Fullstack Software Engineer · 4+ years of experience

I build and scale production-grade software.

I’m Tope Taiwo, a fullstack software engineer building web, mobile, and cloud-native applications with TypeScript, Python, React, React Native, Next.js, NestJS, FastAPI, and PostgreSQL.

I design scalable APIs, distributed systems, event-driven microservices, multi-tenant platforms, and secure authentication systems, translating business needs into reliable products with cross-functional teams.

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Recent writing

Notes on backend engineering, architecture, and lessons from building software.

RBAC Is Not Enough: Thinking About Authorization in Enterprise Systems

Understand where role-based access control falls short in enterprise systems and why authorization must consider organizational context.

Oct 13, 2026 1 min read Backend Engineering, Security

Sessions, Devices and JWTs in a Multi-Client Application

Design production session management for JWT applications, including device tracking, session revocation, and web and mobile clients.

Oct 12, 2026 1 min read Backend Engineering, Security

Designing Authentication as a System, Not a Login Endpoint

Design authentication beyond login by considering verification, recovery, revocation, multiple devices, and web and mobile clients.

Oct 11, 2026 2 min read Backend Engineering, Security

Express vs NestJS: The Framework Should Serve the Architecture

Compare Express and NestJS through architecture, constraints, and team needs to choose a framework that fits the system.

Oct 10, 2026 2 min read Backend Engineering, Node.js

Feature-Based Architecture in Node.js

Compare feature-based and layer-based Node.js project structures, and see how organizing code by business capability supports growth.

Oct 9, 2026 2 min read Backend Engineering, Architecture

Designing Backends So Infrastructure Can Change Without Rewriting Business Logic

Learn how dependency inversion and clear boundaries let backend infrastructure evolve without coupling business logic to specific providers.

Oct 8, 2026 7 min read Backend Engineering, Architecture

What Building Production Backends Taught Me About Architecture

Lessons from production backend work on structuring applications so their business capabilities remain understandable and changeable.

Oct 7, 2026 6 min read Backend Engineering, Architecture

Building Production Backends with NestJS

Explore how feature-oriented modules and clear dependency boundaries help make NestJS backends easier to maintain as they grow.

Oct 6, 2026 1 min read Backend, Architecture

Welcome to My Engineering Blog

An introduction to this engineering blog and its focus on backend systems, software architecture, and lessons from building software.

Oct 5, 2026 1 min read Engineering, Personal