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

9 years

typescript

8 years

Golang

8 years

Kotlin

8 years

Groovy

14 years

Experience

Senior Software Engineer

UpKeep - Sep 2024 - Current (11 months)

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

Projects:

Scheduler AI

New experience to schedule work orders

nodejs, typescript, aws, k8s, ai, chatgpt, elasticsearch

Platform

Growing pains, scalability issues, memory leak detection

nodejs, typescript, aws, k8s

Senior Software Engineer

Hotel Engine - Aug 2023 - Aug 2024 (about 1 year)

Backend/infra engineer

Projects:

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 - May 2023 - Aug 2023 (3 months)

Backend Architect

Projects:

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 - Oct 2022 - Feb 2023 (4 months)

Crypto / Financial startup

Projects:

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 - Oct 2022 - Feb 2023 (4 months)

Node engineer

Projects:

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 - Mar 2022 - Oct 2022 (7 months)

Node engineer

Projects:

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 - Jan 2021 - Mar 2022 (about 1 year)

Go/Node engineer

Projects:

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 - Oct 2019 - Dec 2020 (about 1 year)

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

Projects:

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 - Mar 2019 - Oct 2019 (7 months)

Logistics systems

Projects:

Operational Excellence

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

java, spring, postgres, aws, golang, react

Senior Software Engineer

Zenvia - Apr 2017 - Mar 2019 (almost 2 years)

Working with bigdata, microservice, data science building chatbots

Projects:

Chatbots

product for end user

java, spring, postgres, aws, nodejs, typescript, mongo, big data, scala, golang, kotlin, vue, kubernetes

Technical Lead

ilegra providing services to AGCO - Sep 2015 - Dec 2016 (about 1 year)

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

Projects:

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

Software Development Advisor (Services)

Dell Technologies - Mar 2013 - Sep 2015 (over 2 years)

Tech Lead in a global app. Using JavaEE

Projects:

Atlas

Mailer. Send emails based on rules/triggers/filters/templates/subscriptions

JavaEE, Oracle, ESB

Previous companies were omitted here

Other Technologies

Mysql (25 years), Postgres (25 years), CSS (25 years), HTML (25 years), Java (20 years), Scala (9 years), RabbitMQ (9 years), AWS (9 years), Mongo (9 years), Redis (9 years), Angularjs (9 years), Docker (9 years), Git/Github (9 years), Graphql (9 years), Kafka (8 years), Kubernetes (8 years), AI (8 years), SQS (6 years), Terraform (6 years), Dynamodb (4 years), Elastic Search (4 years), Next.js (4 years), React (4 years), Nest.js (3 years), Tailwind (2 years), ChatGPT (335 days)

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