Henrique Vicente de Oliveira Pinto

me visiting a museum

I'm Henrique Vicente, a Software Engineer at Liferay where I work on the WeDeploy cloud computing platform writing Go code on a daily basis.

I was born in Recife, Brazil. My email address is henriquevicente@gmail.com. I'm henriquev at irc.freenode.net and henvic at Gophers.

D0F4DFBD257C1575  is my public key fingerprint.

Follow @henvic Sourcerer

My photos


My work

we $ WeDeploy CLI tool

I'm the creator and software maintainer of we, the Command-Line Interface tool you use to deploy services to the WeDeploy cloud computing platform. Play the asciinema video above to check out how it works.

My text

My web development environment

Configuring your ideal web development environment is a never-ending task. Let me help you.


My talks

Using a Socket.Io Client Implementation for Go

I presented this talk on a Westside GoLang Meetup (Los Angeles, CA) in April 2018.

Write in Go: The Go Programming Language

I presented this talk during Liferay's Developer Retreat 2017 on the backend track.
On the slides press 'N' for the speaker notes.

Writing a modern CLI tool

I presented this talk at work about my experience writing a modern CLI tool and why I have chosen Go for writing it.

Writing CLI tools with Node

Talk at Liferay's front end developer meetup 2015.

Creating a microservice for the 1st time with go

Internal tech talk at Liferay.

Unit testing

Talk organized by PET at Cin / Universidade Federal de Pernambuco.

What does it take to create a modern web application?

Talk at the event Talk a bit ++.

HTTP and Internet security

A remake of Common Web Security Issues and Tips on How to Overcome Them
I gave this talk two years later when I joined Liferay.

JavaScript beyond the browser

Talk about JS outside of the browser at Consoline.
Palestra sobre JS fora do navegador no Congresso de Software Livre do Nordeste.

Web application development tips

Talk about software development on a local university forum.
Palestra no Fórum Nabuco: Descobrindo o conhecimento e despertando o aprendizado!

Tests and automation with PhantomJS and CasperJS

An introduction on how to use these two great tools. My talk at the 2nd Open Meeting Pernambuco.JS


Basic intro about node.js and etc. My talk at the 1st Open Meeting Pernambuco.JS

Common Web Security Issues and Tips on How to Overcome Them

When we are talking about the web, security is not for granted. Each day systems and data gets compromised or destroyed both as a result of attacks and negligence. On these slides, I cover many overlooked web security issues when designing web applications.

Open source projects I have contributed to


ctxsignal is a Go package that can be used to create contexts cancelable by system signals.

Go socket.io client

Go socket.io client forked from and heavily modified.


pseudoterm is a framework I created for running iterative programs programmatically with Go.
Tip: I eventually migrated away from it by adopting expect. See also Google's Expect for Go implementation.


picel is a light-weight, blazing fast REST-ful micro service for image processing with a lean API. I created it for fun with the ideas of learning the Go language and solving the image processing problem on the web the way I find more appropriate. picel-js is its accompanying JS encoder library.


NodeGH is a GitHub command line tools by Eduardo Lundgren and Zeno Rocha.
I've adopted it by contributing with some nice features, fixing bugs, and so on.
Install it now with npm install gh -g


AlloyUI is a framework built on top of YUI3 (JavaScript).

My projects


Vehikel is a used vehicle marketplace website inspired by Craigslist and eBay.

OpenCV based Tic-tac-toe game


accidents was a statistics project written in the programming language R.


Plifk is a file sharing web service which uses several cloud computing technologies.


to-post.it is a minimal posting service Twitter users can use to post things, like a blog or pastebin. The previous Medium!


trazqueeupago.com is a social-based commerce web service that allows Twitter users to quickly tell what they want to buy/sell based on their location / direct connections. It's only available in Portuguese.

My other works


Cahier is a B2B SaSS corporate social network by MGR Tecnologia. I've worked on it as a backend engineer both with PHP and JavaScript (Node.JS). The most exciting feature I've built there was a Facebook-like chat system on top of socket.io.

Northern Lights (Iceland) https://flic.kr/p/SULcgZ + Clarendon (100%)

A post shared by Henrique Vicente (@henvic) on

My recommendations


We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Donald Knuth
It seems that perfection is attained not when there is nothing more to add, but when there is nothing more to remove. Antoine de Saint Exupéry