Lapu-Lapu City, Cebu, Philippines

Hi, I'm Shem Chavez

Software Engineer

Nearly 10 years crafting high-quality web & mobile apps.

A seasoned Software Engineer evolving into an AI Engineer — with nearly 10 years of experience, I am passionate about crafting high-quality web and mobile apps that deliver exceptional user experiences. I take pride in writing clean, maintainable code that ensures long-term project success.

With AI pushing the boundaries of what one engineer can deliver, I focus on getting the most out of it: using it efficiently, understanding enough of how it works to apply it where it actually matters, and turning that into better, faster solutions that consistently exceed client expectations.

View My Work
Shem Chavez — Reality
Reality

What I build with

Tech Stacks

Frontend

ReactNext.jsTypeScriptJavaScriptReduxXStatePHPCodeIgniter

Mobile

React NativeSwiftObjective-CJavaKotlinFlutter

Backend

Node.jsPythonNestJSRethinkDBPostgreSQLElasticsearch

DevOps

CI / CDDocker

AI

LLMPrompt EngineeringAgenticRAGMCPClaude Code

Work history

Experience

Mobile Development Manager

DNA Micro·Full-time·Cebu, Philippines
Jan 2024 — Present

Leading mobile development strategy and engineering at DNA Micro, integrating AI capabilities into product offerings.

  • Manages the mobile engineering team driving iOS, Android, and cross-platform development.
  • Integrated LLM, RAG, and AI Agents into mobile product features.
  • Championed adoption of Next.js and NestJS for full-stack solutions.
  • Oversaw delivery of multiple production apps across iOS and Android.
React NativeSwiftKotlinNext.jsNestJSNode.jsTypeScriptFlutterLLMPrompt EngineeringAgenticRAGMCPClaude Code

Senior Software Engineer — Mobile

DNA Micro·Full-time·Cebu, Philippines
Mar 2021 — Dec 2023

Senior mobile engineer building cross-platform and native apps for international clients including Go Rentals (US).

  • Built Go Exchange — a secure enterprise data-sharing app with TOTP, face recognition, and PECR compliance.
  • Developed myGO Connect — a fleet and rental management app exclusively for Go Rentals staff.
  • Implemented XState-based state machines for complex multi-step mobile flows.
  • Mentored junior engineers on mobile architecture best practices.
React NativeTypeScriptSwiftKotlinNode.jsXState

Software Engineer

DNA Micro·Full-time·Cebu, Philippines
Nov 2016 — Mar 2021

Full-stack and native mobile engineer building iOS and Android applications from the ground up.

  • Developed instaProtek iOS & Android — a device insurance registration app with barcode scanning and IMEI verification.
  • Built Carpet Pros, a service-booking Android app (Java) from inception to App Store.
  • Worked across Objective-C, Swift, Java, and Kotlin across multiple product lines.
  • Contributed to Node.js backend services powering the mobile apps.
SwiftObjective-CJavaKotlinJavaScriptNode.jsRxSwift

IT Intern — Web Developer

Tate Publishing & Enterprises (Philippines)·Contract·Cebu, Philippines
Apr 2016 — Oct 2016

Web development internship building internal tooling with PHP and JavaScript.

  • Developed internal web tools using CodeIgniter and PHP.
  • Collaborated with senior developers on JavaScript-based UI components.
PHPJavaScriptCodeIgniter

Selected work

Projects

Projects are on the way

I'm curating case studies and polishing write-ups. If you want to see more work now, reach out and I'll share details.

Get in touch

Get in touch

Let's Work Together