Eric – Android, Kotlin, Jetpack Compose, experts in Lemon.io

Eric

From Philippines (UTC+8)flag

Mobile Developer|Senior

Eric – Android, Kotlin, Jetpack Compose

Eric is a Senior Android engineer with 7 years of commercial experience across large, multi-team media apps and his own startup product. As co-founder and only engineer, he has taken a product from idea to launch on Android, iOS, and Web, including AI-powered features. Earlier in his career, he was promoted to Senior for leading architecture and testing improvements, and he mentored an intern into a permanent team member. He brings a product-first, quality-focused mindset and a careful, review-first approach to AI-assisted development.

7 years of commercial experience
Main technologies
Android
6.5 years
Kotlin
1.5 years
Jetpack Compose
1 year
Additional skills
iOS
Kotlin Multiplatform
Firebase
Android Jetpack
Java
Arduino
RxJava
Retrofit
Dagger
Product Strategy
Stripe API
JUnit
Coroutines
AI-assisted coding
Android SDK
Android Studio
Docker
Koin
Material Design
Unity
Direct hire
Possible
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Experience Highlights

Co-Founder & Lead Engineer
Aug 2024 - Ongoing2 years 2 months
Project Overview

A cross-platform app that automatically reposts creators' videos to Instagram, TikTok, YouTube, Facebook, X, LinkedIn, and Bluesky.

Responsibilities:
  • Built and launched the product end-to-end as its only engineer, from a single Kotlin Multiplatform codebase for Android, iOS, and Web (Compose, SwiftUI, Koin, Ktor client).
  • Designed a shared, pure-Kotlin controller layer with thin platform ViewModels, and solved Wasm-specific challenges such as dependency injection and image loading.
  • Designed and ran a Kotlin/Ktor backend on Firestore with JWT authentication, rate limiting, WebSockets, and a circuit breaker;
  • Integrated seven social platforms through OAuth and passed the API reviews with Meta, TikTok, and Google.
  • Implemented billing with Stripe, Google Play Billing and the App Store (via RevenueCat), including webhooks and free trials;
  • Shipped AI-powered Smart Captions and an in-house A/B testing system.
  • Wrote 340+ automated backend tests, shipped 14 tagged releases, and led the hiring of the early marketing team.
Project Tech stack:
Kotlin Multiplatform
Android
iOS
Kotlin
Firebase
Stripe API
Jetpack Compose
Senior Android Developer
Aug 2020 - Apr 20265 years 7 months
Project Overview

Android streaming apps for a major UK TV broadcaster and a radio network.

Responsibilities:
  • Standardized unit testing on JUnit5, MockK, and hand-written fakes, cutting test development time by 30% and making tests readable enough for QA to follow.
  • Proposed and led the ITVX analytics migration from a tightly coupled legacy system to GA4, building data models and base classes so screen-level analytics only needed events defined, and wrote docs so junior developers could contribute.
  • Built key playback features for the ITVX and Global Radio apps with ExoPlayer and delivered major updates to the Android Auto integrations;
  • Helped migrate the apps to Jetpack Compose, Kotlin, and Coroutines, including converting legacy Java code to Kotlin.
  • Mentored an intern with no industry experience into a permanent team member and ran knowledge-sharing sessions.
  • Was promoted from Mid-level to Senior for leading architecture improvements that raised team efficiency.
Project Tech stack:
Android
Kotlin
Jetpack Compose
JUnit
Coroutines
Android Developer
Aug 2019 - Aug 20201 year
Project Overview

Android e-commerce app for a fashion retailer.

Responsibilities:
  • Built a reusable CMS component system that made content easier to manage across several screens of the app.
  • Delivered regular feature updates and improvements to the Android app.
  • Led the winning hackathon team that built an IoT-enabled vault for limited-edition sneakers, covering both the Android app and the backend. A Google developer advocate praised it for combining several disciplines.
Project Tech stack:
Android
Lead Android Developer
Jun 2016 - May 201711 months
Project Overview

A school planner Android app for students, built with a team of friends while still in secondary school. It reached a few thousand downloads on the Play Store and won a regional digital award.

Responsibilities:
  • Led a small team of friends to design and build the app.
  • Built the app’s cloud features with Firebase.
  • Published the app on Google Play, where it reached a few thousand downloads.
  • Won 1st place in the mobile apps category at the Essex Digital Awards 2016, and the app was featured in three English newspapers.
Project Tech stack:
Android
Firebase

Education

2019
Computer Science, Maths, Physics, Electronics (AS)
A-Levels

Languages

Tagalog
Upper-intermediate
Italian
Upper-intermediate
English
Advanced

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