Jacob Fielding
Co-Founder - CTO at Jaguar Land Rover
Portland, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolJacob Fielding is a tech-savvy founder and CTO with a decade of experience building end-to-end mobile and web products from concept to production. Based in Portland, he co-founded Rallista and leads its technology direction while also serving as a Senior iOS Engineer for Jaguar Land Rover, blending startup agility with enterprise-grade engineering. His background in mechanical engineering and years building data-heavy, AWS-hosted web apps and enterprise iOS field tools at Air Sciences give him a practical edge in data analysis, mapping, and quality assurance. Jacob pairs hands-on development with small-business IT management and product testing discipline, and his entrepreneurial track record includes launching and running multiple companies. Not obvious from the title: he routinely bridges hardware-adjacent air quality measurement workflows and modern mobile UX, bringing domain knowledge to complex, instrumented applications.
10 years of coding experience
6 years of employment as a software developer
Bachelor of Science Mechanical Engineering, Bachelor of Science Mechanical Engineering at Colorado School of Mines
Stackoverflow
862reputation
605kreached
11answers
2questions
realm
top-5%
Github Skills (60)
mapbox-ios-sdk10
openstreetmap10
lz410
objective-c10
ios10
traveling-salesman10
directions10
dijkstra10
mapbox-gl10
compression-algorithm10
vector-tiles10
map-matching10
astar10
android10
compression10
Programming languages (8)
Github contributions (5)
Rallista/mapbox-navigation-ios
Mar 2023 - May 2024
The last MIT/ISC mapbox navigation for iOS
Contributions:4 releases, 16 PRs, 11 pushes in 1 year 2 months
Rallista/ferrostar
Oct 2023 - Mar 2025
A FOSS navigation SDK built from the ground up for the future
Contributions:5 reviews, 4 PRs, 126 pushes in 1 year 4 months
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