iOS Developer

OLEKSANDR RAZUMNYI

PERSONAL DETAILS

Phone: +1-445-***-****

E-mail: *********.********@*****.***

Location: Philadelphia, PA

Links:

github.com/Sandroron

linkedin.com/in/ORazum

SUMMARY

I am an iOS developer with over 5 years of hands-on expertise in building mobile applications using Swift and other relevant technologies. My background includes developing apps in the areas of social media, healthcare, and sales administration, allowing me to work through the complete application development lifecycle — from conceptual design to App Store deployment.

WORK EXPERIENCE

Middle iOS Developer

Customertimes

2022–2024

- Collaborated with a team of Salesforce developers to resolve bugs across more than 10 projects, ranging from recent SwiftUI-based apps to legacy projects developed in Objective-C from 2013

- Released new and urgent app versions using CI/CD pipelines (Fastlane, Bitrise) and distributed them via TestFlight or Firebase

- Contributed to enhancing the company's visibility on social media by participating in competitions and writing 3 visionOS articles

Junior iOS Developer

Kvadrosoft

2018–2022

- Completely rewrote a new redesigned version of the iOS application by designs in Figma for a book reader's social network from scratch under the guidance of the architect

- Released the first commercial app (LiveLib) in the App Store, communicated with users and constantly maintained the rating at 4.7 out of 5 via new updates

- Support to the app with more than 2M users and 10k daily users according to integrated Google Analytics

Intern as a Designer/Front-End Developer

iDev, MakeBeCool and PSTU

2016–2018

- Learned the basics of design and basic HTML/CSS/JS web programming from several local companies and startups (while in university). Created more than 10 landing pages Photoshop/Design Specialist

Kaffeine, Freelancer at UpWork

2016–present

- Creation of business cards, flyers, signs, logos and various designs for business. Editing images in Adobe Photoshop and Illustrator, animation of cartoons TECHNICAL SKILLS

Programming Languages: Swift (from 2017); Objective-C (2022+), basic HTML/CSS/JS and JSON (2015+); Lua (2013-2018).

Design Software: Familiar with inVision and Figma design platforms. Adobe CC (Photoshop, Animate, Illustrator), CorelDRAW.

EDUCATION

Master of Computer Science (Honors)

Pryazovskyi State Technical University (PSTU)

2014-2019

Ukraine

PUBLICATIONS AND ACHIEVEMENTS

iOS Dev Challenge by Readdle

1st Place, SplitSpend app

2023

- Developed an expense tracking application in a short period of time. All-Ukrainian Student Olympiad in Mobile App Development 1st Place, ToARist app

2019

- Landmark recognition app based on Core ML and ARKit All-Ukrainian IT Project Management Olympiads

2st Place, Classic quest apps

2017-2018

- Participated as a Designer/Animator. https://olymp.fruch.pw Hobby project

1DGAME

2014-2018

- An iOS/Android/PSP game based on Lua featuring the concept of the one-dimensional world. Was available in App Store, Google Play in 2018-19

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