Andrew Concepcion
[status: online]
identity_sequence

The Person behind the Code

I build digital systems that prioritize clarity over complexity. My journey started in low-level mobile debugging and evolved into architecting scalable cross-platform products.

I focus on Compose-first delivery with Kotlin Multiplatform and SwiftUI, pairing product velocity with maintainable architecture and measurable performance.

Assessment Signals

[Emergenetics + Harrison Snapshot]

[emergenetics_thinking_mix]
[source: personal_app] [deep_dive]

Thinking blend from your personal app profile, with behavior percentiles used as day-to-day collaboration signals.

Analytical 33%
Conceptual 32%
Structural 20%
Social 15%
Behavior Percentile
Expressiveness49%
Behavior Percentile
Assertiveness51%
Behavior Percentile
Flexibility60%
[harrison_highlights_2025]
[source: harrison_assessment] [deep_dive]

Selected Harrison indicators that best match your operating style in delivery, architecture, and team collaboration.

  • Open / Reflective 9.8
  • Flexible 9.7
  • Analytical 9.3
  • Helpful 8.3
  • Optimistic 8.0
Watchpoint

Assertive scored 4.1, which aligns with a preference for collaborative outcomes over hard self-prioritization.

Career Trajectory

A resume-based timeline of platform ownership, architecture leadership, and shipped product impact.

JUN 2021 — PRESENT

Senior Mobile Engineer — RedAirship (Singapore)

[status: active]

Built and launched a new mobile banking app for a major Singaporean bank with iOS/Android feature parity, including onboarding, account dashboard graphs, transfers, and digital account opening.

MAY 2020 — JUN 2021

Lead Developer — InnovationTeam (MySTC, Saudi Telecom)

Led offshore delivery for MySTC (10M+ installs), drove Clean Architecture + MVVM with RxJava/RxKotlin, and shipped multilingual stability improvements across English and Arabic experiences.

JUN 2018 — MAY 2020

Team Lead — iPARA (OWTO Ride-Hailing)

Scaled a ride-hailing app from 0 to 500K+ downloads, architected the mobile app with Uber RIB for modular growth, and shipped an emergency livestream feature for rider/driver safety.

JUN 2016 — JUN 2018

Senior Android Developer — YOYO Holdings (PopSlide)

Led Android development for a rewards app with 1M+ downloads across Southeast Asia, migrated large Java surfaces to Kotlin, and optimized API + caching paths for better retention.

MAY 2014 — JUN 2016

Full-Stack Web & Mobile Developer — ISBX

Delivered end-to-end features for WebSafety across Android, iOS, and web platforms, owning mobile UI, backend logic, and integrations across multiple stacks.

The Lab Journal

[Personal + Hobby Entries Pulled From SQLite]

Loading personal and hobby entries...

Core Tech Stack

_language_layer
  • Swift
  • Kotlin
  • TypeScript
  • Rust
_architecture
  • Clean Architecture
  • MVVM / TCA
  • Modularization
  • Reactive Streams
_platform_api
  • Combine / Flow
  • SwiftUI / Compose
  • Metal / ARKit
  • Core Data / Room
_engineering_ops
  • CI/CD (Fastlane)
  • TDD / Snapshot
  • Perf Profiling
  • Static Analysis