Jef Vlamings, Software Developer in Hoogstraten, Belgium
Jef Vlamings

Software Developer in Hoogstraten, Belgium

Member since August 18, 2022
Jef is a full-stack engineer with more than 10 years of professional experience in web development. He's worked on 50+ projects and solved complex business problems in industries including real estate, media, sports, eCommerce, food, and retail. Jef has consistently saved costs while increasing profits. He's ready for an opportunity to use his skills to grow your revenue exponentially.
Jef is now available for hire

Portfolio

  • Frontier
    Web Consulting, SEO Marketing, Paid Advertising, DevOps, APM, Ansible...
  • DPG Media
    Ruby, Ruby on Rails 4, Vagrant, Vim Text Editor, RSpec, Cucumber, HTML...
  • Omakase BV
    Ruby on Rails (RoR), XML, REST, JSON, Elasticsearch, APM, Capistrano...

Experience

Location

Hoogstraten, Belgium

Availability

Part-time

Preferred Environment

MacOS, Vim Text Editor, IntelliJ, Photoshop CC, Figma, Sketch, Oh My Zsh, Slack, Chrome, Sublime Text

The most amazing...

...thing I've developed is a web feed feature for a social network. The feed highlights information that includes profile changes, upcoming events, and birthdays.

Employment

  • Founder & CEO

    2017 - PRESENT
    Frontier
    • Digitally transformed local SMEs and boosted their total revenue.
    • Set up, configured, and managed a fleet of servers tailored to the customers' projects.
    • Developed and open-sourced an in-house CMS that is actively used in 20+ live projects.
    Technologies: Web Consulting, SEO Marketing, Paid Advertising, DevOps, APM, Ansible, Terraform, Docker, GitHub, Git, Slack, Figma, Sketch, Photoshop CC, Illustrator CC, Ruby, Ruby on Rails (RoR), REST, Ruby on Rails API, Vue, Ruby Gems, Postmark, Sidekiq, HTML, PHP, JavaScript, Technical Hiring, Code Review, Source Code Review, Task Analysis, Interviewing, CSS
  • Senior Ruby on Rails Engineer (Freelance)

    2019 - 2019
    DPG Media
    • Performed maintenance tasks on a tool used by all hosts on several national radio channels, e.g., QMusic, JoeFM, and Willy.
    • Modernized an existing Ruby on Rails codebase and increased test coverage.
    • Developed API endpoints to be consumed by native mobile apps.
    • Integrated a shared radio player widget on multiple broadcasting front ends.
    • Architected small interactive games to entertain a large audience.
    Technologies: Ruby, Ruby on Rails 4, Vagrant, Vim Text Editor, RSpec, Cucumber, HTML, JavaScript, Code Review, Source Code Review, Task Analysis, CSS
  • Technical Director

    2012 - 2019
    Omakase BV
    • Architected a community platform with social features like a web feed, discussion board, live chat, and job board.
    • Set up CI/CD pipelines and monitoring. Managed infrastructure and tuned a bare-metal server configuration to maximize performance.
    • Managed a team consisting of designers, front- and back-end developers, and freelancers.
    Technologies: Ruby on Rails (RoR), XML, REST, JSON, Elasticsearch, APM, Capistrano, CI/CD Pipelines, Amazon S3 (AWS S3), Amazon CloudFront CDN, DevOps, Technical Leadership, Sass, Redis, SSH, HTML, JavaScript, Technical Hiring, Code Review, Source Code Review, Task Analysis, Interviewing, CSS
  • Junior Full-stack Web Developer

    2012 - 2015
    Multimedium
    • Started with no professional background or education and quickly took the position as the lead front-end developer.
    • Build an asset management tool for a large supplier of dentistry products.
    • Launched audience engagement games on eCommerce websites with more than 10,000 entries.
    Technologies: PHP, CodeIgniter, WordPress, Less, JavaScript, BrowserStack, Litmus, Bootstrap, Backbone.js, jQuery, Craft CMS, Symphony, FTP, Subversion (SVN), CodeKit, Coda, NetBeans, HTML, Source Code Review, CSS

Experience

  • Community Platform for Field Hockey
    https://scorrd.com

    Built and launched the leading hockey network, a corporate venture with the world's largest sports retailer. I architected the platform and led a team of developers. The application was built as an SSR application with a fully featured API that served native mobile apps.

  • Etixx Sports eCommerce Platform
    https://etixxsports.com

    A Ruby on Rails-based web application that sells sports nutrition online and through local pharmacies.

    My role was to upgrade an existing web shop to become a platform with complex integrations including stock management, warehousing, fulfillment, third-party loyalty programs, and online payment providers.

    My contributions included:
    • Set up support for multiple locales and languages
    • Integrated third-party webhooks and APIs
    • Refactored the front end and implemented a reusable component library
    • Set up a custom-made CMS for eCommerce management
    • Set up notifications via websockets

Skills

  • Languages

    Ruby, HTML, JavaScript, CSS, PHP, CoffeeScript, Sass, Less, XML, Unicorn
  • Frameworks

    Ruby on Rails 5, Ruby on Rails (RoR), Ruby on Rails 4, Bootstrap, OAuth 2, Dropzone.js, Chrome, CodeIgniter
  • Other

    Technical Hiring, Code Review, Source Code Review, Task Analysis, Interviewing, Statistics, Physics, LiDAR, Innovation Labs, University Teaching, Coaching, Learnability, Presentations, Ruby Gems, CAPTCHA, Puma, Foreman, Symphony, FTP, CodeKit, APM, CI/CD Pipelines, Technical Leadership, SSH, Web Consulting, SEO Marketing, Paid Advertising, Postmark, SOAP
  • Tools

    IntelliJ, Sublime Text, GIS, Vagrant, Vim Text Editor, RSpec, Cucumber, Redactor, Mailchimp, Capistrano, Amazon CloudFront CDN, Photoshop CC, Figma, Sketch, Oh My Zsh, Slack, BrowserStack, Litmus, Subversion (SVN), Coda, Ansible, Terraform, GitHub, Git, Illustrator CC, Solr
  • Libraries/APIs

    jQuery, Highcharts, ImageMagick, Sidekiq, Slack API, Google Maps API, Google Analytics API, Backbone.js, Ruby on Rails API, Vue, SendGrid API
  • Paradigms

    Load Testing, REST, DevOps
  • Platforms

    DigitalOcean, New Relic, Phusion Passenger, MacOS, WordPress, Craft CMS, NetBeans, Docker
  • Storage

    Redis, Elasticsearch, Amazon S3 (AWS S3), JSON

Education

  • Master's Degree in Education
    2011 - 2012
    Universiteit Antwerpen - Antwerpen, Belgium
  • Master's Degree in Biology
    2009 - 2011
    Universiteit Antwerpen - Antwerpen, Belgium

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