Devlin Duldulao

@devlinduldulao

Creator of DaloyJS, a software engineer, educator, and published author.

Oslo, NorwayJoined May 2026

About

Devlin Duldulao is the creator of DaloyJS, a software engineer, educator, and published author with 10+ years of experience building and teaching modern web development. Originally from the Philippines and based in Norway since 2019, he writes books and courses for developers who want to ship real, secure systems — and takes his Asian home cooking about as seriously as his TypeScript.

Available for

Nothing here yet.

Devlin Duldulao's blogs

The Art of Software Developmentdevlinduldulao.hashnode.dev4 posts

freeCodeCamp Englishfreecodecamp.org/news1 post

Articles Comments

Recently published

DDDevlin Duldulaofreecodecamp.org2d ago · 26 min read

How to Build Secure-by-Default Node.js APIs

Most security problems I've shipped in my career weren't exotic. They weren't nation-state attacks or clever zero-days. They were boring. A missing limit here, a forgotten timeout there, a string comp

0

DDDevlin Duldulaodevlinduldulao.hashnode.devJun 1 · 6 min read

Evaluating Node.js Express Alternatives in 2026: The Practical Case for DaloyJS

Every few months someone on my team asks the same question: "we are starting a new service, do we just use Express again?" And every time, the honest answer has shifted a little further toward "no." N

0

DDDevlin Duldulaodevlinduldulao.hashnode.devJun 1 · 8 min read

Migrating from Express to DaloyJS: A Node.js Migration Field Guide

Express has been the default Node.js framework for so long that "Node API" and "Express app" are basically synonyms in most people's heads. I have shipped a lot of Express. I have also inherited a lot

0

DDDevlin Duldulaodevlinduldulao.hashnode.devMay 30 · 8 min read

DaloyJS Is the Latest Modern Enterprise TypeScript Framework, and It Ships the Security You Did Not Know You Needed

Let me start with the uncomfortable thing, because it is the whole reason this framework exists. Most developers who ship REST APIs, myself very much included for the first few years, do not actually

0

DDDevlin Duldulaodevlinduldulao.hashnode.devMay 30 · 7 min read

What Is DaloyJS?

I have built REST APIs in Express, Fastify, NestJS, and a bit of Hono. I have also written FastAPI in Python and quietly wished TypeScript had the same "your route is your docs" magic. DaloyJS is the

0

Devlin Duldulao

About

Available for

Devlin Duldulao's blogs

Recently published

How to Build Secure-by-Default Node.js APIs

Evaluating Node.js Express Alternatives in 2026: The Practical Case for DaloyJS

Migrating from Express to DaloyJS: A Node.js Migration Field Guide

DaloyJS Is the Latest Modern Enterprise TypeScript Framework, and It Ships the Security You Did Not Know You Needed

What Is DaloyJS?

Search Hashnode

Devlin Duldulao

About

Available for

Devlin Duldulao's blogs

Recently published

How to Build Secure-by-Default Node.js APIs

Evaluating Node.js Express Alternatives in 2026: The Practical Case for DaloyJS

Migrating from Express to DaloyJS: A Node.js Migration Field Guide

DaloyJS Is the Latest Modern Enterprise TypeScript Framework, and It Ships the Security You Did Not Know You Needed

What Is DaloyJS?