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Pawel – Swift, SwiftUI, iOS, experts in Lemon.io

Pawel

From Poland (GMT+2)

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Mobile DeveloperSenior
Hire developer
8 years of commercial experience
Healthcare
IoT
Mental healthcare
Transportation
Urban development
White label
Mobile apps
Lemon.io stats
2
projects done
310
hours worked
Open
to new offers

Pawel – Swift, SwiftUI, iOS

In 7 years of his career, Pawel has managed to try out very different professional roles. From working as an employee in a banking corporation to founding his startup: an application that aimed to improve office canteens' work, which allowed Pawel to explore a CEO role. Pawel has experience within healthcare and fintech business domains, but he is open to any new opportunities that might enrich his expertise!

Main technologies
Swift
5 years
SwiftUI
2 years
iOS
5 years
MVVM
3 years
Additional skills
RxSwift
UIKit
Objective C
Java
JavaScript
C
C++
C#
Node.js
IoT
Combine
Firebase
Git
CI/CD
HealthKit
GCD
Xcode
Testimonials
#19151596565Mobile Dev for learning app (SwiftUI, Firebase), part-time, ongoing
"Pawel was very helpful and his work was very important for me to understand our options. Lemon.io was also so valuable. "
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ASAP
Direct hire
Potentially possible

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Experience Highlights

Senior iOS Developer
Feb 2022 - Jun 20231 year 4 months
Project Overview

It is an app to help you with its valuable feeding and sleep insights. It means you spend less time worrying and more time cherishing special moments and milestones with your baby. The application manages and lets you control IoT smart devices such as a Wearable Breast Pump, Baby Monitors, and a "Sleep Trainer" Clock.

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Responsibilities:
  • created IoT communication layer
  • created virtual devices layer to help test features across a distributed team
  • built custom and reusable SwiftUI components
  • integrated with Tuya SDK platform for IoT communication
Project Tech stack:
SwiftUI
Combine
IoT
Senior iOS Developer
Dec 2021 - Oct 202210 months
Project Overview

The application is a complete resource for mental well-being and fulfillment. It is a complex mobile app with valuable user resources locked behind a paywall. It is packed with rich text articles, multimedia guides in video and audio form, progress tracking, curated courses, and more. It has an interactive home screen with hand-picked daily flip cards, inspirational quotes, and surveys for self-assessment.

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Responsibilities:

This project required the implementation of an innovative home screen "feed" that could be curated for each user individually and was implemented as parsable, configurable "blocks."

  • Worked with the team on implementing over 20 block types, such as flippable cards, quotes of the day, self-assessment surveys, course propositions, article propositions, and more.
  • Contributed to renewable subscription functionality using Apple's in-app purchase feature, a trial period, and a mechanism for A/B testing different subscription price-duration combinations, which was required for most content locked behind a paywall.
Project Tech stack:
Swift
RxSwift
UIKit
SwiftUI
Senior iOS Developer
Feb 2021 - Dec 202110 months
Project Overview

It is a menopause relief application aimed at helping users manage menopause symptoms for a better quality of life. Project's functionality included health kit integration for tracking steps, setting personalized habits of various types (taking a walk, sleeping, eating healthy, etc.), displaying rich text articles and media to its users, and more. Some of the functionality was locked behind a paywall.

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Responsibilities:

This project required integrating a mobile application with Health Kit for sleep and step tracking.

  • Contributed to the implementation of Push Notifications to serve as reminders for those set habits and local notifications for more straightforward reminders;
  • Worked on in-app purchases of renewable subscriptions, together with a trial period and mechanisms for A/B testing, which was required for a functionality locked behind a paywall.
Project Tech stack:
Swift
RxSwift
UIKit
Senior iOS Developer
Apr 2019 - Sep 20201 year 5 months
Project Overview

The project is based around the leading public transport ticketing application for Scandinavian countries. The platform had to be created as a white-label project to be suitable for many regions, as each region demanded different functionalities and UI. Protocol oriented nature of this project, along with dependency injection allowed for high testability and universality, without which developing such a project would not be possible.

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Responsibilities:
  • Improved and refactored a lot of legacy code without breaking any functionality;
  • Due to a very strict 80% test coverage policy, was responsible for writing unit and UI tests for every feature added;
  • Worked on automation of every part of the test and release pipeline, while managing over 10 active targets built from a single code base;
  • Implemented various payment systems that worked in each region, such as VIPPS, Apple Pay, and simple card payments.
Project Tech stack:
Swift
Objective C
RxSwift

Education

2017
Telecommunications
Engineering

Languages

English
Advanced

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