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Senior iOS Engineer with 10+ years of experience building mobile products across startups and Big Tech. Focused on Swift and SwiftUI, clean code, modular architectures, and design systems. Built and scaled successful mobile products across productivity, fintech, wellbeing, gaming, and SaaS, used by millions of users. I worked on a project management SaaS app at Adobe, on one of the largest consumer neobanking apps at Revolut, architected a high-performance messaging app, Brief, and owned and shipped from scratch my productivity pet project, Habitses. Background includes backend and platform development (Scala, Java, Python), database engineering (PostgreSQL, Core Data), earlier iOS development with UIKit and Objective-C, Android development (Kotlin, Java), and cross-platform mobile work.…Senior iOS Engineer with 10+ years of experience building mobile products across startups and Big Tech. Focused on Swift and SwiftUI, clean code, modular architectures, and design systems. Built and scaled successful mobile products across productivity, fintech, wellbeing, gaming, and SaaS, used by millions of users. I worked on a project management SaaS app at Adobe, on one of the largest consumer neobanking apps at Revolut, architected a high-performance messaging app, Brief, and owned and shipped from scratch my productivity pet project, Habitses. Background includes backend and platform development (Scala, Java, Python), database engineering (PostgreSQL, Core Data), earlier iOS development with UIKit and Objective-C, Android development (Kotlin, Java), and cross-platform mobile work.

Anton Gaenko

App Developer, Developer, Front-End Developer

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Senior iOS Engineer with 10+ years of experience building mobile products across startups and Big Tech. Focused on Swift and SwiftUI, clean code, modular architectures, and design systems. Built and scaled successful mobile products across productivity, fintech, wellbeing, gaming, and SaaS, used by millions of users. I worked on a project management SaaS app at Adobe, on one of the largest consumer neobanking apps at Revolut, architected a high-performance messaging app, Brief, and owned and shipped from scratch my productivity pet project, Habitses. Background includes backend and platform development (Scala, Java, Python), database engineering (PostgreSQL, Core Data), earlier iOS development with UIKit and Objective-C, Android development (Kotlin, Java), and cross-platform mobile work.…Senior iOS Engineer with 10+ years of experience building mobile products across startups and Big Tech. Focused on Swift and SwiftUI, clean code, modular architectures, and design systems. Built and scaled successful mobile products across productivity, fintech, wellbeing, gaming, and SaaS, used by millions of users. I worked on a project management SaaS app at Adobe, on one of the largest consumer neobanking apps at Revolut, architected a high-performance messaging app, Brief, and owned and shipped from scratch my productivity pet project, Habitses. Background includes backend and platform development (Scala, Java, Python), database engineering (PostgreSQL, Core Data), earlier iOS development with UIKit and Objective-C, Android development (Kotlin, Java), and cross-platform mobile work.

Available to hire

Senior iOS Engineer with 10+ years of experience building mobile products across startups and Big Tech. Focused on Swift and SwiftUI, clean code, modular architectures, and design systems. Built and scaled successful mobile products across productivity, fintech, wellbeing, gaming, and SaaS, used by millions of users.

I worked on a project management SaaS app at Adobe, on one of the largest consumer neobanking apps at Revolut, architected a high-performance messaging app, Brief, and owned and shipped from scratch my productivity pet project, Habitses.

Background includes backend and platform development (Scala, Java, Python), database engineering (PostgreSQL, Core Data), earlier iOS development with UIKit and Objective-C, Android development (Kotlin, Java), and cross-platform mobile work.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Russian

Fluent

Work Experience

Founder & Lead iOS Engineer at Habits

December 1, 2024 - Present

Built a wellbeing and habit-tracking iOS app from scratch; designed a reusable MVVM SwiftUI-based architecture; led end-to-end development across iOS, backend, database, and analytics; improved crash-free sessions to 99.99%; implemented remote config and A/B testing; enhanced accessibility for visually impaired users; delivered end-to-end Kanban-board features and cross-platform collaboration with Web/Android teams.

iOS Engineer at Adobe

June 1, 2022 - October 1, 2024

iOS SaaS engineer on enterprise product (Adobe SaaS). Migrated legacy components to native Swift/SwiftUI; improved sign-in/auth flows; migrated away from old libraries to native solutions, achieving 40% shorter build times; integrated GraphQL API for Kanban functionality; delivered a full Kanban board for projects/tasks; enabled cross-platform features with Web/React Native collaboration.

Senior iOS Engineer at Anna Money Fintech

September 1, 2020 - June 1, 2021

UK-based fintech for SMEs; worked on invoicing/mobile fintech product with >100K users. Built dedicated framework and sample app with mock data; accelerated feature development and testing by ~30%; introduced a core atomic design system in Swift reusable across SwiftUI and UIKit with snapshot tests; enhanced sign-in/auth flows and secure data handling; improved offline access and performance.

iOS Engineer at Revolut Fintech

February 1, 2020 - August 1, 2020

Global neo-bank app (65M+ users); redesigned home and account screens; modularized the home into a dedicated Swift module; improved test coverage and test architecture.

Senior iOS Engineer at Brief SaaS

October 1, 2016 - November 1, 2019

Messaging cloud SaaS for small businesses; led a migration to a clean, modular architecture; broke monolithic architecture into stable modules; transitioned from Massive View Controllers to MVVM; boosted delivery speed and achieved 99.99% crash-free stability; built multi-threaded file handling and offline capabilities; improved security for sensitive data and remote login; added snapshot tests to ensure stable UI implementation.

iOS Developer & Full-Stack Developer at Various Companies

September 1, 2010 - June 1, 2016

Developed mobile apps in Objective-C; built backend services in Scala/Python; web projects in GWT/JavaScript; cross-platform games/apps in ActionScript 3/Adobe AIR; worked across iOS, backend, and web stacks in multiple roles.