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Hi, I’m Saul Vargas, a senior mobile engineer with 7+ years of hands-on experience delivering production apps across Flutter, iOS, and Android. I’ve shipped 11+ apps to the App Store, led mobile teams of up to 7 engineers, and built a social platform that grew to 80K+ MAU before acquisition. Most recently I shipped a real-time AI voice calling app using the ElevenLabs SDK. I also bring full-stack capabilities in Angular, React, TypeScript, Node.js, and Python, with experience deploying on AWS, GCP, and Azure.…Hi, I’m Saul Vargas, a senior mobile engineer with 7+ years of hands-on experience delivering production apps across Flutter, iOS, and Android. I’ve shipped 11+ apps to the App Store, led mobile teams of up to 7 engineers, and built a social platform that grew to 80K+ MAU before acquisition. Most recently I shipped a real-time AI voice calling app using the ElevenLabs SDK. I also bring full-stack capabilities in Angular, React, TypeScript, Node.js, and Python, with experience deploying on AWS, GCP, and Azure.

Viviana Hurtado

App Developer, Full Stack Developer, Back-End Developer, +2

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Hi, I’m Saul Vargas, a senior mobile engineer with 7+ years of hands-on experience delivering production apps across Flutter, iOS, and Android. I’ve shipped 11+ apps to the App Store, led mobile teams of up to 7 engineers, and built a social platform that grew to 80K+ MAU before acquisition. Most recently I shipped a real-time AI voice calling app using the ElevenLabs SDK. I also bring full-stack capabilities in Angular, React, TypeScript, Node.js, and Python, with experience deploying on AWS, GCP, and Azure.…Hi, I’m Saul Vargas, a senior mobile engineer with 7+ years of hands-on experience delivering production apps across Flutter, iOS, and Android. I’ve shipped 11+ apps to the App Store, led mobile teams of up to 7 engineers, and built a social platform that grew to 80K+ MAU before acquisition. Most recently I shipped a real-time AI voice calling app using the ElevenLabs SDK. I also bring full-stack capabilities in Angular, React, TypeScript, Node.js, and Python, with experience deploying on AWS, GCP, and Azure.

Available to hire

Hi, I’m Saul Vargas, a senior mobile engineer with 7+ years of hands-on experience delivering production apps across Flutter, iOS, and Android. I’ve shipped 11+ apps to the App Store, led mobile teams of up to 7 engineers, and built a social platform that grew to 80K+ MAU before acquisition.
Most recently I shipped a real-time AI voice calling app using the ElevenLabs SDK. I also bring full-stack capabilities in Angular, React, TypeScript, Node.js, and Python, with experience deploying on AWS, GCP, and Azure.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Spanish; Castilian

Fluent

English

Fluent

Work Experience

Lead Mobile Engineer at Jex Global Inc.

April 1, 2024 - Present

Leading mobile architecture and development across iOS, Android, and Flutter for the company’s core product suite. Shipped a real-time AI voice calling app to the App Store, designed and implemented the full CI/CD pipeline, and architected features using Clean Architecture with modular packaging and DI.

Senior Mobile Engineer at SS Ventures

February 1, 2023 - April 1, 2024

Led mobile engineering across 9 client applications, delivering all to App Store and Google Play on time. Acted as primary mobile engineer for 20 US-based companies, shaping architecture and sprint planning for each engagement.

CTO & Lead Engineer at Jungle

January 1, 2022 - March 1, 2023

Built the mobile app from scratch (cross-platform) and scaled to 80,000+ users with strong retention. Led a 7-engineer team, implemented real-time messaging, push infrastructure, and geolocation features; managed end-to-end release lifecycle.

Mobile Developer at PedidosYa

October 1, 2020 - March 1, 2022

Developed features for a large delivery platform across 15+ countries, implementing TDD and building CI/CD pipelines for automated deployment.

Mobile Developer & Software Engineer at Codify

February 1, 2019 - July 1, 2020

Developed production mobile applications for iOS and Android, built responsive web apps, and participated in code reviews and Agile ceremonies to deliver features on 2-week sprints.