Pavel S.

Co-Founder

Poland10 mos experience

Key Highlights

Proficient in Swift and iOS development.
Successfully launched a shared living app on the App Store.
Reduced memory usage significantly in mobile applications.

Stackforce AI infers this person is a proficient iOS Developer with a focus on user-centric mobile applications.

Contact

Skills

Core Skills

Ios DevelopmentSwift

Other Skills

Cloud FirestoreSwiftUIMVVMFirebaseApp Store deploymentFirebase FirestoreCloud FunctionsFCM push notificationsMobile Application DevelopmentHealthKitWidgetKitSwift ChartsFirebase AuthenticationUIKitiOS Design

About

iOS Developer with 1+ year of commercial experience in building and shipping iOS applications. Proficient in Swift and dedicated to delivering user-focused solutions. Proven ability to deliver full-cycle development — from requirements and architecture to App Store deployment. Strong collaboration skills, working directly with designers, clients, and product teams.

Experience

Luumi – shared living app

iOS Developer, Founder

May 2025 – Present · 10 mos

Developed, and launched Luumi — a shared living app that helps roommates and couples manage tasks, restocks, and daily responsibilities.
Collaborated with a designer to shape user experience and visual identity.
Currently leading ongoing product development, shipping features, optimizing performance, and fixing bugs based on user feedback.
Built native iOS app using Swift, SwiftUI, and MVVM architecture
Integrated Firebase Firestore, Cloud Functions (JavaScript), and FCM push notifications
Developed key modules: recurring tasks, restock automation, and LiveActions
Worked closely with designer to translate product vision into clean, intuitive UI
Managed all technical aspects: architecture, backend logic, testing, App Store deployment
📱 Live on the App Store(175 countries) (since July 2025):
https://apps.apple.com/us/app/luumi-shared-living-app/id6748727744

Cloud FirestoreSwiftUISwiftMVVMFirebaseApp Store deployment+1

Ios developer

iOS Developer

Oct 2024 – Present · 1 yr 5 mos · Poland · Remote

Reduced memory usage by 230-250% by researching Apple documentation and refactoring JSON-based image retrieval, significantly decreasing memory footprint for assets.
Integrated comprehensive HealthKit data display into watch complications: steps, heart rate, sleep analysis, calories, and insulin tracking - designed custom UI components to present health metrics clearly.
Built themed countdown widgets using WidgetKit, including Christmas and holiday countdowns with custom UI, supporting multiple widget sizes and timeline updates.
Developed interactive Charts using Swift Charts framework to visualize health trends and data over time within the app.
Implemented Firebase Authentication to unify and secure login flows, reducing friction and improving session reliability for users.
Modernized legacy screens by migrating key flows from UIKit to SwiftUI, reducing UI code complexity and speeding iteration for
the team.
Productized UI by building reusable components adopted across multiple screens, cutting duplicate code.
Fixed UI bugs and applied Auto Layout for multiple iPhone models.
Hardened layouts for all iPhone sizes: audited constraints and eliminated clipping/overlap.