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freniecki

PROFILE

Freniecki

Yehor Kovalenko developed a robust user management and authentication system for the EmergencyProject repository, focusing on secure onboarding, role-based access, and seamless frontend-backend integration. He implemented JWT-based authentication with http-only cookies, refresh tokens, and extended token payloads to support scalable access control. Using Java, Spring Boot, and Vue.js, Yehor designed a component-based architecture with DTO-driven data flows, secure password handling, and multilingual support. His work included database schema alignment, admin role integration, and comprehensive test data seeding, resulting in a maintainable, secure foundation for user registration and authorization. The engineering demonstrated depth in both backend and frontend domains.

Overall Statistics

Feature vs Bugs

77%Features

Repository Contributions

70Total
Bugs
7
Commits
70
Features
24
Lines of code
3,132
Activity Months2

Work History

January 2025

64 Commits • 22 Features

Jan 1, 2025

January 2025: Delivered end-to-end authentication and admin capabilities, strengthened data integrity, and completed frontend-backend integration to enable secure, scalable user management and role-based access across the EmergencyProject suite. Key deliverables include JWT-based authentication with http-only cookies and refresh tokens; extended token payload (userId, role) and login responses; Admin role integration and unified package structure; database naming alignment and ID baseline adjustments; enhanced API data access and query helpers; public volunteer registration endpoint; robust test data seeding and data integrity checks; frontend routing and UI for authentication with localStorage context and role-based paths; logging and multilingual support; and conflict resolution with merge cleanups.

December 2024

6 Commits • 2 Features

Dec 1, 2024

December 2024 performance summary for Yehor-Kovalenko/EmergencyProject. Focused on establishing a scalable user management foundation and secure onboarding flow to accelerate product readiness and user adoption.

Activity

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Quality Metrics

Correctness85.4%
Maintainability87.2%
Architecture82.0%
Performance83.4%
AI Usage20.6%

Skills & Technologies

Programming Languages

CSSHTMLJavaJavaScriptSQLVueVue.js

Technical Skills

API DevelopmentAPI IntegrationAPI SecurityAccess ControlAuthenticationAuthorizationAxios ConfigurationBackend DevelopmentComponent-Based ArchitectureDTO DesignData Transfer Objects (DTOs)Database DesignDatabase InitializationDatabase ManagementEntity Development

Repositories Contributed To

2 repos

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

Yehor-Kovalenko/EmergencyProject

Dec 2024 Jan 2025
2 Months active

Languages Used

JavaSQL

Technical Skills

Backend DevelopmentData Transfer Objects (DTOs)Database DesignEntity DevelopmentJPAJPA/Hibernate

Yehor-Kovalenko/EmergencyProjekt_frontend

Jan 2025 Jan 2025
1 Month active

Languages Used

CSSHTMLJavaScriptVueVue.js

Technical Skills

API IntegrationAccess ControlAxios ConfigurationComponent-Based ArchitectureForm HandlingFront End Development

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