Samson Ayeni is a Senior Software Engineer based in Greater Vancouver with 11 years of experience building high-throughput payment and web systems. He currently leads core backend and API gateway efforts at Paystack, owning features that power split settlements, webhook delivery (35M/month), and post-transaction lifecycles with >99% reliability. Samson blends backend systems design with hands-on front-end work—he’s the primary contributor to a ReactJS Paystack integration library and has driven automation around transactional email providers. His background spans fintech platforms, real-time WebSocket services, and mobile apps built with React Native, giving him strong cross-stack instincts for integrations like Stripe, Plaid and SES. He pairs product-minded engineering with operational rigor, having re-engineered onboarding flows and performance monitoring to support international expansion. Samson’s combination of API gateway architecture and practical open-source contributions makes him effective at shipping resilient, customer-facing payment features at scale.
10 years of coding experience
5 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at University of Lagos
Lagos State Model College,Kankon
Bachelor of Science (BSc), Computer Science, Second Class Upper, Bachelor of Science (BSc), Computer Science, Second Class Upper at Babcock University, Ilishan-Remo, Nigeria
ReactJS library for implementing paystack payment gateway
Role in this project:
Front-end Developer
Contributions:9 reviews, 83 commits, 39 PRs in 5 years 6 months
Contributions summary:Samson primarily contributed to the front-end development of a ReactJS library for integrating the Paystack payment gateway. Their commits showcase the initial setup and implementation of core components, specifically the `PayStack` component, which handles the payment processing flow. The contributions also included adding unit tests to ensure the functionality of the payment component. Furthermore, the commits demonstrate enhancements with added features for the payment system, including handling of the embed functionality, along with updating the component's props and dependencies.
ReactJS library for implementing RavePay payment gateway
Contributions:52 commits, 17 PRs, 44 pushes in 2 years 9 months
reactravepaypayment-servicepayment-gatewayadyen
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Samson Ayeni - Senior Software Engineer at Paystack