Dalton Pinto, Developer in Visby, Sweden
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Dalton Pinto

Verified Expert  in Engineering

Bio

Dalton has founded a successful startup and has worked as a team leader, consultant, and developer. He's earned a master's degree in mathematics where he pursued distinct challenges. Dalton is now working for a rapidly growing Brazilian fintech and is now taking on interesting projects.

Portfolio

Pagar.me
Node.js, JavaScript, Architecture, Go, Back-end, REST APIs, PostgreSQL...
Toptal
JavaScript, Ruby on Rails (RoR), GraphQL, REST APIs, PostgreSQL, Concurrency...
Classpert
Ruby on Rails (RoR), JavaScript, Node.js, PostgreSQL, PostgREST, Redis, Heroku...

Experience

  • Ruby on Rails (RoR) - 10 years
  • Ruby - 10 years
  • PostgreSQL - 10 years
  • JavaScript - 10 years
  • Redis - 6 years
  • Docker - 5 years
  • Node.js - 4 years
  • Payment Gateways - 2 years

Availability

Full-time

Preferred Environment

Git, Docker, MacOS, Linux

The most amazing...

...projects I've worked on were as a founder of Quero Education (YC S16) and helping build a fintech with a 30% market share of the Brazilian payment market.

Work Experience

Software Architect

2016 - PRESENT
Pagar.me
  • Optimized intensive database operations on PostgreSQL.
  • Developed their core payments API and its integrations.
  • Created integrations with a payment acquirer, as a software architect.
  • Scaled up their ledger systems to be capable of processing millions of wallets.
Technologies: Node.js, JavaScript, Architecture, Go, Back-end, REST APIs, PostgreSQL, Concurrency, Scalable Web Services, TypeScript, Terraform, Amazon Web Services (AWS), Python

Senior Back-end Engineer

2020 - 2022
Toptal
  • Helped extract billing-related GraphQL endpoints from monolith architecture to another service.
  • Managed a custom federated GraphQL service that allowed us to move from monolith architecture to an SOA.
  • Handled many distinct services owned by our team, such as email tracking, API gateway, and others.
Technologies: JavaScript, Ruby on Rails (RoR), GraphQL, REST APIs, PostgreSQL, Concurrency, Scalable Web Services, Amazon Web Services (AWS), Full-stack, Stripe

Co-founder, CTO

2018 - 2020
Classpert
  • Co-founded the company since its first day when we had only three people.
  • Built the index of courses that were extracted from crawling partners. At the time, we had around 100,000 courses listed in many distinct languages.
  • Integrated our system with affiliate programs such as Rakuten and AWIN.
Technologies: Ruby on Rails (RoR), JavaScript, Node.js, PostgreSQL, PostgREST, Redis, Heroku, Elastic

Founder

2007 - 2014
Quero Bolsa
  • Conducted development work on all the main projects and its pivots since day one.
  • Structured and handled all the scrapped Brazilian university data so that it could be usable.
  • Created a customer relationship service with the phone for our call center using Asterisk.
  • Collaborated in almost everything tech-related, from designing our internal network to supporting a low-jitter connection.
Technologies: Ruby on Rails (RoR), Ruby, Architecture, Back-end, REST APIs, PostgreSQL, Scalable Web Services, Amazon Web Services (AWS), Full-stack

Tech Lead

2012 - 2013
Codeminer 42
  • Led a few development teams.
  • Designed the architecture of a few new projects.
  • Developed a recommender system.
  • Solved problems that were related to statistics hypothesis tests on rare events.
Technologies: JavaScript, Ruby, Ruby on Rails (RoR), Back-end, REST APIs, PostgreSQL, Concurrency, Scalable Web Services, Amazon Web Services (AWS), Full-stack

Experience

Pagar.me Ruby Client

http://github.com/dalthon/pagarme-ruby
A Ruby client for Pagar.me PSP.

Manatee

https://github.com/akidog/manatee
A project that allows the use of JavaScript renderers inside Ruby web applications.

This project runs JavaScript inside a Ruby environment—allowing a server-side rendering with JavaScript on Ruby web applications.

Education

2015 - 2017

Master's Degree in Pure and Applied Mathematics

Universidade Federal do ABC | UFABC - São Paulo, Brazil

2007 - 2011

Bachelor's Degree in Computer Engineering

Technological Institute of Aeronautics | ITA - São Paulo, Brazil

Skills

Libraries/APIs

REST APIs, Node.js, Rails Engines, Stripe, PostgREST

Tools

Git, RSpec, Docker Hub, Vagrant, Terraform, Elastic

Languages

Ruby, JavaScript, GraphQL, CoffeeScript, TypeScript, Go, Python

Frameworks

Ruby on Rails (RoR), Express.js, minitest

Paradigms

Agile, Behavior-driven Development (BDD), Test-driven Development (TDD)

Platforms

Docker, Apache Kafka, MacOS, Linux, Amazon Web Services (AWS), Heroku

Storage

Redis, PostgreSQL, MySQL, MongoDB

Other

Payment Gateways, APIs, Back-end, Concurrency, Scalable Web Services, Software Architecture, Architecture, Full-stack, Computer Engineering, Probability Theory

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