Available for work

I buildmobile appsthat ship.

I'm Caleb Chiang, a junior iOS developer in Vancouver, BC, with 2+ years and 20K+ downloads behind me. I help teams ship thoughtful, reliable iOS products from concept to launch.

View projects Get in touch resume.pdf

Swift
SwiftUI
UIKit
MVVM

Progress screen of a protein tracking iPhone app

Meals screen of a protein tracking iPhone app

Selected work

Shipped & in production.

ProteinBuddy progress dashboard on an iPhone

01 · Nutrition & fitness

ProteinBuddy

Hit your protein goals without the guesswork.

A focused nutrition companion that makes logging meals, tracking protein, and understanding daily progress feel quick and simple. Built for people who want useful insights without a complicated calorie-counting workflow.

SwiftUI
MVVM
PostgreSQL
Go REST API
RevenueCat
OpenAI

1K+: Downloads
4.8★: App Store
iOS: Platform
Live: On store

App Store ↗

02 · Education

Kodi AI

Build confidence every time you speak.

A public-speaking education app with 80+ interactive microlessons and AI-powered practice modes. Users can rehearse speeches, sharpen their delivery, and receive constructive feedback on the areas they can improve.

Swift
UIKit
OpenAI
RevenueCat
Go REST API
PostgreSQL

15K+: Downloads
4.7★: App Store
iOS: Platform
Live: Status

App Store ↗

Experience

The track record.

2025 — Now

Independent iOS Developer

Self-directed products · Vancouver, BC

App Store
SwiftUI
Full stack

Designed and shipped ProteinBuddy and Kodi AI from initial concept through App Store release
Built native SwiftUI and UIKit experiences with reusable MVVM architecture
Built and maintained Go REST APIs backed by PostgreSQL, with zero production outages to date
Integrated RevenueCat subscriptions, converting 62% of trial users into paying customers
Earned 150+ reviews worldwide across both apps, with 15K+ combined downloads
Maintained a 99%+ successful response rate for OpenAI API requests in production

2023 — 2025

Computer Systems Technology

British Columbia Institute of Technology · Burnaby, BC

Software engineering
Systems design
Industry projects

Completed an intensive two-year program combining computer-systems theory with hands-on software development
Developed software using JavaScript, Python, Java, C, and Go
Strengthened problem-solving through systems, cloud computing, databases, algorithms, and data structures
Collaborated in Agile software teams on shared codebases using GitHub, code reviews, and issue tracking, keeping parallel development organized
Opened 50+ GitHub pull requests that were approved and merged across academic projects, helping teams deliver well-tested changes with fewer regressions
Designed and implemented REST APIs connected to relational databases, enabling dependable data flow between frontend and backend systems

Get in touch.

Available for junior iOS opportunities. Typical reply within a day.

caleb@calebchiang.dev Download résumé