Marcelo AdamattiAdamatti
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Companies that I worked with javascript
Hotel Engine

Staff Software Engineer

Hotel Engine - 2025 - 2026

Returned to Engine in the lodging rooms space

Lodging Rooms
Property details and list of rooms enhancements
typescript, javascript, aws, cursor, claude, ai, agentic, react-native
UpKeep

Senior Software Engineer

UpKeep - 2024 - 2025

Backend lead, hiring, define standards, code reviews, mentor

Scheduler AI
New experience to schedule work orders
nodejs, typescript, aws, k8s, ai, chatgpt, elasticsearch, cursor, agentic
Platform
Growing pains, scalability issues, memory leak detection
nodejs, typescript, aws, k8s
Hotel Engine

Senior Software Engineer

Hotel Engine - 2023 - 2024

Backend/infra engineer

Partner Hub
Campaign manages and reports to hotel admins
nextjs, nodejs, typescript, aws
Wallet
Transactions and balance tracker for hotels
Results:
All money operations and reports available to hotel admins
nextjs, nodejs, typescript, aws, stripe
AWS SDK to terraform migration
Simplify and scale infrastructure configuration
Results:
Speed up develop time, everyone able to expand infra
terraform, aws
MahisoftSkinLaundry

Senior Software Engineer

Mahisoft providing services to SkinLaundry - 2023

Backend Architect

New platform
New platform to replace legacy system (Zenoti)
Results:
Users with new experience on mobile to schedule/track appointments
nestjs, typescript, postgres, terraform
Homology

Software Architect

Homology - 2022 - 2023

Crypto / Financial startup

Crypto Porfolio Manager
Portfolio manager with asset graphs and possibility to create new assets
Results:
It was ready to start receiving investments
nestjs, typescript, postgres, terraform
ClevertechLaurel

Senior Software Engineer

Clevertech providing services to Laurel - 2022 - 2023

Node engineer

Ingestion / Export systems
Create pipelines to collect data from clients, do machine learning process and return it to clients, supporting multiple formats. Project started from scratch, deployed to prod.
Results:
New connectors where the client could easy / quickly onboard their clients
nestjs, typescript, mongo, terraform, kubernetes
Demand.io

Senior Backend Architect

Demand.io - 2022

Node engineer

AWS to GCP migration
Create helm configurations and k8s configs to reduce aws usage and configuration costs
aws, gcp, kubernetes, helm, scala, php
Gamification
Create backend infrastructure to track actions and give point based on events
Results:
New functionalities to attract new user and retain old ones
nodejs, nestjs, typescript, type-orm, mysql, microservices
X-TeamFox

Senior Software Engineer

X-Team providing services to Fox - 2021 - 2022

Go/Node engineer

Platform
Asset (e.g. video, thumbnails, closed captions, etc) ingestion and indexing
Results:
Modernize the system, speeding up new integrations and rationalize data usage
golang, nodejs, aws, elasticsearch
Zenvia

Senior Software Engineer

Zenvia - 2017 - 2019

Working with bigdata, microservice, data science building chatbots

Chatbots
product for end user
java, spring, postgres, aws, nodejs, typescript, mongo, big data, scala, golang, kotlin, vue, kubernetes
ilegraAGCO

Technical Lead

ilegra providing services to AGCO - 2015 - 2016

Tech Lead in a global app. Using Node/Groovy/Docker

Feature Unlock
Order placement/purchase system (orchestrator), created using event sourcing and integrating with legacy systems (e.g. mainframe, ftp)
Results:
System created from scratch with modern technology enabling dealers to speed up sales
nodejs, groovy, apache camel, event sourcing, hypermedia API, java
Technologies related to javascript
javascript

javascript

10 years

typescript

typescript

8 years

Graphql

Graphql

10 years

Nest.js

Nest.js

3 years

Next.js

Next.js

5 years

React

React

5 years

Check all technologies I worked with on /technologies

Events where I spoke about javascript

Node POA Meetup

node
javascript
js

2016-07-12

Title: Event Sourcing

Presentation about event sourcing and how we implemented it at AGCO

slidesrecordinggithubmeetup

TDC POA - javascript

node
javascript
js

2016-10-05

Title: Event sourcing

Presentation about event sourcing and how we implemented it at AGCO

slidestweetpage

TDC POA - architecture

node
javascript
js

2016-10-07

Title: Event sourcing

Presentation about event sourcing and how we implemented it at AGCO

slidestweet1tweet2page

Node POA Meetup

node
javascript
js

2017-03-14

Title: Why Node

Talk describing the advantages of node (e.g. why Paypal was replacing java by js)

slidespptxgithubmeetupphotosrecording

Meetup Microservices

java
javascript
node
microservices
js

2019-10-30

Title: Interagindo com APIs

Talk about different ways to expose data and fetch it together, e.g. hypermedia apis, graphql, restql, gRpc, etc

githubeventslidesppt

Check all my talks on /events

My posts related to javascript

Memory Leak in nodejs/javascript

2024-11-29javascriptnodejs

Some steps for finding/troubleshooting it

Cloudflare workers

2024-09-10javascriptnodejstypescript

Just created my hello world there

Yarn Classic

2024-09-06javascriptnodejs

It is time to move on

Taskfile - an alternative for Makefiles

2024-04-18javascripttypescripttoolsgolang

A 5 minutes tutorial

Makefiles - How to use them for automations

2024-04-08javascripttypescripttools

A 5 minutes tutorial

Vinejs - js validation lib

2024-04-05javascripttypescript

An alternative to zod

Check all posts on /blogs

My videos related to javascript

Event Sourcing

node
javascript
js

Presentation about event sourcing and how we implemented it at AGCO

Go to Source

Why Node

node
javascript
js

Talk describing the advantages of node (e.g. why Paypal was replacing java by js)

Go to Source

Hypermedia APIs com harvesterjs

nodejs
javascript

How to create hypermedia APIs with this custom framework

Go to Source

Check all my videos on /videos

My pet projects related to javascript

learn-git-crypt

2024-04-26T20:09:40Z

javascript

learn-fireblocks

2023-05-03T14:33:57Z

Pet project to play with fireblocks
typescript
crypto
fireblocks
javascript

adamatti.github.io

2023-02-17T01:27:04Z

Create a new version of https://adamatti.github.io, now with react
typescript
blog
graphql
javascript
js
react
tailwind

superapp

2023-02-06T01:01:02Z

Merging pet projects and optimizing resources
typescript
javascript
js
nestjs
react

lambda_unzip

2022-11-09T14:51:44Z

This is a pet project, just a lambda(nodejs) to unzip files on s3
hcl
javascript
js
lambda
nodejs
terraform

mysql_to_redshift

2022-10-26T12:59:09Z

Small script to load mysql data to redshift
typescript
javascript
js
mysql
nodejs
redshift

github-actions-test

2022-03-31T19:37:13Z

Pet projet to learn github actions
javascript
js
nodejs

advent-of-code

2021-12-02T13:35:33Z

My solutions for https://adventofcode.com/
typescript
golang
javascript
js

wiki-nextjs

2021-10-20T00:17:33Z

Pet project to learn nextjs
typescript
javascript
js
nextjs
wiki

adamatti-npm-libs

2021-09-09T18:24:32Z

Pet project to test lerna / husky / circle ci / npm publish.
makefile
javascript
js
typescript

terraform-like

2021-07-07T15:42:06Z

Pet project to create AWS artifacts (e.g. s3, sqs, dynamo) on localstack
javascript
aws
js
terraform

LearnZipkin

2021-02-26T17:44:08Z

Pet project to learn zipkin (tracing)
go
golang
java
javascript
js
jvm
nodejs

LearnHubotDiscord

2020-09-04T02:40:45Z

Pet project to create a discord bot
makefile
chatbot
discord
discord-bot
hubot
javascript
js

asciidoctor-server

2020-04-21T02:39:28Z

Similar to markserv, but for asciidoc
ejs
javascript
js
lib

json-server-api

2019-02-17T15:08:42Z

Based on json-server, but with plans to expand
typescript
graphql
javascript
js
nodejs

LearnSonar

2018-10-31T19:35:00Z

Pet project to show how to publish metrics to sonar
java
gradle
groovy
javascript
js
jvm
nodejs
sonar
sonarqube
typescript

LearnKafka

2017-10-09T21:51:02Z

Pet project to test kafka client
groovy
javascript
kafka
nodejs

express-actuator-alt

2017-09-28T02:26:33Z

Plugin based on express-actuator to work with spring-boot-admin
javascript
expressjs
nodejs
npm
spring

LearnLerna

2017-09-11T02:49:54Z

Pet project to learn Lerna
javascript
lernajs
monorepo
nodejs

SandboxNode

2017-08-10T01:31:36Z

Nodejs experiments
javascript
express
nodejs

LearnHubot

2017-05-20T03:11:27Z

Pet project to learn Hubot
javascript
chatbot
hubot
js
nodejs

LearnNode

2017-04-20T11:19:54Z

Pet project to play with node
javascript
js
nodejs

SfdcHerokuConnect

2017-02-08T19:41:49Z

Pet project to demonstrate heroku connect (with SalesForce.com)
javascript
heroku
js

Cars

2016-12-19T00:20:18Z

Pet ptoject to find specific cars in the internet (yea, planning to buy one)
javascript
angularjs
js

tasks

2016-06-26T21:33:11Z

Manage project tasks
javascript
js
kanban

LearnRabbitMQ

2016-06-24T17:26:24Z

Pet project to play with RabbitMQ
javascript
js
nodejs
rabbitmq

LearnSocial

2016-04-22T04:10:46Z

Pet project to learn how to do auth with social apps
javascript
auth
js

LearnMongoose

2016-04-14T13:43:37Z

Pet project to learn Mongoose
javascript
js
mongo
orm

LearnPromisedMongo

2016-04-14T13:40:59Z

Pet projet to learn promised-mongo
javascript
js
mongo
orm

LearnMongo

2016-04-14T03:02:31Z

javascript
js
mongo

Check all the other projects on /pet-projects

Check all my resume at /resume