Hello, I am

John Patrick Teruel

I'm a senior iOS and full-stack developer with 10 years of experience, delivering end-to-end apps and web features across healthcare, fintech, events, and media.

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What I Do

My Services

iOS Development

Native iOS development using Swift, UIKit, and SwiftUI. Crafting fluid, pixel-perfect apps that follow Apple's Human Interface Guidelines with FairPlay DRM and secure authentication.

Cross-Platform Development

Unified business logic across platforms with Kotlin Multiplatform Mobile (KMM) and rapid feature delivery with Flutter. Modular SDKs with clean architecture and dependency injection patterns.

Android Development

Native Android development with Kotlin and Jetpack Compose. Building high-performance apps that feel at home on every Android device and screen size.

Full-Stack Development

Building end-to-end web and backend features with Vue.js, Laravel, Node.js, and TypeScript. Focused on clean APIs, content systems, and production-ready delivery.

API Integration

Seamless integration with RESTful and GraphQL APIs. Handling authentication, real-time data, push notifications, and third-party SDKs (Stripe, Shopify).

App Store Deployment

End-to-end release management for the App Store and Play Store — certificates, CI/CD pipelines, artifact publishing, release notes, and ongoing maintenance.

Who I Am

About Me

John Patrick Teruel - Mobile Developer

Experience

10 years

Cross-platform mobile engineer with 10 years delivering iOS and Android applications, specializing in Kotlin Multiplatform Mobile for unified business logic and Flutter for rapid feature delivery.

I've architected modular SDKs, integrated payment systems and secure authentication, and shipped production apps across healthcare, fintech, events, and media. Strong native iOS foundation (Swift, UIKit, SwiftUI) with growing full-stack experience.

Name
John Patrick Teruel
Location
Philippines

My Background

Resume

Work Experience

Mar 2021 – Apr 2026

Senior iOS Developer / Kotlin Multiplatform Engineer

CoDev

Architected KMM SDKs and delivered cross-platform solutions for healthcare, travel, and ticketing platforms. Spearheaded architecture initiatives, mentored teams, and established coding standards.

May 2016 – Mar 2021

iOS Developer / Full-Stack Developer

Rogomi

Led modernization of legacy Objective-C codebases to Swift while maintaining velocity. Architected DRM-protected video streaming for Cignal Play and delivered end-to-end features across iOS and backend systems.

Apr 2024 – Apr 2025

Full-Stack Mobile Developer

eMAT — Mobile Quiz Platform

Architected and delivered a quiz platform from scratch serving educators and students. Built teacher-facing CMS and student-facing mobile apps across iOS, Android, and web.

Professional Skills

Kotlin Multiplatform Mobile95%
Swift / SwiftUI93%
Kotlin / Jetpack Compose90%
Flutter / Dart85%
React Native75%
CI/CD & DevOps80%

My Work

My Projects

Web + CMS

Easehospitality

Vue.js + Laravel CMS for a boutique NYC event venue. Full-stack sole contributor; designed and built the blog/content management system so venue staff can manage event information and marketing content. Live and maintained.

Vue.jsLaravelREST APIsCMS

Say Hello

Get in Touch

Have a project in mind or want to collaborate? I'd love to hear from you. Fill in the form and I'll get back to you within 24 hours.