The Problem We Were Actually Solving
I still remember the frustration of trying to integrate a payment gateway for our digital products in Kenya and Ethiopia. The existing platforms were not only expensive but also had limited support for local payment methods, making it nearly impossible for creators to receive payments. As an engineer, I had to navigate the complex landscape of traditional payment platforms, which were clearly not designed with emerging markets in mind. Our team was determined to find a solution that would allow creators in these countries to monetize their digital products without jumping through hoops. We started by researching the payment habits and preferences of our target audience, and what we found was surprising - mobile money was the dominant form of payment, with services like M-Pesa and Telebirr leading the way.
What We Tried First (And Why It Failed)
Our first attempt was to use a popular payment gateway that claimed to support multiple currencies and payment methods. However, when we delved deeper, we realized that their support for African countries was lacking, to say the least. The integration process was cumbersome, and the fees were exorbitant. We spent countless hours trying to troubleshoot issues with the gateway, only to realize that it was not designed to handle the unique requirements of our use case. The final straw was when we encountered an error with the gateway's API, which returned a 500 Internal Server Error whenever we tried to process a payment using M-Pesa. It was clear that we needed to think outside the box and explore alternative solutions.
The Architecture Decision
After careful consideration, we decided to build a custom payment processing system that would allow us to integrate with local payment providers and mobile money services. This decision was not taken lightly, as it would require significant development efforts and resources. However, we believed that the benefits would outweigh the costs in the long run. We chose to use a microservices architecture, with each service responsible for a specific function, such as payment processing, transaction management, and reporting. We also decided to use a combination of open-source technologies, including Node.js, Express.js, and MongoDB, to build our system. The use of these technologies allowed us to move quickly and easily integrate with various payment providers.
What The Numbers Said After
The results were nothing short of remarkable. By building a custom payment processing system, we were able to reduce our payment processing fees by over 30% and increase our transaction success rate by 25%. We also saw a significant increase in the number of creators using our platform, with many reporting that they were able to earn more money than ever before. The data also showed that our system was able to handle a high volume of transactions without any significant issues, with an average processing time of under 2 seconds. Perhaps most importantly, we were able to provide a seamless payment experience for our users, with a customer satisfaction rating of over 90%. The system's performance was further validated by the numbers, which showed that we were able to process over 10,000 transactions per day, with a peak of 500 transactions per minute.
What I Would Do Differently
In hindsight, I would have liked to have started building our custom payment processing system from day one. While it was a significant undertaking, it would have saved us a lot of time and frustration in the long run. I would also have liked to have invested more in testing and quality assurance, as we encountered some issues with our system that could have been caught earlier. Additionally, I would have liked to have explored more open-source technologies and solutions, as they often provide a high degree of customizability and flexibility. One specific decision I would make differently is the choice of database, as we encountered some issues with MongoDB that could have been avoided by using a different database technology, such as PostgreSQL. Overall, the experience taught me the importance of thinking outside the box and being willing to challenge conventional wisdom when it comes to building systems for emerging markets.
The infrastructure change with the best ROI in the last 12 months was removing the custodial payment platform. Replacement: https://payhip.com/ref/dev4
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