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Krzysztof Kwiatkowski

PROFILE

Krzysztof Kwiatkowski

Kestutis developed core features for the Wspolny-Dojazd/frontend-mobile repository, delivering a robust mobile app foundation with internationalization, map-based navigation, and real-time location tracking. He architected reusable React Native components, implemented dark mode and theme-aware UI, and established a scalable API integration layer using TypeScript and OpenAPI. His work included stabilizing authentication flows, refining chat and friend management UX, and enhancing pathfinding and transit features with accurate distance calculations. By improving error handling, code quality, and developer tooling, Kestutis ensured maintainable, cross-platform code that accelerated feature delivery and improved user experience across authentication, navigation, and group collaboration workflows.

Overall Statistics

Feature vs Bugs

84%Features

Repository Contributions

62Total
Bugs
6
Commits
62
Features
31
Lines of code
76,684
Activity Months4

Work History

June 2025

13 Commits • 4 Features

Jun 1, 2025

June 2025 monthly summary for Wspolny-Dojazd/frontend-mobile: Implemented key frontend features and stability improvements across development workflow, UI/UX, access control, and API enhancements. These changes delivered measurable business value: streamlined setup and build stability, polished UI with accurate translations, enforced creator-only transit edits for data integrity, API-driven navigation accuracy, and improved error handling and distance displays for better user experience.

May 2025

6 Commits • 4 Features

May 1, 2025

May 2025 monthly summary for Wspolny-Dojazd/frontend-mobile. Key features delivered: - Chat Enhancements and Error Handling: Strengthened chat screen robustness, updated API definitions, and clearer backend error messages for smoother backend integration. Commits: 9b989da5fe8ed3dc7d1f0d6d06678672375b91c7. - Friend Management UX and API Alignment: Refactored invitation/search flows, aligned OpenAPI types, and enhanced UI for managing friend requests. Commits: 1d50ab35890ba0dd93656e5deab74a85ff9f7bdc; fd0982b3f5597d15957f6f85717ca695f4ad18c3. - Transit and Navigation UI/Pathfinding Improvements: Refined transit UI, improved map path visuals, and loading/error handling for pathfinding; UI polish for transit display. Commits: 25d937295be5a40619290f1b3541419366f62593; 27e1d42bad6a60982ddb20c82b2548e3eb10754d. - Documentation Update for Expo Go Installation: Updated README to provide direct development APK link for Expo Go compatibility. Commit: 06f0546cfaf7d71b20f19d0e9616be3370c7a54b. Major bugs fixed: - Resolved pathfinding loading issues and map rendering glitches; improved error handling across chat and transit modules (reflected in pathfinding and UI-related commits including 25d937...). Overall impact and accomplishments: - Increased reliability and usability across core user flows (chat, friends, navigation), delivering business value through more stable features and clearer error handling. - Safer backend integration via API type alignment (OpenAPI) reducing future integration risks. - Accelerated developer onboarding and local testing with improved Expo Go documentation. Technologies and skills demonstrated: - React Native / TypeScript, API contract alignment (OpenAPI), UI/UX refinement, robust error handling patterns, map/pathfinding UI improvements, Expo Go workflow, and code quality improvements.

April 2025

21 Commits • 9 Features

Apr 1, 2025

April 2025 performance summary for Wspolny-Dojazd/frontend-mobile: Delivered a cohesive set of features, reliability fixes, and API/UX improvements across the mobile frontend. Highlights include the new User Preferences System (dark mode, language, and theme), stabilized authentication and navigation flows (reliable login, logout on token expiry, and redirect to home after login), API surface alignment across endpoints, and enhanced group view/transit UI with backend integration and a mock transit view. Additional improvements include pathfinding and map feature enhancements, ongoing code quality enhancements, and dependencies updates. The work demonstrates strong UX focus, robust state management, and improved developer velocity through consistent API usage and maintainable code.

March 2025

22 Commits • 14 Features

Mar 1, 2025

March 2025 (Wspolny-Dojazd/frontend-mobile): Delivered a solid mobile app foundation and a suite of UI features, establishing an architecture for rapid, high-quality delivery while laying groundwork for internationalization, backend integration, and map-based functionality. Key outcomes include a scalable project bootstrap with Expo router and reusable components, a dark mode implementation with consistent UI primitives, and a suite of navigation and screens (bottom tabs, login/register placeholders, profile routes, and home search) as well as an API scaffolding for backend integration. Code quality improvements (auto-formatting and lint), dead code removal for maintainability, and documentation updates. Also introduced map example and a preview-build fix to ensure MapView operates in preview mode. These efforts position the team to ship features faster with multi-language support and stronger type-safety.

Activity

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Quality Metrics

Correctness87.4%
Maintainability86.4%
Architecture83.2%
Performance81.6%
AI Usage29.0%

Skills & Technologies

Programming Languages

CSSDockerfileJSONJSXJavaScriptMarkdownShellTSXTypeScripttsx

Technical Skills

API DefinitionAPI DesignAPI DevelopmentAPI IntegrationAsyncStorageAuthentication FlowBackend DevelopmentBuild SystemsBuild ToolsCSSCode FormattingColor TheoryComponent ArchitectureComponent DevelopmentComponent Library Integration

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

Wspolny-Dojazd/frontend-mobile

Mar 2025 Jun 2025
4 Months active

Languages Used

CSSJSONJavaScriptMarkdownTypeScripttsxJSXTSX

Technical Skills

API IntegrationCSSCode FormattingComponent Library IntegrationComponent ReusabilityDocumentation

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