Alex VKO, Developer in Montreal, QC, Canada
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Alex VKO

Verified Expert  in Engineering

AWS Certified Developer Developer

Location
Montreal, QC, Canada
Toptal Member Since
February 29, 2020

Alex is a passionate technologist and successful startup executive with nine years of professional experience in engineering. As a business-minded and nerd tech guy, he likes to architect and deliver high-quality implementation that meets business needs. He has worked with banks and mortgage institutions, advised CTOs, led software and data science teams, and consistently delivered high-performing client projects.

Back-endSoftware DevelopmentCSSRSpecUnit TestingRuby on Rails (RoR)JavaScriptSQLPostgreSQLRubyBootstrapTest-driven Development (TDD)SidekiqRedisRails EnginesTest Software EngineeringAWSPhoenix

Portfolio

Nestready
Docker, Google Cloud Platform (GCP), React, Elixir, Python, Ruby, SQL...
Toptal
Python, Google Cloud, Ruby on Rails (RoR), Ruby, SQL...
VanHach
Amazon Web Services (AWS), React, C#, SQL, Test-driven Development (TDD)...

Experience

Ruby on Rails (RoR) - 9 yearsElasticsearch - 6 yearsDocker - 4 yearsAWS Certified Developer - 4 yearsReact - 4 yearsPhoenix - 3 yearsElixir - 3 yearsKubernetes - 2 years

Availability

Part-time

Preferred Environment

Slack, MacOS, GitHub, Vim Text Editor, Redis, Test-driven Development (TDD), Ruby Gems, PostgreSQL

The most amazing...

...and fun thing that I've developed is an entire CI platform called ruby.ci. I created everything from infrastructure to the front end.

Work Experience

Back-end Team Lead, Engineering Manager, CTO

2019 - 2021
Nestready
  • Built an ETL for a real state company, with several services in Elixir and Ruby.
  • Created white-label applications for banks and mortgage institutions that use Rails as the API and React on the front end.
  • Led software engineers, designers, and data science teams.
  • Built services using Elixir, Phoenix, and Rails engines.
Technologies: Docker, Google Cloud Platform (GCP), React, Elixir, Python, Ruby, SQL, Test-driven Development (TDD), Sidekiq, PostgreSQL, Bootstrap, Webpack, Ruby on Rails (RoR), JavaScript, CSS, Next.js

Team Lead

2018 - 2019
Toptal
  • Led a team of highly skilled software engineers.
  • Developed applications in Python and Ruby.
  • Improved background processing performance.
  • Created a distributed automated test runner.
Technologies: Python, Google Cloud, Ruby on Rails (RoR), Ruby, SQL, Test-driven Development (TDD), Sidekiq, PostgreSQL, Webpack, JavaScript, CSS

Technical Advisor

2018 - 2018
VanHach
  • Worked with the CTO to improve processes and introduce better and newer technologies.
Technologies: Amazon Web Services (AWS), React, C#, SQL, Test-driven Development (TDD), PostgreSQL, Webpack, Ruby on Rails (RoR), JavaScript, CSS

Developer, Team Lead, CTO, Technical Advisor

2017 - 2018
Spocket
  • Participated in Techstars Seattle.
  • Built an API using Rails which communicated with several third-party APIs.
  • Built the front end using React and Redux.
Technologies: Amazon Web Services (AWS), React, Ruby on Rails (RoR), Ruby, SQL, Test-driven Development (TDD), Sidekiq, PostgreSQL, Bootstrap, Webpack, JavaScript, CSS

Software Engineer

2015 - 2017
Freelancer
  • Freelanced in Brazil, Canada, and the USA.
  • Developed the back end with Ruby, Python, and Node.
  • Used Angular and React for front-end development.
Technologies: Amazon Web Services (AWS), Linux, Ruby, PHP, SQL, Test-driven Development (TDD), Sidekiq, PostgreSQL, Webpack, Ruby on Rails (RoR), JavaScript, CSS

Software Engineer

2015 - 2017
ThisOpenSpace
  • Developed the front end using React.
  • Developed the API with Ruby on Rails.
Technologies: Amazon Web Services (AWS), React, Ruby on Rails (RoR), Ruby, SQL, Test-driven Development (TDD), PostgreSQL, Webpack, JavaScript, CSS

NeoVIM Configuration

https://github.com/AlexVKO/VimKO
This is a very advanced Neovim configuration for full-stack developers and operations. Neovim is a code editor for hackers.

Languages

HTML, SQL, Ruby, GraphQL, HTML5, JavaScript, CSS, Elixir, Python, C#, PHP, Python 2, Python 3

Frameworks

Ruby on Rails (RoR), Ruby on Rails 3, Ruby on Rails 4, Ruby on Rails 5, Redux, Bootstrap, Phoenix, Express.js, Next.js

Libraries/APIs

React, Rails Engines, Ruby on Rails API, React Redux, Sidekiq, Node.js, Shopify API

Tools

Vim Text Editor, Git, Webpack, RSpec, GitHub, Slack

Paradigms

Testing, REST, Functional Programming, Object-oriented Programming (OOP), Agile, Unit Testing, Test-driven Development (TDD)

Platforms

Heroku, Amazon Web Services (AWS), Docker, Kubernetes, Google Cloud Platform (GCP), Shopify, MacOS, Linux, Twilio

Storage

PostgreSQL, Redis, JSON, MongoDB, Elasticsearch, Google Cloud

Other

Back-end, Team Leadership, Technical Leadership, Leadership Development, AWS Certified Developer, Customer.io, APIs, Apollo, Architecture, Software Development, Ruby Gems, Concurrent Computing, WebSockets

DECEMBER 2017 - DECEMBER 2020

AWS Certified Developers

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