Josue Calle
Cofounder & CTO at TuRuta Inc.
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 (192)
mobile-development10
windows10
whatsapp-cloud-api10
firebase10
flutter-plugin10
app-framework10
location10
skia10
dart10
smooth-scrolling10
image-loading10
cross-platform10
google10
android10
mobile10
Programming languages (15)
Github contributions (5)
j05u3/chats_manager
Oct 2022 - Feb 2023
Display and manage your Whatsapp Cloud API chats.
Contributions:35 commits, 49 pushes, 1 branch in 4 months
whatsapp-cloud-apichat-clientfirestoreflutterwhatsapp
j05u3/whatsapp-cloud-api
Sep 2022 - Feb 2023
Node.js library for creating bots and sending/receiving messages using the Whatsapp Cloud API
Contributions:15 commits, 1 PR, 13 pushes in 4 months
nodejs-librarywhatsapp-cloud-apiapibot-apinodejs
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