment experiences
- 100% uptime during high-traffic events and peak shopping periods due to the scalable and resilient microservices architecture
- 25% increase in successful transactions by supporting multiple payment methods and reducing downtime
- Complete PCI DSS compliance, ensuring secure, compliant payment processing across all regions