Dotun Adekunle: At OPay, Technology Remains Our Engine for Driving Financial Inclusion across Africa

Dotun Daniel Adekunle, Chief Operating Officer and Chief Technology Officer at OPay, emphasized that technology remains the fundamental engine powering the company's mission to expand financial inclusion across Africa. The fintech giant leverages artificial intelligence, robust security systems, and advanced digital infrastructure to deliver swift, secure, and seamless financial services to its rapidly growing user base.

“

Our architecture was designed around a simple customer promise: when a Nigerian taps “Send,” the money must move, every time, in seconds. Everything else flows from that.

Adekunle explained that OPay's technological architecture is engineered around a core customer promise: ensuring that every transaction, initiated with a "Send" command, is completed within seconds. This principle guides the platform's design, which operates on a distributed, microservices-based system. Each service, including wallets, transfers, cards, bills, and agent banking, can scale independently. This allows OPay to manage high demand during peak periods, such as salary weekends or festive seasons, by scaling specific services without impacting others.

Three key principles underpin OPay's technical operations: comprehensive redundancy at every layer to eliminate single points of failure, asynchronous processing to prevent transaction backlogs, and continuous performance engineering. The company meticulously measures latency in milliseconds, recognizing that even minor delays are perceptible to customers at point-of-sale terminals. "But customers don’t buy architecture. They buy trust. The architecture is simply how we keep our promise at the scale of tens of millions," Adekunle noted.

“

Three principles guide us: redundancy at every layer, so there’s no single point of failure; asynchronous processing, so a spike in one product never queues behind another; and relentless performance engineering; we measure latency in milliseconds, because a customer at a POS terminal feels every one of them.

Addressing concerns about system downtime, Adekunle highlighted OPay's commitment to availability as a critical product feature. Downtime is viewed not merely as a technical inconvenience but as a breach of customer trust. OPay employs redundant infrastructure across multiple availability zones, progressive software rollouts to preempt defects, real-time monitoring with automatic failover, and regular disaster recovery drills. Beyond achieving over 99% availability, Adekunle personally monitors transaction completion times during peak hours, as this is where customers directly experience the platform's resilience.

“

But customers don’t buy architecture. They buy trust. The architecture is simply how we keep our promise at the scale of tens of millions.

Regarding cybersecurity, Adekunle stressed that security is an integral part of OPay's platform design, not an add-on. The company implements layered defenses, including advanced threat detection, encryption for data both in transit and at rest, independent penetration testing, adherence to industry standards, and a zero-trust internal access policy. "Guarding people’s life savings demands that security be engineered in, not bolted on," he stated.

“

We treat availability as a product feature because we are very much aware that downtimes are not just technical inconveniences but a breach of trust. We cannot afford to allow a customer to be locked out of their own money for minutes – they will remember it for years.