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Hajir

PROFILE

Hajir

Over four months, contributed to nova-omnia/lernello by building AI-driven learning unit generation, multilingual content support, and robust backend services. Focused on integrating AI block services and prompt engineering to automate content creation, while refactoring APIs and DTOs for maintainability and clarity. Enhanced the user experience through UI/UX improvements and internationalization, supporting German, English, French, and Italian. Applied Java, Spring Boot, and Svelte to deliver scalable REST APIs, modular UI components, and reliable data models. Emphasized code quality with encapsulation, validation, and comprehensive testing, resulting in a maintainable, extensible platform for authoring and managing learning content.

Overall Statistics

Feature vs Bugs

66%Features

Repository Contributions

226Total
Bugs
37
Commits
226
Features
72
Lines of code
21,161
Activity Months4

Work History

June 2025

4 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for nova-omnia/lernello focusing on code quality improvements, UI consistency, and multilingual support; achieved encapsulation refactor, UI polish, and localization expansion with Lob-backed content to support German/English/French/Italian.

May 2025

105 Commits • 28 Features

May 1, 2025

May 2025 performance highlights for nova-omnia/lernello: delivered end-to-end AI-driven learning unit generation, expanded AI block services, and advanced multilingual support. Achieved measurable business value through scalable content generation, robust localization, and improved UX. Emphasis on reliability, maintainability, and clean architecture through multiple refactors and dependency cleanups.

April 2025

91 Commits • 34 Features

Apr 1, 2025

April 2025 – Nova-omnia/lernello delivered AI-driven theory block capabilities, modernized UI, and a cleaned API surface, driving faster content creation and global-ready UX. Key features shipped include TheoryBlock introduction with updated Carta integration; AI Theory Block Core Engine with endpoints and multi-file content generation; AITheoryBlock UI (MultiSelect, topic input) with i18n; API/DTO refactors removing legacy learningUnitId; and data handling improvements including PDF text extraction. Major bugs fixed included language display fallback issue, removal of unused TheoryBlock code and API surface, and data loading/UI bugs (e.g., include allFiles, MultiSelect case sensitivity). Overall impact: increased authoring velocity, more reliable AI-generated content, reduced technical debt, and a stronger foundation for future AI-enabled blocks. Technologies/skills demonstrated: AI/ML integration (GPT-4o), REST services, DTO/mappers, internationalization, UUID-based data models, PDFBox, and stateful UI patterns in Svelte."

March 2025

26 Commits • 8 Features

Mar 1, 2025

March 2025 delivered core Lernello Learning Domain capabilities with Folder/Instructor interactions via LearningKit and LearningUnit, including DTOs, mappers, repositories, services, and controller scaffolding. Built Lombok-based boilerplate reduction, cleaned up documentation and code structure, and implemented robust validation and unit tests. Refactors aligned persistence with Jakarta standards, enhanced authentication DTOs, and tightened security-related validations. Incremental but impactful improvements across blocks (Block/TheoryBlock) and ongoing code quality enhancements.

Activity

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Quality Metrics

Correctness90.8%
Maintainability91.8%
Architecture87.2%
Performance87.8%
AI Usage26.8%

Skills & Technologies

Programming Languages

CSSGradleHTMLJSONJavaJavaScriptKotlinSQLSvelteTypeScript

Technical Skills

AI IntegrationAI Prompt EngineeringAPI DesignAPI DevelopmentAPI IntegrationAPI RemovalAPI SecurityAssertJAsynchronous ProgrammingBackend DevelopmentBackend developmentBuild ConfigurationBuild Script ManagementCSSCache Invalidation

Repositories Contributed To

1 repo

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

nova-omnia/lernello

Mar 2025 Jun 2025
4 Months active

Languages Used

GradleJavaJavaScriptKotlinTypeScriptXMLYAMLCSS

Technical Skills

API DevelopmentAPI IntegrationAPI RemovalAssertJBackend DevelopmentBuild Configuration