timkin-vn/CSharpCollege
Nov 2024 – Apr 2026
15 Months active
Languages Used
C#JavaScriptCSSHTMLXMLXAML
Technical Skills
Business LogicBusiness Logic LayerC#Data AccessData Access LayerFile I/O
Тимкин Владимир
PROFILE
Тимкин Владимир
Over 15 months, Timkin delivered a suite of productivity and educational applications in the timkin-vn/CSharpCollege repository, including a 15-puzzle game platform, graphical editors, calculators, and card management systems. He applied C#, WPF, and ASP.NET MVC to build modular architectures with clear separation between UI, business logic, and data access layers. His work emphasized maintainability through patterns like MVVM and repository, robust data serialization across formats, and scalable backend services with database integration. By focusing on cross-platform readiness and reusable components, Timkin enabled rapid feature iteration, streamlined onboarding for student groups, and improved data portability and workflow efficiency.
Overall Statistics
Feature vs Bugs
97%Features
Repository Contributions
76Total
Bugs
1
Commits
76
Features
33
Lines of code
1,795,905
Activity Months15
Work History
April 2026
1 Commits • 1 Features
Apr 1, 2026In April 2026, delivered essential CardFile enhancements for timkin-vn/CSharpCollege: a new file management and data serialization layer that supports saving and opening card data in JSON, XML, and binary formats, along with comprehensive card collection management. These changes improve data portability, enable cross-format interoperability, and streamline user workflows by reducing manual data handling. The work lays a solid foundation for future features such as bulk import/export and integration with external services. The changes were committed under the CardFile scope for groups 24/3 and 24/4.
1 Commits • 1 Features
Apr 1, 2026In April 2026, delivered essential CardFile enhancements for timkin-vn/CSharpCollege: a new file management and data serialization layer that supports saving and opening card data in JSON, XML, and binary formats, along with comprehensive card collection management. These changes improve data portability, enable cross-format interoperability, and streamline user workflows by reducing manual data handling. The work lays a solid foundation for future features such as bulk import/export and integration with external services. The changes were committed under the CardFile scope for groups 24/3 and 24/4.
April 2026
March 2026
6 Commits • 3 Features
Mar 1, 2026March 2026 (2026-03) monthly summary for timkin-vn/CSharpCollege: Delivered three core features across multiple groups, establishing a solid desktop-tooling foundation and data-management capabilities. Key features shipped include a WPF Calculator Application with a user-facing UI and basic arithmetic operations; an Alarm Clock Application with alarm settings, time display, and a visual wake notification; and a CardFile Management System providing data models, services, UI for card management, and multi-format file operations for employee records. No major bugs documented in this period. These efforts collectively improve user productivity, enable robust data handling, and set the stage for scalable, cross-group development.
March 2026
6 Commits • 3 Features
Mar 1, 2026March 2026 (2026-03) monthly summary for timkin-vn/CSharpCollege: Delivered three core features across multiple groups, establishing a solid desktop-tooling foundation and data-management capabilities. Key features shipped include a WPF Calculator Application with a user-facing UI and basic arithmetic operations; an Alarm Clock Application with alarm settings, time display, and a visual wake notification; and a CardFile Management System providing data models, services, UI for card management, and multi-format file operations for employee records. No major bugs documented in this period. These efforts collectively improve user productivity, enable robust data handling, and set the stage for scalable, cross-group development.
February 2026
5 Commits • 3 Features
Feb 1, 2026February 2026: Delivered core productivity apps in CSharpCollege, including an Alarm Clock, a Drawing Application, and a Calculator, while also deprecating and removing the Alarm Clock feature to streamline the codebase. This period focused on user-centric time management, creative tooling, and reliable basic calculations, with a cleaner architecture and improved maintainability across the repo timkin-vn/CSharpCollege.
5 Commits • 3 Features
Feb 1, 2026February 2026: Delivered core productivity apps in CSharpCollege, including an Alarm Clock, a Drawing Application, and a Calculator, while also deprecating and removing the Alarm Clock feature to streamline the codebase. This period focused on user-centric time management, creative tooling, and reliable basic calculations, with a cleaner architecture and improved maintainability across the repo timkin-vn/CSharpCollege.
February 2026
December 2025
2 Commits • 1 Features
Dec 1, 2025December 2025: Delivered the foundational Client-Server 15-Puzzle Game Platform for timkin-vn/CSharpCollege. Implemented end-to-end architecture including game state management, user management, game services, and persistent storage via database integration. The work established scalable multi-group support across groups 23/1, 23/2, 23/3, and 24/1, creating a reusable platform for future game features and enhancements. The month focused on feature delivery and platform stabilization; no major bug fixes documented in this period.
December 2025
2 Commits • 1 Features
Dec 1, 2025December 2025: Delivered the foundational Client-Server 15-Puzzle Game Platform for timkin-vn/CSharpCollege. Implemented end-to-end architecture including game state management, user management, game services, and persistent storage via database integration. The work established scalable multi-group support across groups 23/1, 23/2, 23/3, and 24/1, creating a reusable platform for future game features and enhancements. The month focused on feature delivery and platform stabilization; no major bug fixes documented in this period.
November 2025
3 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Delivered a database-backed backend for a 15-puzzle game with user accounts and persistent game state. Implemented repository-pattern data access, a service layer for creating/retrieving/updating users and puzzle states, and wired dependency injection to support scalable real-world usage. This work enables reliable multi-user gameplay persistence, easier maintenance, and smoother deployment in production.
3 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Delivered a database-backed backend for a 15-puzzle game with user accounts and persistent game state. Implemented repository-pattern data access, a service layer for creating/retrieving/updating users and puzzle states, and wired dependency injection to support scalable real-world usage. This work enables reliable multi-user gameplay persistence, easier maintenance, and smoother deployment in production.
November 2025
October 2025
5 Commits • 2 Features
Oct 1, 2025Month: 2025-10 — timkin-vn/CSharpCollege. This month delivered foundational gameplay architecture and a modern web UI, enabling a playable prototype and improved user experience while setting the stage for rapid future feature expansion. Key deliverables: - Fifteen Game Core Engine and Gameplay Foundation: established project setup, data models, and core gameplay logic (shuffle, game over detection, restart prompt), enabling a playable prototype and future feature work. - Bootstrap UI Integration for Web Interface: integrated Bootstrap frontend libraries and bundles to support interactive UI components and modern styling, improving usability and responsiveness. Impact and value: - Business value: accelerates time-to-market for gameplay features and provides a solid web UI scaffold for cross-team collaboration across groups 23/1, 23/2, 23/3, and 24/1. - Technical achievements: clean separation of engine and UI concerns, data-driven core mechanics ready for extension, and scalable frontend scaffolding using Bootstrap. Technologies/skills demonstrated: - C# core engine design, data modeling, and gameplay logic (shuffle, win/lose, restart prompts) - Frontend integration with Bootstrap, responsive design, and interactive components - Version control discipline and cross-team collaboration with traceable commits (see achievements).
October 2025
5 Commits • 2 Features
Oct 1, 2025Month: 2025-10 — timkin-vn/CSharpCollege. This month delivered foundational gameplay architecture and a modern web UI, enabling a playable prototype and improved user experience while setting the stage for rapid future feature expansion. Key deliverables: - Fifteen Game Core Engine and Gameplay Foundation: established project setup, data models, and core gameplay logic (shuffle, game over detection, restart prompt), enabling a playable prototype and future feature work. - Bootstrap UI Integration for Web Interface: integrated Bootstrap frontend libraries and bundles to support interactive UI components and modern styling, improving usability and responsiveness. Impact and value: - Business value: accelerates time-to-market for gameplay features and provides a solid web UI scaffold for cross-team collaboration across groups 23/1, 23/2, 23/3, and 24/1. - Technical achievements: clean separation of engine and UI concerns, data-driven core mechanics ready for extension, and scalable frontend scaffolding using Bootstrap. Technologies/skills demonstrated: - C# core engine design, data modeling, and gameplay logic (shuffle, win/lose, restart prompts) - Frontend integration with Bootstrap, responsive design, and interactive components - Version control discipline and cross-team collaboration with traceable commits (see achievements).
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025: Delivered foundational architecture and early gameplay scaffolding for the Fifteen Game in WPF, establishing project scaffolding, core models, and initial board setup to enable future mechanics and UI. Completed GraphEditor improvements (color management, layer ordering, file I/O) and started FifteenGame project groundwork and WPF structure, setting the stage for parallel feature development and UI integration.
3 Commits • 2 Features
Sep 1, 2025September 2025: Delivered foundational architecture and early gameplay scaffolding for the Fifteen Game in WPF, establishing project scaffolding, core models, and initial board setup to enable future mechanics and UI. Completed GraphEditor improvements (color management, layer ordering, file I/O) and started FifteenGame project groundwork and WPF structure, setting the stage for parallel feature development and UI integration.
September 2025
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for timkin-vn/CSharpCollege: Delivered the Graphical Rectangle Editor - Initial Framework, establishing the interactive drawing foundation with a Windows Forms canvas, dedicated RectangleEditor UI, and core models/services to support rectangle creation, movement, and editing. This work provides the base for future features (resize, rotate, undo/redo) and accelerates UX improvements across graphics-related modules.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for timkin-vn/CSharpCollege: Delivered the Graphical Rectangle Editor - Initial Framework, establishing the interactive drawing foundation with a Windows Forms canvas, dedicated RectangleEditor UI, and core models/services to support rectangle creation, movement, and editing. This work provides the base for future features (resize, rotate, undo/redo) and accelerates UX improvements across graphics-related modules.
May 2025
7 Commits • 4 Features
May 1, 2025Month: 2025-05 — Performance review oriented monthly summary for timkin-vn/CSharpCollege. Delivered core features across four areas, with clear business value and solid technical execution. 1) Key features delivered - WPF Calculator Application: Established initial WPF calculator with project structure and calculator logic for digits, operations, and clear functionality. Commits included 1b1efcc5d5140ee2e8013f4095cf9db1ac225954 and d54918e4030e99bc1fea53a8dceda923d4520f78. - CardFile Employee Card Management System: Implemented a WPF app for managing employee records with CRUD operations, data models, business logic, and data access layers. Commits: c5dbbef1d3032b9325816dc845dfb6d93a978993 and 893b7dfb1a6ed7ea0d565d0d8a5a50a2f190d515. - CardFile Data Persistence Enhancements: Added multi-format data persistence (text, binary, XML, JSON) with export/import capabilities. Commits: 9d5a421e8906fbec670a9a73e8fafcef99726ae1 and 52733fa81b3228548175dd7778144dc486f8a940. - Delegates Educational Project: Created a new C# delegates educational project showcasing delegates, LINQ, and banking event notifications; solution and config prepared. Commit: ed7735f3f1458f2e5e4a45fe80c0eeda38d65661. 2) Major bugs fixed - No explicit major bugs documented in the provided data for this month; the focus was on feature delivery and enabling data persistence across formats. Minor stability improvements accompany data layer enhancements where applicable. 3) Overall impact and accomplishments - Built and delivered a cohesive set of tools for learning and productivity: a functional calculator, employee card management, portable data persistence, and an educational delegates project. These deliverables reduce time-to-value for student groups and provide reusable components for future extensions. - The CardFile persistence work enables data export/import and supports future integration with external systems or reporting. The Delegates project demonstrates modern C# features (delegates, LINQ) and event-driven patterns. 4) Technologies/skills demonstrated - C# and WPF UI development, MVVM-friendly architecture concepts, CRUD data modeling, data access layers, and multi-format persistence (text, binary, XML, JSON). - Advanced language features: delegates, LINQ, event-driven notifications, and solution/config management for multi-group projects. - Git-based collaboration and task traceability through commit history. Business value: Delivered modular, reusable components with clear extension points, enabling faster iteration for student projects and internal tooling. Enhanced data portability and reporting readiness through multi-format persistence, while showcasing modern C# practices and UI capabilities.
7 Commits • 4 Features
May 1, 2025Month: 2025-05 — Performance review oriented monthly summary for timkin-vn/CSharpCollege. Delivered core features across four areas, with clear business value and solid technical execution. 1) Key features delivered - WPF Calculator Application: Established initial WPF calculator with project structure and calculator logic for digits, operations, and clear functionality. Commits included 1b1efcc5d5140ee2e8013f4095cf9db1ac225954 and d54918e4030e99bc1fea53a8dceda923d4520f78. - CardFile Employee Card Management System: Implemented a WPF app for managing employee records with CRUD operations, data models, business logic, and data access layers. Commits: c5dbbef1d3032b9325816dc845dfb6d93a978993 and 893b7dfb1a6ed7ea0d565d0d8a5a50a2f190d515. - CardFile Data Persistence Enhancements: Added multi-format data persistence (text, binary, XML, JSON) with export/import capabilities. Commits: 9d5a421e8906fbec670a9a73e8fafcef99726ae1 and 52733fa81b3228548175dd7778144dc486f8a940. - Delegates Educational Project: Created a new C# delegates educational project showcasing delegates, LINQ, and banking event notifications; solution and config prepared. Commit: ed7735f3f1458f2e5e4a45fe80c0eeda38d65661. 2) Major bugs fixed - No explicit major bugs documented in the provided data for this month; the focus was on feature delivery and enabling data persistence across formats. Minor stability improvements accompany data layer enhancements where applicable. 3) Overall impact and accomplishments - Built and delivered a cohesive set of tools for learning and productivity: a functional calculator, employee card management, portable data persistence, and an educational delegates project. These deliverables reduce time-to-value for student groups and provide reusable components for future extensions. - The CardFile persistence work enables data export/import and supports future integration with external systems or reporting. The Delegates project demonstrates modern C# features (delegates, LINQ) and event-driven patterns. 4) Technologies/skills demonstrated - C# and WPF UI development, MVVM-friendly architecture concepts, CRUD data modeling, data access layers, and multi-format persistence (text, binary, XML, JSON). - Advanced language features: delegates, LINQ, event-driven notifications, and solution/config management for multi-group projects. - Git-based collaboration and task traceability through commit history. Business value: Delivered modular, reusable components with clear extension points, enabling faster iteration for student projects and internal tooling. Enhanced data portability and reporting readiness through multi-format persistence, while showcasing modern C# practices and UI capabilities.
May 2025
April 2025
15 Commits • 3 Features
Apr 1, 2025April 2025: Delivered a cohesive feature set for timkin-vn/CSharpCollege across Alarm Clock, Graphics/Drawing Framework, and Calculator sections, with an emphasis on UI-first delivery and scalable architecture to enable rapid future enhancements. Key outcomes include a functional Alarm Clock UI and core time display, a refactored graphics pipeline with PictureBuilder/Painter and scaling support, and a solid Calculator scaffold with clean BL/UI separation and improved state handling. The month established a modular foundation to accelerate subsequent feature work and improve maintainability for cross-team collaboration.
April 2025
15 Commits • 3 Features
Apr 1, 2025April 2025: Delivered a cohesive feature set for timkin-vn/CSharpCollege across Alarm Clock, Graphics/Drawing Framework, and Calculator sections, with an emphasis on UI-first delivery and scalable architecture to enable rapid future enhancements. Key outcomes include a functional Alarm Clock UI and core time display, a refactored graphics pipeline with PictureBuilder/Painter and scaling support, and a solid Calculator scaffold with clean BL/UI separation and improved state handling. The month established a modular foundation to accelerate subsequent feature work and improve maintainability for cross-team collaboration.
March 2025
8 Commits • 4 Features
Mar 1, 20252025-03 monthly summary for timkin-vn/CSharpCollege focused on feature delivery and architectural improvements across the codebase, with emphasis on UI integration, robust data access, and educational starter projects.
8 Commits • 4 Features
Mar 1, 20252025-03 monthly summary for timkin-vn/CSharpCollege focused on feature delivery and architectural improvements across the codebase, with emphasis on UI integration, robust data access, and educational starter projects.
March 2025
February 2025
3 Commits • 1 Features
Feb 1, 2025February 2025: Delivered an end-to-end Fifteen Puzzle platform in timkin-vn/CSharpCollege, pairing a web frontend foundation (ASP.NET MVC) with backend services for game and user management and PostgreSQL persistence. Implemented a DTO-based data access layer and integrated a WPF UI to support cross-platform interactions, enabling players to play, manage accounts, and save game states.
February 2025
3 Commits • 1 Features
Feb 1, 2025February 2025: Delivered an end-to-end Fifteen Puzzle platform in timkin-vn/CSharpCollege, pairing a web frontend foundation (ASP.NET MVC) with backend services for game and user management and PostgreSQL persistence. Implemented a DTO-based data access layer and integrated a WPF UI to support cross-platform interactions, enabling players to play, manage accounts, and save game states.
January 2025
5 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for timkin-vn/CSharpCollege: Delivered core features across desktop editor and web UI with a focus on value delivery and maintainability. Key achievements include Graphical Editor core functionality with UI and save/export, Fifteen Puzzle core logic and UI, and Bootstrap UI integration. Refactoring and targeted bug fixes improved stability and code quality, enabling faster demos and cross-platform readiness.
5 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for timkin-vn/CSharpCollege: Delivered core features across desktop editor and web UI with a focus on value delivery and maintainability. Key achievements include Graphical Editor core functionality with UI and save/export, Fifteen Puzzle core logic and UI, and Bootstrap UI integration. Refactoring and targeted bug fixes improved stability and code quality, enabling faster demos and cross-platform readiness.
January 2025
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024 — Delivered Card File: Multi-format File Persistence and AutoMapper Integration for timkin-vn/CSharpCollege. Implemented multi-format persistence with new file saver implementations, enabling save/load across text, binary, XML, JSON, and ZIP formats, and integrated AutoMapper-based mappings to streamline data transfer across UI, business, and data layers. These changes enhance data portability, reduce boilerplate, and support group-specific needs for groups 22 and 23. Relevant commits: 279e5e2c7d209ff804609a7b4c2d00fe03decda7; 58dd504a30d0a310f4af8c95c884edb62aa4f9ad.
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024 — Delivered Card File: Multi-format File Persistence and AutoMapper Integration for timkin-vn/CSharpCollege. Implemented multi-format persistence with new file saver implementations, enabling save/load across text, binary, XML, JSON, and ZIP formats, and integrated AutoMapper-based mappings to streamline data transfer across UI, business, and data layers. These changes enhance data portability, reduce boilerplate, and support group-specific needs for groups 22 and 23. Relevant commits: 279e5e2c7d209ff804609a7b4c2d00fe03decda7; 58dd504a30d0a310f4af8c95c884edb62aa4f9ad.
November 2024
8 Commits • 3 Features
Nov 1, 2024November 2024 — Delivered foundational cross-platform UI and business logic scaffolding across Windows Forms and WPF for timkin-vn/CSharpCollege. Three primary features completed: Graphics Drawing App (Windows Forms) establishing solution structure and a basic drawing form; Calculator Application Suite (Windows Forms and WPF) with separated business logic and UI projects, delivering base calculator functionality and cross-project parity; Card File Management System (WPF) with a UI, data access and business logic layers, CRUD operations, and file persistence. This work lays the groundwork for scalable feature development, improves onboarding, and demonstrates solid C#/.NET proficiency and architecture discipline across multiple frameworks.
8 Commits • 3 Features
Nov 1, 2024November 2024 — Delivered foundational cross-platform UI and business logic scaffolding across Windows Forms and WPF for timkin-vn/CSharpCollege. Three primary features completed: Graphics Drawing App (Windows Forms) establishing solution structure and a basic drawing form; Calculator Application Suite (Windows Forms and WPF) with separated business logic and UI projects, delivering base calculator functionality and cross-project parity; Card File Management System (WPF) with a UI, data access and business logic layers, CRUD operations, and file persistence. This work lays the groundwork for scalable feature development, improves onboarding, and demonstrates solid C#/.NET proficiency and architecture discipline across multiple frameworks.
November 2024
Activity
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Quality Metrics
Correctness85.4%
Maintainability82.8%
Architecture83.0%
Performance80.6%
AI Usage21.4%
Skills & Technologies
Programming Languages
C#CSSHTMLJavaScriptXAMLXML
Technical Skills
.NET Framework.NET FrameworkAPI developmentASP.NETASP.NET MVCArray ManipulationAutoMapperBackend DevelopmentBasic ArithmeticBasic C# ProgrammingBasic Input/OutputBootstrapBusiness LogicBusiness Logic LayerC#
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline