Senior Software Engineer with 10+ years of experience building end-to-end digital products across mobile, backend integration, and delivery. Strongest in Android native development with Kotlin, Java, Jetpack Compose, and Clean Architecture, with hands-on experience in Flutter, backend-connected systems, and production releases. Focused on building scalable, maintainable software from idea to deployment.
Tech Stack
mobile
backend
cloud
devops
database
tools
architecture
Jomar Olaybal's Projects
mWell & mWellMD
Digital healthcare ecosystem composed of patient and doctor applications, built for real-time consultations, EMR workflows, and scalable telehealth delivery across mobile devices.
LYKA
High-traffic social media platform where I led Android development, helped scale the app for millions of users, and drove architecture, code quality, and team collaboration across a distributed engineering team.
Ignito – Inventory & Retail Automation System
Enterprise inventory and warehouse automation platform optimized for Honeywell handheld devices, with improved performance through migration from React Native to native Android.
Posts by this Developer
Test-Driven Development in Real Projects
A practical look at Test-Driven Development in real software projects. This post explains how TDD improves code quality, reduces regressions, supports safer refactoring, and helps teams build software that is easier to maintain, change, and trust in production.
The Hidden Cost of Fast Code in Production Mobile Apps
Rushing mobile app code may speed up delivery at first, but in production it often creates technical debt, more bugs, slower future development, and lower team confidence—making the long-term cost far higher than the short-term gain.
Clean Architecture in Android: Why It Matters in Production
Clean Architecture is often treated as optional overhead. Here's why it's a non-negotiable practice for Android apps that need to survive real-world usage.