iOS Developer

Apps that feel
native, because
they are.

Product-oriented iOS developer building high-performance, well-architected Apple apps since 2012.

Portrait of Anatoli Petrosyants
14+
Years building iOS
30+
Production apps
2M+
Users reached
2012
Shipping since

Toolkit

What I work with

Architecture
TCAMVVMClean ArchitectureModular / SPM
Apple platforms
SwiftSwiftUIUIKitCombineSwift ConcurrencyHealthKitWatchConnectivityWidgetKit
Quality
Unit testingUI testingCI/CD
AI-assisted
Claude CodeCodex

Experience

Fourteen years of iOS

Jun 2025 — Jun 2026

iOS Developer

iFIT Workouts · view the app

  • Contributed to the iFIT fitness platform's Apple Watch app using WatchConnectivity.
  • Built heart rate collection and live workout session flows with HealthKit.
  • Supported 10,000+ on-demand workouts across cardio, strength, cycling, yoga and HIIT.
  • Platform filmed across all seven continents, used by millions worldwide.
May 2022 — May 2025

iOS Developer / Team Lead

Iris Dating · view the app

  • Led the iOS team for the AI-powered dating app iris.
  • Migrated a UIKit + RxSwift + MVVM codebase to SwiftUI + TCA.
  • Developed an AI training model to improve user engagement.
  • Implemented real-time chat with Twilio.
  • Integrated A/B testing and analytics.
  • Featured by TechCrunch and Forbes; 2M+ downloads.
Nov 2018 — May 2022

Senior Principal Application Engineer

Oracle

  • Developed and maintained a screen-sharing SDK.
  • Worked with sockets, multithreading and low-level optimizations.
  • Integrated the SDK with clients including Bank of America, Motorola and Toyota.
  • Improved performance and scalability.
Dec 2015 — Dec 2017

iOS Developer

Rentecarlo

  • Developed the Rentecarlo iOS application.
  • Integrated Stripe payments.
  • Built custom UI components.
  • Added iPad layout support and improved performance.
Apr 2014 — Dec 2015

iOS Developer

Livelook

  • Optimized image difference detection.
  • Added annotations, remote pointers and more.
  • Company later acquired by Oracle.
Apr 2012 — Apr 2014

iOS & JavaScript Developer

Sourcio CJSC

  • Built mobile ad templates for Google DFP.
  • Joined a healthcare startup team.
  • Delivered 8 mobile apps focused on eye care.

Education

Beyond the day job

Armenian National Academy of Sciences

Master's Degree — Computer Science

2013 — 2015

State Engineering University of Armenia

Bachelor's Degree — Microelectronics & Biomedical Devices

2005 — 2009

Off the keyboard

Hiking, FPV drones and triathlon: running, cycling and swimming. Completed a Full Ironman and climbed Mount Ararat (5,135 m).

Open to work

Let's build something great.

Available for iOS contract and full-time roles. The fastest way to reach me is email.