--- title: "Oluwatomisin Omotosho (@oluwatomisinjames) | Hashnode" description: "Designing scalable systems and documenting the journey. Read the latest articles by Oluwatomisin Omotosho on Hashnode." url: "https://hashnode.com/@oluwatomisinjames" --- @oluwatomisinjames # Oluwatomisin Omotosho @oluwatomisinjames · London, UK · Joined March 2026 Designing scalable systems and documenting the journey. ### [Designing Fraud-Resistant Fintech Systems](https://oluwatomisin-omotosho.hashnode.dev/designing-fraud-resistant-fintech-systems?utm_source=hashnode&utm_medium=feed) How Machine Learning and Backend Engineering Work Together 7 min read · [oluwatomisin-omotosho.hashnode.dev](https://oluwatomisin-omotosho.hashnode.dev/designing-fraud-resistant-fintech-systems?utm_source=hashnode&utm_medium=feed) [Apr 9](https://hashnode.com/posts/designing-fraud-resistant-fintech-systems/69d74e80247867ecc04f6cc1) ### [Microservices in Production](https://oluwatomisin-omotosho.hashnode.dev/microservices-in-production?utm_source=hashnode&utm_medium=feed) What Broke First and What We Fixed 7 min read · [oluwatomisin-omotosho.hashnode.dev](https://oluwatomisin-omotosho.hashnode.dev/microservices-in-production?utm_source=hashnode&utm_medium=feed) [Apr 6](https://hashnode.com/posts/microservices-in-production/69d38ae540c9cabf44fb9a2f) ### [CI/CD is Not Enough](https://oluwatomisin-omotosho.hashnode.dev/ci-cd-is-not-enough?utm_source=hashnode&utm_medium=feed) How We Cut Deployment Time by 50% Using Smarter Pipelines 12 min read · [oluwatomisin-omotosho.hashnode.dev](https://oluwatomisin-omotosho.hashnode.dev/ci-cd-is-not-enough?utm_source=hashnode&utm_medium=feed) [Mar 27](https://hashnode.com/posts/ci-cd-is-not-enough/69c60e1410e664c5da848a5c) ### [gRPC vs REST in Production](https://oluwatomisin-omotosho.hashnode.dev/grpc-vs-rest?utm_source=hashnode&utm_medium=feed) Why We Made the Switch and Would Do It Again 9 min read · [oluwatomisin-omotosho.hashnode.dev](https://oluwatomisin-omotosho.hashnode.dev/grpc-vs-rest?utm_source=hashnode&utm_medium=feed) [Mar 27](https://hashnode.com/posts/grpc-vs-rest/69c6042410e664c5da7db7e0)