Selleo/lms-core
Nov 2024 – Dec 2025
6 Months active
Languages Used
CSSJavaScriptMarkdownSQLShellTypeScriptYAMLHTML
Technical Skills
API DevelopmentAPI IntegrationAPI TestingAuthenticationBackend DevelopmentCI/CD
Jakub Wilk
PROFILE
Jakub Wilk
Over six months, contributed to Selleo/lms-core by delivering 29 features and resolving 19 bugs, focusing on robust backend and frontend development. Built end-to-end SCORM support, enhanced authentication flows, and introduced analytics such as learning time statistics for course admins. Improved user experience with features like autoplay video lessons, live form validation, and internationalization scaffolding. Refactored CI/CD pipelines and test infrastructure for reliability, leveraging technologies including React, NestJS, PostgreSQL, and TypeScript. Emphasized code quality through ESLint, Prettier, and automated testing. The work addressed both technical depth and usability, resulting in a more stable, maintainable, and user-friendly learning platform.
Overall Statistics
Feature vs Bugs
60%Features
Repository Contributions
76Total
Bugs
19
Commits
76
Features
29
Lines of code
49,229
Activity Months6
Your Network
15 peopleSame Organization
@selleo.com4
Work History
December 2025
3 Commits • 3 Features
Dec 1, 2025December 2025 was marked by delivering three high-impact features in Selleo/lms-core, strengthening admin analytics, learner engagement, and CI/CD reliability. The team introduced Learning Time Statistics for Courses, Autoplay Video Lessons, and CI/CD and Testing Infrastructure Enhancements, while there were no major bug fixes recorded for this period. These efforts contributed to better data-driven decision making, smoother learning experiences, and faster, more stable releases.
3 Commits • 3 Features
Dec 1, 2025December 2025 was marked by delivering three high-impact features in Selleo/lms-core, strengthening admin analytics, learner engagement, and CI/CD reliability. The team introduced Learning Time Statistics for Courses, Autoplay Video Lessons, and CI/CD and Testing Infrastructure Enhancements, while there were no major bug fixes recorded for this period. These efforts contributed to better data-driven decision making, smoother learning experiences, and faster, more stable releases.
December 2025
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 — Selleo/lms-core: Focused on improving lesson creation UX and data integrity through form validation and live feedback. Key feature delivered: NewLesson Form enforces a 3000-character limit on the description with a live character count. Validation is integrated into the form schema and the UI provides real-time feedback. Commit: ea4c6afcc0a737c68d6dd7966f218ae389342e11 (#427). Major bugs fixed: none recorded this month. Impact: reduces invalid/overly long descriptions, improves data quality and user guidance; increases efficiency in creating lessons. Technologies: frontend validation, schema-driven validation, real-time UI feedback, JavaScript/TypeScript, commit-driven development.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 — Selleo/lms-core: Focused on improving lesson creation UX and data integrity through form validation and live feedback. Key feature delivered: NewLesson Form enforces a 3000-character limit on the description with a live character count. Validation is integrated into the form schema and the UI provides real-time feedback. Commit: ea4c6afcc0a737c68d6dd7966f218ae389342e11 (#427). Major bugs fixed: none recorded this month. Impact: reduces invalid/overly long descriptions, improves data quality and user guidance; increases efficiency in creating lessons. Technologies: frontend validation, schema-driven validation, real-time UI feedback, JavaScript/TypeScript, commit-driven development.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 – Selleo/lms-core: Key features delivered and issues resolved to boost security, stability, and developer experience. Implemented User Authentication and Session Management Enhancements, including forgot-password endpoint integration, improved logout by invalidating current user queries and clearing application cache, and refactored global providers and the client entry to streamline initialization and React Query Devtools handling. Fixed known app issues (#418) to reduce user impact and support requests. Impact: stronger authentication flow, faster app initialization, improved session reliability, and better observability for development. Technologies/skills demonstrated: React, React Query, authentication patterns, cache invalidation, code refactoring, and Devtools integration.
1 Commits • 1 Features
Feb 1, 2025February 2025 – Selleo/lms-core: Key features delivered and issues resolved to boost security, stability, and developer experience. Implemented User Authentication and Session Management Enhancements, including forgot-password endpoint integration, improved logout by invalidating current user queries and clearing application cache, and refactored global providers and the client entry to streamline initialization and React Query Devtools handling. Fixed known app issues (#418) to reduce user impact and support requests. Impact: stronger authentication flow, faster app initialization, improved session reliability, and better observability for development. Technologies/skills demonstrated: React, React Query, authentication patterns, cache invalidation, code refactoring, and Devtools integration.
February 2025
January 2025
24 Commits • 6 Features
Jan 1, 2025January 2025 (2025-01) — Delivered core content delivery enhancements, localization groundwork, and robust infra improvements for faster shipping and higher reliability. Implemented external content handling in lessons, established i18n scaffolding, refactored API and test infra for cleaner, CI-ready workflows, and strengthened server debugging and E2E tooling to boost release confidence and business value.
January 2025
24 Commits • 6 Features
Jan 1, 2025January 2025 (2025-01) — Delivered core content delivery enhancements, localization groundwork, and robust infra improvements for faster shipping and higher reliability. Implemented external content handling in lessons, established i18n scaffolding, refactored API and test infra for cleaner, CI-ready workflows, and strengthened server debugging and E2E tooling to boost release confidence and business value.
December 2024
16 Commits • 4 Features
Dec 1, 2024December 2024 — Selleo/lms-core: Delivered end-to-end SCORM support, media-enabled lessons, and UX-driven course navigation; stabilized CI/test workflows with Playwright improvements and critical selector fixes. Enhanced metadata handling and API schema alignment to improve interoperability, reduce publish-friction, and enable richer learner experiences.
16 Commits • 4 Features
Dec 1, 2024December 2024 — Selleo/lms-core: Delivered end-to-end SCORM support, media-enabled lessons, and UX-driven course navigation; stabilized CI/test workflows with Playwright improvements and critical selector fixes. Enhanced metadata handling and API schema alignment to improve interoperability, reduce publish-friction, and enable richer learner experiences.
December 2024
November 2024
31 Commits • 14 Features
Nov 1, 2024November 2024 monthly summary for Selleo/lms-core. Delivered a mix of reliability fixes, UI polish, analytics enhancements, and automation improvements that drive better user experience, admin capabilities, and data-driven decisions.
November 2024
31 Commits • 14 Features
Nov 1, 2024November 2024 monthly summary for Selleo/lms-core. Delivered a mix of reliability fixes, UI polish, analytics enhancements, and automation improvements that drive better user experience, admin capabilities, and data-driven decisions.
Activity
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Quality Metrics
Correctness89.2%
Maintainability87.0%
Architecture82.0%
Performance81.2%
AI Usage22.0%
Skills & Technologies
Programming Languages
CSSHTMLJavaScriptMarkdownSQLShellTypeScriptYAMLbashtsx
Technical Skills
API DevelopmentAPI IntegrationAPI TestingAPI developmentAWS S3Admin Panel DevelopmentAuthenticationBackend DevelopmentBackend developmentCI/CDCI/CD ConfigurationCQRSCSSCloud Storage (S3)Code Cleanup
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