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Max Kojin

PROFILE

Max Kojin

Over thirteen months, Nick Grach engineered robust map and travel features for the osmandapp/OsmAnd-iOS repository, focusing on POI management, map interaction, and localization. He delivered enhancements such as dynamic icon catalogs, asynchronous POI filtering, and profile-based theming, using Swift, Objective-C, and C++. His technical approach emphasized maintainable code through extensive refactoring, code cleanup, and UI/UX refinement, addressing stability and data integrity across map rendering and search workflows. By integrating internationalization and robust error handling, Nick improved user experience and cross-team collaboration. His work demonstrated depth in algorithm implementation, data parsing, and scalable UI development for a production iOS app.

Overall Statistics

Feature vs Bugs

40%Features

Repository Contributions

196Total
Bugs
59
Commits
196
Features
40
Lines of code
28,809
Activity Months13

Work History

October 2025

4 Commits • 1 Features

Oct 1, 2025

October 2025 OsmAnd-iOS focused on user-facing POI improvements and data robustness, delivering tangible UX and data fidelity gains for travel planning.

September 2025

4 Commits • 2 Features

Sep 1, 2025

For OsmAnd-iOS, Sep 2025 delivered targeted features and stability fixes that improve data accuracy, map interaction, and UI safety, with clear traceability to commits.

August 2025

6 Commits • 2 Features

Aug 1, 2025

Monthly summary for OsmAnd-iOS (2025-08): Delivered a set of feature enhancements and reliability fixes that improve map interaction, route/search UX, and data organization, while stabilizing POI display and OSM data handling. These efforts advance user discovery, data integrity, and maintainability of map data pipelines.

July 2025

4 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary focusing on cross-repo development across OsmAnd-core and OsmAnd-iOS. Key API enhancements to the routing context and targeted stability fixes delivered to improve user navigation, data integrity, and error reporting. Demonstrates strong cross-platform collaboration, code quality, and traceability through explicit commits and descriptive issue ownership.

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 OsmAnd-iOS monthly summary focusing on delivered features, fixed bugs, impact, and skills demonstrated. Highlights include a new travel content discovery feature and localization fixes that improve user experience across locales.

May 2025

5 Commits • 1 Features

May 1, 2025

May 2025 OsmAnd-iOS monthly summary focusing on color customization UX enhancements and targeted bug fixes. Delivered user-visible improvements to color palette management, stability of the color picker, and persistence of the last-used icon, along with a critical fix for the Favorite Groups last-used icon tracking.

April 2025

26 Commits • 2 Features

Apr 1, 2025

April 2025 OsmAnd-iOS: Focused on stability, UX enhancements, and robust color/POI rendering across the map experience. Delivered targeted fixes and UX improvements, leading to smoother navigation, more reliable color rendering, and fewer edge-case crashes. Notable outcomes include: improved POI UX with a deliberate delay before icons screen closes; multiple POI stability fixes addressing freezing and nautical row blinking; comprehensive color component robustness fixes to prevent crashes and improve appearance tracking; build stability improvements fixing regions.ocbf download crash; routing reliability improved with Plan route segment fix 2; and UI polish via bottom offset fix and related appearance updates. All changes are traceable to specific commits listed below, enabling precise QA verification and faster release readiness.

March 2025

18 Commits • 1 Features

Mar 1, 2025

March 2025 OsmAnd development highlights: Delivered a comprehensive Icon and POI UI/UX overhaul on OsmAnd-iOS, introducing a new icon catalog, improved sizing/layout, and streamlined POI/profile icon selection flow. Implemented stability improvements across search and map features by fixing crashes in search and polygon editing flows and addressing related map UI issues. Resolved localization reliability by eliminating duplicate translation keys across language files. Executed codebase cleanup and refactoring to improve readability, consistency, and maintainability of core enums and code paths. In OsmAnd-core, Travel Guides: Popular Articles now robust against empty POI filters due to improved null handling in the filter logic. Business impact:** reduces crash risk, enhances user experience, and enables faster iteration on UI/icon features; Maintains long-term code quality and cross-module consistency. Technologies/skills demonstrated include Swift, Objective-C, and C++ integration on iOS, cross-repo git hygiene, and targeted refactoring for performance and readability.

February 2025

30 Commits • 8 Features

Feb 1, 2025

February 2025 OsmAnd-iOS performance and stability month: stabilized map interactions, elevated UI/UX, and expanded POI/icon capabilities. Delivered profile-based theming for location radius, introduced a new POI icon selection component, improved POI categorization and search, and refined navigation and text rendering. Implemented targeted fixes to ensure reliability, reduced visual inconsistencies, and laid groundwork for scalable theming and components.

January 2025

66 Commits • 11 Features

Jan 1, 2025

January 2025 OsmAnd-iOS monthly summary: Delivered multiple high-impact features and essential bug fixes, emphasizing data fidelity, visual consistency, and maintainability. Business value realized through data-driven behavior, improved map/UI reliability, and a stronger codebase for faster future iterations. Key features delivered: - Adopted the database field Expected_durationd across modules (DB-driven feature) [commits: 1691cb2a8e4e912b6ce02b224a1d12df39b2bf5c; 5d2cd7f21f3e2e0e834d845e441eee625e54dac6; e46c806b27e002e5938cbb94a531fe3b009aefae]. - Polygon UI/UX enhancements: show/hide polygon on context, click-to-show, polygon icons, display for foi objects, within-context polygon selection, and nearby polygon fetching [commits: e70e6c50ca3b462e5f1e6d464bf790b63af6639d; 746804867151542926a7b86b4673332ba871fe31; 9656d62066b2bb01ba18306c232440a1ac98969a; 22b8c616a0e64042ab17edfaaa500a0b5835db38; e2efa7ab7fa595458b53ae6484365ebbc8f11335; 6573ce7d5e17d97e34f106eb472e333c56e9bd23]. - Area Sorting and Asynchronous POI/Amenity Filtering: added area-based listings sorting; filtered nearest POIs with async searching [commit: 4171ef6f62a9d27e9d40ad2c13b532080c10e41e; cea320070732405f2f01cc168b6bba7897a96f57]. - ARGB color support for Waypoints and groups, with opacity preservation and improved color handling across the UI [commits: 72d35d3c1c5dc75a17f4eba68597f80f253f26ae; 331d4c2f70fdedbdee7dd62fc96a475e68ee6411]. - Code refactor and Swift rewrite to improve maintainability and readability; broad cleanup across codebase [commits: 37b369bd97b3ef3a409acf06cd7b8fb22ead46df; d83004be1ded324a683bc0ee4da79a0e8c76b3e6; e56b3769858cdb09f0f532f78792e976bd17ec3e; d96fe4b8f550559937911a59aa9222306b3b3ff6; 7b32ec876c78c633db98ae207522d9cf01fbf248; c0a1140a7f9382e8aa01755f7e2e54f78dc00275; 84f87ed7616179d5de4a210e7602dd715f499d07; 2d8e49b0155651fd3acb71a9e38e0530c457f40d]. - Buildings context menu enhancements: show context menu for buildings and write location type in context menu [commits: ab64f18387f60f0ef2181690f6ab6eaf2cbba9dc; b6afce262526d7b59a05cf9b19722efa94648b7d]. - Translation script deprecation compliant update: reflect deprecation in codebase [commit: 534ebeb0c9ee8e69219a27aba81b2e71d9a841c8]. - UI Icon enhancements in menus to improve discoverability [commits: 4e1694e856912ac4c91974b9272eb70ec79f1455; a83742c66c17af2e3cfbe3cdd3addfc1ec3819c3]. Major bugs fixed: - User position indicator color fixed to ensure consistent rendering [commit: 2a0c2b36dc41df4e92829e4520baece7dc88c0d7]. - HUD mapMode button color now updates correctly with state changes [commit: f704f76fd2de39cd5b259c886514d0574e47b35d]. - ARGB/color handling fixes to preserve opacity and correct conversions across UI elements [commits: 2780ca62573d549c9d456ee5a1694dac61e6436d; d2ac191fb891de299373b84053d87be987e0d0e6; c17e57d207ef98a8934f7a318203630c958b9dfe]. - Animations export export/export fixes to ensure correct data export [commits: 5f968ea3d7d1a81455638bd71acab1f8d2da317c; 45e2ed9d33510605c8e4e4eebe9e6bf885bd496f]. - Zoom crash when zooming polygons fixed [commit: 1257055ef5cbe3cfe049c5063667d38b4f6e9f59]. - Icon rendering/state after downloads and icon resource handling improvements fixed stale/reload issues [commits: 6c7d74c25d606ec0b30705156ed1ab318e40af72; 8bc17fcadc2bead809e28deb53f03f354220dd7a; 09e8cb3a3f86f79aa1fa879420339251f3451de8]. - Various review/workflow fixes to stabilize code-review processes [commits: 1743b981f7f851e6fe17a9307f6e66fbee3d3ff6; 1e9db5db623956067365d1a5e10d768a3f1b0c67; 8fb7a73ab695da4df992eee2748dfc6ff6b861c3]. - Bug parsing and naming issues addressed (POI parsing, name parsing, WPT->POI conversion with map file, etc.) [commits: 071fb19c1c45c86988eac5f04b6859ef5f2048c5; d902d3d68e6d8b2cc09e59a31d70c2d903d46361; 37be7438e22232d0e0b27ea37b691db3b4e1e618].

December 2024

16 Commits • 4 Features

Dec 1, 2024

December 2024 performance summary for osmandapp/web and OsmAnd-iOS, highlighting developer experience, map features, and stability improvements across the two repositories. Key outcomes: - iOS build reliability: implemented a practical workaround for the "CMake Error: iphoneos is not an iOS SDK" issue and updated the docs to include this Solution 3, reducing iOS build blockers and enabling smoother contributor onboarding. - iOS developer workflow enhancements: upgraded the iOS build guide with Kotlin debug plugin installation instructions and refined troubleshooting steps to improve build success rates and developer experience. - Map UX enhancements: introduced Polygon Context Information in the Map view and laid groundwork for POI management with a new POI data model and upload/delete UI workflow, improving data context and user workflows. - Rendering and UI stability: addressed multiple rendering and UI consistency issues across map layers, including GlideAverageWidget icon updates, UI refactor, and a series of weather rendering/layer synchronization fixes to stabilize visuals and behavior. - Stability and crash prevention improvements: fixed lifecycle crashes and overlay/UI layout problems, notably Life Updates creation time crash and Street Name Widget layout issues, enhancing app reliability for end users. Overall impact: these efforts reduce build blockers, improve map data accuracy and usability, and demonstrate strong capabilities in iOS tooling, Kotlin integration, map rendering architecture, and robust UI engineering.

November 2024

13 Commits • 5 Features

Nov 1, 2024

November 2024 OsmAnd-iOS monthly summary: Delivered stability improvements, feature enhancements, and UI/UX refinements that drive user value and retention. Key work spans map data handling fixes, POI linking and configuration refactors, pro-features visibility on the plan screen, new route icons, localization updates, and UI typography improvements for downloads. These changes improve reliability, data accuracy, and user perception while enabling better monetization and localization reach.

October 2024

2 Commits • 1 Features

Oct 1, 2024

Month: 2024-10 — Location Simulation Improvements for OsmAnd-iOS: fixed crash in location simulation by correcting how the user location updates with heading information, and enhanced simulation classes with new initializers and helper methods to provide granular control over location properties for more accurate and robust simulated GPS data. Includes minor cleanup to improve maintainability and reduce drift in test scenarios.

Activity

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Quality Metrics

Correctness85.8%
Maintainability85.2%
Architecture78.4%
Performance77.6%
AI Usage21.6%

Skills & Technologies

Programming Languages

C++JSONLocalizationMarkdownObjective-CObjective-C++QMLShellStringsSwift

Technical Skills

Algorithm ImplementationAsynchronous ProgrammingAuto LayoutBackup ManagementBug FixingBuild ScriptingBuild SystemsC++C++ DevelopmentCachingCell SizingCloud IntegrationCode CleanupCode ConsolidationCode Organization

Repositories Contributed To

4 repos

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

osmandapp/OsmAnd-iOS

Oct 2024 Oct 2025
13 Months active

Languages Used

Objective-CLocalizationStringsSwiftC++Objective-C++JSONXML

Technical Skills

Code CleanupGPS SimulationLocation ServicesiOS DevelopmentCore LocationInternationalization

osmandapp/web

Dec 2024 Dec 2024
1 Month active

Languages Used

Markdown

Technical Skills

Build SystemsDocumentation

osmandapp/OsmAnd-core

Mar 2025 Jul 2025
2 Months active

Languages Used

C++QML

Technical Skills

C++Software DevelopmentQt

osmandapp/OsmAnd-resources

Feb 2025 Feb 2025
1 Month active

Languages Used

No languages

Technical Skills

No skills

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