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Senior
Registration: 06.02.2025

Alexey Golikov

Specialization: iOS Developer
— Senior iOS Engineer with 12+ years of experience delivering App-Store-featured, high-scale mobile products in retail, fitness, AR and messaging. — Expert in Swift & Objective-C, and modern architectural patterns. — Combines deep technical skill with product sense to craft performant, testable code and mentor teams.
Swift Objective-C Xcode UIKit ReactiveCocoa CoreData Core Animation AVFoundation Realm Git Jira YouTrack Asana Core graphics Gcd RESTful API JSON Multithreading Design Patterns iOS iOS Human Interface Guidelines iOS SDK iOS Testing iOS Auto Layouts Jenkins C C++ Bdd tdd kanban REST GitHub Scrum GraphQL CI/CD methodologies fastlane Agile
— Senior iOS Engineer with 12+ years of experience delivering App-Store-featured, high-scale mobile products in retail, fitness, AR and messaging. — Expert in Swift & Objective-C, and modern architectural patterns. — Combines deep technical skill with product sense to craft performant, testable code and mentor teams.
Swift Objective-C Xcode UIKit ReactiveCocoa CoreData Core Animation AVFoundation Realm Git Jira YouTrack Asana Core graphics Gcd RESTful API JSON Multithreading Design Patterns iOS iOS Human Interface Guidelines iOS SDK iOS Testing iOS Auto Layouts Jenkins C C++ Bdd tdd kanban REST GitHub Scrum GraphQL CI/CD methodologies fastlane Agile

Portfolio

Banuba

● Improved first-action conversion 12 % → 38 % by building interactive onboarding (CoreAnimation). ● Mentored 2 engineers. ● Created logging system shortening bugfixing cycles by 25 % (CocoaLumberjack).

Verv

● Shipped “Home Fitness Workout by Verv” – “App of the Day” in 20+ countries, 70 M+ downloads, 54 k 5-star ratings (4.9 ★). ● Rebuilt onboarding (UIKit + Lottie animations) and launched personalised plans A/B tests → Day-7 retention +12 pp (9 % → 21 %). ● Set up symbolicated logging and crash management; crash-free sessions 99.88 % → 99.97 % over three months. ● Built workout-player engine with AVFoundation, CoreMotion/CoreLocation, and HealthKit integrations; session completion +18 pp.

Mercaux

● Lead iOS engineer for the Store Associate app powering 1 000+ stores in 32 countries. ● Cut initial sync 4 min → 1 min (−75 %) by adopting a server-generated Core Data store downloaded at launch (ReactiveSwift, Core Data). ● Added in-store cash, appointments and tasks management; average basket uplift +8.7 % across pilot stores. ● Introduced ReactiveSwift-based networking layer and modular Swift Package design, shortening feature cycles 25 %.

Skills

iOS
Swift
Objective-C
C/C++
Qt
JavaScript
VBScript
AppleScript
Matlab
Xcode
Jira
Scrum
Kanban
Waterfall
Git
SVN
UIKit
Core Graphics
RESTful APIs
JSON
XML
SwiftUI
Combine
Swift Concurrency
ReactiveSwift
Core Data
Instruments
Fastlane
CI/CD
GitHub Actions
Jenkins
XCTest
XCUITest
Quick
Nimble
SnapshotTesting
Static analysis
SwiftLint
Sourcery
SwiftGen
Clean Architecture
MVVM-C
SOLID
DI
TCA
Rest
GraphQL
Agile
TDD/BDD
Continuous Delivery
Mentoring
Code-review culture

Work experience

Senior iOS Developer
since 03.2025 - Till the present day |Interactive Ventures-FZCO
iOS, Objective-C, Realm, Git
● Senior iOS engineer for the video messaging app.
Senior iOS Developer
02.2022 - 01.2025 |Mercaux
Swift, Objective-C, Core Data, Git, UIKit, ReactiveSwift
● Lead iOS engineer for the Store Associate app powering 1 000+ stores in 32 countries. ● Cut initial sync 4 min → 1 min (−75 %) by adopting a server-generated Core Data store downloaded at launch (ReactiveSwift, Core Data). ● Added in-store cash, appointments and tasks management; average basket uplift +8.7 % across pilot stores. ● Introduced ReactiveSwift-based networking layer and modular Swift Package design, shortening feature cycles 25 %.
Senior iOS Developer
07.2018 - 07.2021 |Verv
Swift, Realm, Git, UIKit, ReactiveSwift, Lottie animations, AVFoundation, CoreMotion, CoreLocation, HealthKit
● Shipped “Home Fitness Workout by Verv” – “App of the Day” in 20+ countries, 70 M+ downloads, 54 k 5-star ratings (4.9 ★). ● Rebuilt onboarding (UIKit + Lottie animations) and launched personalised plans A/B tests → Day-7 retention +12 pp (9 % → 21 %). ● Set up symbolicated logging and crash management; crash-free sessions 99.88 % → 99.97 % over three months. ● Built workout-player engine with AVFoundation, CoreMotion/CoreLocation, and HealthKit integrations; session completion +18 pp.
Senior iOS Developer
08.2017 - 04.2018 |Banuba
Objective-C, Realm, Git, UIKit, CoreAnimation, CocoaLumberjack
● Improved first-action conversion 12 % → 38 % by building interactive onboarding (CoreAnimation). ● Mentored 2 engineers. ● Created logging system shortening bugfixing cycles by 25 % (CocoaLumberjack).
Senior iOS Developer
09.2012 - 01.2017 |Rakuten Viber
Objective-C, CoreData, Git, UIKit, ReactiveObjC, MVVM, RTL UI
● Served 260 M+ MAUs in 100+ countries via scalable group-chat architecture. ● Optimised DB fetching and image caching → launch 3 s → 1.2 s. ● Improved video and GIFs handling, usage rate 15 % → 28 %. ● Re-architected messaging engine into testable MVVM; unit tests 200 → 1450, bug-related hotfix releases 4 → 1 per quarter. ● Implemented testable RTL UI, automated 12 localization UI flows.
iOS Developer
09.2011 - 09.2012 |HiQo Solutions / RazorSync app
Core Data, iOS
● Shipped the field-service management app from zero to App Store pilot in 4 months. ● Added GPS-based live-technician tracker; dispatch-to-arrival ETA accuracy +25 % and cut “where-is-my-tech?” calls by 35 %. ● Engineered a Core Data-backed delta-sync service; median full sync time 12 s → 4 s (-68 %). ● Introduced 650 unit tests; crash-free sessions 97.2 % → 99.6 % within two release cycles.
Senior Software Developer
12.2005 - 09.2011 |Dual Lab
C++, Qt
● Developed C++/Qt publishing-automation suite handling 20 M+ documents/year for European print houses.
Software Developer
09.2003 - 12.2005 |Peleng
C, C++, Qt, MATLAB
● Programmed satellite sensor control firmware and image-compression pipeline for Earth-observation systems.

Educational background

Radio Physics
1998 - 2003
Belarusian State University

Languages

EnglishUpper IntermediateRussianNativeBelarusianNativePolishElementary