Coursemology/coursemology2
Nov 2024 – Apr 2025
6 Months active
Languages Used
JBuilderJavaScriptRubySQLTypeScriptYAMLCSSHTML
Technical Skills
API DevelopmentAPI IntegrationAsynchronous OperationsBackend DevelopmentBackground JobsCSV Generation
Bivan Alzacky Harmanto
PROFILE
Bivan Alzacky Harmanto
Over six months, contributed to Coursemology2 by delivering 20 features and resolving 9 bugs, focusing on assessment systems, live feedback chat, and rubric-based grading. Work included end-to-end API development and integration, backend enhancements in Ruby on Rails, and frontend improvements using React and TypeScript. Implemented database migrations and optimizations to support persistent chat, grading workflows, and analytics, while refining UI/UX with technologies like Tailwind CSS and TanStackTable. Addressed operational reliability through asynchronous job processing, validation, and CI/CD upgrades. This engineering approach emphasized maintainability, test coverage, and cross-stack proficiency, resulting in improved user experience and scalable instructor tooling.
Overall Statistics
Feature vs Bugs
69%Features
Repository Contributions
66Total
Bugs
9
Commits
66
Features
20
Lines of code
12,093
Activity Months6
Your Network
7 peopleShared Repositories
7
adi-herwana-nusMember
craigtonlianMember
Cuong PhungMember
jonMember
Jing Hui PANG (彭竞辉)Member
JonaspngMember
Nguyen Cao DuyMember
Work History
April 2025
8 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for Coursemology2: Delivered end-to-end Rubric-Based Grading System for Assessments, including migrations to support rubric responses, new RubricBasedResponse question type, API support, backend MVC, and visibility controls. Fixed UI rendering stability issues (programming answers rendering when empty) and corrected TanStackTable alignment for proper initial column handling. These efforts enable scalable rubric-based grading workflows, improve grading accuracy and instructor/student experience, and demonstrate strong capabilities in database migrations, API/backend MVC development, and frontend rendering with TanStackTable.
8 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for Coursemology2: Delivered end-to-end Rubric-Based Grading System for Assessments, including migrations to support rubric responses, new RubricBasedResponse question type, API support, backend MVC, and visibility controls. Fixed UI rendering stability issues (programming answers rendering when empty) and corrected TanStackTable alignment for proper initial column handling. These efforts enable scalable rubric-based grading workflows, improve grading accuracy and instructor/student experience, and demonstrate strong capabilities in database migrations, API/backend MVC development, and frontend rendering with TanStackTable.
April 2025
March 2025
12 Commits • 3 Features
Mar 1, 2025March 2025 performance summary for Coursemology2 focused on strengthening user support UX, improving analytics performance, and stabilizing UI workflows. Key feature deliveries include Get Help / Live Feedback UI enhancements, a data model migration for live feedback statistics with performance optimizations, and UI refinements for text response attachments, along with a bug fix to ensure reliable deletion of test cases.
March 2025
12 Commits • 3 Features
Mar 1, 2025March 2025 performance summary for Coursemology2 focused on strengthening user support UX, improving analytics performance, and stabilizing UI workflows. Key feature deliveries include Get Help / Live Feedback UI enhancements, a data model migration for live feedback statistics with performance optimizations, and UI refinements for text response attachments, along with a bug fix to ensure reliable deletion of test cases.
February 2025
8 Commits • 2 Features
Feb 1, 2025February 2025 summary for Coursemology/coursemology2: Delivered a robust Live Feedback Chat System with end-to-end chat, persistent storage, history retrieval, and updated staff permissions, alongside a database migration to support chat data and the storage of suggestion options. Fixed Codaveri integration pathnames and ensured the first incoming message displays at the top, improving the reliability of feedback displays. Strengthened course assessments with frontend validation requiring at least two attachments when multiple attachments are enabled. Added test coverage for live feedback flows to ensure future stability. These efforts improve student-teacher feedback cycles, data reliability, and instructor tooling, driving better engagement analytics and operational efficiency.
8 Commits • 2 Features
Feb 1, 2025February 2025 summary for Coursemology/coursemology2: Delivered a robust Live Feedback Chat System with end-to-end chat, persistent storage, history retrieval, and updated staff permissions, alongside a database migration to support chat data and the storage of suggestion options. Fixed Codaveri integration pathnames and ensured the first incoming message displays at the top, improving the reliability of feedback displays. Strengthened course assessments with frontend validation requiring at least two attachments when multiple attachments are enabled. Added test coverage for live feedback flows to ensure future stability. These efforts improve student-teacher feedback cycles, data reliability, and instructor tooling, driving better engagement analytics and operational efficiency.
February 2025
January 2025
6 Commits • 4 Features
Jan 1, 2025Month 2025-01: Consolidated stability and UX improvements in Coursemology2, delivering root-folder handling fixes, enhanced test-case resource processing, UI reorderable test cases, Markdown-enabled Get Help messages, and CI environment upgrades to Node.js v22. These changes reduce operational friction, improve test reliability, and accelerate development workflows.
January 2025
6 Commits • 4 Features
Jan 1, 2025Month 2025-01: Consolidated stability and UX improvements in Coursemology2, delivering root-folder handling fixes, enhanced test-case resource processing, UI reorderable test cases, Markdown-enabled Get Help messages, and CI environment upgrades to Node.js v22. These changes reduce operational friction, improve test reliability, and accelerate development workflows.
December 2024
16 Commits • 5 Features
Dec 1, 2024December 2024: Delivered a comprehensive feature set for Coursemology2 focused on real-time collaboration, evaluation reliability, and admin flexibility. Key impact includes a multi-file, multi-turn Live Chat and Feedback System; Java support and standardized versioning for Codaveri problems; a robust Soft Delete workflow with background processing and user notifications; auto-grading performance improvements via job prioritization; and per-question admin workflows enabling granular actions. Also improved CI reliability with targeted test stability work.
16 Commits • 5 Features
Dec 1, 2024December 2024: Delivered a comprehensive feature set for Coursemology2 focused on real-time collaboration, evaluation reliability, and admin flexibility. Key impact includes a multi-file, multi-turn Live Chat and Feedback System; Java support and standardized versioning for Codaveri problems; a robust Soft Delete workflow with background processing and user notifications; auto-grading performance improvements via job prioritization; and per-question admin workflows enabling granular actions. Also improved CI reliability with targeted test stability work.
December 2024
November 2024
16 Commits • 5 Features
Nov 1, 2024Nov 2024 monthly summary for Coursemology2 focusing on delivering high-value features, stabilizing core flows, and reducing maintenance burden. Key features shipped include Codaveri integration enhancements with on-demand duplication, status preservation, Codaveri v2.1 upgrade, and expanded problem-generation tests; CSV export for assessment scores with backend and frontend flow plus asynchronous processing and tests; post sign-in intelligent redirects to the last viewed course or Dashboard with test alignment; dynamic browser window title updates for better context; and course invitation enhancements including email-based invitations, parsing improvements, malformed-email flags, and Tailwind migration. Major maintenance work included enfor-cing validation for enrolment request destruction, deprecating the virtual classroom feature, rich text rendering fixes, and cleanup of the draft programming answer feature, with corresponding test updates. These efforts improved data accessibility, user flow, and system reliability while advancing testing coverage and modernization across the stack.
November 2024
16 Commits • 5 Features
Nov 1, 2024Nov 2024 monthly summary for Coursemology2 focusing on delivering high-value features, stabilizing core flows, and reducing maintenance burden. Key features shipped include Codaveri integration enhancements with on-demand duplication, status preservation, Codaveri v2.1 upgrade, and expanded problem-generation tests; CSV export for assessment scores with backend and frontend flow plus asynchronous processing and tests; post sign-in intelligent redirects to the last viewed course or Dashboard with test alignment; dynamic browser window title updates for better context; and course invitation enhancements including email-based invitations, parsing improvements, malformed-email flags, and Tailwind migration. Major maintenance work included enfor-cing validation for enrolment request destruction, deprecating the virtual classroom feature, rich text rendering fixes, and cleanup of the draft programming answer feature, with corresponding test updates. These efforts improved data accessibility, user flow, and system reliability while advancing testing coverage and modernization across the stack.
Activity
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Quality Metrics
Correctness88.8%
Maintainability87.4%
Architecture84.8%
Performance80.6%
AI Usage21.0%
Skills & Technologies
Programming Languages
CSSHTMLJBuilderJSONJavaJavaScriptRubySQLTypeScriptYAML
Technical Skills
API DevelopmentAPI IntegrationAPI RefactoringAssessment SystemsAsynchronous OperationsAuthorizationBackend DevelopmentBackground JobsCI/CDCSV GenerationCSV HandlingCapybaraCode RefactoringComponent DesignComponent Refactoring
Repositories Contributed To
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