Sean Rennie is a pragmatic senior full-stack engineer with 8 years' experience building high-performance web applications and geospatial tooling, currently developing internal evaluation tools for embodied AI at Wayve. He brings deep spatial-domain expertise from roles at Sensat—building Node.js processing pipelines and Three.js/OpenLayers visualisations—and a hands-on background in applied geology that informs his data-first approach. A founder of an agritech startup and former frontend engineer at Hummingbird, he blends product-minded engineering with field-tested problem solving. Known as a geospatial tinkerer on GitHub, he focuses on performance, practical systems, and making complex spatial data accessible to teams building real-world autonomous systems.
8 years of coding experience
8 years of employment as a software developer
Web Development Immersive, Fullstack Web Development, Web Development Immersive, Fullstack Web Development at General Assembly
Bachelor of Science (Hons), Geology, Bachelor of Science (Hons), Geology at University of Cape Town
IEB National Senior Certificate, High School Senior Certificate, IEB National Senior Certificate, High School Senior Certificate at Michaelhouse
Build Front-end Webapplications from scratch intensive, Front-end Web development, Build Front-end Webapplications from scratch intensive, Front-end Web development at Codecademy
Wrapper around Leaflet.Vectorgrid for displaying vector tiles on a Leaflet map
Contributions:3 reviews, 2 PRs, 2 branches in 1 year 10 months
leafletreact-leafletmapvectorleaflet-map
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