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Billy Bates

@billybates

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Mobile Tech Lead at Stori building Cuenta+ and server-driven fintech features.

Mexico

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At Stori, I led development of Cuenta+, coordinated the mobile engineering team and sprint planning, and implemented a Server-Driven UI architecture for dynamic feature delivery.

I also migrated legacy Objective-C modules to Swift and built CI/CD pipelines using GitHub Actions and Fastlane, while mentoring junior and mid-level developers.

As a Freelance iOS Developer, I developed applications for US and Mexican clients, integrated REST APIs and backend services, and implemented push notifications and App Store deployments.

At Grupo Salinas / Banco Azteca and Anzen Digital, I developed and maintained banking and enterprise iOS applications, including SPEI integrations, authentication systems, middleware integrations, and push notifications.

Experience

Work history, roles, and key accomplishments

Current

Tech Lead Mobile

Current

Stori

Jan 2022 - Present (4 years 9 months)

Led development of the fintech product Cuenta+, coordinated the mobile engineering team and sprint planning, implemented Server-Driven UI architecture, migrated legacy Objective-C modules to Swift, built CI/CD pipelines, and mentored junior and mid-level developers.

Swift Objective C UIKit SwiftUI Combine Core Data Realm MVVM Clean Architecture Modular Architectures Server Driven UIs GitHub Actions Fastlane CI CD TestFlight Firebase AWS Pushwoosh GitHub Gitlab Bitbucket

Freelance iOS Developer

Self Employed

Jan 2021 - Dec 2022 (1 year 11 months)

Developed iOS applications for US and Mexican clients, integrated REST APIs and backend services, implemented push notifications and App Store deployments, and migrated legacy Objective-C projects to Swift.

iOS Swift Objective C REST APIs Push Notifications App Store Deployment Migration

iOS Developer

Grupo Salinas / Banco Azteca

Jan 2018 - Dec 2020 (2 years 11 months)

Developed banking features including SPEI integrations and authentication systems, integrated REST and SOAP services, and maintained production banking applications.

iOS Swift Objective C REST SOAP Banking SPEI Authentication

iOS Developer

Anzen Digital

Jan 2016 - Dec 2018 (2 years 11 months)

Developed enterprise iOS applications for clients including Scotiabank and Amdocs, implemented middleware integrations and push notifications, and maintained Objective-C and Swift codebases.

iOS Swift Objective C Middleware Push Notifications enterprise applications