Resume

Employment

Nov 2022 - Present

Senior iOS Developer

kevin.

- Built kevin. iOS SDK for online payments
- Maintained a CI/CD on GitLab and GitHub

Tech stack: Swift, SwiftUI, Combine

Feb 2022 - Sep 2022

Senior iOS Developer

Xapo
Feb 2013 - May 2013

Python Developer (Full-Time, On-site)

Brainly

• Worked as a part of a team responsible for REST API maintenance, bug fixing and implementing new features in high traffic web environment.
• Tech stack: Python, MySQL, JavaScrip

Jul 2011 - Feb 2013

Web Developer (Full-Time, On-site)

IDMSA Brokerage House

• Worked on development of private market trade platform.
• Tech stack: Python, MySQL, JavaScript, HTML

Education

2013 - 2015

Master of Computer Science

Jagiellonian University

• Faculty of Physics, Astronomy and Applied Computer Science

2010 - 2013

Bachelor of Computer Science

Jagiellonian University

• Faculty of Mathematics and Computer Science, Krakow, Poland

Contracting

Projects I worked on as a contractor. 

Jan 2020 - Dec 2021

Mobile Developer

Clemens

• Worked on iOS app from scratch in SwiftUI and Combine
• Worked on of Android app from scratch with Kotlin
• Built and maintained CI/CD flow using Fastlane and Bitrise

Feb 2018 - Jun 2022

IT Consultant

BNP Paribas Personal Finance

• Worked alongside an other Consultant on a file transfer application for BNP branches in Central Europe
• Coordinated work and file transfer flows with teams from other countries
• Tech stack: Python, Bash, PowerShell

Aug 2016 - Dec 2020

Senior Mobile Engineer

Invis Wearables

• Led team of three developers which worked on two Invis Wearables Android apps (Java & Kotlin) and backend API (Python/Django)
• Supported development of iOS App
• Built and maintained CI/CD flow using Fastlane and Bitrise
• Solved a lot of technical challenges with bluetooth low energy connectivity

March 2015 - May 2016

Mobile Developer

Mi Heart Rate

• Worked on iOS app as a part of a team
• Worked on Android app as a part of a team
• Hacking MiBand 1 & 2 bluetooth API

Jul 2014 - Dec 2014

Android Developer

Bayer AG

• Created Inova Smart Android app from scratch in Java

My applications

Projects created entirely by me, starting from an idea and graphic design, through development to maintenance.

Feb 2019 - Present

Clip - One Second Videos

• Designed and created the Clip - One Second Videos iOS App
• 4.6+ Rating in App Store
• Built and maintained CI/CD flow using Fastlane and Bitrise
• 34k+ users
• Tech stack: Swift, UIKit, AVFoundation, Swift UI, MVVM, Firebase, In-App Purchases

 

April 2017 - March 2020

Yi Pro

• Designed and created the Yi Pro apps for iOS and Android
• Worked with non-public Yi Action cameras API over BLE and Wi-Fi
• Tech stack: Swift, Kotlin, VLCKit, MVVM, TCP Sockets

Jan 2017 - Dec 2019

Smog Alert

• Designed and created the Smog Alert App for iOS, WatchOS and Android
• Developed backend (REST API and data collectors) in Python (Django, Celery)
• App reached top #1 in Weather in App Store (2018)
• 140k+ users
• Tech stack: Swift, RxSwift, Realm, Kotlin, Firebase, In-App Purchases

Skills

Programming

Swift

85%

iOS

80%

Kotlin

80%

Java

60%

Android

85%

Python

70%

Django

75%

Others

OOP

80%

GIT

85%

TDD

65%

Databases

SQL (SQLite, MySQL, PostgreSQL)

85%

Redis

55%

Realm

80%

MongoDB

55%