iOS Engineer

Building apps
people love.

Crafting reliable, beautiful iOS experiences — from first idea to the App Store.

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Jeffrey Lai

Portfolio

Apps built from beginning to end.

Three ToDo app screenshots

Productivity

Three ToDo

The Anti-Todo-List

Made for procrastinators by procrastinators. THREE is a minimal task assistant designed to be non-intrusive — just three tasks, no stress, no nagging notifications.

Technologies: Swift · Core Data · Custom Animations · Dark Mode · Programmatic UI

Download on the App Store
PocketDiner app screenshots

Lifestyle

PocketDiner

Split Food Fairly

Never get stuck with someone else's bill again. PocketDiner calculates exactly what each person owes — accounting for shared dishes, divided tax & tip, and minimizing data entry.

Technologies: Swift · In-App Purchases · Core Data · Custom Animations · Hybrid Storyboard & Programmatic UI

Download on the App Store

Skills

Team Player

Problem Solver

Perpetual Learner

Swift / Obj-C

UI / UX Design

About Me

Dedicated iOS developer with a strong commitment to continuous learning and exploring emerging technologies. Skilled in crafting reliable, stable apps by combining innovative solutions with proven coding practices.

Experienced in both small-scale app development and enterprise-level projects, I prioritize effective communication — working closely with designers, backend developers, and project managers to deliver high-quality, user-centered code.

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