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 2025Present · 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 2024Present · 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.
Mobile Application DevelopmentHealthKitWidgetKitSwift ChartsFirebase AuthenticationUIKit+3

Education

Collegium Da Vinci

Bachelor's degree — Computer Science

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Pavel S. - Co-Founder | Stackforce