Jef Vlamings
Verified Expert in Engineering
Software Developer
Hoogstraten, Belgium
Toptal 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.
Portfolio
Experience
Availability
Preferred Environment
MacOS, Vim Text Editor, IntelliJ IDEA, Photoshop CC, Figma, Sketch, Oh My Zsh, Slack, Chrome, Sublime Text
The most amazing...
...thing I've developed is a real-time tracking platform for a taxi company. GPS data is collected and streamed via WebSockets on an interactive map.
Work Experience
Senior Full-stack Engineer
Cipal Schaubroeck
- Switched an existing application to a different stack. One of the tasks involved a migration from PostgreSQL to MySQL.
- Changed deployment flow from Capistrano to Docker deployments using Jenkins.
- Integrated local print services to print documents in batches.
Founder & CEO
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.
Senior Ruby on Rails Engineer (Freelance)
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.
Technical Director
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.
Junior Full-stack Web Developer
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.
Experience
Community Platform for Field Hockey
https://scorrd.comEtixx Sports eCommerce Platform
https://etixxsports.comMy 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
Education
Master's Degree in Education
Universiteit Antwerpen - Antwerpen, Belgium
Master's Degree in Biology
Universiteit Antwerpen - Antwerpen, Belgium
Skills
Libraries/APIs
jQuery, Highcharts, ImageMagick, Sidekiq, Slack API, Google Maps Development, Google Analytics, Backbone.js, Offshore Ruby on Rails Development, Vue.js, SendGrid API, React.js, React Redux Form
Tools
IntelliJ IDEA, Sublime Text, GIS, Vagrant, Vim Text Editor, RSpec, Cucumber, Redactor, MailChimp Development, Capistrano, AWS, Photoshop, Figma, Sketch, Oh My Zsh, Slack Development, BrowserStack, Litmus, Subversion (SVN), Coda, Ansible, Terraform, GitHub, Git, Adobe Illustrator, Solr, Jenkins, Git, Postman
Languages
Ruby, HTML, JavaScript, CSS, PHP, CoffeeScript, Sass, Less, XML, Unicorn
Frameworks
Ruby on Rails, Ruby on Rails, Ruby on Rails, Bootstrap, OAuth, Dropzone.js, Chrome, CodeIgniter, Redux, Swagger
Paradigms
Load Testing, REST, DevOps
Platforms
DigitalOcean, New Relic, Phusion Passenger, MacOS, WordPress Development, Craft CMS, NetBeans, Docker, Nexus
Storage
Redis, Elasticsearch, Amazon S3, JSON
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, Paid Advertising, Postmark, SOAP
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