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Working History

This is the list of companies for which I have worked for in the last couple of years.

Bitvavo​

Full-time · Amsterdam, Netherlands · 3 yrs

  • Senior Mobile Engineer

    May 2022 - Present

    Mainly contributing to the Bitvavo mobile application for Android and iOS using React Native, but also working on the back-end distributed systems using Kafka and NestJS.

Kramp Hub​

Full-time · Utrecht, Netherlands · 3 yrs

  • Mobile Engineer

    Oct 2020 - Apr 2022 · 1 yr 7 mos

    Development of the Kramp App, the app helps Kramp dealers in their day-to-day business by making it easier to find products and the contents of a delivery.

    Technologies: React Native, TypeScript, GraphQL, Apollo Client/Server, Firebase, Jest, Bitrise & AppCenter.

    Main responsibilities:

    • Code reviewing, mentoring & releasing to the Play Store & App Store.
    • Keep technology packages up to date/frequent updates to the latest React Native versions.
    • Interviewing new developers.
    • Integrating/proposing new ideas for the app.
    • Maintain and update the CI/CD.

    Technical milestones:

    • Successfully upgraded the React Native version of the app multiple times.
    • Removing almost 100% of an old rest service to use fully GraphQL.
    • I managed to reduce the build times of the CI/CD: Find an article I wrote about it here.
    Kramp AppKramp App

  • Front-end Engineer (Web)

    May 2019 - Oct 2020 · 1 yr 6 mos

    Greenfield project. Working on the new webshop https://www.kramp.com for the one-stop supplier of spare parts, technical services and business solutions, biggest in Europe.

    Technologies: React, TypeScript, Node.js, GraphQL, Apollo Client/Server, Storybook, Jest and NextJS.

TEAM International​

Front End Engineer (Mobile & Web) · Full-time · Medellín, Colombia · 10 mos

Aug 2018 - May 2019

Development of the Arrive Logistics projects. Creation of the first mobile app "Driver Mobile App" for Arrive Logistics from scratch. I also built new modules on the web application.

Technologies:

  • Driver Mobile App: React Native, GraphQL, Apollo, Node.js (Express) and Jest.
  • Web Applications: React.js, GraphQL, Apollo, Jest, Sass, Webpack and HTML5.
  • Other tools: Git, VSTS.

Arrive Logistics

Dvdendo​

Mobile Engineer Consultant · Contract · Remote · 7 mos

Sep 2018 - Mar 2019

With Dvdendo, you can own a piece of the world's greatest companies with just $5.

Android, Instagram, Crunchbase.

Introducing the new team based in Argentina to get involved with the project, supporting and implementing new features for the mobile application and guiding them generating new ideas about the upcoming implementations. Development on React Native.

Technologies: React Native, Detox, Jest, Firebase and Bitrise.

Main responsabilities:

  • Mentoring and transferring knowledge to a new development team.
  • Refactoring old services.
  • Giving ideas for new technology updates.

Dvdendo

Integ.ro​

Mobile & Web Engineer · Full-time · Medellín, Colombia · 1 yr 5 mos

Apr 2017 - Aug 2018

Working on web and hybrid mobile apps. I worked on two projects, one for the healthcare sector and another for the investment sector.

  • Sicor: Implementing some features for the web application for the Healthcare sector.
  • Dvdendo: Development of the mobile application (Android and iOS) for the investment sector.

Web App: React, Node.js, Sass.

Mobile Application: React Native, Detox, Jest, Firebase and Bitrise.

Milestones:

  • I successfully did my first React Native migration from v0.39 to v0.50.

Main responsabilities:

  • Building new features for the app in Android & iOS for Dvdendo.
  • Updating React Native version for Dvdendo.
  • Writing new end-to-end tests with Detox for Dvdendo.
  • Building new features for the Sicore web application.
  • Integrating some services in the Sicore backend.

Servicio Nacional de Aprendizaje (SENA)​

Teacher · Part-time · Medellín, Colombia · 1 yr 1 mos

Mar 2017 - Mar 2018

I was in charge of teaching all about the software development process (mostly focused on web applications) teaching from scratch JavaScript, HTML, CSS and algorithms.

Main responsabilites:

  • Teaching JavaScript basics.
  • I taught them how to build a very basic game with JavaScript using plain HTML, CSS & JS.

Milestones:

  • I introduced my students to LinkedIn and I taught them how to use the platform and how to build a good profile in order to find Software Engineering jobs.

Web Evolution​

Full-Stack Engineer · Full-time · Medellín, Colombia · 2 yrs

May 2015 - Apr 2017

Full-Stack Software Engineer at Web Evolution, development real-time connection projects. Projects for production, marketing and law companies. Applications highly focused on front-end and plentiful UX.

Front-end and back-end integration using mostly JavaScript technologies.

Main responsabilities:

  • Building user Interfaces using Angular v1.x and Angular v2.
  • Creating back-end services using Node.js (Express Framework) with MongoDB. Also, a lot of small projects using PHP (Yii Framework) with MySQL.
  • Integrating client side and server side through RESTful APIs.

Technologies: Angular v1/v2, Node.js, Express, MongoDB, MySQL, Nodemon, NPM, Git, Gulp, Bootstrap v3/v4, jQuery, Mocha, TypeScript and WebRTC.

Milestones:

  • This was my first software engineering job, and I managed to build full-stack applications and learnt a lot of technologies building projects for very small local companies in Medellín, Colombia.