Open to opportunities

Alexander Zhylenko

@alexanderzhylenko

Message

iOS Developer. 9+ yr of experience building native iOS apps for startups and product teams.

Germany

Message

As a freelancer, I value clarity, ownership, and async-friendly collaboration.

Experience

Work history, roles, and key accomplishments

Current

Senior iOS Developer

Current

Lumina-Mobile

Nov 2024 - Present (1 year 7 months)

Led and delivered 6 iOS projects for startups, building 3 apps from scratch and optimizing 3 to achieve 99% crash-free stability while coordinating full lifecycle delivery and mentoring engineers.

Swift SwiftUI UIKit Combine Firebase REST APIs Architecture Mentoring Code Review

Senior iOS Developer

Independent / Part Time

Jan 2024 - Nov 2024 (10 months)

Provided part-time iOS development using SwiftUI, SwiftData and async/await, focusing on scalable architecture, performance and maintainability for small businesses and startups.

SwiftUI SwiftData Concurrency (async await)Architecture Performance Optimization Maintainability Swift Swift Data

Senior iOS Developer

SSA-Group

May 2022 - Jan 2023 (8 months)

Contributed core iOS features and performance/architecture improvements for a large-scale health & fitness social app, and implemented IAP with secure backend subscription flows.

Backend Integrations Swift UIKit MVVM In App Purchases Performance Optimization Architecture REST APIs

iOS Developer

NIX Solutions

Sep 2015 - Aug 2021 (5 years 11 months)

Developed diverse iOS applications including work on a large-scale project with 300,000+ users, served as tech lead for small teams and mentored junior developers.

Objective C Swift UIKit MVVM Core Data Team Leadership Mentoring Mobile Architecture