Vinicius Quaiato, Software Developer in São Paulo - State of São Paulo, Brazil
Vinicius Quaiato

Software Developer in São Paulo - State of São Paulo, Brazil

Member since October 6, 2011
A senior software engineer and tech lead, Vinicius has over a decade of software development experience, including with .NET and C#, Ruby and RoR, and functional languages like Elixir/Erlang, Clojure, and F#. He produces clean code, knows how to refactor efficiently, and has written a number of automated tests. He helps teams and products to achieve technical maturity.
Vinicius is now available for hire


  • Minha Vida
    C#, Python, MongoDB, Node.js, Cassandra
  • Nubank
    Clojure, Clojure Script, Docker, Kubernetes, Datomic, AWS
  • Lambda3
    .NET C#



São Paulo - State of São Paulo, Brazil



Preferred Environment

Git/GitHub, OS X, Terminal/Bash

The most amazing...

...product I've coded is Higgle, a totally new marketplace built on the premise of being a smart and social shopping experience.


  • Senior Software Engineer

    2014 - PRESENT
    Minha Vida
    • Supported and evolved Brazil's biggest healthcare portal. Maintained code in C# and developed a variety of features using technologies such as Python, Node.js, MongoDB, Cassandra, and new microservices.
    • Developed an entire new way of doing deploys for the team, using things like Slack to trigger deploys. Automated everything with Python/Flask, PowerShell, and bash scripts. Allowed any member of the team to push deploys and make things faster and more reliable.
    • Designed a new analytics solution to track all the interactions of users on our portals using Cassandra, Node.js, MongoDB, and Docker.
    Technologies: C#, Python, MongoDB, Node.js, Cassandra
  • Software Engineer

    2018 - 2019
    • Collaborated with the authorization team at the biggest fintech outside of Asia—one that has a credit card product used by more than 10 million people—leveraging high quality code to keep the business running and growing.
    • Contributed to services such as cell phone topup, authorization, and mobile back end for front end.
    Technologies: Clojure, Clojure Script, Docker, Kubernetes, Datomic, AWS
  • Senior Software Architect

    2015 - 2018
    • Led projects and teams at Lambda3, acting in different roles from tech pre-sales to architect, consultant, and mentor to other developers. My main focus at Lambda was always .NET and Microsoft technologies and stack, but I've always kept myself open to things like Elixir, Erlang, Clojure, Ruby, and Python.
    Technologies: .NET C#
  • Developer/Co-owner

    2011 - 2014
    Crafters Software Studio
    • Helped clients to understand theirs needs of technology to deliver software in a weekly basis process.
    • Designed startup needs on software.
    • Handled data and domain modeling to web applications.
    • Optimized queries and profiling of HTML load pages in order to speed up and improve user experience.
    • Tested and maintained system code coverage as high as possible in order to help future migrations, modifications, and changes.
    • Met with new clients and prospects.
    Technologies: Ruby/Rails, Groovy, .NET


  • Minha Vida (Development)

    The biggest health portal in Brazil.

  • (Development)

    Platform for a social buying experience built with Ruby on Rail, MongoDB, Redis and Sidekiq for background processing jobs. Amazon AWS hosted on Heroku.

  • Love Mondays (Development)

    A platform built to provide a simple way for employees to recognize the good and bad aspects of their employers - including writing reviews, ranking different aspects of the companies, etc.
    The platform was built on top of Rails and MongoDB, and was hosted on Heroku.

  • Mimob (Development)

    A tool built for real estate brokers using Rails, MongoDB and Heroku. The system used a matching tool to match client needs and real estate options to their criteria and present the solution to the brokers helping them to do business.


  • Languages

    Ruby, HTML5, C#, CSS3, TypeScript, Elixir, JavaScript, Clojure
  • Frameworks

    ASP.NET MVC, Ruby on Rails (RoR)
  • Paradigms

    Scrum, Agile Software Development, Test-driven Development (TDD), Microservices
  • Other

    Xamarin Forms, Domain-driven Design (DDD), System Architecture, types
  • Libraries/APIs

    REST APIs, Node.js, jQuery
  • Platforms

    Azure, MacOS, Kubernetes, Docker
  • Storage

    MongoDB, Microsoft SQL Server, MySQL, NoSQL, Redis


  • Technologist degree in Information Technology
    2009 - 2014
    IFSP - São Paulo, Brazil
  • Technical degree in Data Processing
    2006 - 2008
    Escola Técnica Estadual Jorge Street - São Caetano do Sul, São Paulo, Brazil

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