Zeus Solomon Q. Olivar

iOS Developer · Swift & SwiftUI

I build polished, performant iOS apps with Swift & SwiftUI. Six apps on the App Store across finance, health, fitness, and travel. Senior iOS Engineer at TaoCrowd, CTO of Catalyst Vista Tech, and still shipping my own products.

Philippines · Remote Available for work

Get in Touch GitHub

5+ Years

6 Apps Shipped

10 Companies

Swift SwiftUI UIKit SwiftData HealthKit MapKit CoreLocation StoreKit 2 CloudKit Foundation Models RxSwift Firebase Supabase Fastlane MVVM Clean Architecture

Apps in production

Six live on the App Store.

2025 – 2026

JobTracc

Business · 2026

Every application, interview, and follow-up in one clean dashboard. Weekly targets, reminders, Face ID lock, and CSV export — and it all stays on your phone. Free, no account needed.

SwiftUISwiftDataSwift ChartsUserNotifications

View case study

Privacy Terms Support

RunSplit: Interval Coach

Health & Fitness · 2026

An interval coach for runners on iPhone and Apple Watch. Green means work, red means rest, a voice coach keeps you honest, and every run syncs to Apple Health and Strava — with a flyover video to share.

SwiftUISwiftDataHealthKitMapKitFoundation ModelsWatchKit

View case study

Privacy Terms Support

Boop

Finance · 2026 · v3.0

Boop 3.0: a free budget app and expense tracker for iPhone, made in the Philippines. Track cash, GCash, Maya and bank cards in pesos, auto-log Apple Pay, build a daily streak, and get plain-language insights. No account, no bank logins, no subscriptions.

SwiftUISwiftDataSwift ChartsFoundation Models

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Privacy Terms Support

EMOM Timer

Fitness · 2025 · 4.8 ★

The workout timer for EMOM, HIIT, and Tabata. Infinite rounds, music that switches between work and rest, haptics on your wrist, and every session saved to Apple Health. Rated 4.8 on the App Store.

SwiftUIStoreKit 2CloudKitWatchKit

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Privacy Terms Support

You're Almost There

Travel · 2026

Pin your stop, close your eyes, and get woken up before you miss it. A background location alarm for commuters and travelers that keeps working even when the app is closed.

SwiftUICoreLocationMapKitGoogle Maps

View Project

Privacy Terms Support

CoFasting 16:8

Health & Fitness · 2026

Intermittent fasting you can do with a partner. Six plans from 12:12 to OMAD, your partner’s progress on the same ring, on-device AI food logging, and CSV export. No accounts, no servers — your data stays on your device and in your own iCloud.

SwiftUISwiftDataCloudKit SharingFoundation ModelsAlarmKitMetal

View Project

Privacy Terms Support

Experience

From bank apps and ride-hailing to crew comms and indie products.

2021 – Present

Freelance

Chief Technology Officer

Mar 2026 – Present

Catalyst Vista Tech · Self-employed

Founded and lead a software studio that takes mobile apps from idea to App Store launch
Shipped Travel Tomo PH, a gamified travel companion app for exploring the Philippines
Oversee product direction, client projects, releases, and ongoing support

SwiftUISupabaseStoreKit 2AdMobNext.js

Lead iOS Engineer

Jan 2026 – Present

SP Wealth LLC · LetsLink & Stellar

Lead iOS engineer on two App Store apps, both shipped from scratch
LetsLink — a social scheduling app with calendar sync across Google, Outlook, and Apple Calendar that automatically finds times everyone is free
Stellar — a property operations app with a live work-order board, real-time team map, and compliance tracking
Set up the backends, sign-in, push notifications, and shareable invite links

SwiftUISupabaseFirebaseEventKitMicrosoft GraphMapKitSwift Concurrency

LetsLink Stellar

Senior iOS Engineer

May 2025 – Feb 2026

Nordic Quality · CrewTap

Led the MVP of an app that helps airline crews track their flight schedules
Built the app and its backend from scratch, keeping schedules available offline
Implemented the shift-trading system crews use to swap flights

FlutterSwiftSwiftUIFirebaseSupabaseMVVM

CrewTap

Senior iOS Engineer

Feb – Jun 2025

Frenzi UK · Frenzi Driver

Built a UK-market taxi booking app with live ride tracking on the lock screen
Created a reusable design system shared by the driver and passenger flows
Integrated payments and the driver-passenger matching engine

SwiftUIFirebaseGoogle MapsLive ActivitiesMVVM

Frenzi Driver

Senior iOS Engineer

Oct – Dec 2024

Gabriella Arruda · DailyOutfit

Built a social photo-sharing app from concept to App Store submission
Implemented photo capture, user profiles, curated feed, and social interactions
Set up sign-in, cloud storage, and the database behind it

SwiftUIFirebaseFirestoreCloud StorageMVVM

iOS Engineer

Oct 2023 – Mar 2025

SimpleTouch, LLC

Shipped 3 production apps — interval, boxing, and meditation timers
Added Spotify and Apple Music so users can control their music mid-workout
Built precision timing engines and the subscription purchase flow

SwiftUISpotify SDKApple MusicStoreKit 2

Tabata Pro Boxing Timer Pro Meditate

Corporate

Senior iOS Engineer

Jun 2026 – Present

TaoCrowd · ClubServe

Building a club & venue booking app — members find venues, reserve courts, and manage their activities
Shipped the full booking experience — scheduling, payments, receipts, and calendar reminders
Added search, shareable booking links, friend invites, and directions to venues

SwiftUI@ObservabletRPCMayaSwift ConcurrencyMapKitEventKit

Mid-Senior iOS Engineer

Dec 2023 – Jul 2024

NeoDay · Magneds

Built reusable components shared across 3 loyalty apps (NeoDay, LoyalTea, JVH)
Automated the team's build and release process
Helped uphold code quality standards across the multi-app codebase

SwiftUIKitFastlaneBambooClean Architecture

Mobile Developer

Mar 2022 – Dec 2023

Deloitte PH · Virgin Money AU

Developed Cards + Loyalty features for Bank of Queensland + Virgin Money
Handled the complex data flows behind the banking apps
Built the navigation structure used throughout the app

SwiftRxSwiftSnapKitXCoordinatorMVVM

Virgin Money AU

Software Engineer

Aug 2021 – Jan 2022

Accenture Inc · Manulife

Built email automation systems for enterprise communication workflows
Developed data pipelines that turned database records into formatted reports

JavaAngularJSApache Maven

BS Information Technology

University of Pangasinan · 2020

Hackathon — 2nd Place

Baguio Impact Hackathon · 2019 · Top 16 nationals

Let's work together

Open to freelance projects, contract work, and full-time opportunities. Based in the Philippines, available for remote work worldwide.

zeusqolivar@gmail.com