Glenn Jones, Software Developer in The Hague, Netherlands
Glenn Jones

Software Developer in The Hague, Netherlands

Member since December 30, 2019
Glenn is a driven, independent, and curious software developer with strong communication skills. Since 2015, he's been working on mission-critical aspects of Ruby applications in production environments, predominantly public APIs and payment systems for eCommerce applications. He is fascinated by and passionate about building highly resilient and fault-tolerant systems.
Glenn is now available for hire

Portfolio

Experience

Location

The Hague, Netherlands

Availability

Part-time

Preferred Environment

Git, Vim Text Editor, Terminal, MacOS

The most amazing...

...thing I've developed is an app scanning 33+ million real estate lots and combining them with big datasets to uncover development opportunities.

Employment

  • Full-stack Developer

    2016 - PRESENT
    Nebulae2016 B.V. | Subcontracted to a Digital Agency
    • Expanded an existing eCommerce application to eight countries. Migrated local databases to highly available centralized cloudSQL without any downtime using AWS Database Migration Service.
    • Implemented multivariate testing code and the resulting solution. Resulted in a revenue increase of +37%.
    • Migrated a legacy Rails application that was unable to be updated due to broken dependencies to to a Docker-based deployment solution, allowing for gradual updating of dependencies.
    • Improved test coverage by 625%, leading to improved deployment trust.
    • Designed and built a proof-of-concept multi-tenant Kubernetes cluster.
    Technologies: Git, Redis, MySQL, PostgreSQL, Ruby on Rails (RoR), Ruby
  • CTO (Contract)

    2016 - PRESENT
    Les Mots S.A.S
    • Developed the complete back end, enabling thousands of students to enroll to hundreds of classes, onsite and remotely.
    • Designed and implemented a payment system using Stripe (one-time payments, recurring payments), processing more than €1 million in revenue, and having no outages since first going live.
    • Designed and implemented the invoicing infrastructure, generating and sending thousands of invoices.
    • Set up infrastructure supporting a continuous deployment pipeline, achieving a deploy time of less than two minutes including the ability to roll back.
    Technologies: Docker, Redis, Memcached, PostgreSQL, Vue, Ruby on Rails (RoR), Ruby

Experience

  • Web Application Enabling Physical and Distance Classes for a New Academy of Writers
    https://lesmots.co

    Ruby on Rails based application for the complete front-to-end digital aspect of a new school for writers. In the role of CTO and full-stack developer, I developed the application, working together with a designer. The solution involved developing several publicly accessible APIs, an extensive payment system, and a system of booking classes.

Skills

  • Frameworks

    Ruby on Rails (RoR)
  • Paradigms

    DevOps, Test-driven Development (TDD), Agile Software Development, REST, Kanban, Scrum
  • Languages

    Ruby, JavaScript, SQL, Go
  • Libraries/APIs

    Vue, Stripe, ImageMagick
  • Tools

    Git, RSpec, Terminal, Vim Text Editor
  • Platforms

    Docker, Google Cloud Platform (GCP), Heroku, MacOS, Kubernetes
  • Storage

    PostgreSQL, Memcached, Redis, MySQL, Elasticsearch
  • Other

    APIs, HTTP

Education

  • Master's Degree in Management of the Built Environment
    2017 - 2019
    TU Delft - Delft, Netherlands
  • Bachelor's Degree in Architecture
    2012 - 2015
    TU Delft - Delft, Netherlands

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