Dan Karran
Full Stack Geo & Web Development Consultant (director) at Geobits
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDan Karran is a seasoned full-stack geo and web development consultant with 19 years’ experience building spatially-aware applications and platforms from prototype to production. As director of Geobits and former lead developer at Clearwater Dynamics, he has delivered vessel-tracking big data systems, Insurtech solutions, and bespoke Laravel and Drupal applications that integrate PostGIS, Leaflet and cloud services. He combines backend depth (PHP, Rails, Postgres/PostGIS) with frontend fluency (Vue, Leaflet, responsive UI) and a track record of operationalising satellite and AIS data for commercial analytics. An active contributor to the OpenStreetMap website’s backend, he’s added RSS, microformats and account/notification improvements to a globally used Rails project. With an MSc in Geographic Information Science and practical experience creating QGIS templates, REST APIs and mobile map apps, he translates complex geospatial requirements into pragmatic, reusable systems. Based in London, he blends consultancy pragmatism with hands-on engineering to help organisations extract real-world value from spatial data.
19 years of coding experience
20 years of employment as a software developer
BSc, Computing and Geography, 2:i, BSc, Computing and Geography, 2:i at The University of ManchesterCastle Rushen High SchoolMSc, Geographic Information Science, Distinction, MSc, Geographic Information Science, Distinction at University College London, U. of London
Stackoverflow
1reputation
0reached
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Github Skills (10)
rss10
ruby-rails10
rails10
ruby10
geolocation9
api8
rails-app8
apidoc8
database7
databases7
Programming languages (5)
Github contributions (5)
openstreetmap/openstreetmap-website
Jun 2007 - Oct 2014
The Rails application that powers OpenStreetMap
Role in this project:
Back-end Developer
Back-end DeveloperContributions:48 commits, 9 comments, 2 issues in 7 years 6 months
Contributions summary:Dan focused on enhancing the OpenStreetMap website's back-end functionality. Their contributions included modifications to user account management, message notifications, and diary entry features. Furthermore, they implemented RSS feeds for diary entries and trace information, as well as added microformat data to enable geo-location data integration. These changes involved modifications to controllers, models, and views within the Rails application.
railsrails-applicationpowersrubyopenstreetmap
dankarran/isleofman-opendata
Mar 2024 - Apr 2025
Contributions:179 pushes, 1 branch, 5 comments in 1 year
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