$30 off During Our Annual Pro Sale. View Details »
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
The Road to Node
Search
Guille Paz
October 28, 2017
Programming
0
240
The Road to Node
The Road to Node (at a big company).
Guille Paz
October 28, 2017
Tweet
Share
More Decks by Guille Paz
See All by Guille Paz
No me robes el Scroll!
pazguille
0
250
User First
pazguille
1
200
#OfflineFirst
pazguille
3
5.9k
ES6 in Production
pazguille
10
3.2k
No me hagas esperar!
pazguille
1
170
CSS Sprites vs. Data URIs
pazguille
0
440
Hello, Style Guides!
pazguille
0
270
Decoupling your JavaScript
pazguille
0
180
Progressive Enhancement - Is it still important?
pazguille
0
130
Other Decks in Programming
See All in Programming
著者と進める!『AIと個人開発したくなったらまずCursorで要件定義だ!』
yasunacoffee
0
160
認証・認可の基本を学ぼう後編
kouyuume
0
250
Patterns of Patterns
denyspoltorak
0
350
PC-6001でPSG曲を鳴らすまでを全部NetBSD上の Makefile に押し込んでみた / osc2025hiroshima
tsutsui
0
190
Cap'n Webについて
yusukebe
0
150
Giselleで作るAI QAアシスタント 〜 Pull Requestレビューに継続的QAを
codenote
0
300
The Art of Re-Architecture - Droidcon India 2025
siddroid
0
130
DevFest Android in Korea 2025 - 개발자 커뮤니티를 통해 얻는 가치
wisemuji
0
170
Cell-Based Architecture
larchanjo
0
140
LLMで複雑な検索条件アセットから脱却する!! 生成的検索インタフェースの設計論
po3rin
4
980
生成AI時代を勝ち抜くエンジニア組織マネジメント
coconala_engineer
0
23k
AIエージェントの設計で注意するべきポイント6選
har1101
5
2.4k
Featured
See All Featured
The Illustrated Children's Guide to Kubernetes
chrisshort
51
51k
GraphQLの誤解/rethinking-graphql
sonatard
73
11k
16th Malabo Montpellier Forum Presentation
akademiya2063
PRO
0
30
How People are Using Generative and Agentic AI to Supercharge Their Products, Projects, Services and Value Streams Today
helenjbeal
1
81
What's in a price? How to price your products and services
michaelherold
246
13k
Product Roadmaps are Hard
iamctodd
PRO
55
12k
Leveraging LLMs for student feedback in introductory data science courses - posit::conf(2025)
minecr
0
89
What does AI have to do with Human Rights?
axbom
PRO
0
1.9k
The browser strikes back
jonoalderson
0
130
Understanding Cognitive Biases in Performance Measurement
bluesmoon
32
2.8k
jQuery: Nuts, Bolts and Bling
dougneiner
65
8.3k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
122
21k
Transcript
The Road to Node at a big company
- I’m Guille Paz - Frontend developer - Tech Lead
at Mercado Libre @pazguille (twitter / github) Hi!
Mercado Libre
Largest e-commerce ecosystem in Latin America
None
~ 1500 developers
~ 1500 developers ~ 4600 repositories
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps ~ 3 Million rpm
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps ~ 3 Million rpm ~ 900 coffees per day
Back to 2016
Frontend Frontend developers Backend developers
Frontend
Frontend Access Data UI Logic Business Logic Build assets Auth
i18n e2e testing ...
TOO many Technologies
TOO many Responsibilities
It’s a kilombo!
“The world is changing and we must change with it.”
- Ragnar Lothbrok
Hey Guille, coffee? Hey, what's happened? Nothing, just running grails
run-app... Sure! I have 10-15 mins.
New Team Frontend Core
We made Big decisions!
Node is the new UI Layer
Frontend Middleend UI Layer Business Logic
Frontend API API Middleend
Frontend API API Middleend Mobile Native
None
The new frontend stack
None
LTS version
None
None
None
ES6 Modules vs CommonJS
None
None
Use ES Features and don’t transpile the server.
node.green
None
six-speed
None
Use ES Stable Features and don’t transpile the server.
None
Shared Version
Default Middlewares
Authentication Device Detection Security Default Middlewares
Default Routes (“/ping”)
An Express Instance on Steroids
Routers (“mini-applications”)
Start Server (development vs production)
None
Using React Is A Business Decision, Not A Technology Choice.
- Eric Baer
Server-Side Rendering
React on the Server
Only transpile JSX in runtime
JSX (template engine)
res.render(‘View.js, props);
None
Render React Middleware
Override res.render( ).
res.render(<View />, props);
Universal UI Components
Universal Views
React on the Server & Client
None
Hey Guille, coffee? Hey, what's happened? Nothing, just running npm
install... Sure! I have 2-3 mins.
None
None
nordic & nordic-dev packages
None
None
react-router on the server
None
None
[email protected]
async hooks (onEnter ) are defined globally
None
None
process.env
It’s not a normal JavaScript object...
Server rendering is slower...
cache all the values!
React 16
Takeaway
⇢ Knows your dependencies ⇢ Node is the new UI
Layer ⇢ New roles and responsibilities ⇢ ~ 126 coffees per day (86% real) ⇢ Today we feel like...
None
None
Thank you! @pazguille