Marcelo Adamatti Portfolio

Summary

Senior backend software engineer with +25 yrs experience, with experience with APIs, event processing and infra
I worked in the last 10 years as tech lead, working in all the SDLC. Also have management experience
Public speaker, tech youtuber, talking about leadership, tests/quality, microservices/architecture, languages and tools
English level C2 - did the latest test at June 2020

Main Tech Skills

There are a lot of technologies that I still haven't the opportunity to work with professionally (e.g. clojure, elixir).
Those are the main ones that I am proficient and love to work with:

javascript

10 years

typescript

8 years

Golang

8 years

Experience

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

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

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

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

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

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

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

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

Engineering Lead

Creditas - 2019 - 2020

As Engineering lead, I was responsible for technical, process (agility), product/business (together with product manager) and people (e.g. 1:1s, performance review). I was in charge of 3 teams at same time

Documents

document validations

kotlin, microservices, aws, java

Limits

Cash limit control for new products, e.g. benefits card

kotlin, microservices, aws, cqrs, java

Risk

Credit risk and rule engine where business could define rules for different loans

kotlin, microservices, aws, bpm, camunda, java

Trust

Fraud prevention, integration with partners

kotlin, microservices, aws, java

Pricing

Price and tax configurations, calculations and simulations - business rule engine for price analysts

kotlin, microservices, aws, java

Senior Software Engineer / Tech Lead

iFood - 2019

Logistics systems

Operational Excellence

Ops Automation - custom logic to manage things that could impact the delivery, e.g. flooding, parades

java, spring, postgres, aws, golang, react

Previous companies were omitted here

Other Technologies

Mysql (26 years), Postgres (26 years), CSS (26 years), HTML (26 years), Java (21 years), Groovy (15 years), Scala (10 years), RabbitMQ (10 years), AWS (10 years), Mongo (10 years), Redis (10 years), Angularjs (10 years), Docker (10 years), Git/Github (10 years), Graphql (10 years), Kotlin (8 years), Kafka (8 years), Kubernetes (8 years), AI (8 years), SQS (6 years), Terraform (6 years), Dynamodb (5 years), Elastic Search (5 years), Next.js (5 years), React (5 years), Nest.js (3 years), Tailwind (3 years), ChatGPT (1 year), Cursor (1 year)

Education

Facensa: Information Technology, Software, Project

Thesis: code generator tool for java using several frameworks (e.g. hibernate, iBatis, prevayler, jsf, laszlo, thinlet).
code.google.com/p/fumigant