Josue Calle
Cofounder & CTO at Flyboard
Lima, Lima, Peru
Summary
👤
Senior🎓
Top SchoolJosue Calle is a pragmatic founder and CTO with 11 years building mobile and backend systems, best known for co-founding TuRuta, whose Android and Flutter apps reached over 500k downloads and a 4.5 rating. He blends hands-on engineering (mobile, Node.js, Python), traffic and geospatial algorithms (map-matching, GTFS generation), and cloud cost optimization—once cutting location-processing costs by ~90% via a serverless and BigQuery migration. A former ICPC World Finalist, he pairs competitive programming roots with product-focused system design, having implemented real-time vehicle ETA, location-based alarms, and scalable location-processing pipelines. Based in Lima, he consistently moves between deep technical work and startup strategy, and is an avid learner who explores blockchain, languages, and business models in his spare time.
11 years of coding experience
11 years of employment as a software developer
Dropout Software Engineering, Dropout Software Engineering at National University of Engineering
Spanish, English
Stackoverflow
803reputation
79kreached
21answers
8questions
Github Skills (200)
mobile-development10
windows10
firebase10
solidity10
flutter-plugin10
app-framework10
skiasharp10
skia10
dart10
smooth-scrolling10
cloud-api10
image-loading10
cross-platform10
android-library10
google10
Programming languages (15)
Github contributions (5)
j05u3/fenwick-tree-redis
Sep 2019 - Aug 2023
Fenwick Tree (a.k.a. Binary Indexed Tree) using typescript+redis
Contributions:29 PRs, 42 pushes, 6 branches in 3 years 11 months
indexedredisfenwick-treebinary-indexed-treefenwick
j05u3/chats_manager
Oct 2022 - Feb 2023
Contributions:35 commits, 46 pushes, 1 branch in 4 months
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