David

DAVID CHESHENKO
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Junior iOS Developer with hands-on experience in building iOS applications
using Swift. Confident in developing user interfaces with UIKit and working
with MVC and MVVM architectures, applying OOP and S.O.L.I.D. principles in
daily development. Experienced with AutoLayout, SnapKit, CoreLocation, and
MapKit, managing dependencies with CocoaPods, and using Git for version
control. Passionate about growing in mobile development, improving code
quality, and deepening knowledge of the iOS platform.

WORK EXPERIENCE:

PULS Software 06.2024 - 08.2025
Kharkiv, Ukraine

Developed and implemented new features in 2–3 iOS applications using Swift,
increasing user engagement by 15%.
Optimized integration with RESTful APIs and Firebase, reducing app response
time by 20–25%.
Fixed critical bugs and performed testing on various devices and iOS versions,
improving app stability by 30%.
Participated in code reviews, helping to reduce the number of release errors
by 15%.
Implemented Crashlytics for error tracking, enhancing app support quality and
reducing crashes.
Supported App Store releases for 3–4 projects, ensuring timely updates and
stable app performance for users.

PulsAuto, Kharkiv, Ukraine 2019 - 2022

Developed and implemented new features in 2–3 iOS applications using Swift,
increasing user engagement by 15%.
Optimized integration with RESTful APIs and Firebase, reducing app response
time by 20–25%.
Fixed critical bugs and performed testing on various devices and iOS
versions, improving app stability by 30%.
EDUCATION:
IT Prog Academy 2017 -2018
Python Developer kurs

Studied the fundamentals of programming in Python.
Learned object-oriented programming principles and data handling concepts.
Completed practical assignments and training projects as part of the course.

National Aerospace University Kharkiv Aviation Institute 2010 - 2014
Bachelor's degree in Computer Engineering