Zeus Solomon Q. Olivar
Available for Freelance & Contract · Philippines (Remote Worldwide)

Zeus Solomon Q. Olivar

Senior iOS Engineer · CTO at Catalyst Vista Tech · Lead iOS at SP Wealth

I design, architect, and ship native iOS applications from zero to the App Store. Over the past 5+ years, I’ve shipped 6 indie apps and delivered production software across fintech, retail banking, aviation, fitness, and property operations using Swift, SwiftUI, SwiftData, and on-device Apple Intelligence.

zeusqolivar@gmail.com Resume (Oct 2026) LinkedIn GitHub
5+ Years Shipping iOS
6 Indie Apps Live
11 Client & Corp Roles
4.8★ 180+ PH Reviews
Shipped on the App Store View all ↓
Boop Boop RunSplit RunSplit CoFasting CoFasting Present Po! Present Po! JobTracc JobTracc EMOM EMOM YAT YAT Plantrs Plantrs
01 / Product Showcase

Apps in Production

Independently designed, architected, and shipped to the App Store and Google Play.

Boop icon
v3.5 Live ★ 4.8 · 176 PH Reviews

Boop: Budget & Expense Tracker

Finance · iPhone & iCloud · Built for the Philippines

A friendly peso expense tracker built for how Filipinos actually pay. Track cash, GCash, Maya, BPI, BDO, and credit cards in one place, swipe through wallets like a physical card deck, auto-log Apple Pay taps and bank SMS alerts via Shortcuts, and get plain-language insights powered by on-device Apple Intelligence.

Web Tool Boop Web Helper — Convert Money Manager exports and batch-edit CSV wallets in your browser.
Open Web Helper →
SwiftUISwiftDataSwift ChartsFoundation ModelsApple IntelligenceApp Intents
View Case Study Apple Pay Auto-Log Download on theApp Store
Web Helper Privacy Terms Support
Boop 3.5 Home Screen Boop 3.5 Wallet Stack
RunSplit icon

RunSplit: Interval Coach

v1.9

Health & Fitness · iPhone & Watch

An interval coach for runners on iPhone and Apple Watch. Green means work, red means rest, an on-device AI voice coach keeps you honest, and every run syncs to Apple Health and Strava — with a 9:16 flyover video to share.

SwiftUISwiftDataHealthKitMapKitFoundation ModelsWatchKit
Case Study Download on theApp Store
Privacy Terms Support
RunSplit active run screen
CoFasting icon

CoFasting 16:8

v1.5

Health & Fitness · Shared Ring

Intermittent fasting built for two. Six plans from 12:12 to OMAD, your partner’s progress on the same ring via iCloud Sharing, on-device AI meal logging, and CSV export. No accounts, no servers — 100% private.

SwiftUISwiftDataCloudKit SharingFoundation ModelsAlarmKitMetal
Case Study Download on theApp Store
Privacy Terms Support
CoFasting shared ring screen
Present Po! icon

Present Po!

iOS & Android

Education · 2026 · DepEd Ready

A class record app for Filipino teachers. Quiz scores, one-tap attendance, QR code roll call, and Excel/PDF class records sorted the DepEd way. Syncs to iCloud or Google Drive with on-device AI assistant Jose.

FlutterDartQR ScanningPDFiCloud DriveGoogle Drive API
Case Study Download on theApp Store
Privacy Terms Support
Present Po! class record screen
JobTracc icon

JobTracc

Free

Business & Career · 2026

Every application, interview, and follow-up in one clean dashboard. Weekly targets, reminders, conversion funnel charts, Face ID lock, and CSV export — 100% on-device with no account needed.

SwiftUISwiftDataSwift ChartsUserNotificationsLocalAuth
Case Study Download on theApp Store
Privacy Terms Support
JobTracc home dashboard
Plantrs icon

Plantrs

Coming Soon

Lifestyle · 2026 · Garden Journal

A garden journal for Filipino plantitos and plantitas. Morning watering reminders, a seed-to-harvest guide to 31 Filipino garden plants, on-device Vision leaf ID, and Canvas illustrations that grow with your plants.

SwiftUISwiftDataVisionCanvasLiquid Glass
Preview App
Privacy Terms Support
Plantrs garden journal screen
02 / Curriculum Vitae

Work & Leadership Experience

5+ years delivering native iOS apps across studio leadership, global freelance contracts, and enterprise teams.

Download PDF (Oct 2026)

Freelance & Studio Leadership

6 Roles · 8 Client Apps

Chief Technology Officer

Mar 2026 – Present

Catalyst Vista Tech · Independent Mobile Studio

  • Founded and lead a mobile software studio taking products from concept to App Store launch
  • Shipped Travel Tomo PH, a gamified travel companion app for exploring the Philippines
  • Oversee technical architecture, client delivery, App Store releases, and long-term maintenance
SwiftUISupabaseStoreKit 2AdMobNext.js

Lead iOS Engineer

Jan 2026 – Present

SP Wealth LLC · LetsLink & Stellar

  • Lead iOS engineer on two App Store apps, architected and shipped from scratch
  • LetsLink — social scheduling app with multi-provider sync across Google, Outlook, and Apple Calendar that finds mutual free slots automatically
  • Stellar — property operations platform with a live work-order board, real-time team map, and compliance tracking
  • Engineered the Supabase/Firebase backends, authentication, push notifications, and universal invite links
SwiftUISupabaseFirebaseEventKitMicrosoft GraphMapKitSwift Concurrency
LetsLink Stellar

Senior iOS Engineer

May 2025 – Feb 2026

Nordic Quality · CrewTap

  • Led the MVP of an aviation app helping airline crews track flight schedules
  • Built the client app and backend from scratch with offline-first schedule caching
  • Implemented the real-time shift-trading system crews use to swap flights
FlutterSwiftSwiftUIFirebaseSupabaseMVVM
CrewTap

Senior iOS Engineer

Feb – Jun 2025

Frenzi UK · Frenzi Driver

  • Built a UK-market ride-hailing app with Live Activities ride tracking on the Lock Screen & Dynamic Island
  • Created a reusable SwiftUI design system shared across driver and passenger flows
  • Integrated payment gateways and the real-time driver-passenger matching engine
SwiftUIFirebaseGoogle MapsLive ActivitiesMVVM
Frenzi Driver

Senior iOS Engineer

Oct – Dec 2024

Gabriella Arruda · DailyOutfit

  • Built a social outfit photo-sharing app from concept to App Store submission
  • Implemented camera capture, user profiles, curated feeds, and social interactions
  • Configured Firebase Auth, Cloud Storage, and Firestore security rules
SwiftUIFirebaseFirestoreCloud StorageMVVM

iOS Engineer

Oct 2023 – Mar 2025

SimpleTouch, LLC

  • Shipped 3 high-volume fitness apps — interval, boxing, and meditation timers
  • Integrated Spotify SDK and Apple Music for seamless mid-workout audio control
  • Built precision timing engines and StoreKit 2 subscription paywalls
SwiftUISpotify SDKApple MusicStoreKit 2
Tabata Pro Boxing Timer Pro Meditate

Corporate Engineering

5 Roles · Enterprise & Scale

Senior iOS Engineer

Jun – Oct 2026

TaoCrowd · ClubServe

  • Architected and built a club & venue booking app for discovering venues, reserving courts, and managing club activities
  • Shipped the end-to-end booking flow — scheduling, Maya payments, digital receipts, and EventKit calendar reminders
  • Engineered venue search, universal shareable booking links, friend invites, and MapKit routing
SwiftUI@ObservabletRPCMayaSwift ConcurrencyMapKitEventKit

Mid-Senior iOS Engineer

Dec 2023 – Jul 2024

NeoDay · Magneds

  • Built white-label reusable components shared across 3 Dutch loyalty apps (NeoDay, LoyalTea, JVH)
  • Automated multi-target build, signing, and release pipelines via Fastlane and Bamboo
  • Enforced Clean Architecture and modular code quality standards across the engineering team
SwiftUIKitFastlaneBambooClean Architecture

Mobile Developer

Mar 2022 – Dec 2023

Deloitte PH · Virgin Money AU

  • Developed Cards & Loyalty features for Bank of Queensland and Virgin Money Australia
  • Engineered reactive data streams and security-critical banking flows using RxSwift
  • Built the coordinator-based navigation architecture used across the retail banking app
SwiftRxSwiftSnapKitXCoordinatorMVVM
Virgin Money AU

Software Engineer

Aug 2021 – Jan 2022

Accenture Inc · Manulife

  • Built enterprise email automation systems for financial communication workflows
  • Developed automated data pipelines transforming database records into formatted client reports
JavaAngularJSApache Maven

Process Master (Internship)

Sep 2020 – Jan 2021

SP Madrid & Associates Law Firm

  • Built and maintained the database and business logic for the firm’s client operations
03 / Technical Capabilities & Education

Stack & Credentials

Core frameworks, architecture patterns, and academic background.

Apple Frameworks
Swift 6 SwiftUI UIKit SwiftData WatchKit ActivityKit
Intelligence & Sensors
Foundation Models Vision HealthKit MapKit CoreLocation AlarmKit
Cloud & Cross-Platform
StoreKit 2 CloudKit Sharing Supabase Firebase Flutter & Dart tRPC
Architecture & Delivery
MVVM Clean Architecture Swift Concurrency RxSwift Fastlane CI/CD Metal & Canvas
Education

BS Information Technology

University of Pangasinan · Class of 2020

Recognition

Hackathon — 2nd Place

Baguio Impact Hackathon · 2019 · Top 16 Nationals

Curriculum Vitae

Updated October 2026

Full work history, shipped apps & technical references.

7,902 contributions in the last year

@zeusqolivar ↗
04 / Contact

Let’s build your next iOS app

Open to senior iOS freelance projects, contract roles, and technical leadership opportunities. Based in the Philippines, partnering with teams worldwide.

zeusqolivar@gmail.com Resume (Oct 2026) LinkedIn