João T. - Senior Software Engineer

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Barcelona, Spain

Experience

Apr 2022 - Jun 2024

2 years 3 months

Barcelona, Spain

Senior Software Engineer

GoCo.io

Ruby on Rails development of a SaaS HR management app, focused mostly on the backend and also some QA automation, using GraphQL, PostgreSQL, Redis, RSpec and Cypress, deploying to Heroku
Led a team effort to upgrade Ruby and Rails versions, overcoming a key challenge by independently handling over 40% of the GraphQL refactoring
Significantly improved test coverage, developing and enhancing functional tests with Cypress, increasing overall coverage by over 30% in just six months

Nov 2020 - Dec 2021

1 year 2 months

Barcelona, Spain

Software Engineer

Sage / SageHR

Ruby on Rails development of a SaaS HR management app, mostly focused on developing well tested code in the backend with PostgreSQL, Redis, RSpec and also some frontend work with Vue and jQuery
Quickly ramped up into the role and while in the first 6 months beat the record for most bugs fixed in a sprint
Played a key role in refining specifications, bridging the gap between product management and the development team to ensure clear requirements and efficient implementation

Nov 2017 - May 2018

7 months

Senior Backend Developer

Zapptales

Backend development using RoR, PostgreSQL and Redis for a consumer web app, also responsible for some frontend work using AngularJS

Feb 2017 - Present

8 years 10 months

Ruby on Rails Teacher and Coach

Le Wagon

Taught Ruby on Rails and coached students in a 9-week full-stack bootcamp
Worked with over 200 students across 11 batches in 5 different countries

Nov 2015 - Apr 2017

1 year 6 months

Barcelona, Spain

Senior Backend Developer

Kantox

Backend development using RoR, MySQL, Redis and AWS for a financial web app, also responsible for some frontend work using Backbone and Ember

May 2014 - Oct 2015

1 year 6 months

Barcelona, Spain

Senior Backend Developer

Ztory

Backend development using RoR, PostgreSQL, Redis, MongoDB on Heroku for a mobile and web app
Integrated external systems such as Braintree, Segment, Mixpanel, Mailchimp, Iterable

Feb 2014 - Apr 2014

3 months

Dubai, United Arab Emirates

Senior Fullstack Developer

Amaris

Development of a workflow management system using PHP and JS (Sencha framework)

Nov 2013 - Feb 2014

4 months

Barcelona, Spain

Senior Backend Developer

SeQura

Development of an API-based Ruby on Rails system using TDD for credit analysis and transaction processing
Development of PHP modules for API integration with the main credit system
Deploying to Heroku

May 2013 - Oct 2013

6 months

Barcelona, Spain

Programmer

Rakuten.es

Backend coding using Ruby on Rails (Sidekiq, Capistrano), MySQL and Redis
Linux systems administration
In charge of the development and deployment of a middleware application to integrate Rakuten.es system with external APIs and other systems

Jul 2012 - May 2013

11 months

Barcelona, Spain

Programmer

Ares Development

Developing a responsive app for tablets using Ruby on Rails, MySQL, JQuery Mobile, node.js, Redis

Summary

Senior Backend Developer with a focus on Ruby on Rails, academic and analytical background and over 10 years of experience in building scalable SaaS applications.

Passionate about building digital products in teams leveraging modern tools and practices while balancing business needs, product vision and team wellbeing.