Senior Software Engineer with close to a decade of experience designing, building, and operating scalable backend systems and distributed services. I value clean architecture, correctness, and pragmatic engineering that ships and lasts.
- Email · olaniyiojeyinka@gmail.com
- LinkedIn · linkedin.com/in/niyiojeyinka
- Writing · dev.to/niyiojeyinka
Backend architecture and API design · Distributed systems and messaging · Payment infrastructure · Observability and reliability · Developer tooling and platform engineering
Languages
Frameworks & Libraries
Data & Persistence
Messaging & Caching
Cloud & Infrastructure
CI/CD
Testing
Observability
- Introduction to Database Transactions & Isolation Levels — read phenomena and isolation levels, illustrated with Sequelize.
- How Are You Handling Your Money Value? — precision with arbitrary-precision decimals and lowest money units in financial systems.
- Building a Synchronous Timer with WebSockets — synchronizing state across clients in real time.
- Pub/Sub with Redis across Laravel and Node.js — service-to-service messaging between heterogeneous stacks.
- Laravel Guard Implementation Guide — authentication guards through a practical build.
- Give Your API More Security Layers — defense-in-depth for API endpoints.
- The Jude Way to Recursion — an intuitive mental model for recursion.





